Title:
CHECK VALVE
Document Type and Number:
Japanese Patent JPS62228768
Kind Code:
A
Abstract:
PURPOSE:To reduce the force for closing a valve plate by the dead weight by an arbitrary factor, by setting the installation position for a hinge within a specific angle range in the circumferential direction from the upper edge in the vertical direction around a pipe axis. CONSTITUTION:The installation position of a hinge 2 which supports a valve plate 1 is set at the position of revolution by phi(0
Inventors:
MURATA SHIGETO
SANO TAKEHIRO
MASUHARA YASUHIRO
FUJII TADASHI
ORII AKIHITO
SANO TAKEHIRO
MASUHARA YASUHIRO
FUJII TADASHI
ORII AKIHITO
Application Number:
JP6834486A
Publication Date:
October 07, 1987
Filing Date:
March 28, 1986
Export Citation:
Assignee:
HITACHI LTD
International Classes:
F16K15/03; (IPC1-7): F16K15/03
Attorney, Agent or Firm:
Katsuo Ogawa
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