Extrusion die

Details Extrusion die Extrusion die

1981-06-24

1983-11-08

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

Means providing a shaping orifice

425376B, B29F 304, B29D 702

Patent

active

044139730

ABSTRACT:
An extrusion die having adjacent the die lips a metering roll characterized by an axial ridge limiting a cavity in the roll surface having a different depth at leading and following edges.

REFERENCES:
patent: 2413046 (1946-12-01), Holly
patent: 2489951 (1949-11-01), Bump
patent: 2813301 (1957-11-01), Underwood
patent: 2892212 (1959-06-01), Rhodes
patent: 2981211 (1961-04-01), Emerzian
patent: 3191228 (1965-06-01), Schluter
patent: 3394431 (1968-07-01), Nalle
patent: 3602156 (1971-08-01), Verhoeven
patent: 3731345 (1973-05-01), Brackman
patent: 3956056 (1976-05-01), Bogulawski et al.
patent: 4003688 (1977-01-01), Mueller-Lobeck
patent: 4174200 (1979-11-01), Hoj

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