The filtering face mask which possesses 1 or 2 these straps

摘要

(57) Abstract The face mask (10), in order extending to possess 2 these straps (24) which are present in the neck of the wearing person and around the rear section of the head, includes the head strap assembly (20) which is formed. As for the strap, the edge connector (30) which can install in the stud (14) of the mask with single strap configuration is included. At the time of double strap constituting, as for the edge connector (30), you joint to the mask carrying member (50) with the relation which leaves putting in place the interval which the analytic is done. As for the mask carrying member, in the stud (14) of the mask you install in revolving expression.