Die for continuously extruding hollow articles from thermosettin

Details Die for continuously extruding hollow articles from thermosettin Die for continuously extruding hollow articles from thermosettin

1977-01-17

1978-05-09

Husar, Francis S.

Plastic article or earthenware shaping or treating: apparatus

Means providing a shaping orifice

Core, pin or insert member

264209, 425379R, 425380, B29D 2304

Patent

active

040884341

ABSTRACT:
A die for continuously extruding hollow articles from thermosetting resins comprises an outer cylinder and an inner cylinder arranged coaxially with an annular gap left between them for the passage of resin, both cylinders being adjusted so as to be cooled at their upstream portions and heated at their downstream portions relative to the flow of extrusion.

REFERENCES:
patent: 2742669 (1956-04-01), Rhodes
patent: 3385917 (1968-05-01), Breukink et al.
patent: 3393427 (1968-07-01), Larsen
patent: 3609809 (1971-10-01), Slicker
patent: 3822977 (1974-07-01), Hinrichs

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