Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles – Plural – intermittent pressure applying
Patent
1987-04-16
1991-10-22
Theisen, Mary Lynn
Plastic and nonmetallic article shaping or treating: processes
Forming articles by uniting randomly associated particles
Plural, intermittent pressure applying
264109, 264334, 425261, 425359, 425415, 425422, 425423, B29C 4304, B29C 4336
Patent
active
050593722
ABSTRACT:
There is disclosed a novel process and apparatus for producing compressed solid briquettes from particulate materials, such as sawdust and like waste by-products wherein the particulate material is compressed into a predetermined briquette-shaped cavity of a mold member and subjected to sufficient compression forces to form the compressed solid briquette whereupon, after removal of the compression forces, the mold member is indexed to a position to permit discharge from the mold cavity of the thus formed compressed solid briquette.
REFERENCES:
patent: 3154812 (1964-11-01), Haller
patent: 3736085 (1973-05-01), Mitchell
patent: 4544342 (1985-10-01), Werz et al.
patent: 4649006 (1987-03-01), Heggenstaller
Marn Louis E.
Theisen Mary Lynn
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