Title:
TIGHTENING TOOL OF THREADED TUBE
Document Type and Number:
Japanese Patent JP3499313
Kind Code:
B2
Abstract:
PURPOSE: To provide a means capable of achieving the tightening work of a threaded tube without difficulty by solving the problem that the tightening work of the threaded tube can not be achieved smoothly when the space around the threaded tube is narrow.
CONSTITUTION: A rotation controlling part 12 is formed on a base end part, and a recessed part 13 is formed on a tip part. A straight female screw 13a which is freely engaged with a tapered male screw 11a formed on one end part of a threaded tube 11 is formed on the inner circumferential surface of the recessed part 13, and an abutting surface 13b where the end surface of one end part of the threaded tube 11 can be abutted in the incomplete screw tightening condition is formed at the end of the recessed part 13.
Inventors:
Fumio Tsukimoto
Takeyoshi Motoyoshi
Takeyoshi Motoyoshi
Application Number:
JP31456194A
Publication Date:
February 23, 2004
Filing Date:
December 19, 1994
Export Citation:
Assignee:
OSAKA GAS CO.,LTD.
International Classes:
F16L15/04; (IPC1-7): F16L15/04
Domestic Patent References:
| JP6277947A | ||||
| JP5332489A | ||||
| JP61117032A | ||||
| JP6252387U | ||||
| JP60110792U |
Attorney, Agent or Firm:
Shuichiro Kitamura