Plastic article or earthenware shaping or treating: apparatus – Female mold and means to shape parison directly by internal... – Including means to prepare parison
Reexamination Certificate
2006-12-12
2006-12-12
Davis, Robert B. (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
Female mold and means to shape parison directly by internal...
Including means to prepare parison
C425S541000
Reexamination Certificate
active
07147456
ABSTRACT:
The present invention relates to a mold device having a combination of molds for stretch blow molding, comprising a main blow mold5,installed on a pair of platens2by being separated into split molds5a,a pre-blow mold10,attached to a lifting device11under the area between the split molds5a,and movable in and out from the area between the split mold5a,a neck mold7,which is fitted into the pre-blow mold10and main blow mold5respectively, a blow core20,which is fitted in to the neck mold7,and a stretch rod. The pre-blow mold10comprises a cylindrical member having an open end on the upper portion, which is fitted into the neck mold7.A bottom mold8of the main blow mold5is installed in the bottom portion of the split mold5aby being separated into split bottom molds8a.Lifting cylinders9are placed under the both of the split bottom molds8ain order to make the bottom mold8movable in and out from the bottom portion of a cavity.
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Fujii Daigo
Mochizuki Takekazu
A.K. Technical Laboratory Inc.
Davis Robert B.
Weingarten Schurgin, Gagnebin & Lebovici LLP
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