发明授权
US5471686A Lifting hose with ends sealed by a clamping strip 失效
提升软管,端部用夹紧条密封

Lifting hose with ends sealed by a clamping strip
摘要:
Each end of a lifting hose (10) is sealed pressure-tight by means of two clamping strips (12, 14) , one strip (12) having a row of projecting pegs (20) , and the other strip (14) having holes (30) in a corresponding arrangement. The pegs (20) have thickened heads (24), and the holes (30) are stepped, thus giving rise to annular supporting surfaces into which the heads (24) latch in the clamped position of the two flatly folded layers (40, 42) of the hose (10). FIG. 1
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