US Patent 10421150 Friction stir welding device
Patent 10421150 was granted and assigned to Hitachi on September, 2019 by the United States Patent and Trademark Office.
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Patent abstract
The invention is directed to a friction stir welding device which can realize appropriate friction stir welding while preventing a welding tool from being worn out and damaged. Therefore, the friction stir welding device is provided with a welding tool which rotates while abutting on a member to be welded to cause a plastic flow phenomenon in the member to be welded, a tool holder which grasps the welding tool and rotates together with the welding tool, supply paths which are formed in the tool holder and supply a refrigerant to the welding tool.
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Patent Inventor Names
Koichi Ishiguro0
Tomio Odakura0
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Patent Number
104211500
Date of Patent
September 24, 2019
0Patent Application Number
160970030
Date Filed
April 25, 2017
0Official Website
Patent Primary Examiner
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US Patent 10421150 Friction stir welding device
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
10421150
Date of patent
September 24, 2019
Patent application number
16097003
Date Filed
April 25, 2017
Patent primary examiner
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