Centering device for ends of pipes to be butt-welded together has three holders for end of first pipe with extensions carrying centering screws for end of second pipe

摘要

An L-shaped bracket has a long arm (1) carrying a locking slider (5) with a centering clamp (6) engaging ends of pipes (7). A screw (12) with a protective plate (14) clamps the locking slider in place. The short arm of the screw has two arcuate slits (15) accommodating two movable centering clamps (3,4). The clamps have projections (19) carrying centering screws (9) with heads shaped like wing nuts.