US PATENT SUBCLASS 156 / 210
.~.~.~ To form undulated to corrugated sheet and securing to base with parts of shaped areas out of contact

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}
210.~.~.~ To form undulated to corrugated sheet and securing to base with parts of shaped areas out of contact

DEFINITION

Classification: 156/210

(under subclass 196) Processes in which the reshaping operation involves distorting a workpiece to form alternating ridges and grooves in wave like shape and bonding the workpiece to a generally planar lamina whereby the ridges only are in contact with the lamina.

SEE OR SEARCH THIS CLASS, SUBCLASS:

292, for processes of laminating, per se, of laminae having opposed facing areas out of contact.