Blow molding apparatus

Details Blow molding apparatus Blow molding apparatus

2006-02-21

2006-02-21

McDowell, Suzanne E. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Including application of internal fluid pressure to hollow...

C425S532000

Reexamination Certificate

active

07001566

ABSTRACT:
An apparatus for blow-molding a parison, the apparatus comprising a mold defining a cavity into which a parison may be introduced for blow-molding, a die for extruding the parison into said cavity, and means for blowing a gas around the outside of the parison in said cavity, the means for blowing a gas around the parison comprising (a) a distributor located at the entrance of the mold cavity for emitting gas around the circumference of the parison and (b) means for injecting gas directly into said distributor, wherein during use the die is separated from the distributor by unenclosed space.

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Patent Abstracts of Japan, vol. 014, No. 399 (M-1001) (May 2, 1990) (JP 02 117809 A).

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