Rotating joint for extrusion die

Details Rotating joint for extrusion die Rotating joint for extrusion die

1978-03-24

1980-05-20

Thurlow, Jeffery R.

Plastic article or earthenware shaping or treating: apparatus

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

Extrusion shaping means

264173, 4251331, 425462, B29F 304

Patent

active

042037158

ABSTRACT:
A rotating joint assembly for feeding an extrusion die with two or more thermoplastic layers of a consistent uniformity of distribution including a stationary manifold for receiving two or more thermoplastic streams and conveying the streams to discharge openings in the manifold, and a cylindrical conduit rotatably connected to the manifold, the conduit having intake openings aligned with discharge openings in the stationary base for receiving and conveying thermoplastic streams from the base to an extrusion die and an axial channel aligned with an axial channel in the stationary manifold for receiving and conveying one of the thermoplastic streams to the die.

REFERENCES:
patent: 2174779 (1939-10-01), Delorme
patent: 3520966 (1970-07-01), Soffiantini
patent: 3802826 (1974-04-01), St. Eve
patent: 3966861 (1976-06-01), Papesh et al.

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