Patent ID: 8403182

Claim:
An air pump type operation device for pressing a piston in a container comprising: a tube type body for holding viscose material within, the tube type body having air inlets and an outlet, and the piston which is installed in the tube type body presses and expels the viscose material through the outlet, wherein the air pump type operation device has a hollow body of which one end is combined with the tube type body and which is restorable by elasticity, wherein in the case of pressing the body while sealed the interior volume of the body is maintained and the piston is moved by air pressure, wherein in the case of releasing the force applied to the body while air is flowing in through the air inlets the shape of the body is restored, and wherein the tube type body further includes: a protection cover for being equipped to surround the outer peripheral surface of the tube type body; and a protection cap which is equipped on the protection cover and surrounds the air pump type corrugated pipe, and has an incline cutting plane cut at an incline from one end to another so that the user can press some part of the air pump type corrugated pipe.