The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 16, 2024

Filed:

Apr. 08, 2020
Applicant:

Nissei Asb Machine Co., Ltd., Nagano, JP;

Inventor:

Kiyonori Shimada, Nagano, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 49/12 (2006.01); B29C 49/06 (2006.01); B29C 49/16 (2006.01); B29D 22/00 (2006.01); B29C 49/00 (2006.01);
U.S. Cl.
CPC ...
B29C 49/06 (2013.01); B29C 49/12 (2013.01); B29C 49/16 (2013.01); B29D 22/003 (2013.01); B29C 49/0005 (2013.01); B29K 2023/06 (2013.01);
Abstract

The present application includes an injection molding step and a stretch blow molding step. The stretch blow molding step is configured to include: a first step in which preliminary blow air is introduced into a preform to stretch the preform in a state in which a stretching rod does not contact the bottom of the preform; a second step which is executed after the first step, and in which the preliminary blow air is introduced into the preform and the stretching rod is moved at a set speed and pressed against the bottom of the preform to stretch the preform; and a third step which is executed after the second step, and in which final blow air is introduced into the preform to stretch the preform.


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