Turning – Process of turning
Patent
1977-06-20
1978-12-19
Hinson, Harrison L.
Turning
Process of turning
B23B 334
Patent
active
041300343
ABSTRACT:
A portable apparatus for refacing either pin or box portions of damaged pipe sections on site including a housing, a set of truing up plates mounted on the housing for initially positioning the damaged pipe sections inside the apparatus, a set of jaws mounted on the housing and provided with movable elements for adjustably securing the surface of the pipe section, a ring gear rotatably mounted on the housing, and resurfacing tools provided on the rotatable ring gear. An associated gearing mechanism tracks the resurfacing tool toward and away from the center of the pipe section as the ring gear is rotated by an attached conventional power source.
Alternative gauging arms are provided for initially positioning the damaged pipe section inside the apparatus.
REFERENCES:
patent: 612743 (1898-10-01), Maier
patent: 1115277 (1914-10-01), Bodkin
patent: 1823959 (1931-09-01), Steinmayer
patent: 1985541 (1934-12-01), Hoefer
patent: 2271582 (1942-02-01), Dixon
patent: 2634643 (1953-04-01), Krooss
patent: 2769234 (1956-11-01), Young
patent: 3367219 (1968-02-01), Walters
patent: 3744356 (1973-07-01), Slator et al.
patent: 3813968 (1974-06-01), Thomas
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