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发明名称
衬塑钢管
摘要
本实用新型的目的在于提供一种经改良的衬塑钢管,它由钢制外管与塑料内衬管组成。将钢管的内壁粗糙化,使其凹凸不平,可以作刺、滚花、挖槽等,将塑料管穿入内壁粗糙的钢管中,通过挤压减径使钢管压紧内衬塑料管,以解决衬塑钢管内、外管间由于材料特性差异,产生的轴向涨缩不一致的问题。
申请公布号
CN2444099Y
申请公布日期
2001.08.22
申请号
CN00254219.6
申请日期
2000.09.19
申请人
陈克
发明人
陈克
分类号
F16L9/147
主分类号
F16L9/147
代理机构
代理人
主权项
1、一种衬塑钢管,其外层为钢管,内层为塑料管,其特征在于:钢制外管的内壁有凸起、花纹、槽或筋,二者通过压配复合而成。
地址
200062上海市金沙江路2349弄14号601室
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