Pipe bending apparatus - with pressure control cylinder connected to the brake cylinder attached to the bending head

摘要

A pipe bending appts. with a power cylinder longitudinally feeding pipes to a bending head which is linked to a braking cylinder by the movable part of the cylinder has at least one pressure central cylinder rigidly connected to the brake cylinder. The control cylinder is connected to a controllable pressure source e.g. variable capacity hydraulic pump.