Lubrication of extruded materials

Details Lubrication of extruded materials Lubrication of extruded materials

1969-12-31

1976-06-29

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Random variegated coloring during molding

By extrusion

264176R, 264211, 264245, 264349, B29C 2100

Patent

active

039668576

ABSTRACT:
A method for extruding synthetic resinous materials including introducing a mixture of softened variously or similarly colored or clear resinous chips into an extruder, coating the chips with a coating agent such as a lubricant in the barrel of the extruder, extruding the mixture through an extrusion die thereby to produce a finished product of fused resinous chips maintaining good color definition between the chips.

REFERENCES:
patent: 2298846 (1942-10-01), Skooglund
patent: 2477170 (1949-07-01), Broderson et al.
patent: 2540146 (1951-02-01), Stober
patent: 2798258 (1957-07-01), Allan et al.
patent: 2806254 (1957-09-01), Craig
patent: 2857624 (1958-10-01), Hanzel et al.
patent: 3049761 (1962-08-01), Yakubik
patent: 3066356 (1962-12-01), Porter
patent: 3121914 (1964-02-01), Olson et al.
patent: 3148412 (1964-09-01), Spreeuwers
patent: 3484507 (1969-12-01), Smith

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