Ram-extrusion apparatus for non-melt fabricable polymeric resins

Details Ram-extrusion apparatus for non-melt fabricable polymeric resins Ram-extrusion apparatus for non-melt fabricable polymeric resins

1979-08-09

1981-05-12

Thurlow, Jeffery R.

Plastic article or earthenware shaping or treating: apparatus

With means applying coating material to work or work contact...

To work contact means upstream of shaping means

264126, 264176R, 264323, 264337, 425107, 425376R, 425376A, 425436R, 425461, B29F 306, B29F 3014

Patent

active

042669197

ABSTRACT:
In an apparatus for the ram-extrusion of non-melt fabricable polymeric resin comprising means for forcing the resin through a forming die from an extrusion chamber, the improvement wherein the ram head comprises at least about 10 percent fluoropolymer.

REFERENCES:
patent: 2736057 (1956-02-01), Davis et al.
patent: 3132379 (1964-05-01), Crane
patent: 3249588 (1966-05-01), Gall
patent: 3757718 (1973-09-01), Johnson
patent: 3942937 (1976-03-01), Prober et al.
patent: 3966390 (1976-06-01), Nakano et al.
patent: 3995979 (1976-12-01), Fedrigo

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