US Patent 10461308 Sealed battery and method of manufacture
Patent 10461308 was granted and assigned to Toyota on October, 2019 by the United States Patent and Trademark Office.
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Patent abstract
A sealed battery according to the disclosure includes: a case provided with a case body having an opening therein and a lid that is sized so as to be capable of closing the opening and that has an electrolyte fill port; an electrode assembly that is housed in the case; and an electrolyte solution. The lid is provided with a filler plug that is welded to the lid so as to close the fill port. The lid has an outside surface with a region thereon subjected to electrolyte-repelling treatment so as to surround the weld where the filler plug is welded.
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Patent Inventor Names
Keiichiro Kobayashi0
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Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
104613080
Date of Patent
October 29, 2019
0Patent Application Number
149593480
Date Filed
December 4, 2015
0Patent Primary Examiner
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US Patent 10461308 Sealed battery and method of manufacture
Infobox
Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
10461308
Date of patent
October 29, 2019
Patent application number
14959348
Date Filed
December 4, 2015
Patent primary examiner
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