| 摘要 |
1,046,975. Stud and socket fastenings. F. T. PRODUCTS Ltd. Aug. 15, 1963 [Aug. 31, 1962], No. 33596/62. Heading E2B. A one-piece fastener of a synthetic plastics material has an enlarged head 11 provided with a dished under surface and a shank 13 of W shaped cross-section. The shank 13 may be provided with shoulders 14 and a solid tip 16. In alternative arrangements the shank may be barrel shaped, Fig. 8 (not shown), or cylindrical. |
