Method for manufacturing liquid-cooling jacket using a rotary tool with a pin step portion on a base side pin and a spiral groove on a tip side pin
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United States of America Patent
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Aug 13, 2024
Grant Date -
Oct 15, 2020
app pub date -
Sep 27, 2018
filing date -
Apr 2, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A method for manufacturing a liquid cooling jacket has a feature of using a primary joining rotary tool provided with a tip side pin and a base side pin having a taper angle larger than a taper angle of the tip side pin and comprising a first primary joining process in which inserting the tip side pin and the base side pin of the rotary tool that is rotating into the sealing body member and moving the rotary tool along the first abutted portion with an outer circumferential face of the base side pin being in contact with a front face of the sealing body member and with the outer circumferential face of the tip side pin being kept off a step side face of the peripheral wall step portion while having a second aluminum alloy of the sealing body member flow into the gap.
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