Tube lock drill tool

Details Tube lock drill tool Tube lock drill tool

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.

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