Thomas A Doris

US Patent:

6655293, Dec 2, 2003

Filed:

Mar 12, 2001

Appl. No.:

09/804001

Inventors:

Guy H. Henry - Mount Vernon IL
Donald E. Dillard - Murphysboro IL
Rao Yalamanchili - Flanders NJ
Dennis J. Conway - East Stroudsburg PA
Rick D. Wright - Herrin IL
Gary C. Fleming - Budd Lake NJ
Alan N. Cohen - Wharton NJ
Roger E. Joinson - Boonton NJ
Gene Venable - Sparta NJ
Thomas Doris - Sparta NJ

Assignee:

General Dynamics Ordnance and Tactical Systems, Inc. - St. Petersburg FL

International Classification:

F42B 502

US Classification:

102439, 102513, 102521, 244 323, 244 33

Abstract:

Tracer visibility of APFSDS projectiles can be enhanced through a combination of increased steady state spin rate, reduced muzzle obscuration, and optimized airflow over the stabilizing fin geometry of the sub-projectile. The preferred means to increase steady state spin rates of the sub-projectile is to incline or deflect the fin blade tip portion, creating a larger, hotter burning, tracer plume.

US Patent:

6854394, Feb 15, 2005

Filed:

Aug 15, 2003

Appl. No.:

10/641727

Inventors:

Guy H. Henry - Mount Vernon IL, US
Donald E. Dillard - Murphysboro IL, US
Rao Yalamanchili - Flanders NJ, US
Dennis J. Conway - East Stroudsburg PA, US
Rick D. Wright - Herrin IL, US
Gary C. Fleming - Budd Lake NJ, US
Alan N. Cohen - Wharton NJ, US
Roger E. Joinson - Boonton NJ, US
Gene Venable - Sparta NJ, US
Thomas Doris - Sparta NJ, US

Assignee:

General Dynamics Ordnance and Tactical Systems, Inc. - St. Petersburg FL

International Classification:

F42B010/06
F42B014/06

US Classification:

102521, 102439, 244 323, 244 324

Abstract:

Tracer visibility of APFSDS projectiles can be enhanced through a combination of increased steady state spin rate, reduced muzzle obscuration, and optimized airflow over the stabilizing fin geometry of the sub-projectile. The preferred means to increase steady state spin rates of the sub-projectile is to incline or deflect the fin blade tip portion, creating a larger, hotter burning, tracer plume.

US Patent:

43865674, Jun 7, 1983

Filed:

Jul 28, 1981

Appl. No.:

6/287598

Inventors:

Thomas Q. Ciccone - Ocean City NJ
Thomas A. Doris - Sparta NJ

Assignee:

The United States of America as represented by the Secretary of the Army - Washington DC

International Classification:

F42B 508
F42B 500

US Classification:

1022025

Abstract:

A combination percussion-electric primer operable in a percussion mode or an electric mode, which includes the elements of a primer cup, in which an electrically-conducting contact button is disposed at one end thereof, and a booster charge supporting cup is disposed within the other end of the primer cup. A space between the contact button and supporting cup is adapted to receive a supply of priming composition.

US Patent:

H4898, Jul 5, 1988

Filed:

Dec 1, 1986

Appl. No.:

6/936681

Inventors:

Bruce W. Brodman - Stroudsburg PA
Thomas A. Doris - Sparta NJ

Assignee:

The United States of America as represented by the Secretary of the Army - Washington DC

International Classification:

F42B 1316
F42B 1100

US Classification:

102503

Abstract:

A projectile capable of detecting toxic agents in the atmosphere at long ge, particularly halogen containing materials, containing therein a pyrotechnic composition comprising magnesium, calcium resinate and strontium nitrate. The projectile has an orifice therethrough along its longitudinal axis to enable the projectile to sample the atmosphere as it travels therethrough.

US Patent:

60367946, Mar 14, 2000

Filed:

Mar 31, 1998

Appl. No.:

9/054318

Inventors:

Thomas A. Doris - Sparta NJ
Kevin D. Vest - Pleasant Hill MO

Assignee:

The United States of America as represented by the Secretary of the Army - Washington DC

International Classification:

C06B 4510
C06B 4502
C06B 3300
C06B 3302
D03D 2300

US Classification:

149 194

Abstract:

An igniter composition, and a method of manufacturing the igniter composin, comprised of an oxidizer dispersed in polyurethane resin using anhydrous acetone as a solvent. The polyurethane resin is cured at room temperature and granulated to form a granulated igniter. The granulated igniter may be blended with powdered magnesium. Preferably, the oxidizer is strontium peroxide and the amount of polyurethane resin is approximately 10 to 14 parts by weight and the amount of strontium peroxide is approximately 90 to 86 parts by weight, the ideal mixture is 12 part by weight polyurethane resin and 88 parts by weight strontium peroxide.

US Patent:

54725364, Dec 5, 1995

Filed:

Dec 19, 1994

Appl. No.:

8/358290

Inventors:

Thomas A. Doris - Sparta NJ
Raymond Martin - Tallahassee FL

Assignee:

The United States of America as represented by the Secretary of the Army - Washington DC

International Classification:

C06B 3314

US Classification:

149 41

Abstract:

A pyrotechnic mixture for use in tracer rounds of projectiles to increase sibility under high speed conditions when viewed through laser hardened optics, comprising, in percentages by weight, an admixture of 20% to 40% magnesium, 10% to 30% strontium nitrate, 3% to 8% sodium nitrate, 3% to 20% barium peroxide and 1% to 5% viton. Additional ingredients that increase the pyrotechnic effectiveness are 0% to 5% aluminum, 0% to 15% potassium perchlorate, 0% to 5% manganese dioxide, 0% to 10% iron oxide as Fe. sub. 2 O. sub. 3, 0% to 15% potassium nitrate, 0% to 10% Teflon and 0% to 1% ethyl cellulose.