Apparatus for the extrusion of tubular bodies of synthetic-resin

Details Apparatus for the extrusion of tubular bodies of synthetic-resin Apparatus for the extrusion of tubular bodies of synthetic-resin

1978-01-24

1979-01-30

Lazarus, Richard B.

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Control means responsive to product weight or dimension

264 401, 264209, 425145, 425381, 425404, 425466, B29F 304

Patent

active

041370287

ABSTRACT:
An apparatus for the extrusion of tubular bodies of synthetic-resin material and especially large-diameter pipes, in which the die for forming the tube is connected to an extrusion press and includes an outer member and an inner member between which the material is forced. On the outer member there is provided a calibrating sleeve and the die carries a radioactive thickness-measuring means.

REFERENCES:
patent: 3782873 (1974-01-01), Lynnknowles
patent: 3940221 (1976-02-01), Nissel

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