CONNECTING DEVICE FOR HOSE FOR TANK TRUCK, CONNECTION FITTING AND HOSE WITH CONNECTION FITTING

摘要

PROBLEM TO BE SOLVED: To prevent breakage and other accidents due to fine particles of a packing interposed in a connecting part of a connecting hose for transferring fine powder. SOLUTION: In this connecting device interposing a packing in a connection fitting for a hose for a tank truck and a connection fitting for hose for silo and fastening and fixing the outside with a coupling, the purpose is attained by the connecting device for hose for tank truck characterized by fixing an auxiliary pipe for covering an inflow end side of the packing to the inside of the connection fitting for hose for tank truck.