EP0806370B1 - Fût - Google Patents

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Publication number
EP0806370B1
EP0806370B1 EP19970810269 EP97810269A EP0806370B1 EP 0806370 B1 EP0806370 B1 EP 0806370B1 EP 19970810269 EP19970810269 EP 19970810269 EP 97810269 A EP97810269 A EP 97810269A EP 0806370 B1 EP0806370 B1 EP 0806370B1
Authority
EP
European Patent Office
Prior art keywords
edge
cover
membrane
container
flange
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP19970810269
Other languages
German (de)
English (en)
Other versions
EP0806370A1 (fr
Inventor
Siegfried Frei
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0806370A1 publication Critical patent/EP0806370A1/fr
Application granted granted Critical
Publication of EP0806370B1 publication Critical patent/EP0806370B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0006—Upper closure
    • B65D2251/0018—Upper closure of the 43-type
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0068—Lower closure
    • B65D2251/0093—Membrane

Definitions

  • the invention relates to a container according to Preamble of claim 1 and as known from CH-A-468 286.
  • Containers made of sheet metal which have to be closed again after the first opening, often have an insert lid.
  • Push-in lids are expensive because their manufacture requires a lot of sheet metal.
  • a ring that can be placed on the container body and secondly the lid that can be inserted into the ring must be produced.
  • a container is already known in which an aluminum foil is glued into the upper fuselage area, the part closing the fuselage opening coming to lie at a distance from the upper edge of the container fuselage. If powdery goods that contain a high proportion of air are filled into such containers, also called cans, the sealing membrane bulges upwards as soon as the containers are taken to higher areas, e.g. when hiking in the mountains, or when they are heated .
  • the object of the present invention is to create a Container made of sheet metal, the lid of which one is opening the top of the fuselage Closure membrane reduced and with which a container after the removal of the sealing membrane after the product has been removed can be closed again.
  • the container according to the invention comprises a lid and an inverted edge, one at the retracted end of the Fuselage attached under the flare so that when increasing the internal pressure or reducing the External pressure the holding force on the edge of the slip attached nose on the rolled edge increases and that on the Forces acting on the lid base of the sealing membrane supports.
  • the lid according to the invention ensures that one at the top of the flare glued / sealed membrane held securely and one unwanted detachment is prevented.
  • By moving in, also called necking it is the upper edge of the fuselage possible to use a lid whose Outside diameter the outside diameter of the rolled edge on Bottom of the container corresponds. This allows such Cans in stores where the replenishment of the Back of the sales racks is done in the racks curl up.
  • the containers according to the invention behave consequently, similar to the conventional sheet metal container rolled-up base and lid made of sheet metal.
  • the Production of the can according to the invention is inexpensive and their disposal completely unproblematic, since the Plastic lid and mostly made of aluminum or a composite membrane made of metal Container body can be removed without tools and thus after Materials can be disposed of separately.
  • the container 1 shown in Figure 1 comprises a body 3, which is cylindrical in the example shown; but it can also have a different geometry without further ado.
  • a floor 5 is rolled up in a conventional manner.
  • a slip lid 7 made of plastic is placed on the upper edge 9 of the fuselage 3.
  • the design of the cover 7 and the upper edge 9 of the fuselage 3 is explained in more detail with reference to FIGS. 2 and 3.
  • the fuselage 3 is shown shortened in the axial direction.
  • the upper edge 9 of the fuselage 3 is conical, ie the fuselage 3 is drawn in or necked in this area. The retraction allows the flange 11 attached to the upper edge 9 of the fuselage 3 to be arranged within the diameter D 2 .
  • the outer diameter D 1 of the flange 11 is consequently smaller than D 2 .
  • a membrane 13 made of aluminum foil or of a composite material is fastened on the flange 11 by a heat seal 15.
  • the membrane 13 serves to make the first opening of the container 1 visible. Furthermore, a gas-tight seal can be achieved with the membrane 13, which prevents the access of moisture to the filling material.
  • the membrane 13 is held on the flange 11 predominantly by the beads pressed out laterally of the apex S during heat sealing.
  • a corresponding coating 17 on the inside of the membrane 13 serves as the sealing material, which also forms the corrosion protection.
  • the coating of the rolling flange 11 or the fuselage 3 must be selected such that a connection to the coating 17 is possible.
  • connection should be peelable, ie the membrane 13 can be lifted off the rolled edge or rolled flange 11 by means of a tab, not shown.
  • the membrane 13 must be able to withstand a certain internal pressure p 1 .
  • This overpressure p 1 compared to the ambient pressure p 0 outside the container 1 can have various causes: A can filled at a low altitude above sea level, the contents of which contain a great deal of air, shows a respectable overpressure compared to that when it is brought into higher areas Atmospheric pressure. This overpressure must not lift the membrane 13 from the rolled edge 9. The seal 15 largely takes this into account.
  • the cover 7 shown in FIGS. 2 and 3 protects the membrane 13 against deformation and in the worst case also against damage due to excess pressure or external mechanical influences and thus prevents the contents from being exposed.
  • the cover 7 is designed as a slip cover and comprises a slip edge 19, the outside diameter D 3 of which is preferably the same as the outside diameter of the lower rolled edge 21, which connects the bottom 5 to the fuselage 3.
  • the lip edge diameter corresponds to the diameter of the fuselage 3.
  • the radial thickness (s) of the lip lip 19 is greater in relation to the thickness (d) of the lid base 23 in order to stiffen the edge region of the lid 7.
  • a nose 25 is formed on the inside of the lip 19, which engages under the roller flange 11.
  • the conical lateral surface 27, which connects the front end of the nose 25 and the lower edge 29 of the lip 19, is preferably at a distance x from the approximately conical upper end 9 of the fuselage 3.
  • a circumferential rib 31 can be formed on the lid base 23, which serves to center another can placed on the lid 7.
  • the nose 25 is preferably designed as a circumferential rib; it could also be made up of a large number of individual sections.
  • the membrane 13 is applied to the edge 9 of the container 1 by heat sealing in a manner known per se. After the sealing, during which the membrane 13 is held taut, the latter lies, as shown in FIG. 2, slightly convex against the inside of the can and not exactly in the plane of the edge 9.
  • the nose 25 engages under the rolled edge 11 and thus holds the lid 7 on the container 1.
  • the membrane 13 rises and comes into contact with the underside of the lid base 23 of the lid 7 This now supports the membrane 13 against further bulging. Due to the axially upward force acting on the lid base 23, the nose 25 engages deeper and deeper under the rolled edge 11. As a result, the lid 7 is held more firmly. Thanks to the stiff design of the lip 19, the deformation of the cover 7 remains low even with increased internal pressure p 1 .
  • the lid base 23 is designed to be axially cambered in the direction of the container 1 and, at normal pressure p 0 , lies against the membrane 13, which is also curved inwards, in the filling space of the container 1. Even a slight increase in the internal pressure causes the membrane 13 to be supported on the cover 23. This allows the strength and / or thickness of the membrane to be reduced without having to accept disadvantages with regard to fracture resistance.
  • These properties of the cover 7 are of course not only present when a membrane 13 hermetically seals the inside of the container 1, but also after the first opening. This takes place by lifting off the cover 7, in which the lower edge 29 is gripped, lifted off and then the membrane 13 is peeled off from the flange 11 with the corresponding tab. After the filling material has been removed, the lid 7 can be placed on the flange 11 and pressed onto it axially. He then essentially hermetically seals the container 1 again.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Claims (5)

  1. Fût (1) comprenant un corps (3) et un fond (5) en tôle, ainsi qu'un couvercle (7) destiné à refermer le fût (1), couvercle en matière plastique à poser sur un repli de bordage (11) prévu au bord supérieur (9) du corps (3), avec un fond de couvercle (23) et un bord embouti (19) sur la face intérieure duquel est formé une nez (25) qui vient se positionner sous le repli de bordage (11), et une membrane (13) déchirable ou pelable scellée sur le sommet (S) du repli de bordage (11), fût caractérisé en ce que le bord (9) du corps (3) se trouvant du côté du couvercle est en retrait, de telle façon que le diamètre extérieur (D1) du repli de bordage (11) situé du côté du couvercle est compris dans le diamètre (D2) du corps (3) et que le diamètre extérieur (D3) du couvercle (7) est inférieur ou égal au diamètre extérieur d'un bord inférieur roulé (21) entre le corps et le fond.
  2. Fût selon la revendication 1, caractérisé en ce que le fond (23) du couvercle est plan ou bombé en direction de la face intérieure du fût et se trouve à une courte distance de la surface de la membrane (13).
  3. Fût selon l'une des revendications 1 ou 2, caractérisé en ce que l'épaisseur radiale (s) du bord embouti (19) est supérieure à l'épaisseur (d) du fond (23) du couvercle.
  4. Fût selon l'une des revendications 1 à 3, caractérisé en ce que la face sensiblement conique (27) reliant l'arête inférieure (29) du bord embouti (19) au nez (25) se trouve à une distance (x) de la surface de la partie du corps (3) qui est en retrait.
  5. Fût selon l'une des revendications 1 à 4, caractérisé en ce que le nez (25) se présente sous la forme d'une nervure périphérique ou d'une pluralité de portions nervurées individuelles.
EP19970810269 1996-05-06 1997-04-30 Fût Expired - Lifetime EP0806370B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH114996 1996-05-06
CH114996 1996-05-06
CH1149/96 1996-05-06

Publications (2)

Publication Number Publication Date
EP0806370A1 EP0806370A1 (fr) 1997-11-12
EP0806370B1 true EP0806370B1 (fr) 2000-06-28

Family

ID=4203636

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970810269 Expired - Lifetime EP0806370B1 (fr) 1996-05-06 1997-04-30 Fût

Country Status (2)

Country Link
EP (1) EP0806370B1 (fr)
DE (1) DE59701928D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6857310B2 (en) 2001-10-24 2005-02-22 Siemens Aktiengesellschaft Method and system for determining wheel position

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29712611U1 (de) 1997-07-17 1997-09-18 Weidenhammer Packungen Kg Gmbh & Co, 68766 Hockenheim Kombidose mit Außenbördel und Stülpdeckel
DE10152340B4 (de) 2001-10-24 2004-11-18 Siemens Ag System und Verfahren zur Überwachung der Räder eines Kraft-fahrzeuges
US8746489B2 (en) 2008-06-03 2014-06-10 Valspar Sourcing, Inc. Easy-open container and container coating

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2535840A (en) * 1948-04-19 1950-12-26 Continental Can Co Container top and closure therefor
BE657006A (fr) * 1963-12-13
CH468286A (de) * 1968-02-06 1969-02-15 Ernst & Co Blechdosen Und Kron Zylinderförmiger Behälter mit Stülpdeckel aus Kunststoff
US4044941A (en) * 1976-04-12 1977-08-30 Knudsen David S Container closed by a membrane type seal
US4709832A (en) * 1985-11-12 1987-12-01 Jim Mantyla Flexible closure for resealing containers
IT229364Y1 (it) * 1992-09-14 1998-07-02 Ocm Srl Contenitore metallico con coperchio lacerabile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6857310B2 (en) 2001-10-24 2005-02-22 Siemens Aktiengesellschaft Method and system for determining wheel position

Also Published As

Publication number Publication date
DE59701928D1 (de) 2000-08-03
EP0806370A1 (fr) 1997-11-12

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