Method and apparatus for producing reinforced synthetic resin pi

Details Method and apparatus for producing reinforced synthetic resin pi Method and apparatus for producing reinforced synthetic resin pi

1978-12-11

1981-03-17

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Treatment of material by vibrating, jarring, or agitating...

By reciprocating or vibrating mold

264103, 264257, 264334, 425125, 425426, 425432, B29C 2728, B28B 108

Patent

active

042566800

ABSTRACT:
A reinforced synthetic resin pipe is produced by winding a reinforcing material about a core bar suspended vertically for preforming the pipe, inserting the core bar holding thereabout the preformed reinforcing material into a mold into which a predetermined quantity of the liquid synthetic resin has been poured, pressing the core bar into the mold while applying vibration to the core bar or to the mold, stripping the core bar from the mold after the synthetic resin has been hardened, and separating the hardened molding from the core bar or the mold.

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