Plastic article or earthenware shaping or treating: apparatus – Sets of press couples comprising registering female mold... – Mounted on rolls
Patent
1975-11-07
1977-04-12
Flint, Jr., J. Howard
Plastic article or earthenware shaping or treating: apparatus
Sets of press couples comprising registering female mold...
Mounted on rolls
425363, 425449, 425208, 198657, B29C 300, B29C 1500, B30B 300
Patent
active
040172414
ABSTRACT:
Frictional drag on the feeder screw of a briquetting press is reduced and a concomitant reduction in feeder screw drive power requirements is realized by providing all but the lowermost flight on the feeder screw with regularly spaced notches to allow the reverse flow of limited amounts of the material being fed to the press.
REFERENCES:
patent: 662173 (1900-11-01), McGrath
patent: 2632203 (1953-03-01), Laubarede
patent: 3652064 (1972-03-01), Lehnen et al.
patent: 3824054 (1974-07-01), Harris
patent: 3901635 (1975-08-01), Greenberger
patent: 3932086 (1976-01-01), Kasamatsu
patent: 3941535 (1976-03-01), Street
Papinchak Michael J.
Ravasio Dino
Carney John F.
Flint, Jr. J. Howard
United States Steel Corporation
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