Portable tube milling tool
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United States of America Patent
Stats
-
May 22, 1984
Grant Date -
N/A
app pub date -
Dec 8, 1980
filing date -
Dec 8, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This tool is for performing precise machine operations on boiler tube ends, while the tubes are in place in the boiler, and it consists primarily of a hand-held housing, including therein a main gear and pinion gear, designed specifically for strength and long life, the combination serving to rotate a cutting tool holder, having a multiple number of cutting blades. It further includes a self-contained air motor, for driving the cutting tool holder, so as to mill the outside diameters of the boiler tubes, and the tool also includes a collet and rod secured to its center shaft, for locking the tool in a boiler tube.
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