Method and apparatus for the sizing of tubular bodies of a therm

Plastic and nonmetallic article shaping or treating: processes – Reactive gas or vapor treatment of work – Work is organic material

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Details

264 90, 264209, 264296, 425326R, 425388, B29C 1707

Patent

active

040201368

ABSTRACT:
In a method and a device for vacuum sizing extruded bodies of plastics material, the sizing operation is subdivided, in sequence, between the two or more portions of the cross-sectional outline of the extruded blank. Cooling means can act in cooperation with the sizing tools proper.

REFERENCES:
patent: 2423260 (1947-07-01), Slaughter
patent: 3169272 (1965-02-01), Maxson
patent: 3229005 (1966-01-01), Reifenhauser
patent: 3274315 (1966-09-01), Kawamura
patent: 3296661 (1967-01-01), De Moustier
patent: 3378887 (1968-04-01), Reib et al.

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