US PATENT SUBCLASS 413 / 67
.~ Having means forming frangible zone on closure


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



413 /   HD   SHEET METAL CONTAINER MAKING

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


DEFINITION

Classification: 413/67

Having means forming frangible zone on closure:

(under subclass 56) Apparatus including means that weakens a linear portion of the lid so that this line will subsequently fail under pressure and an area within the weakened line can be bent or removed placing a hole in said lid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

12, for method of fabricating or assembling a member having a frangible portion.

SEE OR SEARCH CLASS

277, Seal for a Joint or Juncture, for a generic sealing means or process,

630, for a static contact seal for other than an internal combustion engine, or a pipe, conduit or cable having an installation, removal, assembly, disassembly, or repair feature.