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发明名称
螺丝针具及其成型螺丝
摘要
一种螺丝针具及其成型螺丝,主要系由一端面设有成型刃部,该成型刃部向周侧延设有肩部,该成型刃部有一中心,及在该中心周侧至少设有一环以上之环形部,该环形部系凸出或低于该螺丝针具之端面。且由该螺丝针具所成型之螺丝,于该螺丝之帽头端面系成型有沟孔部,该沟孔部有一中心,及在该中心周侧成型有至少一环沟部或凸环。
申请公布号
TW200904564
申请公布日期
2009.02.01
申请号
TW096127754
申请日期
2007.07.30
申请人
易连工业股份有限公司
发明人
曹天福
分类号
B21K1/50(2006.01)
主分类号
B21K1/50(2006.01)
代理机构
代理人
陈启舜
主权项
地址
高雄市苓雅区中正一路284号8楼之2
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