Adjustable polyethylene pipe outside bead remover

Details Adjustable polyethylene pipe outside bead remover Adjustable polyethylene pipe outside bead remover

1976-11-15

1978-04-11

Jones, Jr., James L.

Cutlery

Cutting tools

With material receiving opening

30 901, 30293, B26B 300

Patent

active

040831060

ABSTRACT:
Apparatus for removing the external bead formed when two polyethylene pipes are joined by thermal butt fusion. The apparatus comprises a frame having two arms, one of which is adapted at one end to slide on the other arm, and be maintained at an angle between the two of approximately 60.degree.. A sharp blade is attached to the first arm which presses against the surface of the pipe and the bead at a selected angle. The frame is placed against a pipe which fits into the 60.degree. V, with the two arms tangent to the pipe surface, the blade being at one point of tangency. While holding the frame in tight contact with the circumference of the pipe, the frame is rotated around the pipe so that the blade continually presses against the pipe at the root of the bead and removes the bead as a continuous strip. Various sizes of pipe can be handled by this device by sliding the second arm along the first arm closer to or further away from the blade, still maintaining the same 60.degree. angle between the two arms.

REFERENCES:
patent: 98294 (1869-12-01), Peace
patent: 402730 (1889-05-01), Foerster
patent: 729816 (1903-06-01), Warnock
patent: 843915 (1907-02-01), Stone
patent: 1763299 (1930-06-01), Galbraith
patent: 1818964 (1931-08-01), Smith
patent: 2009048 (1935-07-01), Heard
patent: 2018930 (1935-10-01), Stromgren
patent: 3831279 (1974-08-01), Burns

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