Processing extruded vinyl siding

Details Processing extruded vinyl siding Processing extruded vinyl siding

1977-01-07

1978-08-29

Husar, Francis S.

Plastic article or earthenware shaping or treating: apparatus

Including means advancing continuous length work through...

264178R, 425445, 425325, 425404, B29C 2500

Patent

active

041100620

ABSTRACT:
Method and apparatus for processing extruded thermoplastic material for use in siding by advancing the extrudate from the die member through a series of baths which size and shape the extrudate. The process sizes and cools the extrudate, and, thence, heat treats the extrudate followed by a final quenching of the extrudate in its final shape and size.

REFERENCES:
patent: 2661499 (1953-12-01), James et al.
patent: 3039142 (1962-06-01), Zavasnik
patent: 3315308 (1967-04-01), Wiley et al.
patent: 3538210 (1970-11-01), Gatto
patent: 4029452 (1977-06-01), Schippers et al.

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