Patent ID: 8602270

Claim:
A fluid tank connector comprising: a plug that is fit with play in the inner periphery of a fluid port of a fluid tank that stores a fluid and a socket that is detachably connectable to the plug; wherein the socket includes a sleeve that is detachably connectable to the plug by being threadable into a thread groove that is formed in the outer periphery of the fluid port; in a fluid delivery state in which the plug and the socket are connected, a fluid path that delivers fluid from the fluid tank and a gas path that supplies gas into the fluid tank are formed; and in the socket, a pressing means that is configured to press the plug with a pressing force opposing a coupling force of a fluid sealing portion that seals the fluid path between the plug and the socket is provided to enable the socket to be removed from the plug while the plug remains fit with play to the fluid port of the fluid tank.