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(11) | EP 0 719 508 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Knit slide fastener |
| (57) A knit slide fastener including a fastener tape (1) composed of a warp-knit ground
structure including chain stitches, and a row of cntinuous coupling elements (5) knit
into and along an element-supporting portion (2) of the fastener tape (1) as the fastener
tape (1) is knit, wherein a plurality of threads (10) are knit into the element-supporting
portion (2) as binding chain stitches, so as to form a group of successive longitudinally
interlocked needle loops appearing on the front side and arranged such that in every
two adjacent courses (4), the preceding needle loop (12a) overlies an upper leg (6)
of one coupling element (5), and the succeeding needle loop (12b) is disposed in a
space between the coupling element (5) and an adjacent coupling element (5) at a position
close to the ground structure so as to bend or flex the preceding needle loop (12a)
into an inverted U shape extending embracingly over the upper and lower legs (6, 7)
of the coupling element (5). With this arrangement, the row of coupling elements (5)
can be firmly secured to the ground structure of the fastener tape (1) with high dimensional
stability, and can always retain a stable attachment posture to insure the functions
required in the slide fastener. |