US PATENT SUBCLASS 156 / 304.5
.~.~.~ With preliminary edge treatment or joining of edges of irregular shape; e.g., tongue and groove, beveled, etc.

Current as of: June, 1999
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156 /   HD   ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE

1  DF  METHODS {7}
60  DF  .~ Surface bonding and/or assembly therefor {93}
304.1  DF  .~.~ Butt edge joining of laminae {5}
304.5.~.~.~ With preliminary edge treatment or joining of edges of irregular shape; e.g., tongue and groove, beveled, etc.

DEFINITION

Classification: 156/304.5

With preliminary edge treatment or joining of edges of irregular shape; e.g., tongue and groove, beveled, etc.:

(under subclass 304.1) Processes in which prior to joining the edges are physically or chemically treated to perfect the joining operation or in which the edges are nonplanar or are not perpendicular to the face of other the lamina.

SEE OR SEARCH THIS CLASS, SUBCLASS:

258, for processes of edge treatment by cutting.