| 摘要 |
<p>1,244,666. Sliding clasp fasteners. R. BOURDERON. 25 Nov., 1968 [24 Nov., 1967], No. 55775/68. Heading E2S. A sliding clasp fastener stringer includes a continuous coiled or sinuous wire 1a, 1b. forming coupling elements 2a, 2b, at least one thread interconnecting successive portions of the wire e.g. by means of a chain stitch seam 5a, 5b A pair of engaged stringers is produced simultaneously e.g. using a twin-needle sewing machine, and carrier tapes 3a, 3b may be attached by further chain-stitch seams 4a, 4b or by adhesive means.</p> |
