Slide fastener tape

At least part of constituent yarns (6a, 6b, 16a) extending in a warp direction outside and adjacent a core thread (7a, 7b, 17) woven or knitted in an element attachment edge portion (4) has a higher elongation recovery ratio R than all the other constituent yarns (6c to 6n, 6o-1, 6o-2, 16b to 16n) a...

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1. Verfasser: HORIKAWA, MITSUO
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:At least part of constituent yarns (6a, 6b, 16a) extending in a warp direction outside and adjacent a core thread (7a, 7b, 17) woven or knitted in an element attachment edge portion (4) has a higher elongation recovery ratio R than all the other constituent yarns (6c to 6n, 6o-1, 6o-2, 16b to 16n) and the core threads (7a, 7b, 17) extending in the warp direction, the elongation recovery ratio R being expressed by a following equation based on a measurement according to JIS L1096: R = ä(L1 - L2)/(L1 - L0)ü x 100 where L0 is an original length of yarn, L1 is a length of yarn when pulled under a predetermined tension and L2 is a length of yarn after the elongation is recovered under no tension. After elements are mounted, this fastener tape is formed to have a positive pucker condition in which its element attachment edge portion is dented and curved while its tape main body is slightly waved. Consequently, it is possible to construct a woven/knitted fastener stringer capable of securing linearity after this fastener tape is sewed to object clothes.