发明名称 Ultrasonic cut and bonded elastic material
摘要 A method of forming a hem of an elastic material includes laying a first stretch fabric sheet upon a second stretch fabric sheet, cutting an excess edge strip from the first stretch fabric sheet and the second stretch fabric sheet along a fuse line and simultaneously fusing the sheets together along the fuse line, positioning an elastic strip between the first and second sheets along the fuse line, and fusing the elastic strip to one of the sheets to form a hem.
申请公布号 US7972455(B2) 申请公布日期 2011.07.05
申请号 US20070860672 申请日期 2007.09.25
申请人 CLOVER GROUP INTERNATIONAL LIMITED 发明人 LAU WAI CHING ANDY
分类号 A41C5/00;B29C65/08 主分类号 A41C5/00
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