EP0171650A2 - Couvercle en tôle pour boîtes de section ovale longiforme, en particulier pour boîtes de forme "Hansa" - Google Patents

Couvercle en tôle pour boîtes de section ovale longiforme, en particulier pour boîtes de forme "Hansa" Download PDF

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Publication number
EP0171650A2
EP0171650A2 EP85109047A EP85109047A EP0171650A2 EP 0171650 A2 EP0171650 A2 EP 0171650A2 EP 85109047 A EP85109047 A EP 85109047A EP 85109047 A EP85109047 A EP 85109047A EP 0171650 A2 EP0171650 A2 EP 0171650A2
Authority
EP
European Patent Office
Prior art keywords
lid
notch line
tear
cover
section
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
EP85109047A
Other languages
German (de)
English (en)
Other versions
EP0171650A3 (en
EP0171650B1 (fr
Inventor
Peter Höft
Wolfgang Peter
Heinz Hacke
Jürgen Lühr
Johann Bergsteiner
Wolfgang Drobe
Fritz Engelke
Walter Hebbinghaus
Siegfried Kuhnert
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.)
Ardagh Metal Packaging Germany GmbH
Original Assignee
Schmalback Lubeca AG
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 Schmalback Lubeca AG filed Critical Schmalback Lubeca AG
Priority to AT85109047T priority Critical patent/ATE39662T1/de
Publication of EP0171650A2 publication Critical patent/EP0171650A2/fr
Publication of EP0171650A3 publication Critical patent/EP0171650A3/de
Application granted granted Critical
Publication of EP0171650B1 publication Critical patent/EP0171650B1/fr
Expired 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
    • B65D17/4011—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening completely by means of a tearing tab

Definitions

  • the invention relates to a lid made of sheet metal for non-round cans, in particular long oval cans in e.g. Hansa format, with the features of the preamble of claim 1.
  • Lids of this type are of very large practical use and are used to close elongated, generally circular-shaped cans with a small height at the ends.
  • lids are generally designed as full tear-open lids, i.e. that after removal of the tear-open part, essentially the area of the cover mirror is exposed over practically its entire extent. Restrictions on this must be accepted to a certain extent for production-technical reasons and for reasons of the safe and easy opening of the tear-open part.
  • the tear-open part of the lid is relatively unstable and thus has a higher storage capacity for spring forces, so that it is often difficult to open such a can by the consumer without splashing the contents allow.
  • the tear force in the last third of the tear region is reduced to a great extent.
  • the result is less bulging of the tear-open part and less springback force stored in the sheet. This effect can be enhanced by a special arrangement and formation of beads or other deformations in this area.
  • the straight notch line section becomes a hinge-like line with a length that is greatly reduced compared to the width of the tear-open part.
  • the board-like end section can be swung back and forth around the line without great effort. It can be released without problems and without the tendency to spring back. This function can be further secured by increasing the remaining wall thickness in the straight notch line section, since this prevents tearing during the opening process. Such tearing leads to a strong rebound of the sheet. Opening by tearing ends at the end points of the straight notch line sections.
  • the residual wall thickness in the straight notch line section is approximately 20% to 70% larger than in the other sections.
  • the length of the chord-shaped notch line section should take up a noticeable part of the maximum width of the tear-open part.
  • the length of the chord-shaped notch line section arranged perpendicularly and symmetrically to the longitudinal center line of the cover is approximately equal to half the greatest width of the tear-open part. This applies especially to covers in Hansa format.
  • the end points of the straight notch line section can be connected to the corresponding end points of the straight notch line sections running on the long sides of the cover via a notch line region which runs in an arcuate manner or approximately parallel to the curvature of the cover outline.
  • the connecting notch line is preferably also straight, in particular tendon-shaped, in relation to the course of the core wall in the end region of the cover, the connection being able to be realized by one or more tendon-shaped notch line sections running at different inclinations to the longitudinal center line of the cover.
  • chord-shaped notch line and the lid core wall are also decisive for the length of the chord-shaped section.
  • the distance from the core wall still favors the splash-free breaking off of the tear-open part from the can.
  • the lid 1 for a can of Hansa format has the long oval outline typical of this format and, as usual, has a steep core wall 3 adjacent to the edge surfaces 2, which merges into the lid mirror 6.
  • a tear-open part 26 which takes up by far the largest part of the cover mirror and is determined by one or more score lines 10.
  • the notch line 10 is self-contained and runs on the long sides of the cover at a short distance and parallel to the core wall and in these areas consists of the straight notch line sections 12 and 13. Converge at one of the ends of the cover mirror 6 determined by the circular arc shape of the core wall 3 the score line areas to a start section 11 located near the core wall.
  • a lever-shaped grip tab 5 is fastened lying flat on the cover mirror by means of rivet 4, one end of which lies above the start section 11 of the score line, while the other end is designed as a grapple end 7 is in the direction of the longitudinal center line 8 of the cover.
  • the tear-open part in the region of the grip tab, can have two or more than two beads 9 and 9a, which extend transversely to the longitudinal center line E and are designed to be straight or slightly curved. Also in the remaining areas, the tear-open part 26 has stiffening deformations 29 and / or beads 28, which in the example shown are arranged parallel to the long sides and parallel to one another and to the longitudinal center line 8 and are distributed over the width of the tear-open part.
  • the score line has a tendon to the arcuate shape of the core wall 3 straight-running notch line section 14. In the example shown, this is arranged perpendicularly and symmetrically to the longitudinal center line 8. Measured on the longitudinal center line 8, the chord-shaped notch line section 14 is at a distance 20 from the core wall 3 which is between 2 and 15 mm. This distance is preferably between 6 and 10 mm. The length 21 of the chord-shaped notch line section between its end points 17 is preferably approximately half the maximum width 25 of the tear-open part 26.
  • the end points 17 of the chord-shaped notch line section 14 are connected to the associated end points 18 of the rectilinear notch line section 12, 13 parallel to the long side of the cover via connecting notch line sections. These can be curved, optionally also follow the circular arc shape of the core wall 3. However, this connecting notch line is preferably also rectilinear and has a tendon shape and is arranged in relation to the arc-shaped core wall. The end points 17 and 18 can thus be directly connected by a single straight-line Ke b line. In the preferred example shown, however, the connecting score line consists of two tendon-shaped sections 15 and 16, which are e-Weil straight and have different inclinations to the longitudinal center line 8.
  • the score line most expediently shows a polygonal profile, as is illustrated in FIG. 2. This does not rule out that the transitions at the polygonal corners are each formed by sections with a very small radius of curvature.
  • the sections 15, 16 of the connecting score line can be the same size or different sizes.
  • the chord-shaped notch line section 14 has a greater residual wall thickness than the remaining regions of the notch line 10. It can be 20% to 70% larger than the remaining wall thickness of the normal notch line. Deformations and / or beads 28, 29 are provided to support the board-like effect on the tendon-shaped notch line section 14.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
  • Closures For Containers (AREA)
  • Wrappers (AREA)
  • Packages (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
  • Springs (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Window Of Vehicle (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
EP85109047A 1984-08-17 1985-07-19 Couvercle en tôle pour boîtes de section ovale longiforme, en particulier pour boîtes de forme "Hansa" Expired EP0171650B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85109047T ATE39662T1 (de) 1984-08-17 1985-07-19 Deckel aus blech, insbesondere langovale dosen im z.b. hansa-format.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843430382 DE3430382A1 (de) 1984-08-17 1984-08-17 Deckel aus blech, insb. langovale dosen im z.b. hansaformat
DE3430382 1984-08-17

Publications (3)

Publication Number Publication Date
EP0171650A2 true EP0171650A2 (fr) 1986-02-19
EP0171650A3 EP0171650A3 (en) 1987-04-22
EP0171650B1 EP0171650B1 (fr) 1989-01-04

Family

ID=6243325

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85109047A Expired EP0171650B1 (fr) 1984-08-17 1985-07-19 Couvercle en tôle pour boîtes de section ovale longiforme, en particulier pour boîtes de forme "Hansa"

Country Status (18)

Country Link
US (1) US4593834A (fr)
EP (1) EP0171650B1 (fr)
JP (1) JPS6160449A (fr)
KR (1) KR900005569B1 (fr)
AT (1) ATE39662T1 (fr)
AU (1) AU577878B2 (fr)
BR (1) BR8503776A (fr)
CA (1) CA1245996A (fr)
DD (1) DD236068A5 (fr)
DE (2) DE3430382A1 (fr)
DK (1) DK170745B1 (fr)
ES (1) ES288625Y (fr)
GR (1) GR852001B (fr)
IS (1) IS1335B6 (fr)
NO (1) NO169223C (fr)
PL (1) PL145427B1 (fr)
PT (1) PT80972B (fr)
SU (1) SU1389674A3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0218096A1 (fr) * 1985-10-02 1987-04-15 Schmalbach-Lubeca AG Couvercle en tôle pour boîtes non rondes, en particulier pour boîtes de section ovale longiforme du format Hansa
EP0236736A3 (en) * 1986-03-06 1988-06-29 Schmalbach-Lubeca Ag Tearable metal cover for cans

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD405010S (en) 1994-11-03 1999-02-02 Schmalbach-Lubeca Ag Can lid
RU2188783C2 (ru) * 1996-10-21 2002-09-10 Петтер Конрад БЬЕРНСЕН Банка для напитков
FI19992715L (fi) * 1999-12-17 2001-06-18 Mauri Maekinen Purkin, kuten säilyketölkin, kansi
RU2284953C2 (ru) * 2001-03-01 2006-10-10 Болл Пэкэджинг Юроп Гмбх Закрывающая крышка с двойным уровнем, а также ее изготовление
US8025171B2 (en) * 2002-08-14 2011-09-27 Firestar Ag Fuel tin
DK3257773T3 (da) 2016-06-16 2019-05-27 Ardagh Mp Group Netherlands Bv Låg til en rund aflang dåse og en rund aflang dåse forsynet med et sådant låg

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE644113C (de) * 1932-02-12 1937-04-24 Transitoria Ab Blechgefaess, insbesondere Konservendose
US3441171A (en) * 1968-03-11 1969-04-29 Continental Can Co Easy-opening container panel structure
DE1761867C3 (de) * 1968-07-16 1979-06-07 Schmalbach-Lubeca-Gmbh, 3300 Braunschweig Aufreißdeckel aus Blech, insbesondere für Konservendosen
US3478918A (en) * 1968-08-14 1969-11-18 American Can Co Full open end closure
US3591037A (en) * 1969-02-24 1971-07-06 Aluminum Co Of America Container with removable panel portion
DE1959353A1 (de) * 1969-11-26 1971-06-03 Leckermaeulchen Fischkonserven Nietverbindung zwischen Grifflasche und Aufreissflaeche von Behaeltern,Dosen od.dgl.
US3682350A (en) * 1970-02-18 1972-08-08 Dorn Co V Easy opening rectangular metal container
US3653536A (en) * 1970-08-31 1972-04-04 Aluminum Co Of America Easy opening device for a rectangular container end
US3735892A (en) * 1970-10-26 1973-05-29 American Can Co Full open end having chordal start tear score sections
DE2909076C2 (de) * 1979-03-08 1984-01-26 Schmalbach-Lubeca Gmbh, 3300 Braunschweig Menüdose
DE2909074C2 (de) * 1979-03-08 1983-05-26 Schmalbach-Lubeca Gmbh, 3300 Braunschweig Aufreißdeckel aus Blech für Dosen von langgestreckt rechteckigem Umriß mit abgerundeten Ecken, insb. Mehrportionen-Menüdosen
DE3535226A1 (de) * 1985-10-02 1987-04-16 Schmalbach Lubeca Deckel aus blech fuer unrunde dosen, insb. langovale dosen im hansa-format

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0218096A1 (fr) * 1985-10-02 1987-04-15 Schmalbach-Lubeca AG Couvercle en tôle pour boîtes non rondes, en particulier pour boîtes de section ovale longiforme du format Hansa
EP0236736A3 (en) * 1986-03-06 1988-06-29 Schmalbach-Lubeca Ag Tearable metal cover for cans

Also Published As

Publication number Publication date
EP0171650A3 (en) 1987-04-22
KR860001751A (ko) 1986-03-22
KR900005569B1 (ko) 1990-07-31
DE3430382A1 (de) 1986-02-27
DE3430382C2 (fr) 1989-09-28
EP0171650B1 (fr) 1989-01-04
NO169223C (no) 1992-05-27
DK371485D0 (da) 1985-08-15
PL145427B1 (en) 1988-09-30
SU1389674A3 (ru) 1988-04-15
AU4526685A (en) 1986-02-20
ES288625U (es) 1986-01-01
CA1245996A (fr) 1988-12-06
GR852001B (fr) 1985-12-16
JPS6160449A (ja) 1986-03-28
US4593834A (en) 1986-06-10
PT80972B (pt) 1987-08-19
PL254827A1 (en) 1986-06-17
ES288625Y (es) 1986-09-01
NO169223B (no) 1992-02-17
AU577878B2 (en) 1988-10-06
IS1335B6 (is) 1989-01-13
DK170745B1 (da) 1996-01-08
DK371485A (da) 1986-02-18
BR8503776A (pt) 1986-05-20
ATE39662T1 (de) 1989-01-15
DD236068A5 (de) 1986-05-28
JPH0227224B2 (fr) 1990-06-15
NO853245L (no) 1986-02-18
DE3567193D1 (en) 1989-02-09
IS3025A7 (is) 1986-02-18
PT80972A (en) 1985-09-01

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