Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Including application of internal fluid pressure to hollow...
Reexamination Certificate
2007-02-08
2009-10-13
Davis, Robert B (Department: 1791)
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Including application of internal fluid pressure to hollow...
C425S532000, C425S534000, C425S537000, C425S538000
Reexamination Certificate
active
07601292
ABSTRACT:
The blow molding machine is characterized in that that the preferably two closing units can be reciprocated along a first guide path extending in a direction transverse to a second guide path which extends from a central removal position of the first guide path to the insertion device, the lower closing plates with the lower mold halves of the two closing units being alternately movable on the second guide path from the removal position to the insertion device and back. The blow molding machine is characterized by an improved mode of operation.
REFERENCES:
patent: 5030083 (1991-07-01), Kohno et al.
patent: 5288224 (1994-02-01), Yamamura et al.
patent: 5576034 (1996-11-01), Kiefer et al.
patent: 7300273 (2007-11-01), Koetke
patent: 2003/0091683 (2003-05-01), Johnson
patent: 2004/0155386 (2004-08-01), Gonda et al.
patent: 1614524 (2006-11-01), None
patent: WO0123164 (2001-05-01), None
European Search Report, dated Dec. 4, 2008.
Bekum Maschinenfabriken GmbH
Davis Robert B
Greer Burns & Crain Ltd.
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