| 摘要 |
This invention relates to a rotary joint device with multiple piping passages and piping 3,4 eccentric to the axis of rotation X-X of the rotary joint, comprising stationary 1 and rotary 2 portions as well as a coaxial rotary member 7 interposed between the stationary 1 and rotary 2 portions and traversed by conduits 8,9 communicating permanently with the stationary conduits 3a, 4a of pipings 3,4 and with the rotary conduits 3b, 4b of pipings 3,4 through a connecting path 10,11.
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