Post-tensioning concrete pipe wrap
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United States of America Patent
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Feb 21, 2017
Grant Date -
Nov 13, 2014
app pub date -
May 6, 2014
filing date -
May 13, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A post-tensioning wrap includes a housing having at least one cavity and at least one tendon bonded to the housing. The wrap can be wrapped around the concrete article to equalize compression. Thereafter, a medium is injected into the cavity causing the housing to swell and compression of the concrete article by the tendon.
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