Plastic article or earthenware shaping or treating: apparatus – With means cleaning and purifying atmosphere surrounding...
Patent
1975-04-16
1976-12-28
Flint, Jr., J. Howard
Plastic article or earthenware shaping or treating: apparatus
With means cleaning and purifying atmosphere surrounding...
425345, 425353, 425354, B30B 1108, B29C 100
Patent
active
039999220
ABSTRACT:
A rotary tableting machine has a detachable covering enclosing the principal part of the machine including a turntable. Clean air is introduced into the interior of the covering to collect the powder which is scattered in the air due to the operation of the machine and which would otherwise cause various troubles and stain the room.
REFERENCES:
patent: 2043086 (1936-06-01), Westin et al.
patent: 2638626 (1953-05-01), Golwynne
patent: 2997741 (1961-08-01), Crossley
patent: 3671157 (1972-06-01), Smith
Flint, Jr. J. Howard
Oujevolk George B.
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