US PATENT SUBCLASS 413 / 12
.~.~ Fabricating or assembling member having frangible portion (e.g., tear tab forming)

Current as of: June, 1999
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413 /   HD   SHEET METAL CONTAINER MAKING

1  DF  METHOD {3}
8  DF  .~ Forming or treating metallic closure {9}
12.~.~ Fabricating or assembling member having frangible portion (e.g., tear tab forming) {3}
13  DF  .~.~.~> Forming user lip guard
14  DF  .~.~.~> Assembling pull tab (e.g., ring) to tear tab
15  DF  .~.~.~> Forming discontinuous frangible fracture line (e.g., push-in type with hinged tear tab) {2}

DEFINITION

Classification: 413/12

Fabricating or assembling member having frangible portion (e.g., tear tab forming):

(under subclass 8) 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.

SEE OR SEARCH THIS CLASS, SUBCLASS:

55, for apparatus used in forming score lines about a cylindrical can body.

67+, for apparatus used in forming frangible zones in container lids.

SEE OR SEARCH CLASS

277, Seal for a Joint or Juncture, for a generic sealing means or process, cross-reference art collection 917 for a seal including a frangible feature.