P.E.T. off-center neck bottle and its manufacturing method

Details P.E.T. off-center neck bottle and its manufacturing method P.E.T. off-center neck bottle and its manufacturing method

2006-04-25

2006-04-25

Colaianni, Michael P. (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...

C264S531000, C264S534000

Reexamination Certificate

active

07033535

ABSTRACT:
For the manufacture of a polyethylene terephalate (P.E.T.) bottle with an off-centre neck, a preform is heated and its body is slightly angled with respect to its neck by sideways displacement. The preform is inserted in a blowing mould. A tilted stretching rod is advanced into the preform at the same time as it is blown to shape in the mould. The finished bottle has its neck off-centre with respect to the rest of the bottle.

REFERENCES:
patent: 3408692 (1968-11-01), Schaich
patent: 3608017 (1971-09-01), Cines
patent: 5178817 (1993-01-01), Yamada et al.
patent: 0361141 (1990-04-01), None
Patent Abstracts of Japan, vol. 014, No. 286 (M-0986) Jun. 18, 1990 & JP 02 086424 A (Nissei EE S B Kikai KK), Mar. 27, 1990 abstract.

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