US PATENT SUBCLASS 156 / 437
.~.~.~ With means forming web by calendering

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

349  DF  SURFACE BONDING MEANS AND/OR ASSEMBLY MEANS THEREFOR {34}
433  DF  .~ Indefinite or running length flexible strand, rod, tube, or filament uniting {4}
436  DF  .~.~ To indefinite or running length web {3}
437.~.~.~ With means forming web by calendering

DEFINITION

Classification: 156/437

(under subclass 436) Apparatus combined with means to continually form the flexible web from a mass of material by a plastic working or molding operation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

500+, for other laminating apparatus combined with molding or plastic shaping means.