Pipe bender has hinge connected between wrinkle smoother and retainer, while smoother is positioned behind pipe bending tool

摘要

A pipe bender (1) has a bending tool (3) rotatable about an axis (4), and a wrinkle smoother (8) behind the bending tool to eliminate wrinkles formed during pipe bending. A hinge (11) connects between the smoother and a retainer (12). The axes (4,15) of the bending tool and the hinge are in parallel with each other.