Title:
JOINT FOR HYDRAULIC HOSE
Document Type and Number:
Japanese Patent JP3688975
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To easily lower the internal pressure of a hydraulic hose.
SOLUTION: The peripheral wall of an operating fluid passage 9a between connecting screw parts 9b, 9c formed at both ends of a tube body having the operating fluid passage 9a inside is provided with an atmosphere communicating hole 13 on the inner peripheral side and a valve mounting hole 14 larger in diameter than the atmosphere communicating hole 13, on the outer peripheral side in a connected state. A ball-like valve element 15 seated on a valve seat around the atmosphere communicating hole 13 is inserted in the valve mounting hole 13, and a locking screw 16 for seating the valve element 15 on the valve seat is screwed thereto.
Inventors:
Akira Iwakura
Nobuhiro Matsuzawa
Nobuhiro Matsuzawa
Application Number:
JP2000149544A
Publication Date:
August 31, 2005
Filing Date:
May 22, 2000
Export Citation:
Assignee:
Nippon Vehicle Manufacturing Co., Ltd.
International Classes:
F16L15/00; F16K24/04; (IPC1-7): F16L15/00
Domestic Patent References:
| JP1136792U | ||||
| JP5196178A |
Attorney, Agent or Firm:
Kazuhiko Kido