Colorant comminuting apparatus for plastic article forming machi

Details Colorant comminuting apparatus for plastic article forming machi Colorant comminuting apparatus for plastic article forming machi

1977-04-28

1978-12-05

Custer, Jr., Granville Y.

Solid material comminution or disintegration

Apparatus

Combined or convertible

241281, B02C 1900

Patent

active

041282116

ABSTRACT:
An apparatus is disclosed for comminuting a colored pigment bar and mixing the comminuted pigment with an uncolored plastic material to form a colored plastic material which is subsequently molded or extruded into a colored plastic article. The apparatus features a rotating, discontinuous cutting blade to minimize static electricity formation so as to allow more thorough mixing of the pigment with the uncolored material. A storage mechanism is also disclosed to store the colored pigment bars and bring them into contact with the cutting blade.

REFERENCES:
patent: 1970574 (1934-08-01), Pelosi
patent: 2672219 (1954-03-01), Skillman
patent: 3426674 (1969-02-01), Testolin
patent: 3530754 (1970-09-01), Kalman
patent: 3811627 (1974-05-01), Bradbury et al.
patent: 3941318 (1976-03-01), Ballinger et al.
patent: 4057193 (1977-11-01), Bradbury et al.

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