Method of hot tapping a pipe for installing ionic flowmeter transducers
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United States of America Patent
Stats
-
Mar 14, 1995
Grant Date -
N/A
app pub date -
May 27, 1993
filing date -
May 27, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of hot tapping a pipe for installing a carrier for use with a sonic flowmeter transducer includes the steps of welding an alignment fixture to the pipe, attaching a drilling device to the alignment fixture, drilling a hole in the pipe, removing the drilling device and replacing it with a cleaning assembly to remove metal shavings, replacing the cleaning assembly with an extraction assembly which is used to remove the drilling device, removing the extraction assembly and installing an insertion assembly to which a carrier is removably attached. The insertion assembly is employed to secure the carrier to the alignment fixture. The insertion assembly and the drilling device are then detached from the alignment fixture and are ready for reuse.
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