APPARATUS AND POLYPROPYLENE-BASED COMPOSITION FOR WRAPPING A PIPE WELD
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United States of America Patent
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Issued Date -
Feb 11, 2016
app pub date -
Mar 24, 2014
filing date -
Mar 26, 2013
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Abstract
Laminate covering, in particular tapes and/or wrap-around sheets applied via an auto-wrapping machine, used for the mechanical and corrosion protection of oil, gas and water transmission pipelines. The laminate covering comprises a cross-linked polyolefin outer layer and an inner layer, which may be an adhesive, and has improved mechanical properties when compared to the prior art. The laminate covering may be pre-stretched. Also, a method of applying said laminate covering. The laminate covering can be applied to a pipe in a lower cost, faster application.
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