Mold for a container blow molding machine, comprising a...

Details Mold for a container blow molding machine, comprising a... Mold for a container blow molding machine, comprising a...

2005-07-28

2010-10-12

Davis, Robert B (Department: 1791)

Plastic article or earthenware shaping or treating: apparatus

Female mold and means to shape parison directly by internal...

Including product ejector

C425S437000

Reexamination Certificate

active

07811079

ABSTRACT:
Mold for a blow molding machine for manufacturing containers from parisons, the mold including a lateral wall and a mold bottom (7) together defining a cavity for receiving parison, the cavity being generally symmetrical with respect to a main axis, the mold bottom (7) being provided with a gas conduit (12) opening into the cavity for injecting into the same a pressurized gas in order to facilitate withdrawing of the blow molded container, wherein the mold further including a groove (16) provided on an internal face (15) of the mold bottom (7), the groove (16) extending along a closed contour around the main axis, and wherein the conduit (12) opens into the groove (16).

REFERENCES:
patent: 2699198 (1955-01-01), Balzhiser
patent: 3316594 (1967-05-01), Uldry et al.
patent: 5840352 (1998-11-01), Shimizu et al.
patent: 2004/0070119 (2004-04-01), Fibbia et al.
patent: 2005/0073077 (2005-04-01), Whitley
patent: 59-1226 (1984-01-01), None
patent: 4-131220 (1992-05-01), None
patent: 5-345350 (1993-12-01), None
patent: 2000102970 (2000-04-01), None
patent: 2001-88202 (2001-04-01), None
Partial machine translation of JP-05345350-A dated Dec. 1993 obtained from the JPO website.

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