Trimming of compacted metal powder strip

Details Trimming of compacted metal powder strip Trimming of compacted metal powder strip

1977-03-08

1979-10-23

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Mica particles

75200, 75214, 264 37, 264118, B22F 318, B22F 324

Patent

active

041721110

ABSTRACT:
A compact in the form of a strip is manufactured from metal powder by introducing the powder into the gap between a pair of rotatable rolls. The compact so formed has unwanted longitudinally extending edge portions and these portions are removed by reducing them to powder to substantially the same particle size as that of the powder from which the compact is formed. The portions are conveniently reduced to powder by engaging them with rotary members in the form of cutters which impact the compact and break off individual particles. The powder may be recycled into the roll gap either directly or after further treatment which does not include comminution of the powder.

REFERENCES:
patent: 2928133 (1960-03-01), Schairer
patent: 3226765 (1966-01-01), Houser, Jr.
patent: 3471602 (1969-10-01), Patton et al.
patent: 3892832 (1975-07-01), Schey

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