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Class Information
Number: 413/17
Name: Sheet metal container making > Method > Forming or treating metallic closure > Fabricating or assembling member having frangible portion (e.g., tear tab forming) > Forming discontinuous frangible fracture line (e.g., push-in type with hinged tear tab) > Scoring to form fracture line
Description: Process including forming a line of fracture by a scoring step which thins or partially cuts through the metal closure.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7384227 |
Method for fixing the position of a pull-tab with a steep anti rotation device formed from the panel of a sheet metal cover |
Jun. 10, 2008 |
| 7270246 |
Non-circular can end with corner-mounted tab and tooling and a conversion press for providing same |
Sep. 18, 2007 |
| 6837093 |
Methods for making an easy-opening can end |
Jan. 4, 2005 |
| 6817819 |
Easy-open container end |
Nov. 16, 2004 |
| 6772900 |
Can end |
Aug. 10, 2004 |
| 6688832 |
Easy-open end and method of making |
Feb. 10, 2004 |
| 6685417 |
Safety container end having improved opening characteristics |
Feb. 3, 2004 |
| 6524048 |
Apparatus for manufacturing can lid |
Feb. 25, 2003 |
| 6435368 |
Easy opening can end and method for fabricating the same |
Aug. 20, 2002 |
| 6428261 |
Method of forming a safety can end |
Aug. 6, 2002 |
| 6354453 |
Vented container end apparatus and method |
Mar. 12, 2002 |
| 6315511 |
Method and apparatus for coining end panels of containers |
Nov. 13, 2001 |
| 6161717 |
End closure with reverse bead on opening panel |
Dec. 19, 2000 |
| 6079583 |
Vented container end apparatus and method |
Jun. 27, 2000 |
| 6044679 |
Method for machining metal plate |
Apr. 4, 2000 |
| 6004089 |
Method for making easy-open lids with improved scoring |
Dec. 21, 1999 |
| 5941117 |
Die tool thermal control and tooling optimization apparatus and method |
Aug. 24, 1999 |
| 5938390 |
Antifracture scores for easy open container walls |
Aug. 17, 1999 |
| 5937726 |
Method for cutting vertical incision in container cap |
Aug. 17, 1999 |
| 5927536 |
Metal easy open can lid superior in can openability and process for production of thereof |
Jul. 27, 1999 |
| 5860553 |
Easy-open container end |
Jan. 19, 1999 |
| 5813811 |
Easy-access sheet metal container structures |
Sep. 29, 1998 |
| 5770290 |
Easy open end of a metal-plastic construction |
Jun. 23, 1998 |
| 5738237 |
Easy open container end, method of manufacture, and tooling |
Apr. 14, 1998 |
| 5692636 |
Easy-open container end |
Dec. 2, 1997 |
| 5688094 |
Apparatus for joining sheet metal convenience-feature end closure to non-cylindrical sidewall of sheet metal can body |
Nov. 18, 1997 |
| 5590993 |
Easy-access sheet metal container structures |
Jan. 7, 1997 |
| 5522521 |
Pull tab type beverage container and method of making |
Jun. 4, 1996 |
| 5462396 |
Convenience-feature sheet metal end closure and tooling apparatus |
Oct. 31, 1995 |
| 5328313 |
Convenience-feature end closure for container body with non-cylindrical sidewall |
Jul. 12, 1994 |
| 5252019 |
Convenience-feature non-circular end closure with interrupted panel profiling |
Oct. 12, 1993 |
| 5219257 |
Self-opening can lid with improved contour of score and means for making |
Jun. 15, 1993 |
| 5174706 |
Process for producing a safe opening container lid |
Dec. 29, 1992 |
| 4915562 |
Rupturable can member as well as method and apparatus for its production |
Apr. 10, 1990 |
| 4848623 |
Disc removal end wall structure with safety features |
Jul. 18, 1989 |
| 4701090 |
Method of manufacture of a can end with a push in vent tab and main tab |
Oct. 20, 1987 |
| 4685849 |
Method for making an easy opening container end closure |
Aug. 11, 1987 |
| 4624125 |
Method and apparatus for controlling the spacing between a metal forming punch and a complemental die |
Nov. 25, 1986 |
| 4579495 |
Environmental retained tab ends |
Apr. 1, 1986 |
| 4511299 |
Pull-tab forming method |
Apr. 16, 1985 |
| 4504181 |
Method of forming scored metal sheet |
Mar. 12, 1985 |
| 4416576 |
Method of forming score in can end plate and method of attaching tab to the same for facilitating the opening of can |
Nov. 22, 1983 |
| 4386925 |
Apparatus for producing a tear line in the multi-layered foil of a cigarette pack |
Jun. 7, 1983 |
| 4377084 |
Press apparatus having resilient stop blocks |
Mar. 22, 1983 |
| 4355935 |
Method of forming a can end having a vented gate within a push-down aperture |
Oct. 26, 1982 |
| 4348464 |
Combination score tool and score anvil |
Sep. 7, 1982 |
| 4274351 |
Can end closure |
Jun. 23, 1981 |
| 4244315 |
Method for the manufacture of a can lid having a triple-fold pushdown gate |
Jan. 13, 1981 |
| 4192244 |
Method of making can closures |
Mar. 11, 1980 |
| 4154184 |
Apparatus and methods for manufacture of can end member |
May. 15, 1979 |
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