Die for extruding one or more fluid streams

Details Die for extruding one or more fluid streams Die for extruding one or more fluid streams

1996-06-24

1998-05-12

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

118315, 2641761, 425382R, 425463, B29C 4710

Patent

active

057501599

ABSTRACT:
A die for use in extrusion or coating processes includes an insert that is releasably received in a chamber of a die housing, and the insert has one or more flow-controlling peripheral surfaces that extend in an arc about its central axis. In one embodiment of the invention, the insert has ribs that separate the chamber into distinct parts for passage of two or more different fluid streams. In another embodiment, the insert is movable in an arc about its central axis from a first position wherein fluid is discharged through an outlet passageway, and to a second position wherein the flow of fluid through the outlet passageway is interrupted.

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Patent Abstracts of Japan, vol. 004, No. 029 & JP 55 003985.
Derwent Abstract, Week 7941 & SU 642 202.

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