METHOD FOR PRODUCING METAL MEMBER

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United States of America Patent

SERIAL NO

15560311

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Abstract

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The method includes a step of preparing a first member made of a first metal and a second member made of a second metal having a smaller deformation resistance than the first metal, and a step of joining the first member and the second member. The step of joining includes a step of heating the first member and the second member by relatively rotating the first member and the second member, while pressing the first member and the second member against each other, without changing a relative positional relationship therebetween, and a step of cooling the first member and the second member heated, while being pressed against each other. In a first contact surface which is a surface of the first member coming into contact with the second member, a recess is formed so as to include a region intersecting the axis of rotation.

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Patent Owner(s)

Patent OwnerAddress
KOMATSU LTD2-3-6 AKASAKA MINATO-KU TOKYO 107-8414

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
AMANO, Masaharu Hirakata-shi, JP 31 104
MATSUYAMA, Toshikazu Hirakata-shi, JP 11 3
SHIBATA, Yoshitaka Hirakata-shi, JP 21 171

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