Method and apparatus for producing foamed products from a mix of

Details Method and apparatus for producing foamed products from a mix of Method and apparatus for producing foamed products from a mix of

1982-12-30

1984-05-15

Anderson, Philip E.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By gas forming or expanding

264 37, 264140, 264151, 264321, 264DIG15, 264DIG69, 425202, 425205, 425289, 425817C, B29D 2700, B29C 1703, B29H 1900

Patent

active

044487371

ABSTRACT:
A system and a method for the production of thermoformable plastic foam material from a mix of plastic foam selvage and a foamable virgin plastic resin. Accordingly, the present invention provides for a selvage formed during the production of thermoformed foam material articles from a plastic foam sheet stock is recycled and admixed with the virgin foamable plastic resin, in that the material components are admixed in a feed hopper and then conducted from the feed hopper into a twin-screw compressor which will impart a positive forward feed to the compressible plastic materials conveyed therethrough.

REFERENCES:
patent: 3065502 (1962-11-01), Lorenian
patent: 4136142 (1979-01-01), Hargreaves et al.
patent: 4246211 (1981-01-01), Kuhnel
F. H. Collins, "Controlled Density Polystyrene Foam Extrusion", SPE Journal, Jul. 1960, pp. 705-709.

Affiliated with

Also associated with

Rating

Method and apparatus for producing foamed products from a mix of does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for producing foamed products from a mix of, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for producing foamed products from a mix of will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-844325