发明名称 WIRE REEL
摘要 A reel for drawing off coiled spring wire comprises two mating and locking half drums. The coil is restrained internally. The wire end, brought out through an annular opening, is pulled as needed.
申请公布号 US3727858(A) 申请公布日期 1973.04.17
申请号 USD3727858 申请日期 1972.06.16
申请人 CORNWELL D,US;CORNWELL R,US 发明人 CORNWELL R,US;CORNWELL D,US
分类号 B21C47/28;B65H49/08;B65H75/02;(IPC1-7):B65H49/00 主分类号 B21C47/28
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