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发明名称
双层管材
摘要
本实用新型公开了一种双层管材,包括挤压成一体的内层和外层。其中内层为铁管,外层为不锈钢管。本实用新型采用内层铁管和外层不锈钢管双层接合,一方面外层的不锈钢管可以提高该管材抗腐蚀性,延长其使用寿命,适用范围广;另一方面内层的铁管可以增加该管材的硬度,且降低材料成本。并且铁管和不锈钢管的紧配结合,大大提高了该管材的精度。
申请公布号
CN202510966U
申请公布日期
2012.10.31
申请号
CN201220097997.3
申请日期
2012.03.15
申请人
杨正华
发明人
杨正华
分类号
F16S3/00(2006.01)I
主分类号
F16S3/00(2006.01)I
代理机构
代理人
主权项
双层管材,其特征在于,包括挤压成一体的内层和外层,所述内层为铁管,所述外层为不锈钢管。
地址
646200 四川省合江县大桥镇堰坝村六社67号
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