| 摘要 |
1463628 Sliding clasp fasteners YOSHIDA KOGYO KK 30 Dec 1974 [28 Dec 1973] 55984/74 Heading E2S A sliding clasp fastener stringer includes a stringer tape 11 and a continuous coupling element 10 mounted thereon the continuous coupling element having a zig-zag configuration including a series of ladder-like transverse portions 12 each of which has a coupling head 13 and a pair of legs 14, 15 extending rearwardly therefrom to hold a longitudinal edge portion of the stringer tape therebetween, the continuous coupling element also including a series of longitudinal connective portions 16 each interconnecting two adjacent transverse portions 12 and alternately located on the opposite sides of the stringer tape, and means defining a tape-gripping portion extending over a limited length of each respective leg and defining a flat surface 17a, or 18a and having a transverse cross-section different from the cross section of each of the other two portions of the leg located one between the coupling head and the tape-gripping portion and the other between the tape gripping portion and a connective portion 16. According to the invention also the flat surfaces 17a, 18a of each pair of tape-gripping portions are disposed in opposite spaced-apart relation to each other and in engagement with respective opposite sides of the stringer tape to secure the coupling element thereto, each of said tape gripping portions being disposed intermediate a respective coupling head and a respective connective portion. |
