Title:
JOINT UNIT
Document Type and Number:
WIPO Patent Application WO/2015/129396
Kind Code:
A1
Abstract:
This joint unit is provided with a first joint member, a second joint member, and a gasket. The first joint member has a female screw portion. The second joint member has a second pipe portion and a second fastening portion. The second pipe portion has a female screw portion. The second fastening portion has a second fastening portion body and a ring-shaped second collar. The second fastening portion body has an outer screw portion which is a male screw. The second collar has, in the inner periphery, an inner screw portion which is a female screw. The outer screw portion is screwed into the female screw portion, and the male screw portion is screwed into the inner screw portion. In the joint unit, the second collar presses the second pipe portion toward the gasket due to the fastening of the second fastening portion body and the first joint member.
Inventors:
NAGURA KENJI
TAKAGI HITOSHI
TAKAGI HITOSHI
Application Number:
PCT/JP2015/052901
Publication Date:
September 03, 2015
Filing Date:
February 03, 2015
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
F16L19/03
Foreign References:
| JP2002357288A | 2002-12-13 | |||
| JPS47611Y1 | 1972-01-11 | |||
| JPH09280432A | 1997-10-31 | |||
| JP2009275846A | 2009-11-26 | |||
| JPS4513554Y1 | 1970-06-10 | |||
| JPS458914B1 | ||||
| JPS4525062B1 | ||||
| JPH0128398Y2 | 1989-08-29 | |||
| US5060987A | 1991-10-29 | |||
| JPS1416746Y |
Other References:
See also references of EP 3112735A4
Attorney, Agent or Firm:
KOTANI, Etsuji et al. (JP)
Etsuji Kotani (JP)
Etsuji Kotani (JP)
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