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发明名称
可拔除膨胀螺栓
摘要
一种膨胀螺栓,其特征在于:所述的膨胀管既具有尾部成可翘起的膨胀片7,还具有头部与膨胀管轴线成直角的反沿11,用所述膨胀管与尾端为膨胀头的螺杆、螺帽、弹簧垫、平垫组成的所述可拔除金属膨胀螺栓,当使普通金属膨胀螺栓废弃后难以拔除,变为便于拔除,减少因未拔除金属膨胀螺栓对墙面、路面带来的不良影响,还避免一些潜在的安全隐患。
申请公布号
CN201368098Y
申请公布日期
2009.12.23
申请号
CN200920079340.2
申请日期
2009.03.03
申请人
沈昌生
发明人
沈昌生
分类号
F16B13/06(2006.01)I
主分类号
F16B13/06(2006.01)I
代理机构
代理人
主权项
1.一种可拔除膨胀螺栓,它由尾端为膨胀头的螺杆、螺帽、弹簧垫、平垫、膨胀管组成,其特征是:本实用新型所述的膨胀管(10),既具有尾部成可翘起的膨胀片(7),还具有头部与膨胀管轴线成直角的反沿(11)。
地址
610017四川省成都市马镇街6号2-2-1
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