Method of manufacturing a large- or medium-sized wheel disk and a product manufactured thereby

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United States of America Patent

PATENT NO 10144050
APP PUB NO 20170355009A1
SERIAL NO

15689510

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Abstract

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A method of manufacturing a large- or medium-sized wheel disk including using a punch or die in a first step of ironing a blank of a flat plate to a first-stage product. The first-stage product having a cylindrical rising portion with an axially non-constant thickness. The rising portion includes a thick portion located at a tip portion of the rising portion and a thickness-reduced portion which is a remaining portion of the rising portion excluding the thick portion. During the first step, only a portion of the blank corresponding to the thickness-reduced portion is ironed.

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Patent Owner(s)

Patent OwnerAddress
TOPY KOGYO KABUSHIKI KAISHA2-2 OSAKI 1-CHOME SHINAGAWA-KU TOKYO 141-8634

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Itou, Kikuya Ebina, JP 2 3
Suzui, Yoshio Ayase, JP 2 3
Takeuchi, Koji Ayase, JP 79 719

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