Pipe Yarning Chisel Plumber's lead pipe bending pin

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Pipe Yarning Chisel
Science Museum Group
© The Board of Trustees of the Science Musuem

Plumber's lead pipe bending pin
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Pipe yarning chisel, used by Robert Stockley in Manchester in the 1980s.

The spigot and socket joint, on a cast iron pipe, are first filled with oakum and then driven tight with the yarning chisel. The joint is then filled with molten lead, and the lead is driven tight with a shorter caulking tool to make a water tight joint.

Details

Category:
Gas Industry
Object Number:
Y2009.52.5
Materials:
carbon steel
Measurements:
Overall: 220 mm, 20 mm,
type:
pipe yarning chisel