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.
Patent No.:
Date of Patent:
Jan. 14, 2003
Filed:
Sep. 14, 2000
Applicant:
Inventors:
Johnny Joslin, Godley, TX (US);
David S. Wesson, Fort Worth, TX (US);
Dan W. Pratt, Fort Worth, TX (US);
Assignee:
Owen Oil Tools, Inc., Fort Worth, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F42B 1/028 ;
U.S. Cl.
CPC ...
F42B 1/028 ;
Abstract
A tubing and casing cutter is shown which can be assembled in the field from a plurality of pressed segmented pellets of free standing explosive material. The segmented pellets have a liner glued to at least one exposed face thereof. The pellets are glued to a backup plate with two mirror image plates being stacked to form a plate assembly. A plurality of plate assemblies are stacked within a surrounding container to form the cutter. The pressed pellets can also be assembled within a cup-shaped container to form a shaped charge.