Production of mold charge of elastomeric material containing mag

Details Production of mold charge of elastomeric material containing mag Production of mold charge of elastomeric material containing mag

1980-09-11

1983-02-22

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

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

Cutting and uniting cut parts

83 19, 83 55, 264153, 26432817, 264DIG58, 264DIG67, 425510, 425812, B29C 1714

Patent

active

043747957

ABSTRACT:
A method for preforming magnetic drum material involves the use of a hydraulic press and sleeve which in turn compresses the material and then cuts the material into a specific shape. This process is repeated until the material builds up in the sleeve to the required charge thickness. This method has improved the molding process by eliminating air and gas voids in the molded magnetic drum.

REFERENCES:
patent: 1522795 (1925-01-01), Van Valkenburg
patent: 2045471 (1936-06-01), Kasen
patent: 2141833 (1938-12-01), Young
patent: 2268703 (1942-01-01), Dickey
patent: 2688776 (1954-09-01), Evans et al.
patent: 2745135 (1956-05-01), Gora
patent: 2943354 (1960-07-01), Gora
patent: 3344697 (1967-10-01), Schneider
patent: 3538600 (1970-11-01), Farrell et al.

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