US PATENT SUBCLASS 413 / 15
.~.~.~ Forming discontinuous frangible fracture line (e.g., push-in type with hinged tear tab)

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  DF  .~.~ Fabricating or assembling member having frangible portion (e.g., tear tab forming) {3}
15.~.~.~ Forming discontinuous frangible fracture line (e.g., push-in type with hinged tear tab) {2}
16  DF  .~.~.~.~> Having pull tab and hinged tear tab
17  DF  .~.~.~.~> Scoring to form fracture line

DEFINITION

Classification: 413/15

Forming discontinuous frangible fracture line (e.g., push-in type with hinged tear tab):

(under subclass 12) Process for fabricating a member having a weakened peripheral portion which extends about only a portion of the member and wherein the container is opened by pushing the member downwardly.