Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
液圧式ねじ棒締付け装置
Document Type and Number:
Japanese Patent JP3559562
Kind Code:
B2
Abstract:
PCT No. PCT/EP94/04072 Sec. 371 Date Aug. 2, 1996 Sec. 102(e) Date Aug. 2, 1996 PCT Filed Dec. 7, 1994 PCT Pub. No. WO95/15835 PCT Pub. Date Jun. 15, 1995A hydraulic tensioning device for a threaded bolt has a cylinder resting on a machine part to be clamped with a threaded bolt and a nut. It further has a threaded bushing threaded onto a free end of the threaded bolt. A piston is guided sealingly in the cylinder and rests on the threaded bushing. A safety catch is connected to the cylinder or the piston and engages either the nut or the threaded bushing.

Inventors:
Hohmann Frank
Hohmann Jörg
Application Number:
JP51597795A
Publication Date:
September 02, 2004
Filing Date:
December 07, 1994
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Hohmann Frank
Hohmann Jörg
International Classes:
B25B21/00; B23P19/06; B25B29/02; (IPC1-7): B25B29/02; B23P19/06
Domestic Patent References:
JP6430129U
Attorney, Agent or Firm:
Fujita Akira