Bead stripping device

Details Bead stripping device Bead stripping device

1987-06-16

1988-03-01

Watts, Douglas D.

Cutlery

Pipe and rod cutters

Rotary

30480, 30489, B23D 2106

Patent

active

047276509

ABSTRACT:
A device for removing a weld bead from the external periphery of a plastic gas pipe.
The device (FIG. 2) has a body 10 with an inclined reaction surface 13 and a blade 21. The blade 21 is engaged with a bead 22 and the portion 22a of the bead 22 which is lifted is gripped between a toothed wheel 17 and the inclined surface 21. As the wheel 17 is rotated by use of a lever 18 operating via a ratchet, the device is moved bodily around the circumference of a pipe 31 to remove the bead 22.
Retractable and adjustable stabilising means 25, 28 etc. are provided and there is a hardened end portion 20 on the body 10 to enable the device to be hammered to engage the blade in the bead initially.

REFERENCES:
patent: 348497 (1886-08-01), Long
patent: 394548 (1888-12-01), Anderson
patent: 4494590 (1985-01-01), Kajikawa et al.

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