Title:
AIR INTAKE DEVICE FOR GAS MASK CANISTER
Document Type and Number:
WIPO Patent Application WO/2019/093854
Kind Code:
A1
Abstract:
The present invention relates to an air intake device for a gas mask canister, which can prevent contaminated air from flowing into a gas mask even when a canister is removed from the gas mask. To this end, the present invention provides an air intake device for a gas mask canister, the device comprising: an intake valve which is mounted between a gas mask and a canister; a curved intake membrane which is supported by the intake valve, has self-recovery capability, and opens and closes the intake valve while being deformed by an external pressure; a check rod which is moved up and down by the intake membrane; and an elastic member which is disposed around the check rod so as to elastically support the check rod and the intake valve.
More Like This:
| WO/1999/055424 | VALVE UNIT OF A TOTALLY PROTECTIVE CLOTHING |
Inventors:
KWON KI HYUN (KR)
KIM SUNG HOON (KR)
KIM SUNG HOON (KR)
Application Number:
PCT/KR2018/013787
Publication Date:
May 16, 2019
Filing Date:
November 13, 2018
Export Citation:
Assignee:
SG SAFETY CORP (KR)
International Classes:
A62B18/10; A62B18/04
Foreign References:
| JP2004503267A | 2004-02-05 | |||
| KR20090008082U | 2009-08-07 | |||
| KR20120000331A | 2012-01-02 | |||
| KR20090053529A | 2009-05-27 | |||
| KR19990035552U | 1999-09-15 |
Attorney, Agent or Firm:
LEE, Sung Won (KR)
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