Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1984-12-28
1987-09-01
Anderson, Philip
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
15624412, 15624422, 15624427, 264 455, 264 461, 264101, 264171, 4283197, B37B 518, B37B 514, B29C 6722, B29C 4702
Patent
active
046908625
ABSTRACT:
The dual extrusion and fusion of cellular and non-cellular resin extrudates produces an integral composite profile having a tongue and groove interlock. The resins are extruded through a common die having overlapping orifices. A bulbous tongue of one extrudate is encapsulated by finger-like projections of a second extrudate and the mated profiles are pulled through a vacuumized sizing box adapted to sealingly receive the cellular portion and to freely receive the non-cellular portion.
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Anderson Philip
Gossen Corporation
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