Cutting by use of rotating axially moving tool – Processes – Bit detachable
Patent
1990-05-29
1991-07-09
Howell, Daniel W.
Cutting by use of rotating axially moving tool
Processes
Bit detachable
131 15, 131318, 408 72R, B23B 4108, F16K 4300
Patent
active
050300393
ABSTRACT:
Apparatus and method for installing a thermometer-receiving well within a fluid service pipe without interrupting the service in the pipe. A rod member is provided which defines a first end for removably receiving a cutting member for cutting through the fluid service pipe. The cutting member is then removed from the rod member and a connecting member is removably attached to the first end of the rod member in place of the cutting member. The connecting member is adapted to removably receive a thermometer well whereby the rod member can be used to cut through the fluid service pipe and to install the thermometer-receiving well within the fluid service pipe without interrupting the service in the pipe.
REFERENCES:
patent: 2097398 (1937-10-01), Polston et al.
patent: 2151594 (1939-03-01), Grantham
patent: 2870629 (1959-01-01), Willis
patent: 3773067 (1973-11-01), Ray
patent: 3995655 (1976-12-01), Sands
patent: 4331170 (1982-05-01), Wendell
Howell Daniel W.
Kettlestrings Donald A.
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