Method and device for blow molding workpieces by means of a...

Details Method and device for blow molding workpieces by means of a... Method and device for blow molding workpieces by means of a...

2011-06-14

2011-06-14

Huson, Monica A (Department: 1742)

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Including application of internal fluid pressure to hollow...

C264S523000, C425S529000, C425S535000

Reexamination Certificate

active

07959850

ABSTRACT:
Disclosed are a method and a device for blow forming containers (2). A parison (1) is stretched by means of a stretching rod (11) within a blow mold and molded into the container (2) by applying blow pressure following thermal conditioning. Pressurized gas is introduced into the container (2) through the stretching rod (11). The pressurized gas is laterally introduced from a pressure chamber into an interior space of the stretching rod (11). The stretching rod comprises at least one passage opening (53) between a tip (51) facing the blow mold and an end (52) of the stretching rod, which faces away from the blow mold. Said passage opening (53) extends into the interior space of the rod so as to deliver the pressurized gas.

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