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US Patent 7828191 Friction stir welding machine and friction stir welding tool

Patent 7828191 was granted and assigned to Kawasaki on November, 2010 by the United States Patent and Trademark Office.

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Patent abstract

The present invention is a friction stir welding machine adapted to perform solid phase welding on a welding portion of materials to be welded, by pressing a welding tool against the welding portion of the materials to be welded while rotating the welding tool, and forcing the welding tool to be advanced into a softened portion which is softened by a frictional heat while stirring the softened portion, wherein a coating made of aluminum nitride is formed on at least a region of the welding tool to be in contact with the materials to be welded.

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Patent Inventor Names
Atsushi Kato0
Mitsuo Fujimoto0
Ryoji Ohashi0
Shinji Koga0
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US Patent 07828191 Friction stir welding machine and friction stir welding tool US Patent 7828191 Friction stir welding machine and friction stir welding tool

Infobox
Patent Number
078281910
Patent Number
78281910
Edits on 20 May, 2023
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=078281910
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edited on 23 Sep, 2022
Infobox
Is a
Patent
Patent
0
Current Assignee
Kawasaki
Kawasaki
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
078281910
Date of Patent
November 9, 2010
0
Patent Application Number
117171080
Date Filed
March 13, 2007
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=078281910
Patent Primary Examiner
Roy King
Roy King
0
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edited on 3 Jun, 2022
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07828191
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 US Patent 07828191 Friction stir welding machine and friction stir welding tool

Infobox
Is a
Patent
Patent
Current assignee
Kawasaki
Kawasaki
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07828191
Date of patent
November 9, 2010
Patent application number
11717108
Date Filed
March 13, 2007
Patent primary examiner
Roy King
Roy King

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