发明名称 METHOD FOR APPLYING A PROTECTIVE LAYER TO A PIPE JOINT
摘要 <p>An apparatus and method for applying a protective material to the girth weld of pipe. The apparatus is particularly suited for protecting a pipe that, except for the ends adjacent to the weld, is protected by layer of a semi-interpenetrating polymer network of epoxy and polyolefin resins. Using the apparatus and method, the protective material is firmly bonded to both the exposed steel end and the pre-existing protective layer.</p>
申请公布号 WO2007143565(A1) 申请公布日期 2007.12.13
申请号 WO2007US70241 申请日期 2007.06.01
申请人 3M INNOVATIVE PROPERTIES COMPANY;WOOD, THOMAS, L.;PEREZ, MARIO, A. 发明人 WOOD, THOMAS, L.;PEREZ, MARIO, A.
分类号 B29C63/06 主分类号 B29C63/06
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