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:
Apr. 16, 2002
Filed:
Apr. 25, 2000
Toshiba Battery Co., Ltd., Tokyo, JP;
Abstract
This manufacturing method of batteries that comprises the steps of accommodating a battery element in an envelope film body of which one end side is opened to form an opening for injecting an electrolytic solution; and sealing the opening after the electrolytic solution is injected from the opening of the envelope film body ; wherein an opening side of the envelope film body is made larger than a prescribed shape and dimension to use as a temporary reservoir region of an injected electrolytic solution , after injection of a prescribed amount of the electrolytic solution the region of the prescribed shape and dimension being sealed and cut to form a battery. According to the method, a manufacturing method of batteries that can not only make smaller and lighter the batteries but also mass-produce batteries of high quality can be provided.