发明名称 PIPED BUTTONHOLE CONSTRUCTION
摘要 A piped buttonhole construction comprising upper and lower layers having aligned openings therein and further having intermediate layers sandwiched therebetween, said intermediate layers extending from opposite sides of said openings to a point adjacent the center of said opening and then being reversely bent upon themselves to provide adjacent folded edges extending across said openings, and adhesive means securing opposite sides of said reversely bent intermediate layers to said upper and lower layers in an area adjacent to the periphery of said openings, whereby said finished buttonhole construction is completely devoid of any stitching.
申请公布号 US3675279(A) 申请公布日期 1972.07.11
申请号 USD3675279 申请日期 1971.04.05
申请人 AMH CORP. 发明人 JAMES R. MODEN
分类号 A41F1/02;(IPC1-7):A44B17/00 主分类号 A41F1/02
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