Abstract: An aerosol container 190a provided with an outer container 11, a collapsible inner bag 12 inserted in the outer container, and a valve 13. The inner bag 12 comprises an upper and lower chamber 27, 26 and the chambers are divided at a constriction part formed in the middle of the inner bag by a partitioning member 72. The valve 13 has communicating holes that communicates valve 13 with the upper chamber 27 and the lower chamber 26 through a dip tube 28. An inner bag type aerosol product may be obtained by charging different kind of contents A and B into the container. Two-liquid reaction type agents, such as hair dye. enzyme hair dye, hair dress agent or setting agent for hair, reduction of inflammation pain killer, anti-heat flushes, coolants, pack agents, cleansing agents, shaving foams, moisturizers, antipersipirants. vitamin preparations, emollients and etc. may be preferably used for the combination of the contents for aerosol product.

Abstract: A one-pack aqueous aerosol composition being highly secure against fire and enabling efficient adhesion of an active ingredient. This aerosol composition is a homogeneous one which comprise 10 to 60 wt % of a liquid concentrate consisting of 30 to 90 wt % of an oil such as kerosene, 5 to 50 wt % of a polyhydric alcohol such as diethylene glycol, 1 to 40 wt % of water, and 0.1 to 20 wt % of an active ingredient such as insecticide and not exhibiting any flash point at a pressure of 1 atm and 90 to 40 wt % of a propellant consisting of diethyl ether.

Abstract: A rotatable aerosol product 10 comprising an aerosol product 11 and a rotatable stand 12 attached to the bottom part of the aerosol product, wherein spray continues during rotation and the rotation frequency is 35 frequencies/minute or lower. A spray hole 13a of a nozzle 13 is positioned eccentrically from the rotation center and rotated by counteraction of spray from the nozzle 13. Rotation frequency is regulated by a friction force between a rotation member 31 and a fixed member 32 or a ball 33.

Abstract: A process for producing a double dispensing device having a piston (2) functioning a check valve for allowing a gas to move from below to the above the piston, while preventing it from moving from above to below, said process comprising steps of loading a pressurized gas insoluble in a stock solution into a first chamber (N1) to below said piston (2) through a valve (6), allowing said pressurized gas to move into a second chamber (N2) above said piston (process S2), and transferring said pressurized gas in said first chamber (N1) into said second chamber (N2) by similarly loading stock solution into said first chamber (N1) (process S3).