.~.~> 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.
