Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Frictionally engaging sides of opening in work
Patent
1978-04-21
1980-11-04
Vlachos, Leonidas
Cutting by use of rotating axially moving tool
With work-engaging structure other than tool or tool-support
Frictionally engaging sides of opening in work
408100, 408111, 82 4C, B23B 4100, B23B 4110
Patent
active
042316901
ABSTRACT:
A tube lock drill for remotely performing operations on equipment including a positioning mechanism disposed in the equipment for selectively positioning the tool with respect to the equipment with the tool comprising a locking mechanism associated with the positioning mechanism for securing the tool in proper relationship to the equipment, a cutting mechanism disposed on a locking mechanism for performing cutting operations on the equipment, and a lifting mechanism attached to the positioning mechanism and attached to the cutting mechanism for lifting the cutting mechanism into contact with the equipment. The tube lock drill tool is capable of being arranged in a plenum of a nuclear steam generator so that remote operations may be performed on the tube sheet and heat exchange tubes in the nuclear steam generator.
REFERENCES:
patent: 2289631 (1942-07-01), Cuda et al.
patent: 3913752 (1975-10-01), Ward et al.
patent: 4018346 (1977-04-01), Leshem et al.
DePaul L. A.
Dermer Z. L.
Vlachos Leonidas
Westinghouse Electric Corp.
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