Gear cutting – milling – or planing – Milling – Means for internal milling
Patent
1988-07-26
1989-11-07
Howell, Daniel
Gear cutting, milling, or planing
Milling
Means for internal milling
409164, 409185, 409190, 409211, 409216, B23C 300
Patent
active
048787892
ABSTRACT:
Apparatus for cleaning the inside of a metallurgical vessel including an inclined foundation and ways on the inclined foundation to support the carriage of a mobile cleaning device. The mobile cleaning device has a carriage which moves along the ways on said inclined foundation. The mobile cleaning device has a pivotally mounted boom with a rotary shaft having a cutting head mounted on its end and bits on the cutting head. A support stand is located adjacent the upper end of the inclined foundation for holding a metallurgical vessel in a stationary position during cleaning.
REFERENCES:
patent: 2750178 (1952-03-01), McCallum
patent: 2911662 (1959-11-01), Sedgwick
patent: 2963725 (1960-12-01), Bredtschneider
Brochure entitled "Dosco Roadheader MK2A Tunnelling Machine" Jan., 1975.
Howell Daniel
Louis A. Grant, Inc.
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