US PATENT SUBCLASS 264 / 46.5
.~.~.~ Uniting spaced preforms or solidified layers by introducing foamable material therebetween

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}
46.4  DF  .~.~ Shaping material and uniting to a preform or solidified layer {5}
46.5.~.~.~ Uniting spaced preforms or solidified layers by introducing foamable material therebetween

DEFINITION

Classification: 264/46.5

(under subclass 46.1) Processes wherein two distinct preformed bodies or solidified layers with opposing surfaces are positioned in a spaced relationship with each other and a porous material at least partially fills the space between them, said porous material acting to unite the preforms or solidified layers and being contained at least in part by said preforms or solidified layers.

SEE OR SEARCH THIS CLASS, SUBCLASS:

45.8+, for uniting spaced preforms where the preforms are of indefinite length.