B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 44/22 (2006.01) B29C 44/50 (2006.01) B29C 47/20 (2006.01)
Patent
CA 2268587
An extruded foam product is manufactured with an integral thin coating of a different material on the surface thereof. The coating is applied to the product as part of the extrusion process and prior to foaming and expansion of the product using a co-extrusion die. The coating can have vastly different or specialized properties while having an inexpensive body portion. This co- extrusion arrangement simplifies the manufacturing of the product, and allows a very thin coating to be produced, if desired.
Dennison Associates
Industrial Thermo Polymers Limited
LandOfFree
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