Cutting, profiling, and edge-preparing apparatus

Details Cutting, profiling, and edge-preparing apparatus Cutting, profiling, and edge-preparing apparatus

2008-01-22

2008-01-22

Fridie, Jr., Willmon (Department: 3722)

Turning

Portable lathe for pipe turning

Reexamination Certificate

active

10829524

ABSTRACT:
An apparatus for cutting and/or profile machining an edge of a pipe is provided. The apparatus includes a housing, a rotatable faceplate mounted on a front surface of the housing, and a tool holder mounted on the faceplate and holding a cutting tool. In a first embodiment, a cutting apparatus includes gearing that permits the tool holder to be moved relative to a surface of a pipe in a rapid-feed mode, a slow-feed mode and a rapid-return mode. In second and third embodiments, a profile machining apparatus includes a carriage having a profiling roller or shaft that advances (or retracts) relative to a pipe along a path defined by a template. The carriage to which the cutting tool is mounted is pivoted about a support shaft permitting the carriage and tool to change its angle and orientation relative to the pipe while advancing or retracting.

REFERENCES:
patent: 4449871 (1984-05-01), Hillestad
patent: 4813314 (1989-03-01), Kwech
patent: 5165206 (1992-11-01), Sword et al.
patent: 5549024 (1996-08-01), Ricci
patent: 6189425 (2001-02-01), Ricci et al.
patent: 6540455 (2003-04-01), Speranza
patent: 6966731 (2005-11-01), VanderPol et al.

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