Patent attributes
There is provided a protecting cap configured to protect a sprinkler, the protecting cap having a bottomed cylindrical shape including a bottom surface and a cylinder, having an inner cylinder with a bottom surface and a head housing portion which is configured to house the sprinkler head body, and an outer cylinder to be fitted in an end portion of the cylindrical member; the outer cylinder circumferentially surrounding an outside of the inner cylinder, a tongue portion extending from the inner cylinder and projecting into an opening provided in an upper portion of the cylindrical member; a fastening tool insertion portion, located between the inner cylinder and the outer cylinder, configured to allow insertion of a fastening tool for mounting the sprinkler on a water supply pipe, and includes a coupling portion configured to connect the inner cylinder and the outer cylinder.
