EXPLOSION-PROOF DOOR CLOSER

PURPOSE: An explosion-proof door closer is provided to prevent the diffusion of fire by the door open when a part or whole part of fluid flows through an emergency discharge part. CONSTITUTION: An explosion-proof door closer comprises spherical valve body(21), a valve spring(22), and a valve backer(...

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Bibliographic Details
Main Author LEE, DUK HWAN
Format Patent
LanguageEnglish
Korean
Published 07.10.2009
Subjects
CHECKS FOR WINGS
DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION
FIXED CONSTRUCTIONS
INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICESFOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTOOPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOTOTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THEWING
KEYS
LOCKS
SAFES
WINDOW OR DOOR FITTINGS
WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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Summary:PURPOSE: An explosion-proof door closer is provided to prevent the diffusion of fire by the door open when a part or whole part of fluid flows through an emergency discharge part. CONSTITUTION: An explosion-proof door closer comprises spherical valve body(21), a valve spring(22), and a valve backer(23). A valve settling part(20) is formed at the outside of an emergency discharge pipe(11). The spherical valve body is positioned at the valve settling part and blocks the emergency discharge pipe. The valve spring holds the elasticity by pressurizing the spherical valve body to the emergency discharge pipe. The valve backer supports the valve spring while it is combined with the valve settling part. The valve backer has holes communicating with the outside.
Bibliography:Application Number: KR20080030224