VALVE FOR POWDER-CONTAINING AEROSOL PRODUCT AND POWDER-CONTAINING AEROSOL PRODUCT USING THE VALVE

摘要

PROBLEM TO BE SOLVED: To provide a valve for a powder-containing aerosol product capable of preventing the blocking of a communication hole or bite-in to a seal due to the adhesion or accumulation of powder and capable of locking a stem certainly, and the powder-containing aerosol product.;SOLUTION: The valve is equipped with the stem rubber positioned at the inner and outer boundary of an aerosol container, the stem which airtightly slides and moves along the inner diameter surface of the stem rubber and a stopper for regulating the movement of the stem in the upper direction of the axis of the aerosol container. The stem has a stem body having the slide part sliding along the inner diameter surface of the stem rubber and the communication hole provided to the slide part and the inclined part continuing to the lower part of the stem body. When the communication hole is set at a position cut off from the interior of the aerosol container, the slide part of the stem and at least a part of the inclined part are in close contact with the inner diameter surface of the stem rubber.;COPYRIGHT: (C)2004,JPO