US PATENT SUBCLASS 156 / 198
.~.~.~ By inward collapsing of portion of hollow body


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}
196  DF  .~.~ With permanent bending or reshaping or surface deformation of self sustaining lamina {11}
198.~.~.~ By inward collapsing of portion of hollow body


DEFINITION

Classification: 156/198

(under subclass 196) Processes in which the step of reshaping is by causing at least a portion of a hollow body to move inwardly from the periphery of the body and into contact with another portion.

(1) Note. In this subclass may be found, for example, sealing the ends of a tube by a pinching operation.