| 摘要 |
1469680 Fastener element for a concealed sliding clasp fastener YOSHIDA KOGYO KK 30 Dec 1974 [28 Dec 1973] 55982/74 Heading E2S An interlocking fastener element 10 for a concealed sliding clasp fastener comprises a filamentary member formed from plastics, or similar pliable, material into a modified meander structure consisting of longitudinally aligned clasps 11 each of which includes a coupling head 11a, upper and lower shanks 11b and 11c extending rearwardly from said coupling head 11a, a bridge portion 11d extending between and connecting two adjacent upper shanks 11b and 11c, a clamping portion 11e extending from said lower shank 11c and a link portion 11f extending between and connecting two adjacent clamping portions 11c, the fastener element being reduced in thickness throughout a region of each clasp extending from said lower shank 11c up to said link portion 11f, said clamping portions 11e being adapted to serve, when the fastener element is incorporated in the concealed. sliding clasp fastener, to clamp a marginal tape edge T between said clamping portions 11e and said upper shanks 11b. As shown, the link portions 11f rise substantially upright from the clamping portions 11e to provide: a clearance between the lower surface of the tape T and the clamping portions 11e for the passage of a slider S, the clamping portions 11e being flattened. |
