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Class Information
Number: 413/12
Name: Sheet metal container making > Method > Forming or treating metallic closure > Fabricating or assembling member having frangible portion (e.g., tear tab forming)
Description: Process for making a member having a weakened breakable portion thereabout in the end closure, or for attaching a member containing such a weakened portion to the end closure to thereby allow access to the containers when the weakened portion is broken.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7614520 |
Tab with coin precurl for improved curl formation |
Nov. 10, 2009 |
| 7493790 |
Process of making easy open can end |
Feb. 24, 2009 |
| 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 |
| 7334977 |
Method for the production of a rim for a can lid |
Feb. 26, 2008 |
| 7165926 |
Method for fixing the position of a tab having an anti-rotation bead formed from the panel of a sheet metal lid (steep anti rotation device). |
Jan. 23, 2007 |
| 7150597 |
Method for manufacturing design tab end using pilot hole of tab coil |
Dec. 19, 2006 |
| 7147122 |
Easy open can end |
Dec. 12, 2006 |
| 7063492 |
System for forming and attaching lift-tabs to can ends |
Jun. 20, 2006 |
| 6854947 |
Method of manufacturing an aluminum design tab end for a beverage can |
Feb. 15, 2005 |
| 6817819 |
Easy-open container end |
Nov. 16, 2004 |
| 6688832 |
Easy-open end and method of making |
Feb. 10, 2004 |
| 6533518 |
Can end manufacturing system and press therefor |
Mar. 18, 2003 |
| 6386814 |
Cover mountable to beverage container and mounting method and apparatus thereof |
May. 14, 2002 |
| 6386813 |
Safe container end closure and method for fabricating a safe container end closure |
May. 14, 2002 |
| 6105806 |
Laser etched pull tab container opening devices and methods of making the same |
Aug. 22, 2000 |
| 6035689 |
Rigid sheet metal rivet button fabrication for convenience-feature can stock |
Mar. 14, 2000 |
| 5967726 |
Container-end tab and method of manufacturing same |
Oct. 19, 1999 |
| 5938390 |
Antifracture scores for easy open container walls |
Aug. 17, 1999 |
| 5913651 |
Method of manufacturing an easily-opened can lid, and easily-opened can lid |
Jun. 22, 1999 |
| 5879120 |
Method of seaming a circular cover panel onto the body of a can |
Mar. 9, 1999 |
| 5876171 |
One-out conversion press |
Mar. 2, 1999 |
| 5823730 |
Can with easy open end and protection against cuts |
Oct. 20, 1998 |
| 5813811 |
Easy-access sheet metal container structures |
Sep. 29, 1998 |
| 5770290 |
Easy open end of a metal-plastic construction |
Jun. 23, 1998 |
| 5590993 |
Easy-access sheet metal container structures |
Jan. 7, 1997 |
| 5511920 |
System and method for use when forming lift-tab can end assemblies |
Apr. 30, 1996 |
| 5482175 |
Pressurized container top |
Jan. 9, 1996 |
| 5373721 |
Method and apparatus for scoring metal panels and resultant product |
Dec. 20, 1994 |
| 5284045 |
End tooling for multiple end diameters |
Feb. 8, 1994 |
| 5271258 |
Method and apparatus of forming one-piece core cap stamping with keyway |
Dec. 21, 1993 |
| 5252019 |
Convenience-feature non-circular end closure with interrupted panel profiling |
Oct. 12, 1993 |
| 5156511 |
Method for manufacturing a closing structure, openable in a controlled manner, of a can, in particular a metallic can, closing structure obtained by said method, and can including the closing |
Oct. 20, 1992 |
| 5059360 |
Lid for can-like container and method for making an easily opened container lid |
Oct. 22, 1991 |
| 5038956 |
Abuse resistant, safety-edge, controlled-opening convenience-feature end closures |
Aug. 13, 1991 |
| 4936729 |
Press with external tooling arrangement |
Jun. 26, 1990 |
| 4932823 |
Can end tab sensing apparatus |
Jun. 12, 1990 |
| 4915562 |
Rupturable can member as well as method and apparatus for its production |
Apr. 10, 1990 |
| 4893725 |
Methods of making metal can ends with plastics closures |
Jan. 16, 1990 |
| 4854799 |
Dual lane conversion system |
Aug. 8, 1989 |
| 4848623 |
Disc removal end wall structure with safety features |
Jul. 18, 1989 |
| 4846774 |
Rotary die cutting and laminating process and machine |
Jul. 11, 1989 |
| 4842468 |
Process for forming a closure diaphragm for a container |
Jun. 27, 1989 |
| 4813837 |
Methods of making can ends with plastics closures |
Mar. 21, 1989 |
| 4802603 |
Easy open can end |
Feb. 7, 1989 |
| 4762579 |
Process for producing easily openable closure |
Aug. 9, 1988 |
| 4740099 |
Assembly obtained from method of temporary solder assembling of releasable plates for mechanical release device |
Apr. 26, 1988 |
| 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 |
| 4530631 |
Pull tab for easy open can end-method of manufacture thereof |
Jul. 23, 1985 |
| 4511299 |
Pull-tab forming method |
Apr. 16, 1985 |
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