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. 15, 2025
Filed:
Jan. 06, 2022
Yoshino Kogyosho Co., Ltd., Tokyo, JP;
Mitsuru Shiokawa, Tokyo, JP;
Mitsuaki Isahai, Tokyo, JP;
YOSHINO KOGYOSHO CO., LTD., Tokyo, JP;
Abstract
A liquid-filled container manufacturing method including: the air discharge step of discharging air from an inside of a preform, by supplying a liquid at a level of pressure that does not cause stretching of the preform to the inside of the preform through an intra-tube channel formed between an inner peripheral surface of a spare supply tube extending through a blow nozzle and an outer peripheral surface of a spare supply rod provided radially inward thereof; and the liquid blow molding step of molding the preform into a container with a shape conforming to an inner surface of a mold, by stretching the preform downward using the spare supply rod and supplying a pressurized liquid to the inside of the preform through an intra-nozzle channel formed between an inner peripheral surface of the blow nozzle and the outer peripheral surface of the spare supply rod.