Plastic article or earthenware shaping or treating: apparatus – Means feeding fluent stock from plural sources to common... – Extrusion shaping means
Patent
1986-09-19
1990-01-23
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Means feeding fluent stock from plural sources to common...
Extrusion shaping means
425570, B29C 4522
Patent
active
048955043
ABSTRACT:
A multi-coinjection nozzle injection molding machine and nozzle for co-injecting at least three streams of melt materials to form a multi-layer article. The nozzle includes at least two interfitting shells and a nozzle cap. At least one of the shells has a feed flow channel for flow of melt material which leads to an associated annular flow passageway. The shells have a symmetrical furstoconical shape and and form a fixed tapered, symmetrical, frustoconical portion of an annular passageway which terminates at a fixed, annular orifice for the flow of melt material therethrough.
REFERENCES:
patent: 3921856 (1975-11-01), Langecker
patent: 3947175 (1976-03-01), Melcher
patent: 3947177 (1976-03-01), Eckhardt
patent: 3972664 (1976-08-01), Fillmann
patent: 4035466 (1977-07-01), Langecker
patent: 4078875 (1978-03-01), Eckhardt
patent: 4117955 (1978-10-01), Sokolow
patent: 4174413 (1979-11-01), Yasuike
patent: 4315724 (1982-02-01), Taoka
patent: 4376625 (1983-03-01), Eckhardt
patent: 4470936 (1984-09-01), Potter
Fundamentals of Polymer Processing; Stanley Middleman; 1977, pp. 120-121, 1977.
Kudert Frederick G.
Latreille Maurice G.
McHenry Robert J.
Nahill George F.
Pfutzenreuter, III Henry
American National Can Company
Audet Paul R.
Durkin II Jeremiah F.
Woo Jay H.
LandOfFree
Apparatus for injection molding and injection blow molding multi 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 injection molding and injection blow molding multi, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for injection molding and injection blow molding multi will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-643211