Metallurgical apparatus – Means for cutting solid metal with heat – e.g. – blowpipes – Hand held – work riding torch
Patent
1979-10-12
1981-08-11
Rutledge, L. Dewayne
Metallurgical apparatus
Means for cutting solid metal with heat, e.g., blowpipes
Hand held, work riding torch
266 68, 266 70, 266 71, 266 76, B23K 710
Patent
active
042830435
ABSTRACT:
A system for using a cutting torch for making accurate curved, straight and beveled cuts. A supporting and guiding device is attached to cutting torches, which may be of various sizes and shapes, and includes an elongated bar having a ring and opposed set screw clamp at one end to receive the torch tip. A member on the elongated bar carries a workpiece engaging knife-edge wheel and supports the lower parallel tube of the torch, this member being removably mounted on and slidable along the bar to desired positions. The height bar above the wheel is adjustable for positioning the burning tip at the correct angle and spacing with respect to the workpiece. The wheel can be positioned with its plane transverse to the bar for making curved or lateral cuts, or parallel to the bar for making longitudinal straight, perpendicular or bevel cuts. A centering pin is slidably positionable on the bar for making long radius cuts. Smaller circular and other cuts are made with the use of a template having grooves in which the centering pin rides, the wheel being retracted during such operation. A method is disclosed using a template having a straight edge and keeping the torch parallel to such edge. Both the attachment and template are made of stainless steel to reduce hot metal adherence.
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Rutledge L. Dewayne
Sheehan John P.
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