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WO1982002371A1 - Bouteilles avec poignees attachees et procede de formation - Google Patents

Bouteilles avec poignees attachees et procede de formation Download PDF

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Publication number
WO1982002371A1
WO1982002371A1 PCT/US1981/000058 US8100058W WO8202371A1 WO 1982002371 A1 WO1982002371 A1 WO 1982002371A1 US 8100058 W US8100058 W US 8100058W WO 8202371 A1 WO8202371 A1 WO 8202371A1
Authority
WO
WIPO (PCT)
Prior art keywords
bottle
handle
leg
neck portion
sidewall
Prior art date
Application number
PCT/US1981/000058
Other languages
English (en)
Inventor
Mortimer Stafford Thompson
Original Assignee
Mortimer Stafford Thompson
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mortimer Stafford Thompson filed Critical Mortimer Stafford Thompson
Priority to PCT/US1981/000058 priority Critical patent/WO1982002371A1/fr
Priority to AU72224/81A priority patent/AU7222481A/en
Priority to EP19810901413 priority patent/EP0069732A1/fr
Publication of WO1982002371A1 publication Critical patent/WO1982002371A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D23/00—Details of bottles or jars not otherwise provided for
    • B65D23/10—Handles
    • B65D23/104—Handles formed separately
    • B65D23/106—Handles formed separately the gripping region of the handle extending between the neck and the base of the bottle or jar and being located in a radial plane comprising the axis of the bottle or jar

Definitions

  • This invention relates to bottles having attached handles and to a method of forming and assembling such bottles and handles, and particularly to biaxially oriented plastic bottles having attached carrying, lifting and pouring handles.
  • an extruder forms large diameter preforms, hollow tubes known as parisons, and the parisons are positioned within blow molds having the desired final shape of the bottles.
  • a portion of the parison is pinched off to form a handle shape and the pinched parison is blown to its final bottle dimensions with a hollow handle and an interconnecting web. Thereafter, the web is removed to provide a handle for gripping, lifting, carrying, and pouring.
  • the pinched, blown hollow handle can provide ease in carrying, lifting and pouring, or simply ease in carrying and lifting.
  • a pouring handle moreover, the need to grip the side walls of the container is eliminated. This can result in lighter weight bottles at lower ccsts.
  • hollow handles generally are precluded from use in refillable containers, such as may be found in dairy uses. Cleaning and rinsing the interior of such handles is virtually impossible.
  • Still another limitation is that the relatively high fusion temperatures required to form the pinched off hollow handles cannot be used to form handles in the newer stretch blow molding process for forming plastic bottles.
  • This process differs from the hollow handle blow molding process in that the parison is first stretched and then blown while at temperatures which are much lower than the fusion temperatures, typically within the 100°F (ca, 40°C) range above T g (the temperature at which the plastic material passes from the glass phase to the rubber phase).
  • This procedure which is known as stretch blow molding, or orientation blow molding, is not only replacing earlier blow molding techniques, but is opening up new markets. Advantages of the new procedures are related to the biaxial orientation of the polymeric material.
  • the parison While the parison is at a temperature insufficient to permit free plastic flow it is expanded biaxially to conform with the blow mold.
  • the temperature of operation typically within the 100°F (ca. 40°C) range immediately above T g is such that expansion introduces true strain into the material, and this strain is translated into a definable polymer orientation which results in a number of attributes.
  • Alignment of polymer molecules results in increased tensile strength, as well as increased clarity, increased impact strength, and reduced creep.
  • a vast market for carbonated soft drink containers is a direct result of significantly improved gas barrier properties.
  • Suitable container materials for stretch-blow molding are substituted and unsubstituted thermoplastic hydrocarbons. Commonly used materials at this time include acrylonitrile, polyvinyl chloride, polyethylene terephthalate, and polypropylene. This newer procedure also is know. See Modern Plastics Encyclopedia, Vol. 54, No. 10A, 1977-1978, McGraw-Hill Publishing Co, (e.g., section on "Stretch-Blow Molding" at page 233 et seq.) The problem with producing plastic containers with handles using the stretch blow processes results from the nature of the process and condition of the plastic at the time it is biaxially oriented.
  • the handle of the invention is generally L-shaped and is positioned to lie substantially within the breadth of the bottle.
  • One leg of the handle coacts with and is affixed to the neck of the bottle and the other leg coacts with the middle or upper portion of the bottle.
  • the one leg is generally horizontal and can be snapped on or otherwise affixed to the neck of the bottle.
  • the other leg is generally vertical.
  • the ge ⁇ erally vertical leg is attached to the side wall of the bottle by interlocking, bonding, welding, adhesive or other means.
  • the handle is under tension so that the generally vertical leg is maintained in engagement with the sidewall of the bottle during gripping, lefting, carrying and pouring.
  • the handle can include means which allow flexing for attachment to the bottle and to accommodate dimensional changes when the portion of the bottle adjacent the handle is under internal pressure.
  • the flexing means can include slots or grooves extending across the generally horizontal leg of the handle.
  • the bottle and handle can be formed wit means, such as an engaging notch and tooth, for properly aligning the handle on the bottle.
  • means such as an engaging notch and tooth
  • the aligned handle and bottle then can be attached by any one of the several means of the invention.
  • the attached handle facilitates lifting and carrying of, and pouring from, the bottle.
  • the attachable handles of present invention are made from materials whcih provide desired handle properties, such as stiffness and which minimize cost, including polystyrene, high density polyethylene, polypropylene, polyethlenetsrephthalate and lower cost, reclaimed lots of such materials. They can be made from the same or dissimilar materials than the bottles to which they are attached.
  • the present invention moreover, maximiz.es potential for light-weighting of plastic bottles because its attachable handle obviates the need for pinch-offs, large diameter parisons, and extra thicknesses for gripping.
  • the handle of the invention does not reuire any significant additional space and can be filled, packaged and stored without requiring extra handling.
  • the handle is a space saver and can be filled, packaged, displayed and stored without difficulty.
  • FIGURE 1 is a side elevational view, partly in section, of a biaxially oriented pressurized bottle and an attachable handle of the invention
  • FIGURE 2 is another side elevational view, in section, of the bottle and handle with the handle attache to the bottle;
  • FIGURE 3 is an enlarged detailed view showing the interlocking means between the vertical leg of the handle and the bottle;
  • FIGURE 4 is an end view of the bottle and attached handle of Figure 2;
  • FIGURE 5 is a sectional view of the vertical leg of the handle, taken along lines 5-5, of Figure 4.
  • FIGURE 6 is a plan view of the bottle shown in Figure 1;
  • FIGURE 7 is a sectional view of the horizontal leg of the handle, taken along the lines 7-7, of Figure 1;
  • FIGURE 8A is a side elevational view, partly in section, of an embodiment of a bottle and an attachable, tension handle of the invention;
  • FIGURE 8B is another side elevational view of the bottle and handle of Figure 8A with the handle under tension and attached to the bottle;
  • FIGURE 8C is a plan view of Figure 8A
  • FIGURE 8D is a plan view of Figure 8B
  • FIGURE 9A is a side elevational view, partly in section, of another embodiment of a bottle and attachable tension handle of the invention
  • FIGURE 9B is a side elevational view of the bottle and handle of Figure 9A with the handle under tension and attached to the bottle;
  • FIGURE 9C is a plan view of the handle shown in Figure 9A;
  • FIGURE 10A is a side elevational view, partly in section of a further embodiment of a bottle and attachable tension handle of the invention.
  • FIGURE 10B is a side elevation view of the bottle and handle of Figure 10A with the handle under tension and attached to the bottle:
  • FIGURE 10C is a plan view of the handle of Figure 10A;
  • FIGURE 11A is a side elevational view, partly in section, of still another embodiment of a bottle and attachable tension handle of the invention.
  • FIGURE 11B is a side elevational view of the bottle and handle of Figure 11A with the handle under tension and attached to the bottle;
  • FIGURE 11C is a plan view of the handle of
  • FIGURE 12A is a side elevational view, partly in section, of another embodiment of a bottle and attachable tension handle of the invention
  • FIGURE 12B is a side elevational view of the bottle and handle of Figure 12A with the handle under tension and attached to the bottle;
  • FIGURE 12C is a plan view of the bottle and handle of Figure 12A;
  • FIGURE 13A is a side elevational view, partly in section, of a bottle and attachable compression handle of the invention;
  • FIGURE 13B is a side elevational view of the bottle and handle of Figure 13A with the handle under compression and attached to the bottle.
  • FIGURE 13C is a plan view, partly in section, taken along the lines 13C-13C of Figure 13A with a furthe separation of the handle and bottle;
  • FIGURE 14A is a side elevational view, in section, of another embodiment of the bottle and the attached handle with a different attachment means and with a captive closure;
  • FIGURE 14B is a plan view of Figure 14A
  • FIGURE 14C is an enlarged detailed sectional vie of the attaching means between the vertical leg of the handle shown in Figure 14A and the bottle;
  • FIGURE 14D is a plan section view taken along the lines 14D-14D of Figure 14C;
  • FIGURE 15A is an end elevational view of another embodiment of the attaching means of the invention between the vertical leg of the handle and the bottle;
  • FIGURE 15B is a longitudinal sectional view, taken along the lines 15B-15-B, of Figure 15A;
  • FIGURE 15C is a plan sectional view, taken along the lines 15C-15C, of Figure. 15B;
  • FIGURE 16A is an end elevational view of another interlocking means of the invention between the vertical leg of the handle and the bottle;
  • FIGURE 16B is a sectional view, taken along the lines 16B-16B, of Figure 16A;
  • FIGURE 16C is a sectional view, taken along the lines 16C-16C, of Figure 16B;
  • FIGURE 17 is a side elevational view, partly in section, of an embodiment of the invention illustrating a bottle and an attachable handle, wherein the handle is bonded to the bottle;
  • FIGURE 18 is a side elevational view showing the bottle of Figure 17 with the handle bonded thereto;
  • FIGURE 19 is an end view of the handle shown in Figure 17;
  • FIGURE 20 is a sectional view of the vertical .leg of the handle, taken along the lines 20-20, of Figure 19;
  • FIGURE 21A is an end elevational view of anothe embodiment of the bottle and attached handle of the present invention wherein the handle is bonded to the bottle;
  • FIGURE 21B is a side elevational view, partly in section, of Figure 21A;
  • FIGURE 21C is an enlarged detailed view of the welded or bonded arrangement between the generally vertical leg of the handle and the bottle;
  • FIGURE 22A is a side elevational view, partly in section, of a further embodiment of the invention prior to attachment of a handle with a breakaway closure
  • FIGURE 22B is a side elevational view of the assembled bottle, closure and handle of Figure 22A;
  • FIGURE 22C is a plan view of the handle and breakaway closure of Figure 22A.
  • FIG. 1-7 of the drawings there is shown a plastic bottle 10 which includes the attachable handle 12 of the present invention.
  • the bottle 10 is formed from biaxially orientable thermoplastic materials and is made by the stretch-blowing Process to provide a biaxially oriented, pressurized plastic container having a highly engineered and functional shape.
  • This bottle 10 is well suited for containing carbonated beverages.
  • the Bottle 10 is generally of a circular cross sectional shape and has a relatively narrow threaded neck finish 14 adapted to receive cap 15.
  • a neck ring 16 which is beveled inwardly and which includes a notch 18 for positioning and locking the handle 12.
  • a shoulder 20 which connects the neck 14 to the body 22 of the bottle 10,
  • the bottle body 22 typically can be from 2 to 5 times larger in breadth than the relatively narrow neck 14.
  • a recess 23 On one side of the bottle 10 extending from the neck 14 to the body 22 is a recess 23 with a backwall 24 which, in cooperation with the handle 12, facilitates gripping, lifting, carrying and pouring.
  • locking means 25 On the surface of the bottle 10 are locking means 25 which are in alignment with the notch 18 for positioning and locking the handle 12 to the bottle 10 (see Figure 6).
  • the locking means 25 is a lug formed as an integral part of the bottle 10 during the stretching-blowing process.
  • the lug 25 is generally V-shaped having one leg on the bottle surface whcih defines the base of the recess 24 and the other leg on the bottle surface which defines the adjacent sidewall of the body 22.
  • a slot 27 Immediately below the lug 25 is a slot 27 which, as hereinafter described, facilitates locking the handle 12 to the bottle 10.
  • the handle 12 generally is L-shapec and is attachable to the upper portion of the bottle 10 in the area defined by the recess 24 and, when attached, the handle 12 lies within the cross sectional dimension or breadth of the bottle 10.
  • the handle 12 includes, when in position to be attached, a substantially horizontal leg
  • the horizontal leg 26 is shorter than the vertical leg 28 and is generally rectangular in cross section at its free end.
  • the leg 26 includes a bore 32 at its outer end which is large in cross section than the neck 14 and ring 16, Within the bore 32 is an annular shoulder 34 which has a beveled curvature that complements the beveled curvature of ring 16 to provide an interlocking snap fit.
  • a projection or tooth 36 depends from the shoulder 34 and extends outwardly from the handle wall forming the bore 32 (see Figure 7), The configuration of the projection 36 is rectangular and is adapted to snugly fit within the notch 18.
  • the vertical leg 28 is semi-circular in cross section with the curvilinear portion facing inwardly to the bottle 10 for ease of gripping, lifting, carrying and pouring.
  • the leg 28 At its free or lower end 37, the leg 28 has an angular opening 38, and an outer projection 39 which extends below the inner projection 40.
  • the shape and breadt of the opening 38 is such that the lug 25 is adapted to fit snugly therein with the upper or inner projection 40 abutting against the upper end of the lug 25 and with the lower or outer projection 39 abutting against the lower end of the lug 25 and snubly fitting wirhin the slot
  • the handle 12 also includes flexing means which, as shown in Figures 1, 2 and 4, are a pair of spaced grooves 42 that extend acrcs ⁇ and partially through the horizontal leg 24. In use the grooves 42 permit flexing of the handle 12 to facilitate attachment to the bottle 10 and to allow for flexing of the handle 12 and upper portion of the bottle 10 when it is subject to internal pressure.
  • flexing means which, as shown in Figures 1, 2 and 4, are a pair of spaced grooves 42 that extend acrcs ⁇ and partially through the horizontal leg 24. In use the grooves 42 permit flexing of the handle 12 to facilitate attachment to the bottle 10 and to allow for flexing of the handle 12 and upper portion of the bottle 10 when it is subject to internal pressure.
  • the handle 12 In assembling the handle 12 to the bottle 10, the handle 12 is positioned so that the bore 32 of its horizontal leg 26 is positioned over the neck ring 16. The bottle 10 then can be rotated relative to the handle 12 until the tooth 36 slides into the notch 18 whereupon the annular shoulder 34 is snap fitted onto the neck ring 16 by reason of the complementary beveled surfaces.
  • this embodiment provides a large biaxiall oriented pressurized bottle 10 (32 ounce, 64 ounce, etc.) with an attachable handle 12 which permits lifting, carry ing and pouring without impairing the desired properties or shape of the bottle 10,
  • the handle 12 is a space saver and the bottle can be filled, packaged, displayed and stored without dif ficulty.
  • the handle 12 is a space saver and the bottle can be filled, packaged, displayed and stored without dif ficulty.
  • a bottle 10 of biaxially oriented thermoplastic materials having a shape particularly adapted to contain liquor (e.g., 64 ounce or 128 ounce).
  • the bottle 10 includes a plurality of depressions 43a, 43b, 43c and 44 in the neck finish 14 and in the sidewall of the bottle 10.
  • Depressions 43a and 43b are positioned immediately above the neck ring 16 and oppose one another along the longitudinal axis of the bottle 10, and depression 43c is positioned centrally therebetween and at the same radial level.
  • Depression 44 is spaced below and in alignment with the central depression 43c in the base of the shoulder 20 and adjoining body 22.
  • the handle 12 includes a horizontal leg 26 having, at its free end, resilient, semicircular opposing, yoke-shaped arms 45. At the ends and base of the yokeshaped arms 45 are projections 46a, 46b and 46c. Opposing projections 46a and 46b face inwardly for locking engagement in the depressions 43a and 43b, and projection 46c extends into the space between the arms 45 for locking engagement in the depression 43c.
  • the generally vertical leg 28 o f the handle 12 normally is at about a 90 ° angle to the horizontal leg 26, and the end 37 of leg 28 and the depression 44 have complementary shapes for engagement therebetween.
  • the leg 28 is adapted to be flexed outwardly as the leg 26 is attached to the neck 14, This places the handle 12 under the required tension along its full length and maintains engagement between the leg end 37 and the bottle 10 within the depression 44.
  • the resilient arms 45 are placed about the neck 14 and the bottle 10 and/or handle 12 is rotated.
  • the projections 46a, &6b and 46c are in alignment with the neck depressions 43a, 43b and 43c.
  • the horizontal handle leg 26 is then pushed inwardly while pressure is applied to the joining curved segment 30 of the handle 12 to spre the handle legs 26 and 28 which forms an obtuse angle therebetween. This action locks the projections 46a, 46b and 46c of the horizontal handle leg 26 in the depressions.
  • the sidewalls of depression 44 may be undercut as shown in Figure 8C to allow a gripping action on handle end 37 for additional security of its engagement with the sidewall.
  • alignment of handle end 37 with recess 44 may be accomplished by depending on the arrangement of projections 46a, 46b and 46.c with the neck depression 43a, 43b and 43c.
  • Figures 11A-11C illustrate a snap fit locking means for the horizontal leg 26 of the handle 12.
  • the bore 32 is placed around the neck finish 14 and in contact with the neck ring 16.
  • the bottle 10 and/or handle 12 is then rotated to align handle end 37 with sidewall depression 44, whereupon the annular shoulder 34 is snap fitted onto the neck ring 16 by reason of the complementary beveled surfaces using ring 16a optionally to prevent further downward movement of bore 32 so that engagement with ring 16 is securely maintained.
  • the direction of the beveling is inverse to that previously described ( Figures 1-7). Accordingly, when the shoulder 34 is snapped below the neck ring 16 it engages the underside thereof.
  • the tension imparted to the handle 12 constantly urges the shoulder 34 into locking engagement with the rings 16 and 16a.
  • ring 16a may be replaced by the bottle shoulder designed and spaced to provide a similar restraint to bore 32.
  • Figures 12A-12C illustrate a twist locking engagement for the horizontal leg 26 and the neck 14.
  • About the neck ring 16 and about the annular wall of the bore 32 of the leg 26 are cooperating interlocking lugs 47 and 48.
  • the handle 12 and/or bottle 10 can be rotated and the lugs 48 pass be tween and under lugs 47 with a downward thrust on the free end of the leg 26 resting on the top 16a of the shoulder 20. Rotation may be continued until handle end 37 engages sidewall recess 44 preventing further rotation, thereby locking handle 12 in place.
  • top 16a may be replaced by a second, but continuous neck ring (such as shown in Figure 11A).
  • one of the lugs 48 of bore 32 and one of the spaces between lugs 47 of the neck ring 16 may be of a greater radial dimension than the others so that the desired engagement occurs only when vertical handle leg 28 is in alignment with recess 23. Thereafter the handle 12 can be rotated unto the vertical leg end 37 is engaged within recess 44.
  • the lugs 48 of bore 32 and the lugs 47 of neck ring 16 may be angled to provide a wedge type locking action .
  • the recess 24 is concave in both the vertical and horizontal planes for a greater resistance to columnar stresses and for a larger bottle capacity.
  • the back wall 24 has a concave shape over much of its length (the normally vertical direction of the bottle 10; see Fig. 12A) and a concave shape in cross section (the normally horizontal direction across the bottle 10; see Fig. 12C) .
  • the ends 21 of the concave cross sectional shape are rounded to form reverse curvilinear segments which extend tangentially into the shoulder 20 and sidewall 22 of bottle 10.
  • a tension handle 12 has been used for lifting, carrying and pouring.
  • FIGs 13A-13C there is illustrated a compression handle 12 for the sane purpose.
  • the compression handle 12 includes a leg 28 which, in the unassembled condition, forms an obtuse angle with the horizontal leg 26.
  • the donwward projections 46a and 46b on the arms 45 are snapped onto locking engagement in the downward depressions 43a and 43b of shoulder 16a immediately below the ring 16, and the outwardly generally vertical depending leg 28 is moved inwardly toward the bottle 10 placing the handle 12 under compression. Continued inward movement will cause the leg end 37 to be moved over and snapped onto the projection 25.
  • FIGS 14A-14D, 15A-15C and 16A-16C illustrate additional interlocking means between the vertical leg 28 of the handle 12 and the shoulder or sidewall of the bottle 10.
  • FIGs 14A-14D there is illustrated a bottle 10 for fruit juices which includes a notch and wedge interlocking means between the sidewall of the bottle 10 and the lower end 37 of the leg 28.
  • the lower end 37 has an undercut notch 50 while the side wall of the bottle provides a wedge 52 which fits snugly in the notch 50 to lock the leg 28 to the bottle (see Figure 14D).
  • a band or label 54 wrapped about the bottle 10 and over the leg 28 assists in locking the leg 28 to the bottle 10. (See Figure 14D which for illustrative purposes includes a portion of the label or band.)
  • the leg 28 can be attached to the bottle 10 by a band or label 54 alone which may contain plastic materials and which provide a structural member banded over both the leg 28 and bottle 10 and bonded to the bottle 10.
  • the band 54 can be formed from specialty adhesive tapes and can be of finite length and breadth sufficient to provide attachment without circumventing the bottle 10.
  • the handle 12 of this embodiment includes a captive closure or cap 15 attached to the free end of the leg 26 by an integral plastic hinge 55.
  • the hinge 55 allows the bottle to be opened without being concerned about misplacing the cap 15.
  • the hinge 55 is flexed simply by gripping and placing the cap 15 on the neck finish 14.
  • FIGs 15A-15C there is illustrated another interlocking means for the leg 28 of the handle 12 and the sidewall of the bottle 10.
  • the leg 28 is provided with the male rather than the female member of the notch and wedge.
  • the male wedge 52 is included on the lower end 37 of the handle leg 28 while the female notch or recess 50 is formed during blow molding in the sidewall of the bottle 10 (see Figures 15A-15C).
  • FIG. 16A-16C another wedge and notch interlocking arrangement is illustrated.
  • the wedge 52 is again on the lower end 37 of handle leg 28 and includes two projections 56 which are received by correspondingly shaped notches or recesses 58 in the sidewall of the bottle 10.
  • the interlocking means does not adversely affect the desirable p rop ert ies of the bottle 10.
  • the locking means on the leg 28, and for that matter the locking means on the leg 26, do not penetrate the surface of the bottle 10 or alter the condition of the plastic. In biaxially oriented bottles particularly this could be disastrous. Penetration could adversely affect the strength or impermeability provided by biaxial orientation as well as bottle shape rendering the bottle 10 useless.
  • FIGS 17-20 and 21A-21C there are shown handles 12 attached to bottles 10 by bonding techniques.
  • Figures 17-20 there is hown a blow-molded bottle 10 with a continuous shoulder 20 and a handle 12 with its legs 26 and 28 bonded to neck 14 and shoulder 20, respectively.
  • the free end of the horizontal le 26 includes a bore 32 which is large in cross section than ring 16. Within the bore 32 is an annular shoulder 34 which fits easily over and abuts ring 16 to which it is then bonded.
  • the free or lower end 37 of the vertical leg 28 has a relatively thin member 60 positioned at an angle which is complementary to the angle of the shoulder 20. When the horizontal leg 26 is properly positioned the member 60 is in contact with the shoulder 20 ready for bonding thereto.
  • An upper extension 61 to the vertical leg provides a greater gripping surface while permitting a higher attachment site 60 for the vertical leg 28 thereby allowing the shoulder 20 to be raised.
  • Bonding procedures including simple heat, ultrasonic vibration, or high frequency electric or magnetic fields, are then used to produce heat in bore 32 and member 60 or at their interfaces with the neck ring 16 and the shoulder 20, respectively to bond the legs 26 and 28 thereto.
  • suitable bonding or adhesive agents can be applied between the bore 32 and member 60 and the neck ring 16 and shoulder 20, and where necessary, such agents can be activated by suitable energy sources.
  • the horizontal leg 26 can be secured to the neck ring 16 at bore 32 by spin welding.
  • the vertical leg 28 is bonded to the bottle 10 via a thin integral wafer 62 which extends from the leg 28 in the form of a foot 60 at an angle that is complimentary to the angle of the shoulder 20.
  • the wafer 62 because it is thin will begin to melt and adhere very quickly without impairing the shape or properties of the bottle 10. Also, bonding or adhesive agents already described can be used to attach the wafer 62 to the bottle 10.
  • the bonding means selected provides the requisite bonding without impairing the properties or shape of the bottle 10.
  • a bottle 10 is formed from a biaxially oriented thermoplastic material bonding means (e.g., uncontrolled heat or solvent action) which release the necessary molecular strain for biaxial orientation are not used.
  • FIGS 22A-22C there is shown an integral tension handle 12 and closure 15 with threaded interior portions, joined by an easily ruptured interconnecting web 64 and a blow molded bottle 10 with two adjacent threaded portions 66 and 68 designed to provide separate engagement for the closure 15 and the handle 12.
  • the handle-closure (12,15) is placed upon the neck finish 14 of the bottle 10 and rotated to provide engagement.
  • the closure portion 15 When the closure portion 15 is fully engaged, the threaded handle portion 32 is not, so that further rotation will rupture the web 64 therebetween and the handle 12 will continue to turn until its horizontal leg 26 is engaged against the shoulder 70 and the vertical leg 28 is engaged within the sidewall recess 44, to thereby position the handle 12 and prevent backoff of the threaded portions 32 and 68.
  • bottles and attachable handles of the present invention can be used to contain and pour a wide variety of pourable products.
  • beverages such as carbonated drinks, fruit juices and drinks, liquor, beer, wine and milk.
  • foods such as edible oils, pourable dressings, vinegar and syrups;
  • medicinal and health products such as oral antiseptics; toiletries and cosmetics, such as shampoo and hair care products; household chemicals, such as general purpose and dishwashing detergents and bleaches; and auto and marine products, such as motor oil and antifreeze.
  • bottles 10 of the invention can be formed by any of several molding techniques, including extrusion blow-molding and injection blow-molding.
  • stretch blow-molding is preferred because of the desirable properties of biaxially oriented plastic bottles formed by this technique.
  • the attachable handle 12 of the invention can be formed by known techniques including injection, compression or transfer molding.
  • the handle 12 is formed by injection molding
  • the handles 12 can be attached to the bottles 10 by snap or interlocking means, or by bonding, welding, adhesive or still other means.
  • the handles 12 can be attached to the bottles 10 by a variety of bonding techniques.
  • These bonding techniques include welding operations generally accomplished by frictional heating, or by procedures in which contacting surfaces are placed in relative movement. Vibration may be at sufficiently high frequency and producing sufficient frictional heat to result in ultrasonic welding.
  • a variety of alternative heat'ing means may utilize external fields: magnetic, electric, or electromagnetic.
  • electromagnetic welding, induction welding, as well as radiation welding may make use of intrinsic properties of the plastic material or may depend upon fillers which are designed to convert field energy to thermal energy. Such fillers may take the form of magnetically or electrically polar particles or may have larger absorption cross-section for radiation.
  • An expeditious form of bonding may involve chemical modification of the plastic, for example, by cross-linking.
  • This cross-linking or curing which may be induced by radiation of suitable quantum energy may result from polymer cross-linking, for example, by inclusion of a difunctional curing medium — or for that matter, by any medium of greater polyfunctionality,
  • Local conductive heating is generally not preferred, particularly as practiced in stretch blow molding, since excessive heat conducted through the stretched sidewall results in degradation of those properties dependent upon biaxial orientation and release of orientation stress may result in collapse of the sidewall; possibly with its rupture.
  • the handle extremity shown in FIGS, 21A through 21C represents a valuable embodiment in accordance with, the invention which enables the use of local conductive heating.
  • the handle extremity possesses a very thin section abutting the sidewall of the bottle, This section can be heated sufficiently to fuse itself to the sidewall without generating sufficient heat content to substantially effect a deterioration of the thicker sidewall of the bottle.
  • bonding of the handles 12 to the bottles 10 can be achieved through the use of adhesives of a hot melt type or such as can be achieved with water-based, solvent-based or other adhesives which cure at ambient conditions.
  • materials for forming the bottles include those satisfactory for blow-molding or those satisfactory for the preferred embodiments of stretch blow molding. Both contemplate polymeric materials which at least during the blowing operation are thermoplastic. Compositionally, polymer (or plastic) mat erial satisf ac tory f o r us e ar e hydrocarb ons or substituted hydrocarbons. Materials include the simple unsubstituted homopolymers, polypropylene and polystyrene, substituted polymers, such as, acrylonitriles, and polyesters, such as polyethylene terephthalate.
  • handles include the same materials used for forming the bottles.
  • these materials can be dissimilar to those of the bottles and can be specifically selected to maximize the properties of the handles, such as resiliency, toughness and stiffness.
  • impact polystyrene handles would provide suitably high levels of toughness, stiffness, close dimensional tolerances for optimum performance during attachment t o and use with a variety of bottles made from polyethylene, polypropylene, polyethyleneterephthalate, etc.
  • these handles can be of a different color than the bottle,
  • the handle can be formed from scrap or other materials which may not be suited for contact with the contents to be contained.
  • the snap fit engagement (16 and 34) may be combined with the integral closure 15 and interconnecting web 64 of Figures 22A-22C;
  • the neck-yoke arm engagement of the upper handle arm (43a-c and 46a-c) of Figures 8A-8D may be combined with the bonding engagement (60,62) of the lower arm of Figures 21A-21C.
  • the handle 12 is generally L-shaped, it is within the scope of this invention to have a handle 12 before attachment of another shape, e.g., straight, which can be bent or formed to the generally desired L-shape during attachment.
  • the vertical leg 28 can include a lateral extension which is secured to the interlocking means on the sidewall of the bottle 10.
  • the interlocking means e.g., projection 25, can be located well within the recess 23.
  • Plastic a category of organic materials, generally thermoplastic, substituted or unsubstituted, hydrocarbons — examples are polyolefins, such as polypropylene, and polyesters, such as polyethylene terepthalate.
  • T g glass transition temperature at which the plastic changes from a glassy state to a rubbery state. Molding operations are invariably carried out substantially above T g -- generally at temperatures at least 100°F (Ca.40°C) in excess.
  • Preferred embodiments herein which depend upon biaxial orientation are carried out with the plastic in the rubbery state but over a lower range, generally within 100°F (Ca.40°C) of T g .
  • Molding that category of procedures in which plastic material is caused to flow into the interstices of the mold to result in a formed object which becomes rigid upon cooling.
  • Preform (occasionally referred to as parison) the molded form which, in the procedures of the invention, is formed preliminary to expansion to produce the final object and, therefore, a form somewhat smaller than that of the final object.
  • the preform is produced with the plastic at an elevated temperature in excess of 100°F (Ca.40°C) above T g .
  • Extrusion molding that molding procedure generally utilized to produce the p-reform or parison.
  • plastic materials introduced as particulate matter by a screw or ram with or without external heating is brought to elevated temperature so that it is introduced as a flowing plastic under pressure through a die to produce the preform.
  • injection molding that molding procedure generally utilized to produce the preform.
  • plastic materials introduced as particulate matter by a screw or ram with or without external heating is brought to elevated temperature so that it is introduced as a flowing plastic under pressure into a mold to produce the preform.
  • Connecting passages known as runners are common.
  • Compression or Transfer molding One of the more common alternatives to injection molding to produce the handle in which a mass of plastic is heated and is introduced into a mold portion. Whereafter, an additiona mold portion, such as a plunger, distorts the mass to cause it to conform, again, with the interstices of the now completed mold.
  • a mold portion such as a plunger
  • Blow molding This term contemplates expansion of the preform to its final configuration by the use of gas under pressure. This requires use of a blow mold. As practiced in the past, no effort was made to change the temperature of the preformed plastic before or during the blowing operation. Some reduction in temperature naturally results from contact with the preform mold.
  • Stretch blow molding Blow molding in which the preform is stretched often by means of an inserted plunger prior to blowing. The procedure is recognized as advantageously practiced with the plastic material within a temperature range close to but above T g so as to result in extension of the polymer molecules from their natural state to an extended state with the major molecular axis as resolved lying in the direction of stretch. Blowing is carried out within the same temperature range designed to result in retained orientation and produces orientation in the blow direction so that the resulting final configuration is "biaxially oriented".

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Abstract

Bouteilles en plastique (10) avec une poignee attachable (12) pour lever, transporter et verser. La poignee (12) possede une forme generale en L. Une branche (26) de la poignee coopere avec le goulot (14) de la bouteille (10) et est fixee a celui-ci et l'autre branche (28) coopere avec la paroi laterale de la bouteille. Lorsque la poignee (12) est attachee, la branche (26) est horizontale et peut etre fixee par pression ou autrement sur le col (14) de la bouteille (10) et l'autre branche (28) est generalement verticale et peut s'engager avec la paroi laterale de la bouteille (10) ou s'attacher a cette paroi laterale par interverrouillage, soudage, liaison, adhesion, bandage ou autre moyen De meme, lorsque la poignee (12) est attachee, elle est placee sensiblement dans la largeur de la bouteille (10). Lors de la formation de la bouteille (10) et de la poignee (12) de la presente invention, des moyens peuvent etre prevus pour l'alignement correct de la poignee (12) et de la bouteille (10) pour faciliter la cooperation et la fixation entre les deux. Dans un mode preferentiel de realisation, la presente invention permet d'obtenir une grande bouteille pressurisee orientee biaxialement (10) avec une poignee attachable de levage, de transport et de versement sans nuire a la forme et aux proprietes desirees de la bouteille (10).
PCT/US1981/000058 1981-01-15 1981-01-15 Bouteilles avec poignees attachees et procede de formation WO1982002371A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/US1981/000058 WO1982002371A1 (fr) 1981-01-15 1981-01-15 Bouteilles avec poignees attachees et procede de formation
AU72224/81A AU7222481A (en) 1981-01-15 1981-01-15 Bottles with attached handles and method of forming the same
EP19810901413 EP0069732A1 (fr) 1981-01-15 1981-01-15 Bouteilles avec poignees attachees et procede de formation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/US1981/000058 WO1982002371A1 (fr) 1981-01-15 1981-01-15 Bouteilles avec poignees attachees et procede de formation
WOUS81/00058810115 1981-01-15

Publications (1)

Publication Number Publication Date
WO1982002371A1 true WO1982002371A1 (fr) 1982-07-22

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Application Number Title Priority Date Filing Date
PCT/US1981/000058 WO1982002371A1 (fr) 1981-01-15 1981-01-15 Bouteilles avec poignees attachees et procede de formation

Country Status (3)

Country Link
EP (1) EP0069732A1 (fr)
AU (1) AU7222481A (fr)
WO (1) WO1982002371A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993019990A1 (fr) * 1992-04-07 1993-10-14 Labplas (Uk) Ltd. Recipient en matiere plastique a col renforce
WO1995032127A1 (fr) * 1994-05-25 1995-11-30 Cenova Innovation & Produktion Ab Agencement facilitant la manipulation d'un recipient de liquide
WO1999030883A1 (fr) 1997-12-17 1999-06-24 Bealetec Pty. Ltd. Recipient comportant une poignee accouplee solidaire sur plusieurs points, preforme et procede de fabrication
DE20007230U1 (de) * 2000-04-19 2001-08-23 Stenzel, Henry, 50969 Köln Flaschenhalter
WO2007101309A1 (fr) 2006-03-09 2007-09-13 B & R Industries Pty Ltd Ameliorations des machines a mouler par soufflage du pet
DE202017106721U1 (de) * 2017-11-07 2019-02-19 Mega-Tel Ag/Sa Trage- und Ausgießvorrichtung für Flaschen
TWI805198B (zh) * 2021-02-09 2023-06-11 皇冠金屬工業股份有限公司 具有吊掛件之飲料容器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US601988A (en) * 1898-04-05 Bottle attachment
US2008316A (en) * 1932-12-19 1935-07-16 Jason C Stearns Guard for fuel bottles
US2571389A (en) * 1946-05-03 1951-10-16 Knapp Monarch Co Handle assembly
US2930502A (en) * 1957-05-22 1960-03-29 Klein Paul Combination bottle and handle attachment
US3456864A (en) * 1967-11-29 1969-07-22 Dow Chemical Co Disposable cups and handles
US3807594A (en) * 1972-01-28 1974-04-30 Isolierflaschen Kg Arrangement for securing the handle of a vacuum flask

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US601988A (en) * 1898-04-05 Bottle attachment
US2008316A (en) * 1932-12-19 1935-07-16 Jason C Stearns Guard for fuel bottles
US2571389A (en) * 1946-05-03 1951-10-16 Knapp Monarch Co Handle assembly
US2930502A (en) * 1957-05-22 1960-03-29 Klein Paul Combination bottle and handle attachment
US3456864A (en) * 1967-11-29 1969-07-22 Dow Chemical Co Disposable cups and handles
US3807594A (en) * 1972-01-28 1974-04-30 Isolierflaschen Kg Arrangement for securing the handle of a vacuum flask

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993019990A1 (fr) * 1992-04-07 1993-10-14 Labplas (Uk) Ltd. Recipient en matiere plastique a col renforce
WO1995032127A1 (fr) * 1994-05-25 1995-11-30 Cenova Innovation & Produktion Ab Agencement facilitant la manipulation d'un recipient de liquide
WO1999030883A1 (fr) 1997-12-17 1999-06-24 Bealetec Pty. Ltd. Recipient comportant une poignee accouplee solidaire sur plusieurs points, preforme et procede de fabrication
DE20007230U1 (de) * 2000-04-19 2001-08-23 Stenzel, Henry, 50969 Köln Flaschenhalter
WO2007101309A1 (fr) 2006-03-09 2007-09-13 B & R Industries Pty Ltd Ameliorations des machines a mouler par soufflage du pet
EP3919251A2 (fr) 2006-03-09 2021-12-08 Sangraal Europe Pty Ltd. Améliorations des machines à mouler par soufflage du pet
DE202017106721U1 (de) * 2017-11-07 2019-02-19 Mega-Tel Ag/Sa Trage- und Ausgießvorrichtung für Flaschen
TWI805198B (zh) * 2021-02-09 2023-06-11 皇冠金屬工業股份有限公司 具有吊掛件之飲料容器

Also Published As

Publication number Publication date
EP0069732A1 (fr) 1983-01-19
AU7222481A (en) 1982-08-02

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