US PATENT SUBCLASS 264 / 45.2
.~.~ Utilizing inflatable or expandable mold part or mold, per se

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

41  DF  PORE FORMING IN SITU (E.G., FOAMING, ETC.) {6}
45.1  DF  .~ Composite article making {7}
45.2.~.~ Utilizing inflatable or expandable mold part or mold, per se

DEFINITION

Classification: 264/45.2

(under subclass 45.1) Processes wherein a mold part is inflatable or expandable, or an inflatable form is used as a base on which foaming material solidifies.

(1) Note. Generally the inflatable or expandable feature is to facilitate insertion or removal of a plural layered of multipart article which is formed in a mold.