Coextrusion die

Details Coextrusion die Coextrusion die

1983-03-30

1985-01-08

Thurlow, Jeffery

Plastic article or earthenware shaping or treating: apparatus

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

Extrusion shaping means

264173, 4251331, 425192R, 425462, B29F 304

Patent

active

044925492

ABSTRACT:
A coextrusion die for the extrusion of plastics materials in the shape of a tubular film comprising supply means for separately supplying at least two plastics materials to said die, a distribution channel system connected to each supply means, each distribution channel system comprising at least two arched channels provided in different axial planes, the ends of each arched channel being connected to the middle portion of the following arched channel and the distribution channel systems being located at different distances from the center axis of the die, collecting chambers communicating with said distribution channel systems and an annular extrusion slot communicating with the collecting chambers.

REFERENCES:
patent: 2820249 (1958-01-01), Colombo
patent: 3418687 (1968-12-01), Albert
patent: 3649143 (1972-03-01), Papesh et al.
patent: 3756758 (1973-09-01), Prall
patent: 3809515 (1974-05-01), Farrell
patent: 3890083 (1975-06-01), St. Eve
patent: 4167383 (1979-09-01), Murakami et al.
patent: 4182603 (1980-01-01), Knittel
patent: 4185954 (1980-01-01), Murakami et al.
patent: 4201532 (1980-05-01), Cole
patent: 4268239 (1981-05-01), Herrington, Jr.
patent: 4368017 (1983-01-01), Rasmussen
patent: 4403934 (1983-09-01), Rasmussen et al.

Affiliated with

Also associated with

Rating

Coextrusion die does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Coextrusion die, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Coextrusion die will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-112304