Method of casting plastic screen and metal reinforced...

B - Operations – Transporting – 29 – C

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18/1002

B29C 33/00 (2006.01) B07B 1/46 (2006.01) B29C 70/68 (2006.01) B29C 70/70 (2006.01) B29D 28/00 (2006.01) B29C 39/00 (2006.01)

Patent

CA 1067268

Abstract of the Disclosure A method of making plastic screen where a plurality of pegs are vertically positioned within an open topped mold, and a castable liquid plastic is then poured into the mold. The bottom ends of the pegs are tapered, so that the holes or openings in the finished plastic screen are flared. Metal reinforced plastic screen is made in the same manner, only a peg is positioned within each opening of a metal screen positioned closely adjacent the mold bottom or base, and the liquid plastic is poured into the mold to a height above the metal screen. The pegs are smaller than the metal screen openings, so that no metal is exposed in the finished article, -1-

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