Title:
【考案の名称】十字軸自在継手の貫通孔密封装置
Document Type and Number:
Japanese Patent JP2540897
Kind Code:
Y2
Inventors:
Kyoichi Shimizu
Application Number:
JP3312091U
Publication Date:
July 09, 1997
Filing Date:
May 13, 1991
Export Citation:
Assignee:
Koyo Seiko Co., Ltd.
International Classes:
B21B35/14; F16D3/38; F16J15/50; (IPC1-7): F16D3/38; B21B35/14; F16J15/50
Domestic Patent References:
| JP6079021U | ||||
| JP61129925U |
Attorney, Agent or Firm:
Hirokatsu Kamei (1 person outside)