Buckles – buttons – clasps – etc. – Buckles – One-piece
Patent
1976-09-30
1977-08-23
Feldbaum, Ronald
Buckles, buttons, clasps, etc.
Buckles
One-piece
66195, A44B 1900
Patent
active
040430073
ABSTRACT:
A support tape for a slide-fastener stringer half is knitted on a Raschel knitting machine having a pair of needle bars. This tape has a pair of longitudinally extending edges and a pair of opposite faces and is knit with an intermediate warp yarn that is spaced from the edges and knit with both needle bars to form a longitudinally extending double wale that projects on both faces of the tape and subdivides the tape transversely into an attachment strip and an edge strip. A plurality of first warp yarns in only the attachment strip are knit with one needle bar and form a plurality of longitudinally extending single wales projecting only on one face of the tape, and a plurality of second warp yarns in only the edge strip are knit with the other needle bar and form a plurality of longitudinally extending single wales projecting only on the other face of the tape. A multiplicity of weft yarns are laid into the warp yarns and each extend transversely over at least one of the wales. The edge region is wrapped around a filler cord and the edgemost wale is stitched to the double wale to hold the filler cord in place so that afterward a succession of coupling teeth may be fitted over the welted edge of the tape.
REFERENCES:
patent: 3820202 (1974-06-01), Takamatsu
patent: 3926017 (1975-12-01), Matsuda
Dubno Herbert
Feldbaum Ronald
Opti Patent-, Forschungs- und Fabrikations-AG
Ross Karl F.
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