US PATENT SUBCLASS 413 / 68
.~.~ By means inserting ripper means into closure

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

56  DF  APPARATUS TO FORM CONTAINER CLOSURE (LID) {4}
67  DF  .~ Having means forming frangible zone on closure {1}
68.~.~ By means inserting ripper means into closure

DEFINITION

Classification: 413/68

By means inserting ripper means into closure:

(under subclass 67) Apparatus wherein a cord or wire is inserted into the can top so that it can subsequently be pulled, ripping a line in the closed can top, thus opening the container.