Patent ID: 7556059
Filing Date: 2009-07-07
Classification: B67D,Y10T

Abstract:
1. A tank structure that has a tank body for storing liquid and a control device for supplying or discharging the liquid to or from the tank body, the tank structure comprising: a flat upper member having a lower flat surface; a flat lower member having an upper flat surface; and a valve and coupling integrated unit, wherein the tank body has an upper flat surface and a lower flat surface which face the lower flat surface of the upper member and the upper flat surface of the lower member respectively, the tank body is held in sandwiched relation between the upper and lower members so that the upper and lower flat surfaces of the tank body are in contact with the lower flat surface of the upper member and the upper flat surface of the lower member respectively, and the upper member and the lower member are wider in area than the upper and lower flat surfaces of the tank body, fastening members are provided in peripheral portions of the upper and lower members extending wider than the upper and lower flat surfaces of the tank body to fasten the upper member and the lower member between which the tank body is placed, and the valve and coupling integrated unit includes: