Multilayer tubular extrusion die

Details Multilayer tubular extrusion die Multilayer tubular extrusion die

1978-03-27

1980-01-08

Rosenbaum, Mark

Plastic article or earthenware shaping or treating: apparatus

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

Extrusion shaping means

425380, 425462, 425467, B29D 2304

Patent

active

041826035

ABSTRACT:
A coextrusion die for extruding multilayer thermoplastic material in the form of a tube. The die is of the type known as a spiral mandrel die wherein the die mandrels are provided with helical grooves on their peripheries. At least one spiral mandrel has helical grooves of opposite hand than those of the remaining mandrels.

REFERENCES:
patent: 3281897 (1966-11-01), Mercer
patent: 3649143 (1972-03-01), Papesh et al.

Affiliated with

Also associated with

Rating

Multilayer tubular extrusion 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 Multilayer tubular extrusion die, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multilayer tubular extrusion die will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1940622