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:
Nov. 29, 2022

Filed:

Oct. 25, 2018
Applicant:

Yoshino Kogyosho Co., Ltd., Tokyo, JP;

Inventors:

Yuichi Okuyama, Tokyo, JP;

Hideaki Hoshino, Tokyo, JP;

Mitsuru Shiokawa, Tokyo, JP;

Kenichi Suyama, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 49/46 (2006.01); B29C 49/12 (2006.01); B29C 49/42 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
B29C 49/46 (2013.01); B29C 49/12 (2013.01); B29C 2049/4294 (2013.01); B29C 2049/4664 (2013.01); B29L 2031/7158 (2013.01);
Abstract

A method of manufacturing a liquid container, in which, a nozzle unit includes a blow nozzle having a supply port and a spare supply tube having, at a lower end thereof, a spare supply port. The method includes: an air exhausting step of exhausting the air in the preform to the outside by supplying a liquid into the preform from the spare supply port located at a bottom portion of the preform; a liquid blow molding step of molding the preform into a liquid container by supplying a pressurized liquid from the supply port into the preform; and a headspace forming step of forming a headspace by exhausting the liquid from the inside of the liquid container.


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