| 摘要 |
617,553. Angular bending; formers. DOLPHIN, H. E., and DOLPHIN, J. R. V. Oct. 7, 1946, No. 29828. [Class 83 (iv)] In apparatus for bending strip material in making lamp fittings, fire screens, &c., a strip is inserted against a flat stop 3 and is bent about a former 4 by a pin 8 on a handle 6 carrying a pin 7 engaging a hole in the former 4. Formers 9, 10 of different curvature and a stop 11 are provided for hand bending. |
