GB1474496A - Container wall and method and apparatus for scoring such container wall - Google Patents

Container wall and method and apparatus for scoring such container wall

Info

Publication number
GB1474496A
GB1474496A GB894575A GB894575A GB1474496A GB 1474496 A GB1474496 A GB 1474496A GB 894575 A GB894575 A GB 894575A GB 894575 A GB894575 A GB 894575A GB 1474496 A GB1474496 A GB 1474496A
Authority
GB
United Kingdom
Prior art keywords
indenter
primary
inches
indenters
container wall
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
Application number
GB894575A
Other languages
English (en)
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.)
Alcoa Corp
Original Assignee
Aluminum Company of America
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23791175&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB1474496(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Aluminum Company of America filed Critical Aluminum Company of America
Publication of GB1474496A publication Critical patent/GB1474496A/en
Expired legal-status Critical Current

Links

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
    • B21D51/383—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures scoring lines, tear strips or pulling tabs
    • 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
    • B65D17/404—Details of the lines of weakness
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/02—Other than completely through work thickness
    • Y10T83/0333—Scoring
    • Y10T83/0341—Processes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
GB894575A 1974-03-14 1975-03-04 Container wall and method and apparatus for scoring such container wall Expired GB1474496A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/451,191 US3954075A (en) 1974-03-14 1974-03-14 Easy-open container wall and apparatus and method for producing improved container wall

Publications (1)

Publication Number Publication Date
GB1474496A true GB1474496A (en) 1977-05-25

Family

ID=23791175

Family Applications (1)

Application Number Title Priority Date Filing Date
GB894575A Expired GB1474496A (en) 1974-03-14 1975-03-04 Container wall and method and apparatus for scoring such container wall

Country Status (7)

Country Link
US (1) US3954075A (cg-RX-API-DMAC7.html)
JP (1) JPS50149478A (cg-RX-API-DMAC7.html)
CA (1) CA1016090A (cg-RX-API-DMAC7.html)
DE (2) DE2511024A1 (cg-RX-API-DMAC7.html)
FR (1) FR2263941B1 (cg-RX-API-DMAC7.html)
GB (1) GB1474496A (cg-RX-API-DMAC7.html)
IT (1) IT1032304B (cg-RX-API-DMAC7.html)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504181A (en) * 1978-11-29 1985-03-12 Continental Can Company, Inc. Method of forming scored metal sheet
JPS59124259A (ja) * 1982-12-29 1984-07-18 日本軽金属株式会社 炭酸飲料用の全面開口アルミニウム缶
NL9301812A (nl) * 1993-10-20 1995-05-16 Hoogovens Groep Bv Metalen full-aperture easy-open deksel voor een bus.
US5888183A (en) * 1997-04-11 1999-03-30 United Container Machinery, Inc. Method of working paperboard blanks
US5934498A (en) 1997-09-19 1999-08-10 Aluminum Company Of America Convenience easy opening end with large removal panel
US5938390A (en) * 1997-12-15 1999-08-17 Aluminum Company Of America Antifracture scores for easy open container walls
JP2004063803A (ja) * 2002-07-29 2004-02-26 Ngk Spark Plug Co Ltd プリント配線基板の製造方法、プリント配線基板製造用金属板、連結プリント配線基板
US6761281B2 (en) 2002-11-26 2004-07-13 Rexam Beverage Can Company Modified score for smooth openability
US20100227191A1 (en) * 2009-01-29 2010-09-09 Brown Mckay C Score line corrosion protection for container end walls
JP5390370B2 (ja) * 2009-12-22 2014-01-15 日本クロージャー株式会社 合成樹脂製注出口栓
EP2599844A1 (en) * 2011-12-02 2013-06-05 PPG Industries Ohio Inc. Coating composition for a food or beverage can
EP3028952B2 (en) 2014-12-01 2024-01-31 Ardagh MP Group Netherlands B.V. Closure for a container and a container provided therewith
JP2024143215A (ja) * 2023-03-30 2024-10-11 大和製罐株式会社 缶蓋及び缶容器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1898925A (en) * 1929-07-03 1933-02-21 Continental Can Co Method of forming easy opening containers
GB1164179A (en) * 1966-10-05 1969-09-17 Aluminum Co Of America Improvements relating to Metal Containers having an End with a Tear-out Section
US3432068A (en) * 1967-03-28 1969-03-11 Ermal C Fraze Easy open can end
US3406866A (en) * 1967-06-16 1968-10-22 Continental Can Co Container panel with antifracture score
US3576272A (en) * 1969-06-30 1971-04-27 Procter & Gamble Score-line structure
US3728980A (en) * 1971-02-10 1973-04-24 Fraze Ermal C Scoring die

Also Published As

Publication number Publication date
AU7871575A (en) 1976-09-02
FR2263941B1 (cg-RX-API-DMAC7.html) 1978-09-01
JPS50149478A (cg-RX-API-DMAC7.html) 1975-11-29
IT1032304B (it) 1979-05-30
DE2511024A1 (de) 1975-09-25
CA1016090A (en) 1977-08-23
DE2524157A1 (de) 1976-01-02
FR2263941A1 (cg-RX-API-DMAC7.html) 1975-10-10
US3954075A (en) 1976-05-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee