Apparatus for continuous extrusion

Details Apparatus for continuous extrusion Apparatus for continuous extrusion

1981-05-15

1982-12-07

Thurlow, Jeffery R.

Plastic article or earthenware shaping or treating: apparatus

Means for molding powdered metal

Continuous length product formation

72 60, 72261, 72262, 425190, 425224, 425374, 425376B, 425378R, B21C 2321

Patent

active

043624855

ABSTRACT:
Apparatus for continuous extrusion has a rotatable wheel with an endless groove therein, a relatively stationary shoe member overlying part of the groove lengthwise, a portion of the shoe member projecting part way into the groove and being constituted at least partly by a die assembly which includes a separate and replaceable abutment member which projects into the groove to block it. The die assembly can have separate and replaceable components constituting a feed chamber, a die throat, and optionally a mandrel supported in the die throat for producing tubular extrusion products. Cooling of the die assembly is also envisaged.

REFERENCES:
patent: 3153688 (1964-10-01), Marshall
patent: 3765216 (1973-10-01), Green
patent: 3872703 (1975-03-01), Green
patent: 4044587 (1977-08-01), Green et al.
patent: 4101253 (1978-07-01), Etherington
patent: 4111023 (1978-09-01), Moreau
patent: 4142805 (1979-03-01), Tadmor
patent: 4163377 (1979-08-01), Moreau
patent: 4277968 (1981-07-01), Pardoe

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