摘要:
A closure of reinforced elastomeric material having layers or plies of reinforcing means bonded or secured to one or more reinforcing members in the outer periphery of the closure wherein each layer or ply of reinforcing means is comprised of a plurality of strips of fabric, each strip being angularly located with respect to another in the same layer or ply and with respect to another in an adjacent layer ply.
摘要:
A reusable plug for sealing the conductor pipe of offshore platforms comprising a cylindrical housing, central body member and pressure equalization means.
摘要:
A pile wiper seal assembly for sealing the annulus between either a jacket leg or pile sleeve and a pile inserted therethrough of a marine platform, the pile wiper seal assembly comprising annular seal member means, upper end shoe means secured to the inner surface of either the jacket leg or pile sleeve having a recess receiving therein the upper portion of the annular seal member means and lower end shoe means secured to the inner surface of either the jacket leg or pile sleeve having a recess receiving therein the lower portion of the annular seal member means whereby the upper end shoe means and lower end shoe means retain the annulus seal member means in either the jacket leg or pile sleeve.
摘要:
A reusable plug for sealing the conductor pipe of offshore platforms comprising a cylindrical housing, central body member, pressure equalization means and retractable release means releasably securing the central body member to the cylindrical housing.