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WO1993006982A1 - Savon pourvu d'un element de retenue, dispositif et procede de fabrication dudit savon - Google Patents

Savon pourvu d'un element de retenue, dispositif et procede de fabrication dudit savon Download PDF

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Publication number
WO1993006982A1
WO1993006982A1 PCT/US1991/007171 US9107171W WO9306982A1 WO 1993006982 A1 WO1993006982 A1 WO 1993006982A1 US 9107171 W US9107171 W US 9107171W WO 9306982 A1 WO9306982 A1 WO 9306982A1
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WO
WIPO (PCT)
Prior art keywords
die
soap
adapter
rim
combination
Prior art date
Application number
PCT/US1991/007171
Other languages
English (en)
Inventor
Robert B. Staver
Original Assignee
Staver Robert B
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 Staver Robert B filed Critical Staver Robert B
Priority to PCT/US1991/007171 priority Critical patent/WO1993006982A1/fr
Publication of WO1993006982A1 publication Critical patent/WO1993006982A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/442—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with mechanical ejector or drive means therefor
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D13/00—Making of soap or soap solutions in general; Apparatus therefor
    • C11D13/14—Shaping
    • C11D13/16—Shaping in moulds

Definitions

  • This invention relates generally to the combination of a cake of soap of the type which is applied by hand, and a member with holding means affixable thereto, and to means and a method for forming said combination. (The combination is broadly disclosed in my U.S. Patent No. 3,100,363.)
  • a cake of soap and member made according to the disclosed state of the art by means of casting molten soap into a mold containing a member with holding means, whose base portion (adapter) imbedded in the soap is of highly stable dimensions, produces a product sample giving consistently reliable performance.
  • this has been found not to be a practical method for the commercial production of a cake of soap in any form.
  • sample combinations of a cake of soap and member (portion) made according to the disclosed state of the art, on a Foot Press (which is capable of producing between six to eight such soap cake combinations per minute in a hand operation, with each soap press requiring an individual operator), have been found to suffer from an unacceptably high proportion of product failure due to premature separation of the adapter (portion) from the cake of soap as well as due to other serious imperfections.
  • soap die that acts to prevent failure of attachment of a member to a body of soap (that contains several volatile constituents).
  • a general object of the present invention is to provide, in combination, a cake of soap and member of improved design, which member (or a separable "adapter” portion thereof) will remain attached to the body of soap throughout its useful life, and such means as needed, and a method, for the manufacture of said combination at economic cost.
  • a more specific object of the present invention is to prevent formation of a cavity between and along the major bottom surface of the member and the facing surface of the soap material which, when in intimate contact with each other, together comprise their major "interface".
  • Another object of the present invention is to provide means for, and a method for attaching a member (portion) to a body of soap in a soap press while at the same time preventing the unwanted migration of soap above the outer flange (or outer edge portion) of said member.
  • Another object of the present invention is to provide means both (a) for more easily placing an adapter (portion of a member) into intimate contact with a supporting die-protuberance located within a soap die, and (b) for maintaining secure attachment of said adapter to said protuberance during pressing of the combination.
  • Another object of the present invention is to provide both means for, and a method for, the automatic production of said combination of soap and attached adapter on commercial types of soap presses.
  • a more specific object of the present invention is to provide a practical method for achieving high-speed, low-cost, automatic production of said combination of soap and said adapter,
  • Another object of the present invention is to provide:
  • FIGURE 1 is an elevation view, in section, showing a cake of soap and member with holding means in accordance with the present invention.
  • FIGURE 2 is a sectional view taken along the line 2 - 2 of
  • FIGURE 3 is a sectional elevation view of the lower detachable portion of a member and a facing portion of soap material, which depicts a cavity between them.
  • FIGURE 4 is a plan view of a member consisting of two detachably securable portions that includes an exploded sub-portion of the lower separable (adapter) portion of the member, to better depict their cooperating, interlocking relationship.
  • FIGURE 5 is a partial view in vertical section of the two interengaging parts of the separable portions of a member, as shown in Figure 4,
  • FIGURE 6 is a partial view in vertical section of a member comprised of two detachably securable portions, wherein is shown their means of attachment to be located inwardly and separated from their peripheral region of non-attachment, but otherwise cooperating peripheral means of close, sealing engagement.
  • FIGURE 7 shows the same relationship of the two separable portions of a member but with another means of peripheral, close, sealing engagement.
  • FIGURE 8 is a sectional elevation view of a set of soap flies for forming subject combination in an automatic soap press, which may employ one or more matrix-dies (in sequential series) in cooperation with a punch-die, wherein said matrix-die contains an ejection pin adapted to support the lower (adapter) portion of a member.
  • FIGURE 9 is a sectional elevation view of a set of soap dies for forming subject combination in an automatic soap-press, which may employ one or more matrix-dies (in sequential series) in cooperation with one or more punch-dies (also in sequential series) wherein said punch-die contains an ejection pin adapted to support the lower (adapter) portion of a member.
  • FIGURE 10 is a sectional elevation view of a set of shell-dies for forming subject combination on an automatic pin-die soap-press, which may include a plurality of sequential stations.
  • FIGURE 11 is a sectional elevation- view of a set of soap dies for forming subject combination in an automatic soap-press, which may employ one or more barrel-dies (in sequential series) in cooperation with two opposing, converging punch-dies, one of which may include an adapter supporting ejection pin (which die may itself be progressed in a separate sequential series).
  • FIGURE 12 depicts a series of operating stations, in schematic cross-section, for an automatic, high-speed soap-press for forming subject combination. (Shown here is a single punch-die for cooperation with a plurality of matrix-dies.)
  • the cake of erodable material is indicated generally by the reference numeral 11.
  • the cake of material has a side surface 12, which surface is defined (in a preferred embodiment) generally by a surface of revolution.
  • the side-surface 12 shown has an inwardly extending concavity 13 which facilitates grasping and holding the article for use.
  • the upper surface can rest in the palm of the hand and the fingers extend over the outer edge of the rim 14 with the thumb lying along the concavity 13.
  • the material extends up along the edge 23.
  • a surface 15, which may be generally flat or moderately curved, is adapted to operate upon associated objects.
  • the material 11 is a cake of soap
  • the surface 15 is adapted to be applied to the skin, clothes or other objects.
  • the axis of the surface 15 is substantially coincident with the axis of the surface of revolution 12.
  • the opposite surface 16 of the soap cake is adapted to receive a member designated generally by the number 17, which member may include a horizontally extending, separable base (adapter) portion 18 having a finite surface 19 adapted to form intimate contact with the cake of soap 11.
  • the member 17 may include a holding means (handle) such as shown at 21 (and as described more fully in prior art Patent No. 3,100,363) which facilitates holding the cake of soap for application to objects. It will become apparent that the member 17 may be made of plastic, wood, metal or other suitable material, or of any combination of same.
  • the finite surface 19 cooperates with the cake 11 in such a manner that the axial force required to detach the adapter 18 from the cake is substantial. It is believed that the binding or holding force is primarily due to an atmospheric pressure bond between the cake 11 and finite adapter surface 19. That is, air at atmospheric pressure is excluded from part, if not all, of the interface between the surface 19 and the cake 11 so that the two form intimate contact. It is believed that the binding force due to atmospheric pressure alone will give an axial attaching or bonding force which, if a complete atmospheric vacuum is obtained along their interface, is not less than the projected area of the surface 19 normal to the axis multiplied by the surrounding atmospheric pressure.
  • the total axial attachment force may also include additional force components due to adhesion and physical interlocking of soap 11 to the adapter 18 in its peripheral soap region 11'.
  • the adapter 18 possesses a peripheral flange 86 located outwardly and upwardly from the adapter finite surface 19 such that the flange conforms to, and provides a part of, the upper contour of the combination.
  • This provides important protection for the exposed juncture of the soap cake with the adapter flange by confining this soap-adapter Juncture to a generally continuous surface, with the substantially higher, cornered surface of the inner edge of this flange being made , not of soap, but of solid material.
  • This design will also provide better protection to the combination during its shipment as well as when the upper portion of the member 17 is attached to the adapter-soap combination preparatory to its use.
  • the general configuration of the cake is such that in the absence of a member 17, the cake can be i easily grasped with the fingers extending over the peripheral jrim 14.
  • the upper surface is accommodated in the palm of the hand.
  • a member 17 is employed in conjunction with the cake 11 and the member 17 may include an integral or securable holding means 21.
  • FIGURE 2 is a cross-section taken along the line 2 - 2 in Figure 1. This exposes an annular face of the cake of material 11 and the round finite surface 19 of the member 17.
  • the finite surface 19a of the lower separable (adapter) portion 18a of the member 17 (Ref. Fig. l) is separated from the facing surface 81 of the body of soap 11a by a cavity designated as 82.
  • the existence of cavity 82 tends to negate the atmospheric pressure bond of attachment between the facing soap surface 81 and the adapter finite surface 19a and thus may lead to product failure, i.e. premature separation of the adapter 18a from the body of soap 11a,
  • Such cavity 82 may be promoted and/or created by one or more of the following conditions:
  • FIGURES k and 5 here in partly “exploded” plan-view is shown a means of attachment of the upper separable portion 120 to the lower separable portion 18b of a member 17b (which may include a holding means ⁇ Ref. Fig.1- #21 ) that involves the interlocking of at least one small, outwardly extending peripheral projection 83 (and 83a), located on the periphery of the lower portion of the upper separable portion 120 (and 120a) of the member 17b, which enters into corresponding slot 8k (and 84a) and i s then turned to interlock in an interference fit, with annular groove 85 contained, in the region of the inner diameter of the peripheral flange 86a (and 86b) of the lower separable portion 18b (and 18c) of the member 17b.
  • a member 17b which may include a holding means ⁇ Ref. Fig.1- #21 ) that involves the interlocking of at least one small, outwardly extending peripheral projection 83 (
  • the axial radius of the peripheral projection(s) 83 (and 83a) slightly exceeds the axial radius of the annular groove 85 so as to create an interference fit. Also shown are raised markers 73 (and 73a) and 74 (and 74a) to enable the consumer to more easily align and attach, visually or tactily, the upper separable portion 120 to the lower aeparable portion 18b of the member 17b. Raised marker 73 is located close to an inwardly from, and in the same vertical-axial planal radius of the email outwardly extending, peripheral projection 83.
  • raised market 74 is located close to and outwardly from, and in the same vertical axial planal radius of the inwardly facing slot 8k in the lower adapter portion 18b of member 17b.
  • any set of soap dies e.g. Fig. 8, 9, 10, 11, and 12
  • an adapter with one or more raised markers 74 will contain an annular groove to accommodate said marker(s) in that portion of the soap die (which may be an ejection pin) that intimately supports the adapter during soap pressing.
  • FIG. 6 and 7 show a member designated generally as 17c and 17d respectively, having a separable base portion (adapter) 18c and
  • General means 55 for their attachment to, and detachment from each other, of generally unchanging difficulty, and being located substantially inwardly from, and independent from
  • peripherally located means 56 for preserving, by effectively sealing throughout product use, by cooperation with the peripheral region of adapters 18c and 18d, an internal buoyancy chamber 57a and 57b, separate from the outside
  • sealing means 56 a-b (FIGURE 6) comprises several thin flexible projections located in the region of the lower periphery of the upper separable portion of member 17c, that cooperate with the outer flange region 58 of the adapter 18c so as to provide a sealed buoyancy chamber 57a.
  • Various other outwardly located sealing means may be equally effective for this purpose, such as attained by employing other cooperating configurations of these two separable portions of member 17c.
  • Sealing means 56 c-d includes an elastic O-ring 61 located on the lower periphery of the upper separable portion of member 17d, that cooperates in a unique way so as to maintain a continuous seal between the base portion 18d and the upper separable portion of member 17d.
  • a member 17 such as basically depicted in Fig. 1 as having a peripheral means of attachment of the separable portions of said member, could also be secured by use of a split wire-ring, or an O-ring of sufficiently stiff elasticity, located with a similar groove 59 (Fig. 7), for cooperation with a similar groove 6 ⁇ (Fig. 7) of the detachably securable (adapter) portion 18 of member
  • general means 55 for centrally attaching the separable portions of the member 17 may include such other general means of attachment such as a snap-fit, interlocking engagement, various types of screw
  • FIGURE 8 shows a set of soap dies for pressing the adapter-soap combination, as described, which consists of one matrix-die 91 for cooperation with one punch-die 94.
  • These dies lend themselves to forming subject combination by following special procedures, but only after having been specially designed and constructed so as to meet those requirements specific to, and peeuliar to, forming subject soap-adapter combination, that will enable them to produce a final combination capable of meeting the highest standards of product performance demanded of this combination, not only by both the soap industry and the ultimate consumer but also by all marketing elements that lie between them.
  • the soap matrix-die 91 is- depicted in section (for a preferred embodiment) with an ejection pin 92 of substantial diameter.
  • the adapter 18e fits on the tapered lower end of ejection pin 92, which provides close support during the power-soap-pressing stroke of companion punch-die 944.
  • the ejection pin 92 (shown in its preferred embodiment) is of the same outside diameter as the adapter 18e so that on ejection, the lower outer edge of this pin can leave no disfiguring "edge-mark" on the soft soap cake 11a, as it might if this pin were of greater diameter than that of the adapter. Also, this preferred embodiment prevents possible distortion of the adapter and damage to the pressed soap cake 11a that might occur if the diameter of the ejection pin were substantially less than that of the adapter, vhich might permit the adapter to flex on ejection.
  • the adapter 18e is provided with an outwardly extending flange 86d (also see Fig. 1) that will form a significant conforming portion of the upper contour of the combination, This provides several advantages:
  • the flange 86d will permit effective obturation during soap pressing, such that the pressure of the fast advancing soap material into the upper region 98 of the matrix-die cavity on closure of the punch-die 94, will exert such pressure on the underside 99 of this flange 86d as to seal it tightly against the upper supporting ejection pin (and/or other internal matrix-die surface), thus preventing any soap from being forced up and over the top of the flange during soap-pressing, this effectively preserving the acceptable appearance of the final soap combination, (d)
  • the flange 86d provides extra overall width to the adapter which in turn allows use of a wider diameter ejection pin having the same diameter as the adapter.
  • the upper soap surface 96 located outwardly from the flange 86d and above the rim 14a of the combination is substantially reduced in area and thus offers lees total adhesion resistance to ejection of the combination from the matrix-die without product distortion or other damage.
  • this reduced adhesion resistance to ejection may obviate need for application of mold release lubricant to this die, at least for some soap compositions, or some die surfaces.
  • attachment means 288 may be employed in order to secure adapter 18e to the adaptersupporting protuberance 289 in a soap die (which may be an ejection pin 92) to facilitate pressing the combination, and from which protuberance the combination may be removed at "take-off" of the completed combination.
  • ejection of the combination should only occur at the take-off station.
  • activation of the ejection pin 92 at the desired station in the soap press may be accomplished by, ox- initiated by, a fixed cam acting against rollers, or by other means.
  • a spring-loaded (52) ejection pin 92 might be usefully employed here providing these springs are only strong enough to assist ejection after initial "breakaway" of the combination from the matrix-die is initiated by other means, at (or when closely approaching) the take-off station.
  • adapter 18e If adapter 18e is given sufficient taper (88), it should release more easily from the ejection-pin and could also be placed more easily on said pin by automatic feed mechanism. However, if need be, instant release may be aided by mechanical separation linkage" of the adapter from this pin. Or, air-pressure may be used for this purpose. In this event, the amount of pressurized air shot into the space between the adapter and the ejection pin may, in effect, be "controlled” by use of a choke 53 that partially obstructs air passage within the ejection pin. This may permit better control of the ejection process and removal of the combination from the soap press by forcing extension of the ejection pin before sufficient air-pressure can lift the combination off this pin into a vacuum-cup or directly onto an out-conveyor.
  • Ease of ejection may be improved by not over-polishing that portion of the ejection pin that interfaces with the adapter.
  • FIGURE 8 also shows a punch-die 94 that stamps the soap-blank (Ref. Fig. 12, #3-87) into the configuration of the finished combination while at the same time attaching the body of soap 11a to the adapter 18e.
  • the punch-die 94 determines both the shape of the side surface 12a of the soap cake beneath the rim l4a, and the bottom soap surface 15a.
  • the significant draft angle 54 of the aide surface 12a beneath the rim l4a should facilitate separation of punch-die 94 from the soap body, which withdrawal may be further facilitated by lubrication of this punch-die before each stroke.
  • portion 101 (ref. Fig. 8) of the punch-die 94 that thrusts deep into the matrix-die to form the undercut surface [12a of the soap combination should in any way become distorted in normal use, if a suitable stronger material cannot be found to prevent this distortion, the side surface 102 of the punch-die may be undercut and wound with high-tensile strength wire under substantial tension, as depicted in 103 to rectify this problem.
  • FIGURE 9 shows another pair of matrix-punch dies to produce the. same adapter-soap combination, as described.
  • the punch-die is adapted to receive and to support the adapter I8f during pressing of the combination.
  • the matrix-die not only forms the soap side surface 12b below the rim 14b and the bottom soap surface of application 15b, but also forms the soap side-rim l4b.
  • One advantage of this design is that the overall depth-dimension of the two dies combined could be substantially less than for the two dies depicted in Fig. 8 , where the internal die-wall of the matrix-die that forms the side-rim needs to be extended in order to provide sufficient depth of cavity to receive the soap-blank. But for the matrix-die in Fig. 9, the die-cavity already possesses most of the depth needed to receive the soap-blank.
  • FIGURE 10 depicts a set of soap dies (in section) to produce the soap-adapter combination, as described.
  • the lower die l42 contains ejection pin 92b, which receives adapter 18g, which it intimately supports during soap pressing.
  • the preferred embodiment of the ejection-pin 92b is of the same diameter as that of the adapter 18g.
  • the lover die 142 is also designed to impart final configuration to the soap surface 96b outwardly adjacent to said adapter and to its side-rim l4c.
  • Upper die 141 is designed to impart both the major surface 15c of soap application and the side surface 12c that joins the major surface of application to the side-rim l4c.
  • the ejectionpin 92b may be provided with ejection springs 52a to facilitate ejection of, and removal of, the completed combination 145 after soap pressing.
  • lower die 142 may be provided with inlet hole l47a to permit use of air-pressure to further
  • Such a single set of soap dies may be used on a standard type of pin-die soap press. Also, a single upper die l4l may be used with a plurality of lower dies 142 that are indexed according to desired automatic press function. (Ref. Fig. 12 and related discussion)
  • FIGURE 11 depicts a "barrel-die” in section, comprised of three . basic elements (201, 202, and 203), for forming the soap combination, as described. (This is generally similar in concept to the conventional high-speed, multi-station "box-press" now widely used by the industry but with significant modifications to accommodate the pressing of subject combination.) Whereas the peripheral configuration in plan-view of moat standard soap bare is that of a rectangular box, the same view of subject adapter-soap combination is generally that of a circle, or modified circle, such as the end of a "barrel". To clarify this basic difference in planview configuration, the term “barrel-die” has been adopted as a general name for this unique type of soap die.
  • the barrel-die shown (in FIGURE 11) is comprised-of a set of two opposing punch-dies (201 and 202) that converge and act upon a soap-blank within the central die-barrel 203, to form the aforedescribed adapter-soap combination 204.
  • Punch-die 201 is adapted to receive and to intimately support adapter 18h (here shown on the ejection pin 92c as 18h') during the soap pressing operation, thereby attaching said adapter to the body of soap while at the same time forming that soap surface 96c located outwardly from the adapter 18h, while opposing punch-die 202 is adapted to form the side-surface 12d of the pressed soap cake between the
  • the side-rim 14d of the combination and the soap surface of application 15d is formed by the barrel-die 203.
  • the die-barrel may contain an internally facing, generally peripheral groove 211 into which the soap material may be pressed so as to interlock more securely within the barrel. Then when this combination is forcefully ejected from the barrel at the take-off station, the act of ejecting the combination smooths out this sidewardly protruding soap projection into a (vertical) straight side-rim profile.
  • the basic type of industry high-speed, automatic box-press is comprised of a series of four centrally positioned, rectangular, open-ended die-boxes that rotate within two opposing, simple forming punch-dies that converge on a pre-lubricated soap-blank located within the central box-die, to form the century-old industry standard type of soap bar. (it is standard practice to lubricate each soap-blank before it reaches the die-box in order to prevent frequent production of "soap rejects". Bar soap composition has a strong tendency to adhere to the soap-dies, this leaving an unacceptable "torn cavity" in the new soap bar.
  • this new automatic barrel-press is adapted to receive and to advance, the lower separable portion of a member 18h'
  • FIGURE 12 portrays, in schematic sequence, for forming the combination of a bodyof soap lie and a member (portion) 18i attached thereto,in an automatic soap press of special design that includes five matrixdie stations, in rotary sequence located at 72 angular intervals, as may be progressed by a dog-Geneva movement, that performs the following functions, in cooperation with a single punch-die 94b, using dies especially designed for forming subject soap-adapter combination. (Also refer to Fig. 8. )
  • Mold release lubricant may be applied to empty
  • matrix-die 91b cavity 65 here, (e.g. By spraying, misting, direct application, etc. )
  • a soap-blank 87 (pre-cut to size) is here automatically introduced into the matrix-die, within which it may be held securely in place by force-fit, by soap interlocking, or by other means, as previously described.
  • the generally tapered die aide-surface 12e should facilitate release of the punch-die from the combination (which remains in the matrixdie until the next station). Mold release lubricant may here be applied to the punch-die after its withdrawal from the matrix-die, during progression of the multiple matrix-dies to their next stations.
  • the ejection pin 92d performs primary ejection of the combination from the matrix-die. This ejection may be assisted by air-pressure applied to the base of the ejection pin, or this may be accompliahed by cam and rollers or other means. However, if adapter 18i should tend to stick to the ejection pin 92d, then air under pressure may be led thru a passage (fig. 8-84) in the ejection pin, against the interior surface of the adapter that faces the pin, to effect final release of the combination from the pin 92d for take-off.
  • the body of material to be attached to the member may be of various erodable materials such as soap (including synthetic detergents), wax, heavy lubricants, rubbing compounds, etc. It should be clear that whereas a complete member may be attached to such body of erodable material, both automatic production and economic considerations strongly favor that only the adapter be attached to most combinations that find their way into the mass-market.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

On décrit un moule (91) permettant de former et de mouler un savon (11), avec un adaptateur (18). Une obturation périphérique (86d) fixe de manière nette et sure l'adaptateur généralement horizontal à la surface supérieure d'un savon d'une grosseur appropriée à la main. Le moule comporte aussi un éjecteur (92) permettant de séparer l'ensemble savon-adaptateur du moule. La fixation de l'adaptateur au savon peut se faire avec plusieurs types de moules pour savon tels que moules à matrices, à broches, à cambrage et leurs variantes.
PCT/US1991/007171 1991-09-30 1991-09-30 Savon pourvu d'un element de retenue, dispositif et procede de fabrication dudit savon WO1993006982A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/US1991/007171 WO1993006982A1 (fr) 1991-09-30 1991-09-30 Savon pourvu d'un element de retenue, dispositif et procede de fabrication dudit savon

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Application Number Priority Date Filing Date Title
PCT/US1991/007171 WO1993006982A1 (fr) 1991-09-30 1991-09-30 Savon pourvu d'un element de retenue, dispositif et procede de fabrication dudit savon

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WO1993006982A1 true WO1993006982A1 (fr) 1993-04-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025073632A1 (fr) * 2023-10-06 2025-04-10 Unilever Ip Holdings B.V. Barre de savon façonnée et procédé de fabrication de barres de savon façonnées pour un meilleur estampillage

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US381438A (en) * 1888-04-17 Isaac smith
US435946A (en) * 1890-09-09 Method of securing anchors within cakes of soap
US827799A (en) * 1905-06-06 1906-08-07 George Frederick Grove Press-tool for the manufacture of push-buttons.
US3100363A (en) * 1959-04-06 1963-08-13 Robert B Staver Cake of material and handle
US3363040A (en) * 1965-10-12 1968-01-09 Aoki Katashi Apparatus and process for injection molding a plastic tray
US4128370A (en) * 1977-05-12 1978-12-05 Fred M. Dellorfano, Jr. And Donald P. Massa, Trustees, The Stoneleigh Trust Manufacture of electroacoustic transducers which require molding an elastomer to the surface of the transducer material
US4470786A (en) * 1981-07-28 1984-09-11 Omron Tateisi Electronics Co. Molding apparatus with retractable preform support pins

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US381438A (en) * 1888-04-17 Isaac smith
US435946A (en) * 1890-09-09 Method of securing anchors within cakes of soap
US827799A (en) * 1905-06-06 1906-08-07 George Frederick Grove Press-tool for the manufacture of push-buttons.
US3100363A (en) * 1959-04-06 1963-08-13 Robert B Staver Cake of material and handle
US3363040A (en) * 1965-10-12 1968-01-09 Aoki Katashi Apparatus and process for injection molding a plastic tray
US4128370A (en) * 1977-05-12 1978-12-05 Fred M. Dellorfano, Jr. And Donald P. Massa, Trustees, The Stoneleigh Trust Manufacture of electroacoustic transducers which require molding an elastomer to the surface of the transducer material
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Cited By (1)

* Cited by examiner, † Cited by third party
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WO2025073632A1 (fr) * 2023-10-06 2025-04-10 Unilever Ip Holdings B.V. Barre de savon façonnée et procédé de fabrication de barres de savon façonnées pour un meilleur estampillage

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