Method for the manufacture of granular grit for use as abrasives

Details Method for the manufacture of granular grit for use as abrasives Method for the manufacture of granular grit for use as abrasives

1981-06-09

1983-07-12

Czaja, Donald E.

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

To form particulate product

264118, 264119, 264140, 264141, 264142, B02C 414

Patent

active

043930212

ABSTRACT:
A pasty mix of granular grits, binder and filler is pressed through a sieve web by rolling action to form cylindrical, worm-like extrusions. After hardening in a heating duct the extrusions are subjected to the same action and thereby granular grit particles are formed each of which contains several grits.
The apparatus for carrying out the method includes a sieve web which co-operates with a rotor having several freely rotatable rollers around its periphery.

REFERENCES:
patent: 2194472 (1940-03-01), Jackson
patent: 3414640 (1968-12-01), Garetto et al.
patent: 3670467 (1972-06-01), Walker
patent: 3859407 (1975-01-01), Blanding et al.
patent: 4148627 (1979-04-01), Haley
patent: 4219521 (1980-08-01), Baumann
patent: 4279579 (1981-07-01), Froeschke

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