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专利名称：Plastic pipe fittings发明人：Harvey E. Svetlik申请号：US08/604214申请日：19960221公开号：US05775736A公开日：19980707
摘要：A reinforced plastic pipe fitting is made by using interference fit techniques toapply an outer pipe over a straight section of inner pipe. Appropriate sections of theouter pipe are then cutout. After arranging the fitting to the desired shape, faces of thecutout section are butt- fused together to form a fitting having a reinforcing layer overthe shaped inner pipe.
申请人：PHILLIPS PETROLEUM COMPANY
代理人：Ryan N. Cross
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