Reinforcing Pad
The pad welded round a nozzle on a shell or a pipe: rolled to the shell, with the hole for the nozzle and a tell-tale hole, whole or in two halves. The pad welded round a nozzle on a shell or a pipe to reinforce the opening: the plate rolled to the shell, with the hole for the nozzle and a tell-tale hole, whole or in two halves.
How the reinforcing pad is developed, with a worked example · Vessels