Patent ID: 8201586

Claim:
A sealing pump-up device comprising: a liquid container for storing a sealing agent, the liquid container also formed with an ejection port for ejecting the sealing agent; an injection unit comprising an air supply path, configuring a liquid supply pressure chamber in communication with the ejection port and also connected to an air supply source for supplying compressed air, and an air-liquid supply tube connectable to a valve of a pneumatic tire; an outer annular member provided to one or other of the liquid container or the injection unit and of a greater diameter than that of the ejection port; an inner annular member, provided to the other of the liquid container and the injection unit, of smaller diameter that that of the outer annular member and disposed to the radial direction inside of the outer annular member; and a burr housing unit configured between the outer annular member and the inner annular member, the liquid container being fixed to the injection unit via the outer annular member, wherein: the outer annular member extends from the liquid container and is welded to the injection unit; the inner annular member extends from the injection unit; and the burr housing unit configured between the outer annular member and the inner annular member is positioned between the welding face of the outer annular member and the injection unit, and the liquid ejection port of the liquid container.