Plastic article or earthenware shaping or treating: apparatus – Female mold and means to shape parison directly by internal... – Including means to prepare parison
Patent
1979-10-01
1981-04-07
Silbaugh, Jan H.
Plastic article or earthenware shaping or treating: apparatus
Female mold and means to shape parison directly by internal...
Including means to prepare parison
425541, 425451, 4254513, B29C 1707
Patent
active
042603587
ABSTRACT:
A molding device for the manufacture of hollow plastic articles comprising of a two part separable mold, a pre-cast station, a blow station, means for moving the mold halves between the closed and open positions, and means for moving the mold between the preform station and blow station. The mold is supported for movement between the open and closed position by a single supporting spar and locking means are employed for locking the mold parts in the closed position.
REFERENCES:
patent: 3277534 (1966-10-01), McDonald
patent: 3964852 (1976-06-01), Marfiewicz
Blodgett Gerry A.
Blodgett Norman S.
Silbaugh Jan H.
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