Extrusion die for thermoplastic resin

Details Extrusion die for thermoplastic resin Extrusion die for thermoplastic resin

1989-10-31

1991-07-09

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Stock pressurizing means operably associated with downstream...

4253824, B29C 4720

Patent

active

050300822

ABSTRACT:
An extrusion die for a plastified thermoplastic resin has an outer part, an inner part inside the outer part and defining with it an annular passage, and webs supporting the inner part on the outer part and defining branch passages connecting an inlet passage formed by the parts to the annular passage. A restriction collar downstream of the branch passages is formed with teeth projecting only partly transversely across the annular passage and leaving an annular space clear for resin throughflow.

REFERENCES:
patent: 1876256 (1932-09-01), Maynard
patent: 2859475 (1956-08-01), Tornberg
patent: 3193879 (1965-07-01), Corbett
patent: 3195183 (1965-07-01), Phillips
patent: 3709645 (1973-01-01), Mraz
patent: 4224272 (1980-09-01), Klein
patent: 4249877 (1981-02-01), Machen
patent: 4290989 (1981-09-01), Topor
patent: 4459250 (1984-07-01), Miura
patent: 4468366 (1984-08-01), Socha, Jr.
patent: 4595546 (1986-06-01), Wheeler, Jr.
patent: 4826422 (1989-05-01), Hunter

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