Patent ID: 7543654
Filing Date: 2009-06-09
Classification: A62C

Abstract:
1. A sprinkler head cover comprising: a housing adapted to be attached to a sprinkler head which is connected to a water supply piping and in which, in case of fire, a valve disposed inside said sprinkler head is opened to allow a fire-extinguishing liquid in the water supply piping to spread around; a cover plate adapted to cover said sprinkler head so that said sprinkler head cannot be seen from outside; and a mount having a cylindrical configuration and having a hole extending therethrough, an upper portion of said mount being fixed to said housing and a lower portion of said mount being formed into a flange configuration defining a cover plate connecting surface, wherein a gap is defined between said flange configuration and an opposing surface of said cover plate, wherein a low melting point alloy is introduced into said hole of said mount, and wherein said cover plate and said mount are connected to each other by solidifying a molten low melting point alloy after said low melting point alloy is melted by heating and having flown out from said hole of said mount into the gap between said flange configuration and said cover plate.