US PATENT SUBCLASS 156 / 304.2
.~.~.~ Joining of nonplanar elements; e.g., configured hollow objects, 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}
304.2.~.~.~ Joining of nonplanar elements; e.g., configured hollow objects, etc.

DEFINITION

Classification: 156/304.2

Joining of nonplanar elements; e.g., configured hollow objects, etc.:

(under subclass 304.1) Processes directed to uniting laminae edge to edge wherein the lamina are nonplanar.

(1) Note. Included herein are processes of joining corrugated lamina and processes of assembly of containers or other finite length hollow elements.

SEE OR SEARCH THIS CLASS, SUBCLASS:

296, for processes of joining tubes or filaments of indefinite length.