| 摘要 |
1478100 Bridge top stop for sliding clasp fasteners YOSHIDA KOGYO KK 1 Sept 1975 [4 Sept 1974] 35941/75 Heading E2S In a sliding clasp fastener 10 comprises a pair of oppositely-disposed stringer tapes 11. 12 each carrying along its one longitudinal edge a row of interlocking fastener elements 15 or 16, a slider 19 having upper and lower wings 20, 21 which are interconnected by a diamond 22 and having side flanges 24, 25 which together with the diamond 22 form a guide channel including throats for the passage of the fastener elements therethrough, and a bridge top end stop 29 which comprises a body mounted astride the stringer tapes and having its rear end wall 31 offset complementarily in shape to a front end face 28 of the slider. According to the invention also the top end stop also includes a pair of spacedapart tongues 32, 33 formed integral with said body and reduced in thickness so that their upper surfaces 34, 35 lie at a level below an upper surface 36 of said body, and a pair of laterally-projecting flange-seats 40, 41 formed on the tongues, the tongues being adapted to be inserted into said throats of the slider and between said upper slider wing 20 and the stringer tapes 11, 12 with the diamond interposed between the tongues 32, 33 and with the projecting flange-seats 40, 41 of the tongues engaged with the flanges 24. 25 of the upper slider wing 20. As shown, when the stop 29, which is made of plastics and is moulded astride the stringer tapes 11, 12 adjacent their beaded edges 13, 14, is met by the slider 19 to close the tapes 11, 12 in a substantially liquid-tight manner the front entrance end 28 of the upper wing 20 of the slider 19 overlaps the tongues 32, 33 so that the seating surfaces 31, 40, 41 of the stop 29 abut corresponding top wing and side flange end seating surfaces 28, 42, 43 of the slider 19. At the same time the diamond 22 is slidingly received, in the space 44, between the tongues 32, 33 the curved surfaces 45, 46 of the tongues 32, 33 adjacent the abutment surfaces 40, 41 conforming to the flared inner surfaces 47, 48 of the upper wing side flanges 24, 25. |
