| 摘要 |
<p>The present invention relates to an aerosol spray device, comprising: a spray can; a valve mounted to the can; a button mounted to the valve to control opening and closing of the valve, the button having an exit port in fluid communication with an interior of the can when the valve is open; and a nozzle, mounted to the exit port of the button, said nozzle including a throughbore having a flow restrictor proximate to the throughbore's exit end and having a substantially rectangular exit port, the port having at least one pair of opposite walls flaring outward from the flow restrictor at an angle of about 20 to about 75 DEG , wherein the spray can has an interior and the interior comprises: (a) propellant; and (b) an adhesive mixture comprising: (a) 35 to 70 % by weight solvent, (b) 4 to 30 weight % resin, and (c) 8 to 40 weight % rubber, based upon the weight of the adhesive mixture, wherein the adhesive mixture has a Brookfield viscosity of from about 50 to 600 cps, and a solids content of at least about 20 %. <IMAGE></p> |
