Title:
OPENING/CLOSING VALVE
Document Type and Number:
Japanese Patent JPH0771648
Kind Code:
A
Abstract:
PURPOSE: To prevent dewing in a housing, in an opening/closing valve built in the halfway of a pipe for supplying gas.
CONSTITUTION: A housing main unit is divided into two parts of outside/inside housings 1, 2, to facilitate maintenance, and a heater 3 is placed between the outside/inside housings 1, 2, to increase a temperature of a housing internal wall.
Inventors:
SATO MINORU
Application Number:
JP22158293A
Publication Date:
March 17, 1995
Filing Date:
September 07, 1993
Export Citation:
Assignee:
NEC YAMAGATA LTD
International Classes:
F16K49/00; (IPC1-7): F16K49/00
Attorney, Agent or Firm:
Naoki Kyomoto (2 outside)