发明名称 METHOD FOR MANUFACTURING A MANDREL
摘要 A method of manufacturing a mandrel for use in the internal coating of a pipe elbow or bend comprises the steps of: (i) adjustably positioning a bendable elongate member in a hollow template for the pipe elbow or bend, whereby the elongate member is bent so as to extend generally centrally through the template; and (ii) introducing a flexible material into, and allowing the material to cure in a space between the elongate member and an internal surface of the template.
申请公布号 US2011012287(A1) 申请公布日期 2011.01.20
申请号 US20080735215 申请日期 2008.12.22
申请人 TOLEDO JAIME RAMIREZ;MELO RICARDO ABARCA;CISTERNA WILFREDO SAN MARTIN 发明人 TOLEDO JAIME RAMIREZ;MELO RICARDO ABARCA;CISTERNA WILFREDO SAN MARTIN
分类号 B29C33/12 主分类号 B29C33/12
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