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WO1999064181A1 - Contenant, notamment boite, en tole a paroi mince - Google Patents

Contenant, notamment boite, en tole a paroi mince Download PDF

Info

Publication number
WO1999064181A1
WO1999064181A1 PCT/DE1998/001554 DE9801554W WO9964181A1 WO 1999064181 A1 WO1999064181 A1 WO 1999064181A1 DE 9801554 W DE9801554 W DE 9801554W WO 9964181 A1 WO9964181 A1 WO 9964181A1
Authority
WO
WIPO (PCT)
Prior art keywords
ribs
lid
bottom part
beads
container
Prior art date
Application number
PCT/DE1998/001554
Other languages
German (de)
English (en)
Inventor
Hans Werner Franzer
Original Assignee
Hans Werner Franzer
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
Priority to DE29723382U priority Critical patent/DE29723382U1/de
Priority claimed from DE29723382U external-priority patent/DE29723382U1/de
Priority claimed from DE19708826A external-priority patent/DE19708826C3/de
Application filed by Hans Werner Franzer filed Critical Hans Werner Franzer
Priority to PCT/DE1998/001554 priority patent/WO1999064181A1/fr
Publication of WO1999064181A1 publication Critical patent/WO1999064181A1/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
    • B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
    • B65D1/12—Cans, casks, barrels, or drums
    • B65D1/14—Cans, casks, barrels, or drums characterised by shape
    • B65D1/16—Cans, casks, barrels, or drums characterised by shape of curved cross-section, e.g. cylindrical
    • B65D1/165—Cylindrical cans
    • 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
    • B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
    • B65D1/40—Details of walls
    • B65D1/42—Reinforcing or strengthening parts or members
    • B65D1/46—Local reinforcements, e.g. adjacent closures

Definitions

  • Containers especially cans, made of thin-walled sheet metal
  • the invention relates to a container according to the preamble of claim 1.
  • Containers of the type in question are described, for example, in DE-A-31 17 347, EP-A-0 122 651, EP-A-0 349 054, EP-A-0 542 552 and EP-A- 005 025.
  • the two-part or three-part containers according to the known prior art have a base part which determines the volume of the container, followed by a central jacket-shaped central part, which are produced in one operation - that is to say in one part - by extrusion.
  • the wall thickness (thickness) of the central part is z. B. in the order of about 0, 10 mm up to approx. 0.15 mm, while the wall thickness (thickness) of the base part is of the order of approx. 0.30 mm to approx. 0.35 mm.
  • the wall thickness (thickness) of the cover part connected to it by flanging on the side of the (correspondingly prepared) central part opposite the base part has a wall thickness comparable to the base part.
  • Containers of this type are used as single-use packaging in considerable quantities, in particular for all kinds of drinks. Accordingly, the use of such packaging involves a considerable consumption of material (in the present case, in particular tinplate, but also aluminum). Even relatively small amounts of material that could be saved on a single container in its manufacture, based on the total annual consumption of about five billion cans in the Federal Republic of Germany alone, would mean considerable and in any case not insignificant material savings.
  • the aim of the present invention is to further improve containers of the type mentioned at the outset in such a way that — with the function remaining the same and not impaired — considerable material savings in their manufacture are possible.
  • the present invention is based in particular on the fact that the bottom part of the previously known container is much thicker, for. B. 0.33 mm thick, is designed as the central part, which has a wall thickness of z. B. 0.12 mm.
  • the stiffening elements provided according to the invention ribs, beads or the like
  • the bottom part thereof can be further improved in this way be that it can be made considerably thinner than before without losing its function - that is, without reducing its absolute inherent rigidity.
  • the weight of the bottom part can be reduced, for example, by 2-5 g compared to the bottom part of previously known cans of the type in question. Taking into account an annual consumption of approximately five billion cans, this leads to a reduction in the annual material consumption in the manufacture of these containers in the order of magnitude - in the case assumed here - for example 25,000 t of tinplate! - The stackability of the cans is also improved.
  • the solution according to claim 2 has the advantage that the concave arched bottom of the bottom part in a manner known per se for stiffening has no areas beyond the concavely curved surface (base area), so that, for. B. direct, as dense and therefore space-saving stacking of such cans is possible without any possible mutual hindrance by the stiffening elements according to the invention and the elements of the mentioned zipper of a further can located under the relevant can.
  • a very dense, direct stacking of cans may be impeded by the ribs, beads or the like provided according to the invention - depending on the actual conditions of the design of the lid part and bottom part; however, the stiffening of the base part to be expected from the introduction of such ribs, beads or the like into the base part is possibly even greater than in the case of the solution according to claim 2.
  • Claims 4 to 6 indicate process steps in connection with the otherwise known production of cans in question.
  • claim 4 suggests introducing the ribs, beads or the like into the base part of the can in the course of the extrusion process in the production of base part with a central part
  • claim 5 specifies an alternative solution, according to which the ribs, beads or the like. In a separate work step be introduced into the bottom part of the can. - Instead of a procedure in which the embossing of the
  • FIG. 1 is a perspective view of the lower region of a container according to the invention with a base part and subsequent central part,
  • FIG. 4 shows the lower region of the container according to FIG. 3 in section according to section lines B-B in FIG. 3,
  • FIG. 6 shows the lower region of the container according to FIG. 5 in a section corresponding to section line C-C in FIG. 5.
  • FIG. 1 and 2 show the round, concavely curved base part 2 of a container 1 (not shown), followed by a rising central part 3.
  • the base part 2 are - from a one located in the middle of the base part 2, unspecified and for example a diameter in the order of magnitude of approximately 5 mm to approximately 12 mm, starting in the direction of the edge of the base part, which is designated as 5 and serves as an annular footprint, that is to say arranged in a radial direction and thus transversely to the base part or to the latter
  • Base surface stiffening stiffening elements provided in the form of ribs, beads or the like. 4.
  • the ribs, beads or the like. 4 end in the case of the illustration in FIG.
  • FIGS. 3 and 4 show the round, concavely curved base part 7 with a subsequent, projecting, cylinder-jacket-shaped central part 8 of a container 6, which is not shown in the rest.
  • the base part 7 there are - starting from an area located in the middle of the base part 7 as in the case of the embodiment according to FIGS. 1 and 2 - stiffening elements arranged in the radial direction in the form of ribs, beads or the like. 9 are provided.
  • the ribs, beads or the like 9 are formed by approximately triangular depressions 10 which are relatively wide in comparison to the ribs, beads or the like 9 formed by them and end at a short distance in front of the peripheral edge 11 of the base part 7 or of the middle part 8 1 and 2, the ribs, beads or the like 9 can either have a curvature which corresponds to the direction of curvature of the base part 7, or a curvature which is opposite to the direction of curvature of the base part 7.
  • the direction of the curvature of the depressions 10 is in any case opposite to the direction of the curvature of the ribs, beads or the like. 9. Otherwise, the statements made in connection with the embodiment according to FIGS. 1 and 2 in connection with the alignment of the ribs, beads or the like 4 in the bottom part 2 also apply to this embodiment of the invention.
  • FIGS. 5 and 6 show the same as the representations according to FIGS. 1 to 4 of a container 12, which is not shown in any other way, the round, concavely curved base part 13 with subsequent, rising central part 14.
  • the base part 13 are - from one in starting in the middle of the bottom part 13, unspecified area - arranged in the radial direction and thus - as in the case of the embodiments according to FIGS , Beads or the like. 15 provided.
  • the ribs, beads or the like. 15 extend into the circumferential edge 16 of the bottom part 13 or middle part 14 and therefore interrupt the course of the edge 16 at the relevant points. Also in the case of this exemplary embodiment, the ribs, beads or the like.
  • the mentioned ribs, beads or the like are also advantageous in embodiments such as those shown in FIGS. 1, 2 and 3, 4 to extend into the edge 5 or 11 of the base part 2 or 7.
  • This uses another possibility to set the degree of stiffening as high as possible. This then results in an edge for the base part in question, which is no longer continuously circular, but is interrupted in its - generally circular - course in accordance with the width and number of ribs, beads or the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Stackable Containers (AREA)

Abstract

L'invention concerne un contenant, notamment une boîte, en tôle à paroi mince, constitué d'une partie fond (2), produite d'une seule pièce par extrusion, et d'une partie centrale (3) qui s'élève de manière tubulaire. La partie centrale (3) est fermée par un couvercle qui est relié à la partie centrale (3) par sertissage et qui présente une ouverture main-fer blanc dégageant une ouverture du contenant. La production de ces boîtes servant d'emballage jetable pour des boissons de tout type entraîne une consommation importante de matériau (aluminium, fer blanc). L'invention vise à réduire cette consommation de matériau. A cet effet, au moins la partie fond (2), ainsi qu'éventuellement le couvercle, sont pourvus de nervures, moulures ou similaires (4) qui s'étendent du centre de la partie fond (2) ou du couvercle en direction du bord (5) de la partie fond (2) ou du couvercle. Le renforcement important, ainsi obtenu, de la partie fond (2) ou du couvercle permet de réaliser une partie fond (2) ou un couvercle nettement plus minces, pour une rigidité inchangée, et d'économiser ainsi des matériaux.
PCT/DE1998/001554 1996-12-01 1998-06-07 Contenant, notamment boite, en tole a paroi mince WO1999064181A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE29723382U DE29723382U1 (de) 1996-12-01 1997-03-05 Behälter, insbesondere Dose aus dünnwandigem Blech
PCT/DE1998/001554 WO1999064181A1 (fr) 1996-12-01 1998-06-07 Contenant, notamment boite, en tole a paroi mince

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19649626 1996-12-01
DE29723382U DE29723382U1 (de) 1996-12-01 1997-03-05 Behälter, insbesondere Dose aus dünnwandigem Blech
DE19708826A DE19708826C3 (de) 1996-12-01 1997-03-05 Behälter, insbesondere Dose, aus dünnwandigem Blech
PCT/DE1998/001554 WO1999064181A1 (fr) 1996-12-01 1998-06-07 Contenant, notamment boite, en tole a paroi mince

Publications (1)

Publication Number Publication Date
WO1999064181A1 true WO1999064181A1 (fr) 1999-12-16

Family

ID=27436518

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1998/001554 WO1999064181A1 (fr) 1996-12-01 1998-06-07 Contenant, notamment boite, en tole a paroi mince

Country Status (1)

Country Link
WO (1) WO1999064181A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2527085A (en) * 1947-12-02 1950-10-24 Kenneth S Snow Aluminum lightweight basket
FR1507768A (fr) * 1967-01-11 1967-12-29 Hesser Ag Maschf Récipient d'emballage, notamment pour liquides
US4037752A (en) * 1975-11-13 1977-07-26 Coors Container Company Container with outwardly flexible bottom end wall having integral support means and method and apparatus for manufacturing thereof
US4245685A (en) * 1978-08-15 1981-01-20 Mallinckrodt, Inc. Protective carrier
US4953738A (en) * 1988-02-19 1990-09-04 Stirbis James S One piece can body with domed bottom
DE19613765A1 (de) * 1996-04-04 1997-10-09 Rudolf Klaschka Kondensatorbechergehäuse

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2527085A (en) * 1947-12-02 1950-10-24 Kenneth S Snow Aluminum lightweight basket
FR1507768A (fr) * 1967-01-11 1967-12-29 Hesser Ag Maschf Récipient d'emballage, notamment pour liquides
US4037752A (en) * 1975-11-13 1977-07-26 Coors Container Company Container with outwardly flexible bottom end wall having integral support means and method and apparatus for manufacturing thereof
US4245685A (en) * 1978-08-15 1981-01-20 Mallinckrodt, Inc. Protective carrier
US4953738A (en) * 1988-02-19 1990-09-04 Stirbis James S One piece can body with domed bottom
DE19613765A1 (de) * 1996-04-04 1997-10-09 Rudolf Klaschka Kondensatorbechergehäuse

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