Rubber water poured sealing appliances: 1.Construction:The hose consists of an inner tube,reinforcement layer,middle layer and rubber cover. 2.Feature:The hose body length decreased,the diameter increase and on the expansion state after hose enduring internal upright pressure.Under this conditions,the hose accomplishes the hole sealing function. 3.Application: a. Apply to coal mine and clear dust. b. Apply to engineering construction and leak prevention construction underground. c. Apply to tunnel exploitation and pour cast underground and underwater. |