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1. (WO2018221645) ENDLESS RING MANUFACTURING METHOD AND ENDLESS RING

Pub. No.:    WO/2018/221645    International Application No.:    PCT/JP2018/020933
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Fri Jun 01 01:59:59 CEST 2018
IPC: B21D 53/14
C21D 9/40
F16G 5/16
Applicants: AISIN AW CO., LTD.
アイシン・エィ・ダブリュ株式会社
Inventors: OCHI, Akira
越智 亨
ISHIHARA, Wataru
石原 亘
MIYAKE, Takayuki
三宅 孝幸
KATSUDA, Masahiko
勝田 匡彦
ITO, Yohei
伊藤 洋平
Title: ENDLESS RING MANUFACTURING METHOD AND ENDLESS RING
Abstract:
An endless ring used for a transmission belt in a belt-type continuously variable transmission is formed by abutting ends of band-shaped metal plates against each other and welding. The endless ring is formed with an opening portion in a position away from a welded portion in the width direction of the endless ring.