Tabletting machines

Details Tabletting machines Tabletting machines

1983-06-30

1984-10-09

Lowe, James

Plastic article or earthenware shaping or treating: apparatus

Female mold and opposed coaxial dynamic press members

Mold or press member traveling transversely to molding motion

425345, 425355, 425457, 425469, 425DIG35, B30B 700

Patent

active

044758804

ABSTRACT:
A tabletting machine having a ring-shaped die table rotatable about a generally upwardly extending axis and having dies arranged at a die surface. Punches supported in the die table and reciprocably driven with respect to the dies cooperate with punches semi-rigidly mounted on a rotatable hub to form and eject tablets from the dies. The hub is rotated to move the punches mounted thereon in a circular path to enter and exit the dies in a predetermined sequence. Individual pump means associated with the punches in the die table and means for catching and extracting loose tabletting material falling from the dies serve to reduce contamination of the many parts of the machine by the tabletting material.

REFERENCES:
patent: 215452 (1879-05-01), Gill
patent: 3075244 (1963-01-01), Glenn
patent: 3565016 (1971-02-01), Christie
patent: 3566806 (1971-03-01), Porster et al.
patent: 3647331 (1972-03-01), Kuratomi
patent: 3677673 (1972-07-01), Shapiro
patent: 3836299 (1974-09-01), Houston et al.
patent: 3918873 (1975-11-01), Crossley et al.
patent: 4259049 (1981-03-01), Willich

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