Pipe cutting templet

Details Pipe cutting templet Pipe cutting templet

1985-07-16

1986-10-21

Stallard, Wayland

Metal treatment

Compositions

Heat treating

266 54, 266 64, B23K 710

Patent

active

046183787

ABSTRACT:
A templet for cutting patterns in pipe with a torch includes a tube that is axially split into hemicylindrical segments. The segments are biased together in alignment with a coil spring. The segments are spread apart by squeezing attached handles together. A wide flat face transverse the tube wall at each tube end, defines a pattern. The flat face is formed by the tube wall and a coextensive flange. The tube covers and protects portions of the pipe to be retained and exposes the portion to be cut away. To make a cut, a flat-sided collar near the torch tip is positioned flush against the flat face. The flat face is angled to the tube wall so that a cutting axis of the torch will be oriented at a desired angle to a pipe telescoped within the tube. As the torch is moved along the flat face from a centered position where the cutting axis is radial of the tube axis, the flat side of the torch collar is maintained flush against the flat face, and the cutting axis is maintained parallel to that of the center torch position. Thus, the cut is made accurately with simple continuous motions.

REFERENCES:
patent: 3417477 (1968-12-01), Nowotny
patent: 3417979 (1968-12-01), Cable
patent: 4381854 (1983-05-01), Bruner
patent: 4414041 (1983-11-01), Rusk

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