The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 03, 1981

Filed:

Feb. 21, 1980
Applicant:
Inventors:

John A Regalbuto, Forth Worth, TX (US);

Glenn B Christopher, Forth Worth, TX (US);

Assignee:

Jet Research Center, Inc., Arlington, TX (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166 55 ; 102308 ; 102320 ; 166297 ;
Abstract

Apparatus for severing a conduit along a plane extending transversely through the conduit which includes an elongated housing forming a pair of longitudinally spaced-apart fuel chambers communicated by an impingement passage extending longitudinally between the fuel chambers. A plurality of fuel reaction products discharge nozzles are disposed transversely through the sides of the housing and means are attached to the housing for simultaneously igniting fuel contained in the fuel chambers whereby reaction products formed therefrom travel in opposite directions through the impingement passage and exit the housing by way of the discharge nozzles. Methods of severing conduits using the apparatus are also provided.


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