Patent ID: 8356629

Claim:
A multiway cock comprising: a cock body including a tubular part which has a first portion and a second portion juxtaposed to each other along an axis, at least two ports provided in an outer periphery of the first portion, and at least three ports provided in an outer periphery of the second portion; and a cock member having a barrel part rotatably inserted in the tubular part, the barrel part being formed with a first flow passage for opening in a predetermined combination the ports provided in the first portion, and a second flow passage for opening in a predetermined combination the ports provided in the second portion, wherein opening or closing of the ports provided in the first portion and the second portion is selected by rotating the cock member the first flow passage is so formed that predetermined two of the ports provided in the first portion can simultaneously be put into an open state or a closed state, the second flow passage is so formed that predetermined three of the ports provided in the second portion can simultaneously be put into an open state or a closed state, and in an operation of rotating the cock member, the timing of transition of the predetermined two ports in the first portion from the closed state to the open state is close to the timing of transition of the predetermined three ports in the second portion from the open state to the closed state, and the predetermined two ports in the first portion transit from the closed state to the open state occurs after the predetermined three ports in the second portion transit from the open state to the closed state.