Extrusion apparatus and method and extruded foam article

Details Extrusion apparatus and method and extruded foam article Extrusion apparatus and method and extruded foam article

B - Operations, Transporting

29

C

B29C 47/12 (2006.01) B29C 47/00 (2006.01) B29C 47/02 (2006.01) B29C 47/04 (2006.01) C08J 9/228 (2006.01) B29C 47/24 (2006.01)

Patent

CA 2435005

An apparatus and method for forming an extruded foam article is disclosed. In an embodiment, a first foam material may be urged through an extrusion channel, and a first coating material may be fed to an applicator in communication with the extrusion channel to apply a visible coating on a region of the outer surface of the foam material. The region is a fraction of a perimeter of the outer surface of the first foam material. In an embodiment, the applicator may be rotated relative to the first foam material to impart a visible helical band on the extruded foam article.

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