| 摘要 |
<p>A sealing system for the sealing passage of cables or tubes, consisting of a rectangular frame, parallelepipedal blocks of resilient material, each block consisting of two identical halves, and featuring a bore adapted to the dimensions of the cables, compression means for compressing the blocks within the frame and retaining means, whereby the half blocks feature at least one groove transverse to the longitudinal axis of the bore on the outer surfaces parallel to said axis and the frame features corresponding grooves while the blocks are locked in place by the said retaining means that may rest in a groove of a half block.</p> |
