Method and apparatus for forming plastic sheet

Details Method and apparatus for forming plastic sheet Method and apparatus for forming plastic sheet

B - Operations, Transporting

29

C

18/1051

B29C 53/04 (2006.01) E04C 2/20 (2006.01) B29C 35/04 (2006.01)

Patent

CA 1151829

Abstract This invention relates to a machine for and a method of making building products from a coiled sheet of thermoplastic polymer such as polyvinyl chloride. In the practice of this invention, portions of the polymeric sheet are selectively and sequentially heated and progressively bent to the desired shape by passing the sheet through a series of heating, forming and cooling stations. The simplified design of the machine enables the user to custom fabricate building products at a construction site with a resulting savings in cost. Typical products adapted to be made in accordance with the invention are-exterior building siding, siding accessories and other building products.

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