Plastic article or earthenware shaping or treating: apparatus – With separate apparatus cleaning means – Coacting with forming means or dough divider type trap chamber
Patent
1981-12-09
1983-10-11
Hayes, Lorenzo B.
Plastic article or earthenware shaping or treating: apparatus
With separate apparatus cleaning means
Coacting with forming means or dough divider type trap chamber
425345, 425353, 425354, B30B 1108
Patent
active
044089759
ABSTRACT:
A tablet press (10) comprises a plurality of dies (17), a plurality of upper rams (18) and lower rams (19) each having a ram shaft (20, 21), a plurality of ram guides (22, 23), and support means (13, 14, 15) for supporting the dies and the ram guides, the arrangement being such that each ram (18, 19) is mounted for reciprocation in an associated one of said ram guides (22, 23) and each pair of one of said upper rams (18) and one of said lower rams (19) cooperates with a respective one of said dies (17); the press further comprising an upper intermediate wall (28) having a plurality of holes (34), one for the passage of each upper ram shaft (20), the upper intermediate wall (28) engaging at its edges with the support means (13) to form a dust barrier between the dies (17) and the upper ram guides (18), and a lower intermediate wall (28') having a plurality of holes (34), one for each lower ram shaft (21), the lower intermediate wall (28') engaging at its edges with the support means (14), to form a dust barrier between the dies and the lower ram guides.
REFERENCES:
patent: 2989781 (1961-06-01), Frank
patent: 3999922 (1976-12-01), Shimada
patent: 4104014 (1978-08-01), Pearce
patent: 4145174 (1979-03-01), Goloskov et al.
patent: 4292017 (1981-09-01), Doepel
Emdener Strasse
Hayes Lorenzo B.
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