Double strap coupling apparatus
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United States of America Patent
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Jun 4, 2013
Grant Date -
Jan 31, 2013
app pub date -
Jul 28, 2011
filing date -
Jul 28, 2011
priority date (Note) -
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Abstract
A clamp apparatus for holding together two abutting pipe ends, in which the pipe ends have radial flanges to facilitate the exerting of axial compressive forces on the pipe ends. The clamp includes a first strap structure and a fastening mechanism for providing circumferential compressive force on retainer segments configured to transfer the compressive force onto the flanges of the pipe ends. The clamp apparatus also includes a secondary strap structure for providing independent redundancy, relative to the primary strap, to supply back-up circumferential force onto the primary strap structure, should a failure occur in either of the fastening mechanism or the primary strap structure, to enable the clamp to maintain clamping force on the abutting pipe ends.
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