发明名称 PROTECTIVE COVER SYSTEM AND METHOD FOR GIRTH-WELDS
摘要 A pipe system includes first and second pipes having first and second ends welded together forming a girth-weld and a corrosion coating covering the girth-weld. In addition, a flexible sheet is provided to cover the girth-weld. The flexible sheet comprises a first structured layer that mechanically couples to the corrosion coating, where the corrosion coating permeates a substantial portion of the first structured layer. The flexible sheet also includes a second layer comprising a polymer layer adhered to the first layer, the second layer protecting the corrosion coating from mechanical or environmental damage. Alternatively, the protective cover comprises a polymer material and includes a port formed therethrough adapted to receive a delivery mechanism that delivers a corrosion coating to the girth-weld.
申请公布号 US2007241558(A1) 申请公布日期 2007.10.18
申请号 US20070697987 申请日期 2007.04.09
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 NESTEGARD MARK K.;ANDERSON MARK T.;MUYRES DAWN V.;PEREZ MARIO A.
分类号 F16L47/00 主分类号 F16L47/00
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