Nautical Term: Duplicating pipe

Definition of Duplicating pipe

Duplicating pipe refers to a length of tubing, often made of brass, utilized in conjunction with paint to transfer the layout of rivet holes from a template to the plate. The pipe’s end is immersed in paint, and while still wet, is pressed through each hole on the template, leaving an impression on the plate.

For instance, in the shipbuilding process, a duplicating pipe is used to transfer the pattern of rivet holes from a paper template to the metal plate. This ensures that each plate is identical to the next, enhancing the overall quality and strength of the ship.

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