SPRAY BUTTON FOR SPRAY, SPRAY APPARATUS FOR SPRAY, AND SPRAY

摘要

PROBLEM TO BE SOLVED: To provide a spray button for a spray which is free from the occurrence of clogging in a screw groove even in the spray of the content containing powder, a spray apparatus for spray, and a spray.

SOLUTION: A nozzle attachment recessed part 26 is provided in a button body 20 so as to communicate with a center hole 25 opened downward and to be opened toward the outer periphery. The nozzle attachment recessed part has a center post 28 projected from the button center side toward the opened direction at the recessed part center position. Further, the screw groove 34 communicating with a spray hole 15 is formed on the inner surface of a head part of a cap shaped nozzle member 16 comprising the head part 31 having the spray hole 15 and a cylindrical part 32 having one of openings which is closed with the head part. The nozzle member is fitted into the nozzle attachment recessed part by entering the center post into the inside. In such a case, a gap (g) at least exceeding 0.5 mm is provided between the head inner surface of the nozzle member and the top surface of the center post.

COPYRIGHT: (C)2008,JPO&INPIT