US PATENT SUBCLASS 493 / 392
.~.~.~ Work penetrating member

Current as of: June, 1999
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493 /   HD   MANUFACTURING CONTAINER OR TUBE FROM PAPER; OR OTHER MANUFACTURING FROM A SHEET OR WEB

374  DF  ASSEMBLING OR DISASSEMBLING OF DISTINCT MEMBERS {5}
379  DF  .~ Comprising bringing two members together {4}
390  DF  .~.~ And securing by interfitting {2}
392.~.~.~ Work penetrating member

DEFINITION

Classification: 493/392

Work penetrating member:

(under subclass 390) Method or apparatus wherein a workpiece includes a sharp edge and is intended to fasten by the act of that edge piercing into the other workpiece.

(1) Note. Penetration of this subclass is for the purpose of bringing about an assembly and not for the purpose for forming an opening in the pierced workpiece.

SEE OR SEARCH THIS CLASS, SUBCLASS:

118+, for making a rigid container including use of a material penetrating fastening member.

351, for assembling by causing one member to pierce into another to which it is assembled, combined with cutting, breaking, tearing, or abrading.

384+, for using a work penetrating fastening member to secure other members together.

SEE OR SEARCH CLASS 227, Elongated-Member-Driving Apparatus, for application of a nail or staple to work even if the work is a sheet or web, if there is no other working (e.g., bending) of the sheet or web and there is no recognition of more than one sheet or web.