The laver work barge null which uses the laver network medicine central processing unit which uses the classes passing devices which form the laver cultivation facility and the classes passing devices which form the laver cultivation facility and the classes passing devices which form the laver cultivation facility

摘要

PROBLEM TO BE SOLVED: To provide a light-weight rope kind passing device for constituting a laver culture facility at a low cost in simple constitution capable of supporting a desired member at a position above a rope kind while smoothly passing through rope kinds for constituting the laver culture facility and a laver net. ;SOLUTION: This device is provided with a lower member 6 for which the rope kinds for constituting the laver culture facility are passed through an upper surface, an upper member 7 freely attachably and detachably mounted on the lower member 6 and an upper member holding mechanism 8 for holding the upper member 7 at a fixed position to the lower member 6 while the rope kinds are passed between both members 6 and 7.;COPYRIGHT: (C)1998,JPO