JPS60102103U

JPS60102103U - motorcycle wheels

Info

Publication number: JPS60102103U
Application number: JP19448483U
Authority: JP
Inventors: 小酒　邦雄
Original assignee: 大同工業株式会社
Priority date: 1983-12-16
Filing date: 1983-12-16
Publication date: 1985-07-12

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の方法で絞り加工によりディスク外周に設
けた凹部にドロップ部の肉を流し込んでいる状態を示し
ており、第２図ａ、　ｂはディスク、を表わし、ａは側
面図を、ｂは正面図を示し、第３図はリムの横断面を、
さらに第４図はリムとディスク嵌合後、大きなポンチで
ディスク凹部に圧縮成形でドロップ部の肉を流し込んで
いる状態を表わしたものである。１１・・・・・・ディスク、１２・・・・・・リム、１
３・・・・・・ハブ、１４・・・・・・スポーク、１５
・・・・・・外周縁、１６・・・・・・外表面、１７・
・・・・・凹部、１８・・・・・・耳部、１９・・・・
・・ビード部、２０・・・・・・ドロップ部、２１・曲
・内周面、２２・・・・・・ポンチ、２３・・・・・・
外側面、２４７−・・・内側面、２５・・・・・・凸部
。Fig. 1 shows the state in which the meat of the drop part is poured into a recess formed on the outer periphery of the disk by drawing using the conventional method, and Fig. 2 a and b show the disk, and a shows a side view. b shows the front view, and Fig. 3 shows the cross section of the rim.
Furthermore, FIG. 4 shows the state in which after the rim and the disc have been fitted, the meat of the drop part is poured into the disc recess by compression molding using a large punch. 11... Disc, 12... Rim, 1
3...Hub, 14...Spoke, 15
...... Outer periphery, 16... Outer surface, 17.
...Concave part, 18...Ear part, 19...
...Bead part, 20...Drop part, 21. Curved inner circumferential surface, 22..... Punch, 23.....
Outer surface, 247--Inner surface, 25... Convex portion.

Claims

[Scope of utility model registration request]

In a wheel in which a rim made of a light alloy and a disc are integrally joined by shrink fitting, cold fitting, or press fitting, sometimes by applying an adhesive, a recess is formed on the outer surface of the outer periphery of the disc, and the recess is A motorcycle wheel characterized in that the bonding strength between the rim and the disc is further strengthened by pouring the meat of the rim drop portion into the rim by compression molding.