| 摘要 |
<p>507,198. Welding box sections for motor-vehicle frames. BUDD MANUFACTURING CO., E. G. May 18, 1938, No. 5276/39. Convention date, May 19, 1937. Divided out of 504,505. Drawings to Specification. [Classes 83 (ii) and 83 (iv)] A flat cover strip is united to the open side of a flanged channel section beam for a motor vehicle chassis by holding the beam against distortion, clamping the strip to the beam first in the centre and then at its end portions and then.welding through the mating margins of the cover strip and the beam flanges. The welding machine is fully described in connection with Specification 504,505.</p> |
