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:
Oct. 05, 1982

Filed:

Oct. 03, 1980
Applicant:
Inventor:

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 ...
166297 ; 149 44 ; 166 55 ;
Abstract

Methods of severing conduits along planes extending transversely to the axis thereof comprising confining a fuel composition within a fuel chamber in an elongated housing sized for insertion in a conduit, the housing including a plurality of spaced radially extending discharge nozzles communicated with the fuel chamber and positioned to direct fuel reaction products in directions transverse to the axis of the housing, positioning the housing inside a conduit to be severed and igniting the fuel composition confined in the fuel chamber so that reaction products formed therefrom exit the housing by way of the discharge nozzles and impact the conduit thereby severing the conduit. Apparatus and pyrotechnic fuel compositions are also provided.


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