Lance with blowout preventer, oxygen flow reducer and improved ignition system
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United States of America Patent
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-
Jul 12, 2022
Grant Date -
Oct 8, 2020
app pub date -
Mar 11, 2020
filing date -
Apr 5, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A telescoping thermal lance assembly including a housing with an oxygen inlet port. An extension tube disposed in the housing. The extension tube having a cylindrical interior cavity. The extension tube configured to slide at least partially out of the housing when pressurized oxygen is channeled into the inlet port. A cylindrical lance tube is located within the interior cavity of the extension tube and slides partially out of the extension tube when pressurized oxygen is channeled into the housing. A slice rod is located within the lance tube. A cap is attached to the top of the extension tube and spaced apart from the tip of the lance tube. A tubular blow-out preventer sleeve is located between the cap and the top of the lance tube and has an outer diameter less than the inner diameter of the extension tube.
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