Plastic article or earthenware shaping or treating: apparatus – Female mold and means to shape parison directly by internal... – Plural female molds and means to shape parison at each...
Patent
1984-03-28
1987-03-10
Richman, Barry S.
Plastic article or earthenware shaping or treating: apparatus
Female mold and means to shape parison directly by internal...
Plural female molds and means to shape parison at each...
4254514, 425541, B29C 4956
Patent
active
046488316
ABSTRACT:
A blow molding apparatus wherein a plurality of circumferentially spaced sets of molds are provided for rotation about a horizontal axis and plastic material is extruded in tubular form between the mold sections of each set of molds and the molds are closed and the portion of the plastic within each mold section is blown to form a hollow article, a slide assembly for mounting the radially outermost mold section of each set of molds comprising a base, a slide on the base providing a mold support for one mold section and adapted to move radially toward and away from the other mold section associated with the section supported by the slide, a cam follower slidable upon the base and linkage between the cam follower and the slide operable to provide a rapid movement of the mold support radially inwardly and radially outwardly as the cam follower follows an annular cam in the machine.
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Owens--Illinois, Inc.
Rice Philip M.
Richman Barry S.
Woodard Joye L.
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