(under subclass 320) Method or apparatus combined with piercing into a workpiece with a sharp tool; forcibly ripping a portion of a workpiece by bending or tensile stress; or, engaging a workpiece by a crystalline tool to remove surface portions from that workpiece.
SEE OR SEARCH THIS CLASS, SUBCLASS:
22, for cutting, breaking, tearing, or abrading combined with an operation of this class including work or product responsive control means.
56+, for making a rigid container combined with cutting, breaking, tearing, or abrading.
194+, for making a pliable container including heat sealing combined with cutting, breaking, tearing, or abrading of indeterminate length work.
199+, for making a pliable container including heat sealing combined with cutting, breaking, tearing, or abrading.
227+, for making a pliable container combined with cutting, breaking, tearing, or abrading.
287+, for making a tube combined with cutting, breaking, tearing, or abrading. 340+, for an operation of this class combined with cutting, breaking, tearing, or abrading, generally.
SEE OR SEARCH CLASS
83, Cutting, for cutting by use of a sharp cutting tool, generally, including severing.
225, Severing by Tearing or Breaking, for subdividing by the application of bending or tautening forces.
451, Abrading, for engaging a workpiece by a crystalline tool to remove surface portions from the workpiece.
