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.
Patent No.:
Date of Patent:
Jul. 19, 2022
Filed:
Jun. 06, 2019
Applicant:
Yoshino Kogyosho Co., Ltd., Tokyo, JP;
Inventors:
Mitsuru Shiokawa, Tokyo, JP;
Hideaki Hoshino, Tokyo, JP;
Assignee:
YOSHINO KOGYOSHO CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 49/42 (2006.01); B29C 49/46 (2006.01); B29C 49/58 (2006.01); B29K 23/00 (2006.01); B29K 67/00 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
B29C 49/4289 (2013.01); B29C 49/46 (2013.01); B29C 49/58 (2013.01); B29C 2049/4664 (2013.01); B29C 2049/5803 (2013.01); B29K 2023/12 (2013.01); B29K 2067/003 (2013.01); B29L 2031/7158 (2013.01);
Abstract
In a liquid container manufacturing method, a nozzle unit includes a flow path that is configured to be opened and closed by a valve embedded in a blow nozzle, and a seal pin arranged in a pin accommodating space included in the flow path has a protruding portion configured to enter a communication space in a closed state of the valve. The liquid container manufacturing method includes a liquid blow molding step of molding a preform into the liquid container, by supplying, to an interior of the preform, a pressurized liquid.