发明名称 Tubular loop forming tool for sewing machines
摘要 A tubular loop forming tool for sewing machines replaces the normal presser foot attached to the sewing machine presser bar, thereby providing the function of the presser foot and also serving as a gauge to control the size of a tubular loop being sewn from fabric material, the gauge preferably being adjustable so various size tubular loops may be formed.
申请公布号 US4120253(A) 申请公布日期 1978.10.17
申请号 US19770787859 申请日期 1977.04.15
申请人 BLAIR, THOMAS O. 发明人 BLAIR, THOMAS O.
分类号 D05B35/02;(IPC1-7):D05B29/00;D05B35/00 主分类号 D05B35/02
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