Title:
ガス放出防止型圧力調整器
Document Type and Number:
Japanese Patent JP6654154
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a pressure controller including a gas evolution prevention device in which a sliding of a stopper part for changing-over the gas evolution prevention device between a closed state and a non-closed state can be performed smoothly and further the stopper part cannot be rotated in respect to an outer peripheral surface of a nozzle valve joint part where the stopper part slides and can always slide toward an axial center under its contacted state and a clearance is not formed between the stopper part and the nozzle valve joint part.SOLUTION: One end part of a stopper part arranged between a nozzle valve joint part and a nipple joint part is connected in such a way that its contacted state in respect to an outer peripheral surface of the other end part side of the nozzle valve joint part is maintained to enable a relative sliding motion to be attained, but not to enable a relative rotation to be carried out.SELECTED DRAWING: Figure 1
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Inventors:
Sugiyama Hikari
Application Number:
JP2017002059A
Publication Date:
February 26, 2020
Filing Date:
January 10, 2017
Export Citation:
Assignee:
Katsura Seiki Co., Ltd.
International Classes:
F16K27/00; F16K3/26; F16K37/00
Domestic Patent References:
| JP8303694A | ||||
| JP2008045603A |
Attorney, Agent or Firm:
Koichiro Tsujimaru
Katsutoshi Shiozawa
Katsutoshi Shiozawa