| 摘要 |
1537224 Sliding clasp fasteners YOSHIDA KOGYO KK 22 April 1977 [23 April 1976] 16807/77 Heading E2S A device 20 for retaining concealed sliding clasp fastener stringers in the engaged position after removal of the slider consists of a channel section with in-turned flanges 22, 23 which enter the folded portion of carrier tapes 10, 11 to abut the fold lines 18', 19' internally, the channel enclosing and being slidable along the fastener elements 16. Projections 24, 25 are provided on the flanges to increase the frictional resistance to movement of the device 20 in the opening direction when lateral forces M, N are applied. |
