发明名称 Method of manufacturing pronged skirt clip
摘要 A clip and process for its manufacture includes feeding a strip into a cutting and bending machine. The strip is formed into blanks such that one end of the blank has two prongs. The border of the area between the prongs on the first end matches the outline of the prong on the second end. The clip is then bent into a C-shape and the prongs are bent inwardly.
申请公布号 US4866971(A) 申请公布日期 1989.09.19
申请号 US19880185251 申请日期 1988.04.20
申请人 COOPER INDUSTRIES, INC. 发明人 COCCAGNA, ABRAMO B.
分类号 B21D53/36 主分类号 B21D53/36
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