Polyester container having excellent heat resistance and...

Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Differential temperature conditioning

Reexamination Certificate

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Details

C264S530000, C264S906000, C425S526000, C425S525000, C164S034000, C220S319000, C428S035700, C428S034900

Reexamination Certificate

active

07833467

ABSTRACT:
A polyester container obtained by stretch-forming a preform of a thermoplastic polyester resin formed by injection forming wherein the central portion of the bottom wall is the remaining part of the gate at the time of injection forming, and is formed relatively thicker than the bottom wall surrounding the central portion, and the central portion of the bottom wall is substantially amorphous, and the bottom wall surrounding the central portion is oriented and crystallized. The container exhibits excellent heat resistance and shock resistance despite a thick portion that is the remaining portion of the injection gate is formed at the center of the bottom portion.

REFERENCES:
patent: 4929168 (1990-05-01), Jakobsen et al.
patent: 5281387 (1994-01-01), Collette et al.
patent: 5290506 (1994-03-01), Yokobayashi
patent: 5520877 (1996-05-01), Collette et al.
patent: 5840350 (1998-11-01), Salemi
patent: 5902539 (1999-05-01), Schmidt et al.
patent: 5989661 (1999-11-01), Krishnakumar et al.
patent: 6749415 (2004-06-01), Boyd et al.
patent: 0 511 617 (1992-11-01), None
patent: 1 395 026 (1975-05-01), None
patent: 1395026 (1975-05-01), None
patent: 2 137 553 (1984-10-01), None
patent: 50-47778 (1975-04-01), None
patent: 50-156439 (1975-12-01), None
patent: 53-81570 (1978-07-01), None
patent: 57-24219 (1982-02-01), None
patent: 4-144731 (1992-05-01), None
patent: 5-131528 (1993-05-01), None
patent: 5-246416 (1993-09-01), None
patent: 6-134850 (1994-05-01), None
patent: 7-309320 (1995-11-01), None
patent: 8-318923 (1996-12-01), None
patent: 11-42696 (1999-02-01), None
patent: 2003-159743 (2003-06-01), None

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