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.