US3814279A - Lid for metal can and the like, particularly food can - Google Patents

Lid for metal can and the like, particularly food can Download PDF

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Publication number
US3814279A
US3814279A US00244148A US24414872A US3814279A US 3814279 A US3814279 A US 3814279A US 00244148 A US00244148 A US 00244148A US 24414872 A US24414872 A US 24414872A US 3814279 A US3814279 A US 3814279A
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US
United States
Prior art keywords
lid
center
steps
order
generally
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
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US00244148A
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English (en)
Inventor
J Rayzal
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.)
JJ Carnaud and Forges de Basse Indre SA
Original Assignee
JJ Carnaud and Forges de Basse Indre SA
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 JJ Carnaud and Forges de Basse Indre SA filed Critical JJ Carnaud and Forges de Basse Indre SA
Application granted granted Critical
Publication of US3814279A publication Critical patent/US3814279A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
    • B21D51/44—Making closures, e.g. caps
    • 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
    • B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
    • B65D7/12—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls
    • B65D7/34—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls with permanent connections between walls
    • B65D7/36—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls with permanent connections between walls formed by rolling, or by rolling and pressing
    • 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
    • B65D79/00—Kinds or details of packages, not otherwise provided for
    • B65D79/005—Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting
    • B65D79/0087—Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting the deformable part being located in a closure, e.g. in caps or lids
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S220/00—Receptacles
    • Y10S220/19—Rubber plugs and caps

Definitions

  • the disclosure relates to a lid for metal can or other packaging, the lid comprises in combination the following characteristics: slight sag at center; narrow cup bottom; high number of steps with each step ascending from the periphery of the lid toward its center; a bevel following each step and connected thereto by a relatively large radius.
  • cans are generally cylindrical with a base that is circular or not, for example, oval or quadrangular.
  • Such a can is made up either of a tubular body closed at each end by a lid added most often by crimping, or of a body closed at one end by a lid made one piece with it, such as by die stamping, and at the other end by a lid added most often by crimping.
  • these lids are, overall, concave in relation to the outside of the can.
  • these lids have to be able to move elastically to take the variations of inside pressure due to modifications of temperature in the can; when the temperature rises, this internal pressure increases and causes such a deformation in the lids that their concave profile becomes convex; at the time of cooling, the drop in internal pressure in the can causes a suction whereby the two lids of such a can undergo a deformation in the direction opposite the previous one, and their convex profile becomes concave again.
  • the lids of present cans resist for a certain time, during the heat sterilization process of the can, the increase of internal pressure so that they suddenly deform outward, taking-on a convex profile; it is commonly said that they pop.
  • the present invention has particularly for its object a lid for a metal can or other packaging, in particular for food cans, able to deform very gradually under the action of pressure variations inside the can during sterilization treatment.
  • the present invention further has for its object a can thus provided with such a lid, and particularly a metal can for food products.
  • the lid according to the invention results from numerous tests and studies made particularly on its profile.
  • the lid according to the invention results from various compromises made over along period, after very many tests, trials and errors relating to the modifcation of the various characteristics'of the profile of these cans.
  • the crimping edge or flange of the lid is, overall, horizontal, its plane then serving as the plane of reference, and there will be taken as the dimension of reference the nominal diameter of the wall approximately vertical, usually consecutive to this crimping edge or flange, known as a cup or chuck wall, this nominal diameter actually corresponding to the diameter of the mandrel or chuck necessary for crimping or seaming of this lid.
  • a lid for a metal can is of the type comprising from the periphery to the center, a crimping edge or flange more or less bent for lap jointing, assumed hereafter to be, overall, horizontal, a fairly vertical wall known as the cup or chuck wall, of diameter D, a fairly horizontal area, known as the cup bottom or end wall, a projecting flexibility ring, a succession of steps each followed by an intermediate bevel between-two connecting fillets, and a central zone called the rosette, not having any local deformation, and is characterized by the combination of the following elements:
  • the sag at the center i.e., the vertical distance between the horizontal plane of the crimping edge and the center of the rosette is less than 0.06 D and preferably close to 0.05 D;
  • the width of the cup bottom, between the connecting fillets and parallel to the horizontal plane of the crimping edge is less than 0.036 D;
  • each step ascends, from the periphery toward the center;
  • the radius of at least some of the connecting fillets associated with bevels is at least close to 0.0l D and preferably at least close to 0.02 D.
  • central rosette of the lid according to the invention is preferably fairly plane.
  • the invention further has for its object a lid of the type mentioned above, characterized in that each of the steps rises from the periphery toward the center.
  • the lid according to the invention does not pop suddenly during this sterilization process, as comparable lids known so far.
  • the lid according to the invention very gradually deforms, which advantageously leads to a gradual increase of the internal volume of the can equipped with the lid.
  • the lid according to the invention gradually returns to its initial concave configuration.
  • FIG. 1 is a partial perspective view of a food can to which the invention is applied;
  • FIG. 2 is a partial view in axial section of this can, considered as equipped with a known type lid;
  • FIG. 3 is an enlarged sectional view of the partial lid of FIG. 2 before its crimping on such a can;
  • FIG. 4 is a half view in axial section on the same scale as FIG. 3 of a lid according to the invention.
  • FIG. 1 there is illustrated a metal can of the type comprising a body 10 on which a conventional lid 11 is added by crimping or seaming.
  • the conventional lid 11 has, overall, a concave profile in relation to the outside, as indicated by solid lines, and at the time of the process of sterilization of the can, it is supposed to be able, on the one hand, temporarily to take a convex 4, profile,as indicated by broken lines in FIG. 2, and on the other hand, come back to its initial concave profile.
  • the lid is illustrated in greater detail in FIG. 3 wherein, on an enlarged scale, a half view in axial section of the lid 11 before crimping is shown.
  • such a lid 11 comprises successively, from its periphery to its center:
  • crimping edge or flange 12 more or less bent for lap jointing or seaming.
  • this crimping edge or flange I2 overall, is fairly horizontal, and the horizontal plane P of this edge will be taken as the plane of reference;
  • the cup or chuck wall 13 will be defined by the tangent to its connecting fillet 13a with cup bottom 14, anddiameter D of this cup thus defined will be takenas the base dimension; also width L of the cup bottom 14 will be defined by the distance separating the tangents to the connecting fillets 13a and 14a which connect it, one to cup 13,
  • I. sag F at the center of the lid i.e., the distance separating horizontal plane P of crimping edge 12 from the center of central rosette 18 is most often equal to at least 0.07 D;
  • width L of the cup bottom 14 is at least equal to 3.
  • number n of steps 16 is close to D/50, D being expressed in millimeters;
  • each step 16 descends from its periphery toward the lid center, i.e., its slope p in relation to a plane parallel to plane of reference P is negative.
  • the lid according to the invention as illustrated in FIG. 4, and generally identified by the numeral 20 but with the components thereof identified by the same reference numerals as like components of the lid 11, comprises the following characteristics:
  • the number of steps 16 is two in the standard lid 11 and three in the lid 20 according to the invention;
  • each step 16 ascends from the periphery of the lid 20 toward its center, i.e.. its slope p in relation to a plane parallel to plane of reference P is positive;
  • the radius of at least some of the connecting fillets connecting a bevel 17 either to adjacent steps 16 or to the central rosette 18, is at least on the order of 0.015 D and preferably at least on the order of 0.02 D;
  • lid application intended for AFNOR l/ 1 cans
  • the lid according to the invention presents a great flexibility and is actually capable of a gradual deformation when it is subjected to variations of internal pressure of the can to which it is attached.
  • This increase of flexibility can be characterized by the variations of volume of this can depending on its internal pressure.
  • a new article of manufacture comprising a lid for attachment to a metal can and the like, particularly for food can, said lid in its free state comprising, in order from the periphery of the lid toward the center of the lid, a crimping edge configurated for lap jointing and generally lying in a horizontal plane, a generally vertical cup wall of diameter D, a generally horizontal cup bottom, a projecting flex facilitating ring, a succession of steps each followed by an intermediate bevel between two connecting fillets, and a central rosette generally free of local deformation, said lid being characterized in that said central rosette lies below said generally horizontal cup bottom and each step ascends from the periphery toward the center.
  • a lid according to claim 1 characterized in that the central rosette is generally planar.
  • a can particularly a metal can for foods, provided with at least one lid according to claim 1.
  • the sag at the center i.e., the vertical distance between the horizontal plane of the crimping edge and the center of the rosette is less than 0.06 D;
  • the width of the cup bottom, between connecting fillets and parallel to the horizontal plane of the crimping edge is less than 0.036 D;
  • the radius of at least some of the connecting fillets associated with the bevels is at least on the order of 0.015 D.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Closures For Containers (AREA)
US00244148A 1971-05-18 1972-04-14 Lid for metal can and the like, particularly food can Expired - Lifetime US3814279A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7117897A FR2137293B1 (nl) 1971-05-18 1971-05-18

Publications (1)

Publication Number Publication Date
US3814279A true US3814279A (en) 1974-06-04

Family

ID=9077218

Family Applications (1)

Application Number Title Priority Date Filing Date
US00244148A Expired - Lifetime US3814279A (en) 1971-05-18 1972-04-14 Lid for metal can and the like, particularly food can

Country Status (6)

Country Link
US (1) US3814279A (nl)
CA (1) CA961429A (nl)
FR (1) FR2137293B1 (nl)
GB (1) GB1328070A (nl)
IT (1) IT954796B (nl)
NL (1) NL170115C (nl)

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3979009A (en) * 1975-03-21 1976-09-07 Kaiser Aluminum & Chemical Corporation Container bottom structure
US4010867A (en) * 1974-02-04 1977-03-08 United Can Company Two-piece can construction
US4199073A (en) * 1978-08-04 1980-04-22 Gombas Laszlo A Can end configuration
US4249666A (en) * 1977-03-02 1981-02-10 Solvay & Cie Hollow body of thermoplastic material
US4467933A (en) * 1981-10-16 1984-08-28 American Can Company Warp resistant closure for sanitary cans
US4560080A (en) * 1981-04-10 1985-12-24 The Continental Group, Inc. Reinforced structure for steel ends of cylindrical shipping containers
US4655358A (en) * 1981-03-10 1987-04-07 American Can Company Bottom profile
US4760935A (en) * 1984-12-18 1988-08-02 Den Beld Paul Christiaan H Van Plastic closure plug
US4834256A (en) * 1987-07-31 1989-05-30 Pac International, Inc. Can with domed bottom structure
US5046637A (en) * 1988-04-29 1991-09-10 Cmb Foodcan Plc Can end shells
US5381683A (en) * 1991-06-13 1995-01-17 Carnaudmetalbox Plc Can ends
US5804237A (en) * 1995-10-16 1998-09-08 George B. Diamond Method of and package for sterilized edible material
US6068154A (en) * 1997-05-14 2000-05-30 Grabher; Werner Can having a closure membrane and an inverted lid
WO2001054983A1 (en) * 2000-01-27 2001-08-02 Diamond George B Apparatus having a guard for preventing splashing
US20030173367A1 (en) * 1999-12-08 2003-09-18 Nguyen Tuan A. Metallic beverage can end with improved chuck wall and countersink
US20060042344A1 (en) * 2004-07-29 2006-03-02 Bathurst Jess N Method and apparatus for shaping a metallic container end closure
US20060071005A1 (en) * 2004-09-27 2006-04-06 Bulso Joseph D Container end closure with improved chuck wall and countersink
US20070007294A1 (en) * 2005-07-01 2007-01-11 Jentzsch Kevin R Method and apparatus for forming a reinforcing bead in a container end closure
US20070071856A1 (en) * 2003-10-29 2007-03-29 Benge Terence A Can end
US20080230548A1 (en) * 1999-12-08 2008-09-25 Metal Container Corporation Can lid closure
US20090261099A1 (en) * 2006-02-03 2009-10-22 Impress Metal Packaging S.A. Expandable container having lid for providing headspace control in a food can
US20100108679A1 (en) * 2007-02-14 2010-05-06 Impress Group B.V. Can, and a Body and Panel Therefor
US8313004B2 (en) 2001-07-03 2012-11-20 Ball Corporation Can shell and double-seamed can end
US8371467B2 (en) 2002-06-11 2013-02-12 Crown Packaging Technology, Inc. Easily openable can lid having a movable portion
US8727169B2 (en) 2010-11-18 2014-05-20 Ball Corporation Metallic beverage can end closure with offset countersink
US20140193223A1 (en) * 2010-10-18 2014-07-10 Stolle Machinery Company, Llc Can end with retort resistant panel, and tooling and associated method for providing same
US20140263372A1 (en) * 2013-03-15 2014-09-18 Silgan Containers Llc Container with concentric segmented can bottom
WO2020174201A1 (fr) * 2019-02-28 2020-09-03 Bonduelle Boite de conserve

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397333A2 (fr) * 1977-05-17 1979-02-09 Ferembal Sa Perfectionnements aux fonds soufflets notamment pour boites a conserves
GB2119743B (en) * 1982-04-19 1986-02-12 American Can Co Buckle-resistant cans and a method of making them
FR2753684B1 (fr) * 1996-09-25 1998-10-16 Lorraine Laminage Fond de boite metallique alimentaire

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2652169A (en) * 1948-02-24 1953-09-15 Paul E Brusienski Hand pressure released container opening
US3105765A (en) * 1962-02-19 1963-10-01 Gen Foods Corp Evacuated coffee package
US3160302A (en) * 1960-11-03 1964-12-08 Continental Can Co Conainer closure
US3400853A (en) * 1965-01-18 1968-09-10 Platmanufakter Ab Can for filling with hot goods

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2652169A (en) * 1948-02-24 1953-09-15 Paul E Brusienski Hand pressure released container opening
US3160302A (en) * 1960-11-03 1964-12-08 Continental Can Co Conainer closure
US3105765A (en) * 1962-02-19 1963-10-01 Gen Foods Corp Evacuated coffee package
US3400853A (en) * 1965-01-18 1968-09-10 Platmanufakter Ab Can for filling with hot goods

Cited By (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010867A (en) * 1974-02-04 1977-03-08 United Can Company Two-piece can construction
US3979009A (en) * 1975-03-21 1976-09-07 Kaiser Aluminum & Chemical Corporation Container bottom structure
US4249666A (en) * 1977-03-02 1981-02-10 Solvay & Cie Hollow body of thermoplastic material
US4199073A (en) * 1978-08-04 1980-04-22 Gombas Laszlo A Can end configuration
US4655358A (en) * 1981-03-10 1987-04-07 American Can Company Bottom profile
US4560080A (en) * 1981-04-10 1985-12-24 The Continental Group, Inc. Reinforced structure for steel ends of cylindrical shipping containers
US4467933A (en) * 1981-10-16 1984-08-28 American Can Company Warp resistant closure for sanitary cans
US4760935A (en) * 1984-12-18 1988-08-02 Den Beld Paul Christiaan H Van Plastic closure plug
US4834256A (en) * 1987-07-31 1989-05-30 Pac International, Inc. Can with domed bottom structure
US5046637A (en) * 1988-04-29 1991-09-10 Cmb Foodcan Plc Can end shells
US5381683A (en) * 1991-06-13 1995-01-17 Carnaudmetalbox Plc Can ends
US5804237A (en) * 1995-10-16 1998-09-08 George B. Diamond Method of and package for sterilized edible material
US6068154A (en) * 1997-05-14 2000-05-30 Grabher; Werner Can having a closure membrane and an inverted lid
US7673768B2 (en) 1999-12-08 2010-03-09 Metal Container Corporation Can lid closure
US20080230548A1 (en) * 1999-12-08 2008-09-25 Metal Container Corporation Can lid closure
US20030173367A1 (en) * 1999-12-08 2003-09-18 Nguyen Tuan A. Metallic beverage can end with improved chuck wall and countersink
US7100789B2 (en) 1999-12-08 2006-09-05 Ball Corporation Metallic beverage can end with improved chuck wall and countersink
WO2001054983A1 (en) * 2000-01-27 2001-08-02 Diamond George B Apparatus having a guard for preventing splashing
US8931660B2 (en) 2001-07-03 2015-01-13 Ball Corporation Can shell and double-seamed can end
US9371152B2 (en) 2001-07-03 2016-06-21 Ball Corporation Can shell and double-seamed can end
US10843845B2 (en) 2001-07-03 2020-11-24 Ball Corporation Can shell and double-seamed can end
US8313004B2 (en) 2001-07-03 2012-11-20 Ball Corporation Can shell and double-seamed can end
US10246217B2 (en) 2001-07-03 2019-04-02 Ball Corporation Can shell and double-seamed can end
US8733576B2 (en) 2002-06-11 2014-05-27 Crown Packaging Technology, Inc. Easily openable can lid having a movable portion for pull tab access
US8371467B2 (en) 2002-06-11 2013-02-12 Crown Packaging Technology, Inc. Easily openable can lid having a movable portion
US20070071856A1 (en) * 2003-10-29 2007-03-29 Benge Terence A Can end
US20060042344A1 (en) * 2004-07-29 2006-03-02 Bathurst Jess N Method and apparatus for shaping a metallic container end closure
US7500376B2 (en) 2004-07-29 2009-03-10 Ball Corporation Method and apparatus for shaping a metallic container end closure
US20060071005A1 (en) * 2004-09-27 2006-04-06 Bulso Joseph D Container end closure with improved chuck wall and countersink
US7938290B2 (en) 2004-09-27 2011-05-10 Ball Corporation Container end closure having improved chuck wall with strengthening bead and countersink
US8505765B2 (en) * 2004-09-27 2013-08-13 Ball Corporation Container end closure with improved chuck wall provided between a peripheral cover hook and countersink
US8235244B2 (en) 2004-09-27 2012-08-07 Ball Corporation Container end closure with arcuate shaped chuck wall
US20120292329A1 (en) * 2004-09-27 2012-11-22 Ball Corporation Container End Closure With Improved Chuck Wall and Countersink
US7743635B2 (en) 2005-07-01 2010-06-29 Ball Corporation Method and apparatus for forming a reinforcing bead in a container end closure
US7506779B2 (en) 2005-07-01 2009-03-24 Ball Corporation Method and apparatus for forming a reinforcing bead in a container end closure
US8205477B2 (en) 2005-07-01 2012-06-26 Ball Corporation Container end closure
US20070007294A1 (en) * 2005-07-01 2007-01-11 Jentzsch Kevin R Method and apparatus for forming a reinforcing bead in a container end closure
US10017313B2 (en) * 2006-02-03 2018-07-10 Ardagh Mp Group Netherlands B.V. Expandable container having lid for providing headspace control in a food can
US20090261099A1 (en) * 2006-02-03 2009-10-22 Impress Metal Packaging S.A. Expandable container having lid for providing headspace control in a food can
US20160355316A1 (en) * 2006-02-03 2016-12-08 Ardagh Mp Group Netherlands B.V. Expandable container having lid for providing headspace control in a food can
US9617056B2 (en) 2006-02-03 2017-04-11 Ardagh Mp Group Netherlands B.V. Expandable container having lid for providing headspace control in a food can
US20100108679A1 (en) * 2007-02-14 2010-05-06 Impress Group B.V. Can, and a Body and Panel Therefor
US9616483B2 (en) * 2010-10-18 2017-04-11 Stolle Machinery Company, Llc Can end with retort resistant panel, and tooling and associated method for providing same
US20140193223A1 (en) * 2010-10-18 2014-07-10 Stolle Machinery Company, Llc Can end with retort resistant panel, and tooling and associated method for providing same
US8727169B2 (en) 2010-11-18 2014-05-20 Ball Corporation Metallic beverage can end closure with offset countersink
US20140263372A1 (en) * 2013-03-15 2014-09-18 Silgan Containers Llc Container with concentric segmented can bottom
WO2020174201A1 (fr) * 2019-02-28 2020-09-03 Bonduelle Boite de conserve
FR3093327A1 (fr) * 2019-02-28 2020-09-04 Bonduelle Boîte de conserve

Also Published As

Publication number Publication date
DE2224084A1 (de) 1972-11-30
DE2224084B2 (de) 1976-08-19
NL170115B (nl) 1982-05-03
FR2137293B1 (nl) 1974-03-22
GB1328070A (en) 1973-08-30
CA961429A (en) 1975-01-21
NL7206057A (nl) 1972-11-21
IT954796B (it) 1973-09-15
FR2137293A1 (nl) 1972-12-29
NL170115C (nl) 1982-10-01

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