Preform holding jig for biaxial orientation blow molding

Details Preform holding jig for biaxial orientation blow molding Preform holding jig for biaxial orientation blow molding

2006-08-01

2006-08-01

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

C425S529000, C425S533000

Reexamination Certificate

active

07083407

ABSTRACT:
A holding jig for such a preform formed of a synthetic resin into a bottomed cylindrical shape as is to be assembled by inserting a mouth cylinder portion to an insertion limit into the leading end portion of a cylindrical jig body having a pin inserting bore formed therethrough at its center for a drawing pin to be inserted thereinto. The holding jig comprises a support portion disposed in the inner circumference of the leading end portion of the jig body at a position to confront a peripheral projecting ridge of the mouth cylinder portion, for making such external contact with the outer circumference of the peripheral projecting ridge as to insert and extract of the mouth cylinder portion, thereby to hold the assembled posture of the preform. The holding jig can hold the preform stably in a predetermined posture thereby to achieve a high productivity for the biaxial orientation blow-molded bottle.

REFERENCES:
patent: 5032700 (1991-07-01), Sugiyama et al.
patent: 5340302 (1994-08-01), Ingram
patent: 5711913 (1998-01-01), Seki et al.
patent: A 58-154415 (1983-09-01), None
patent: 60062923 (1985-05-01), None
patent: A 63-307928 (1988-12-01), None
patent: 04059221 (1992-02-01), None
patent: A 7-290562 (1995-11-01), None
patent: A 9-314650 (1997-12-01), None
patent: WO 9713632 (1997-04-01), None

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