Expansion and contraction type coating material blowing machine

摘要

(57) Abstract Objective The coating material force which joints to the blowing nozzle of the coating material blowing machineIt improves operating efficiency the length of the tube as retractable. Constitution In destal 12 of exit of outer tube 1 hub nut 4 spiral shellfishThe inner tube 2 which conjunction it does and in the destal 12 of the exit of outer tube 1 and outer tube 1 Inlaying entrance it doesWith profile pressing in the ring 3 of key condition between, the exit of outer tube 1In locking the destal 12 in optional position of inner tube 2The outer tube joint of 1 which forms the ri and the coating material force tube and inner tube 2 tensionTo make dense, in addition, loosening hub nut 4, eating the ring 3After loosened at looking and moving inner tube 2 into outer tube 1 again the hub nutFastening 4, by making ring eat 3, coatingLength of the material force tube is made retractable.