Title:
VALVE
Document Type and Number:
Japanese Patent JPH1130353
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a valve capable of certainly sealing a valve body and a valve seat without requiring great force at the time of sealing the valve body and the valve seat by using reaction force and inside pressure in simple structure and excellent in blocking performance of fluid. SOLUTION: It is a valve having a valve seat 3 furnished with a flowing hole part 4 and a valve body 5 closely made contact with the valve seat 3, and the valve seat 3 is furnished with a ring groove 8 formed on a peripheral wall surface of the flowing hole part 4, a valve seat piece part 9 at least formed on the side of the valve body 5 through the ring groove 8 and one or a plural number of protruded line parts 11 formed on a valve seat surface of the valve seat piece part 9 on the side of the valve body 5.
Inventors:
OTSUJI KEIJI
NAKAWA MASATO
NAKAWA MASATO
Application Number:
JP20087297A
Publication Date:
February 02, 1999
Filing Date:
July 09, 1997
Export Citation:
Assignee:
DAISOU KK
NAKAWA MASATO
NAKAWA MASATO
International Classes:
F16K25/00; F16K1/34; F16K1/42; F16K3/12; F16K3/314; (IPC1-7): F16K25/00; F16K1/34
Attorney, Agent or Firm:
Ichiro Enomoto
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