发明名称 |
Method of manufacturing a plurality of rotational members |
摘要 |
A plurality of rotational members which comprise an inner shell and an outer shell rotatable relative to each other and in which a soluble film is fixed to the inner periphery or the outer periphery of one of the shells, the shell with the soluble film fixed thereto is the shaping mold of a molding machine for molding the other shell, and a plurality of rotational members comprising an inner shell and an outer shell are molded through the soluble film, whereafter the soluble film is dissolved and removed.
|
申请公布号 |
US4917846(A) |
申请公布日期 |
1990.04.17 |
申请号 |
US19880185266 |
申请日期 |
1988.04.18 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
TAKASE, HIRONORI;KAMATA, SHIGERU |
分类号 |
B29C33/52;B29C45/14;B29D1/00;G02B7/04 |
主分类号 |
B29C33/52 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|