Extrusion apparatus with adjustable flow-restricting member

Details Extrusion apparatus with adjustable flow-restricting member Extrusion apparatus with adjustable flow-restricting member

1991-06-13

1992-09-15

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Means feeding fluent stock from plural sources to common...

Extrusion shaping means

425141, 425192R, 425381, 425462, 425466, 425131100, 264171, B29C 4716, B29C 4792

Patent

active

051471957

ABSTRACT:
The present invention provides a novel extrusion apparatus that is advantageous for converging rheologically dissimilar streams. Flow transition of a converging stream can be beneficially effected. For instance, a converging stream may be specially contoured by mere mechanical adjustment of a flow-restricting member of the apparatus.

REFERENCES:
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patent: 3694292 (1972-09-01), Schippers
patent: 3877857 (1975-04-01), Melead
patent: 4533308 (1985-08-01), Cloeren
patent: 4695236 (1987-09-01), Predohl et al.
patent: 4708618 (1987-11-01), Reifenhauser et al.
patent: 4731213 (1988-03-01), Klepsch
patent: 4780258 (1988-10-01), Cloeren
patent: 4784815 (1988-11-01), Cloeren
patent: 4789513 (1988-12-01), Cloeren
patent: 5035596 (1991-07-01), Pohl

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