EP0516204A1 - Boîte métallique ayant un bourrelet de renforcement - Google Patents

Boîte métallique ayant un bourrelet de renforcement Download PDF

Info

Publication number
EP0516204A1
EP0516204A1 EP92201254A EP92201254A EP0516204A1 EP 0516204 A1 EP0516204 A1 EP 0516204A1 EP 92201254 A EP92201254 A EP 92201254A EP 92201254 A EP92201254 A EP 92201254A EP 0516204 A1 EP0516204 A1 EP 0516204A1
Authority
EP
European Patent Office
Prior art keywords
zone
bead
pressed
inward
extending
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.)
Granted
Application number
EP92201254A
Other languages
German (de)
English (en)
Other versions
EP0516204B1 (fr
Inventor
Jan Van Der Veen
Sybren Ytsma
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.)
Thomassen and Drijver Verblifa NV
Original Assignee
Thomassen and Drijver Verblifa NV
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 Thomassen and Drijver Verblifa NV filed Critical Thomassen and Drijver Verblifa NV
Publication of EP0516204A1 publication Critical patent/EP0516204A1/fr
Application granted granted Critical
Publication of EP0516204B1 publication Critical patent/EP0516204B1/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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0214—Removable lids or covers without integral tamper element secured only by friction or gravity
    • B65D43/022—Removable lids or covers without integral tamper element secured only by friction or gravity only on the inside, or a part turned to the inside, of the mouth of the container
    • 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
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B21D51/30—Folding the circumferential seam
    • B21D51/32—Folding the circumferential seam by rolling
    • 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
    • B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
    • B65D45/32—Clamping or other pressure-applying devices for securing or retaining closure members for applying radial or radial and axial pressure, e.g. contractible bands encircling closure member
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00092—Shape of the outer periphery curved circular
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00277—Metal
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00509—Cup
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • B65D2543/00546—NO contact
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00953—Sealing means
    • B65D2543/00962—Sealing means inserted
    • B65D2543/00972—Collars or rings

Definitions

  • the invention relates to a metal can comprising a bottom and a standing wall which is connected thereto and whereof the zone remote from the bottom comprises an outwardly extending bead having in cross section a first part extending through about 360°, a second part lying against the first part and extending through about 90°-120° and a third part connecting thereto with a considerably smaller radius of curvature.
  • a metal can comprising a bottom and a standing wall which is connected thereto and whereof the zone remote from the bottom comprises an outwardly extending bead having in cross section a first part extending through about 360°, a second part lying against the first part and extending through about 90°-120° and a third part connecting thereto with a considerably smaller radius of curvature.
  • a metal can comprising a bottom and a standing wall which is connected thereto and whereof the zone remote from the bottom comprises an outwardly extending bead having in cross section a first part extending through about 360°, a second part lying against the first part and
  • the object of the invention is to improve the reliability of the closure as far as possible. Since it is known that a bead tends to continuously deform, the invention proposes means for preventing this tendency so that a can once closed in the manner described preserves its tightly closed state.
  • the invention provides a can of the type described which has the feature that the first part is pressed inward in its most outwardly located peripheral zone.
  • the inward pressed peripheral zone also provides an action comparable to the action of a hooking edge, while the advantage is also achieved that the bead has an increased rigidity or, if the rigidity is to remain constant, can be manufactured from a smaller quantity of material.
  • the inward pressed peripheral zone can be obtained by techniques per se known from the metal working art and mechanical engineering, such as performing a deforming operation by means of moulds or performing a rolling operation.
  • a rolling operation can have the advantage that through a number of deforming cycles the degree of deforming per cycle can remain limited. Use can for example be made of a set of rollers placed on one deforming station.
  • the can according to the invention preferably has the feature that the second part extends through about 90°.
  • the rigidity is particularly stimulated with a variant in which the inward pressed zone is pressed against the third part such that the third part is correspondingly deformed and presses against the zone over a considerable surface.
  • the can has the feature that the inward pressed zone is flat in cross section.
  • the variant is advantageous in which the zone situated beneath the inward pressed zone extends further outward than the zone situated above the inward pressed zone.
  • the can preferably has the feature that the portion of the bead facing toward the standing wall is substantially arcuate in cross section through about 180°.
  • the bottom surface and the top surface in axial direction of the bead can be substantially flat.
  • the height of the bead can be equal to the height of the bead normally in use up to the present time. Thus achieved here is that no further alterations in the setting of machines is necessary.
  • Figure 1 shows a metal can 1 according to the prior art comprising a bottom 2 and, connected thereto, a standing wall 3 in which the zone remote from the bottom 2 comprises an outward extending bead 4 (also see figure 3) having in section a first part 5 extending through about 360°, a second part 6 lying against the first part 5 and extending through about 90°-120° and a third part 7 connecting thereto with a considerably smaller radius of curvature.
  • Figure 3 shows the can 1 before it is closed by a lid 8.
  • Figure 2 shows the can 1 after it has been closed by the lid 8.
  • Figure 3 shows the manner in which the lid 8 co-acts with the can 1.
  • a filler mass or compound 10 is situated between the rim 9 of the lid 8 and the top surface of the bead 4. This mass serves to seal the lid 8 relative to the can 1.
  • the figures 4, 5, 6 and 7 show schematically a finishing operation on the bead 4 which has for its object to press inward the first part 5 in its peripheral zone lying furthest to the outside.
  • a profile roller 12 rotatably supported by rotation bearings 20 and a pressing roller 13.
  • the latter has a pressing surface 14 the shape of which corresponds with the portion of the first part 5 of the bead 4 connecting to the wall 3.
  • the pressing roller 13 can be moved toward the profile roller 12 whereby the first part 5 comes into engagement in its peripheral zone 16 lying furthest to the outside with a modelling surface 17, the profiled shape of which can be seen in figures 4, 5 and 6.
  • FIGS 5 and 6 show that the peripheral zone 16 has obtained a shape which corresponds with the shape of the modelling surface 17.
  • the peripheral zone is therefore designated with 16' in figures 5 and 6. It is apparent that this peripheral zone has an inwardly pressed portion 18.
  • Figure 7 shows very schematically a rotatably arranged positioning member 18 with clamps 19 for fixedly holding the can 1 for rotation around its axis.
  • the profile roller 12 and the pressing roller 13 engage onto the bead 4 through at least one revolution.
  • the profile roller 12 has two identical modelling surfaces 17, 21.
  • the profile roller 12 can hereby be used twice if desired.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Table Devices Or Equipment (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Gasket Seals (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Sheet Holders (AREA)
  • Closures For Containers (AREA)
  • Sealing Devices (AREA)
EP92201254A 1991-05-28 1992-05-05 Boîte métallique ayant un bourrelet de renforcement Expired - Lifetime EP0516204B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9100915 1991-05-28
NL9100915A NL9100915A (nl) 1991-05-28 1991-05-28 Metalen bus met een kraalrand.

Publications (2)

Publication Number Publication Date
EP0516204A1 true EP0516204A1 (fr) 1992-12-02
EP0516204B1 EP0516204B1 (fr) 1995-08-16

Family

ID=19859291

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92201254A Expired - Lifetime EP0516204B1 (fr) 1991-05-28 1992-05-05 Boîte métallique ayant un bourrelet de renforcement

Country Status (7)

Country Link
EP (1) EP0516204B1 (fr)
AT (1) ATE126495T1 (fr)
DE (1) DE69204104T2 (fr)
DK (1) DK0516204T3 (fr)
ES (1) ES2075593T3 (fr)
GR (1) GR3017566T3 (fr)
NL (1) NL9100915A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1000121C2 (nl) * 1995-04-11 1996-10-14 Thomassen & Drijver Combinatie van een metalen bus en een deksel.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1008600B (de) * 1953-09-21 1957-05-16 Paul Reese Verschluss fuer durch Flachdeckel od. dgl. abschliessbare Gefaesse, Behaelter od. dgl.
LU67732A1 (fr) * 1972-06-05 1973-12-14
DE3714890A1 (de) * 1987-05-05 1988-12-01 Muhr & Soehne Behaelter mit nicht abnehmbarem deckel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1008600B (de) * 1953-09-21 1957-05-16 Paul Reese Verschluss fuer durch Flachdeckel od. dgl. abschliessbare Gefaesse, Behaelter od. dgl.
LU67732A1 (fr) * 1972-06-05 1973-12-14
DE3714890A1 (de) * 1987-05-05 1988-12-01 Muhr & Soehne Behaelter mit nicht abnehmbarem deckel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1000121C2 (nl) * 1995-04-11 1996-10-14 Thomassen & Drijver Combinatie van een metalen bus en een deksel.
EP0737625A1 (fr) * 1995-04-11 1996-10-16 Thomassen & Drijver-Verblifa N.V. Ensemble d'une boîte métallique pourvu d'un couvercle
WO1996032335A1 (fr) * 1995-04-11 1996-10-17 Thomassen & Drijver-Verblifa N.V. Combinaison d'une boite de conserve metallique et d'un couvercle

Also Published As

Publication number Publication date
EP0516204B1 (fr) 1995-08-16
DK0516204T3 (da) 1995-10-02
GR3017566T3 (en) 1995-12-31
ES2075593T3 (es) 1995-10-01
ATE126495T1 (de) 1995-09-15
NL9100915A (nl) 1992-12-16
DE69204104T2 (de) 1996-01-04
DE69204104D1 (de) 1995-09-21

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