Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
【発明の名称】拡張アンカのための取付装置
Document Type and Number:
Japanese Patent JP2971398
Kind Code:
B2
Abstract:
The expanding anchor (18,24) is movable in relation to the tensioning appliance (40,54) in the longitudinal direction of an inserted straddling tie-piece (30,32). The anchor moves the expander sleeve (34) which is on the shaft (28) of the tie-piece towards the tie piece head (38) to expand it. The anchor has a collet (54), and a clamping cone (52) movable by a clamping piston (40). The expander sleeve has a piston (18) for moving the expander sleeve towards the tie piece head. An excess pressure valve (74) in a fluid duct (70) leading from a clamping piston pressure chamber (66) to a straddling piston pressure chamber (72) opens the fluid duct when the clamping pressure in the clamping piston pressure chamber is reached.

Inventors:
HERUBERUTO EERAATO
KURISUTEIAN SHUMITO
Application Number:
JP15989796A
Publication Date:
November 02, 1999
Filing Date:
June 20, 1996
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
ARUTSUURU FUITSUSHAA GMBH
International Classes:
B25B29/00; B25B31/00; E04G21/12; E04B1/41; (IPC1-7): B25B29/00; E04B1/41; E04G21/12
Domestic Patent References:
JP60207775A
JP63144132U
JP506392B1
JP4736430Y1
Attorney, Agent or Firm:
Toshio Yano (2 outside)