METHOD FOR MANUFACTURING LIQUID-COOLED JACKET
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United States of America Patent
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Issued Date -
Jan 11, 2024
app pub date -
Sep 20, 2023
filing date -
Jul 19, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention is characterized by including a primary joining process to perform friction stirring to a first butted portion by moving a stirring pin one round around a sealing body with a predetermined depth along a set moving track set at an inner position relative to an outer peripheral side face in a state that only the stirring pin of a rotary tool being rotated is inserted into the sealing body and that an outer circumferential face of the stirring pin is slightly in contact with a step side face of a peripheral wall step portion. In the primary joining process, after only the stirring pin being rotated is inserted into a starting position set at a position on an inner side relative to the set moving track, the stirring pin is gradually inserted to the predetermined depth while an axis of the rotary tool is moved to a position on the set moving track.
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