Method and apparatus for fabricating, surface treating and...

Details Method and apparatus for fabricating, surface treating and... Method and apparatus for fabricating, surface treating and...

B - Operations, Transporting

29

D

18/1039

B29D 7/00 (2006.01) B26D 1/03 (2006.01) B29C 55/18 (2006.01) B29C 71/02 (2006.01)

Patent

CA 1158009

ABSTRACT OF THE DISCLOSURE A method and apparatus is provided for forming an abrasion resistant sheet from a sheet of orientable thermoplastic polymer material in one continuous process which can be effected by a single continuous production line apparatus. A method and apparatus is also provided for treating the surface of an oriented sheet with heated rolls for creating a fused surface layer on each side of the sheet. A method and apparatus is also provided for slitting a wider sheet into a plurality of strips at elevated temperatures with the strap under tension and with a staggered array of fixed blades. Further, a method and apparatus is provided for treating an oriented strip having a non-uniform thickness so as to con- form the surfaces of the strip in a substantially uniformly flat and parallel configuration.

369555

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