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公开(公告)号:US5489405A
公开(公告)日:1996-02-06
申请号:US189362
申请日:1994-01-28
CPC分类号: F16L58/181 , B29C44/1219 , B29C44/1295 , B29C70/74 , F16L13/0272 , B29K2105/0002 , B29K2105/16
摘要: A pair of concrete coated pipe joints welded together end to end with a gap between the concrete coatings, the gap being filled with a fast setting elastomeric polymeric infill material, either solid or foamed, and a particulate filler material, and a method for molding the infill material with the mold being filled with filler material before the polymer components are injected, and with a membrane lining the mold to prevent the polymer from adhering to the mold.
摘要翻译: 一对混凝土涂层管接头在端部与端部焊接在混凝土涂层之间的间隙,间隙填充有固定或发泡的快速固化弹性体聚合物填充材料和颗粒填料,以及用于模制 在注射聚合物组分之前,模具填充填料的填充材料,以及衬在模具上的膜以防止聚合物粘附到模具上。