Portable alignment tool Patent
Portable device for aligning surfaces of two adjacent wall or sheet sections for joining at point of junction
Franklin, W. J.↗
Engineering topics
Publications and source records attributed to Martin, N. C..
Portable device for aligning surfaces of two adjacent wall or sheet sections for joining at point of junction
Segmented back-up bar for butt welding large tubular structures such as rocket booster bodies or tanks
Welding clamps, placed inside and outside a rocket case, hold it in proper alignment during tungsten inert gas welding. These metal blocks, connected by a stainless steel band, eliminate the need for backup bars.