Necking pliers for pipes and the like

Details Necking pliers for pipes and the like Necking pliers for pipes and the like

1992-03-23

1993-11-23

Crane, Daniel C.

Metal deforming

With means to actuate both elements of tool-couple

Handle actuated

72385, 81342, 81381, B21D 1502

Patent

active

052633551

ABSTRACT:
The necking pliers comprises a first arm having a U-shaped cross section and forming a nose in which is made a notch, with the notch defining blade-forming edges. The first arm is articulated to a second arm via a first pin placed near one end of the nose. The second arm defines a set of ramps for actuating at least one blade articulated on a second pin of the first arm, with the second pin being placed beyond the notch.

REFERENCES:
patent: 273382 (1883-03-01), Packham
patent: 354657 (1886-12-01), Rowe
patent: 704217 (1902-07-01), Sarr
patent: 1066804 (1913-07-01), Falk
patent: 1809168 (1931-06-01), Junkers
patent: 2861491 (1958-11-01), Rozmus
patent: 3028628 (1962-04-01), Rutherford

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