Bending device for small-diameter pipes

Details Bending device for small-diameter pipes Bending device for small-diameter pipes

1990-04-20

1991-09-03

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

Comprising tool movable relative to stationary work-portion...

72219, 72387, B21D 7024

Patent

active

050441884

ABSTRACT:
The present invention relates to a bending device for small-diameter pipes of various shapes usable as an oil, air or fuel supply path to be employed in automobiles and other various kinds of machines and equipment.
The bending device of the present invention includes a frame, a rotary actuator having a rotary arm, a pressure roll supported by a support erected on the rotary arm and passing through the frame and a plate-like jig fixed to the upper surface of the frame and provided with a shaping roll opposing the pressure roll. The plate-like jig is light in weight and replaceable with another jig so as to meet various pipe bending shapes so that the time and labor required for bending the pipe to different shapes are sharply saved thereby improving productivity.

REFERENCES:
patent: 533965 (1895-02-01), Richard
patent: 567811 (1896-09-01), Lefevre
patent: 2266912 (1941-12-01), Shaw, Jr.
patent: 2557579 (1951-06-01), Stringfield
patent: 4052875 (1977-10-01), Sakamoto

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