Apparatus for extruding multiple synthetic resins

Details Apparatus for extruding multiple synthetic resins Apparatus for extruding multiple synthetic resins

1991-03-14

1992-11-10

Heibrink, Tim

Plastic article or earthenware shaping or treating: apparatus

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

B29C 4516

Patent

active

051621215

ABSTRACT:
A nozzle device for extruding multiple synthetic resins as a resin composite, having a main extrusion flow passage having a main extrusion opening, a subsidiary extrusion flow passage having a subsidiary extrusion opening, at least a downstream portion of the subsidiary extrusion flow passage being disposed in the main extrusion flow passage, and an opening-closing member for opening or closing the subsidiary extrusion opening. The nozzle device further has an auxiliary extrusion flow passage which has an auxiliary extrusion opening and at least a downstream portion of which extends through the main extrusion flow passage as it surrounds the downstream portion of the subsidiary extrusion flow passage. The auxiliary extrusion opening is positioned downstream of the subsidiary extrusion opening and the downstream end portion of the auxiliary extrusion flow passage has a tapered part. The auxiliary extrusion flow passage is designed such that when the opening-closing member is held at a position at which it closes the subsidiary extrusion opening, a synthetic resin flowing through the auxiliary extrusion flow passage and extruded into the main extrusion flow passage through the auxiliary extrusion opening flows while undergoing collision with the forward end portion of the opening-closing member.

REFERENCES:
patent: 4497621 (1985-02-01), Kudert et al.
patent: 4808101 (1989-02-01), Schad et al.
patent: 5028226 (1991-07-01), De'ath

Affiliated with

Also associated with

Rating

Apparatus for extruding multiple synthetic resins does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for extruding multiple synthetic resins, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for extruding multiple synthetic resins will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2291223