Branch tool

Details Branch tool Branch tool

1976-06-09

1977-08-23

Larson, Lowell A.

Metal deforming

With cutting

By shearing tool-couple

72393, 83191, B21D 1900, B21D 3908

Patent

active

040431649

ABSTRACT:
A tool for shaping the end of a branch tube which is to be engaged in a socket in the side of a main tube which tool comprises a die having an aperture to neatly receive the end of a branch tube to be shaped, and an intersecting bore in which a pair of cutters are disposed to each extend into the aperture, the cutters each having slits into which the end of a branch tube may be inserted, the slits being shaped to notch out diametrically opposed segments from the branch tube against the die, means being provided to displace the cutters outwardly and to return them after displacement.

REFERENCES:
patent: 1831003 (1931-11-01), Holland
patent: 2765848 (1956-10-01), Bakula
patent: 3259003 (1966-07-01), Griffin

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