Fixture for cutting tube turns

Details Fixture for cutting tube turns Fixture for cutting tube turns

1979-12-31

1982-01-26

Rutledge, L. Dewayne

Metallurgical apparatus

Means for cutting solid metal with heat, e.g., blowpipes

With means for cutting tubular workpiece

266 71, 266 77, 269 41, B23K 704

Patent

active

043124984

ABSTRACT:
A fixture for selectively positioning a tube turn for acetylene torch cutting thereof to a desired included angle includes means for supporting a tube turn of particular dimension and for selectively positioning the tube turn relative to a vertical or horizontal plane of reference and for selectively positioning the tube turn at a particular angle with reference to the selected plane of reference. Means is also provided for orienting a cutting torch for accomplishment of a circular cut through the tube turn, said cut being made in a plane positioned substantially normal to an axis defined by the support structure. The support structure defines an annular tube orienting surface that is adapted to establish annular surface contact with the outer curved surface portion of the tube turn. This supporting surface is defined by lines of intersection of a cylinder with the outer surface of a tube turn that is oriented with the center line of the cylinder in intersecting relation with the arcuate center line of the tube turn. The supporting surface maintains the entire annular periphery thereof in orienting contacts with the outer curved surface portion of the tube turn.

REFERENCES:
patent: 2464444 (1949-03-01), Gantz
patent: 2698748 (1955-01-01), Evans
patent: 2805057 (1957-09-01), Bain
patent: 2848215 (1958-08-01), Pendergrass
patent: 3206180 (1965-09-01), Grubish
patent: 3900346 (1975-08-01), Muller

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