Plastic article or earthenware shaping or treating: apparatus – Female mold and means to shape parison directly by internal... – Including means to prepare parison
Patent
1978-10-20
1980-10-14
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
425183, 425541, B29C 1707
Patent
active
042278716
ABSTRACT:
This improvement in injection blow molding machines provide simple and effective apparatus for adjusting the location of the clamping apparatus that holds a mold closed with the holding force applied at or close to alignment with the center of pressure of the air that is introduced into the mold cavity. The invention is primarily for use with the blowing mold where the center of pressure varies widely from one mold to another, depending upon the size and shape of the cavities in which the parison on a core rod is expanded to fill the mold cavity.
REFERENCES:
patent: 3642410 (1972-02-01), Bourgeois
patent: 3778210 (1973-12-01), Heath, Jr. et al.
patent: 3884609 (1975-05-01), Britten
Rainville Dewey
Wunderlich Ernst D.
Calimafde John M.
Hopgood Roy C.
Neill Charles W.
Rainville Company Inc.
Silbaugh Jan H.
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