Title:
自動車用ホイールディスク、及び、自動車用ホイールディスクの製造方法
Document Type and Number:
Japanese Patent JP7118551
Kind Code:
B2
Abstract:
A vehicle wheel disc includes a flat plate-shaped hub-mounted part, a cylindrical rim-mounted part, and a hat-shaped part. The hat-shaped part includes a hat top portion, a hat inner peripheral portion, and a hat outer peripheral portion. At a border between the hub-mounted part and the hat inner peripheral portion, a first connecting portion is provided, and at a border between the hat top portion and the hat outer peripheral portion, a second connecting portion is provided. The plate thickness of the hat outer peripheral portion is smaller than the plate thickness of an intermediate portion that is a portion from a border between the first connecting portion and the hat inner peripheral portion to a border between the hat top portion and the second connecting portion in the disc radial direction.
Inventors:
Naoki Goto
Tsuzuki Japanese name
Tsuzuki Japanese name
Application Number:
JP2018190573A
Publication Date:
August 16, 2022
Filing Date:
October 09, 2018
Export Citation:
Assignee:
Chuo Seiki Co., Ltd.
International Classes:
B60B3/04; B21D22/14; B21D22/26
Domestic Patent References:
| JP2000085302A | ||||
| JP2018150041A | ||||
| JP2004074248A |
Foreign References:
| EP0205867A1 |
Attorney, Agent or Firm:
Shunichi Higuchi