Ammunition and explosives – Cartridges – Practice projectile type
Patent
1992-03-20
1993-11-09
Tudor, Harold J.
Ammunition and explosives
Cartridges
Practice projectile type
102439, 102444, 102529, F42B 802
Patent
active
052593193
ABSTRACT:
A reusable "training" or "practice" round has a reusable hollow casing and a reusable hollow projectile that "snap together" and are releasably retained in assembled relationship by utilizing a resilient connecting member such as a groove-carried O-ring that is interposed between juxtaposed surfaces of concentrically interfitting portions of the casing and the projectile. The assembled practice round is inserted into the chamber end region of the barrel of a firearm and, when the round is fired, the casing is retained in the chamber as the projectile is caused to move along the barrel of the firearm and to discharge along a trajectory that closely simulates the path of flight of a "live" round. Propellant is provided by a reloadable or disposable blank-type cartridge. The projectile and the casing have hollow interiors that communicate and cooperate to define a closed chamber into which the blank round is fired to explosively generate the force needed to rapidly disconnect the projectile from the casing and to launch the projectile through the barrel of the firearm. A snap-together type of releasable connection is established between the casing and the projectile 1) by providing the casing and the projectile with coaxially extending surfaces that are brought into juxtaposed relationship during assembly of the casing and the projectile, and 2) by positioning a resilient connecting member to be tightly clamped between the juxtaposed surfaces just as assembly of the round is completed.
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No. 14 Liquid Filled Barricade Projectile CN,CS and Practice (2 page advertis.) Def-Tec Corporation, Rock Creek, Ohio 44084 (believed to be 1990 or before).
No. 17 Long and Short Range Projectile CN,CS and Smoke (2 page advertisement) Def-Tec Corporation, Rock Creek, Ohio 44084 (believed to be 1990 or before).
No. 19 Multiple Projectile Round CN,CS and Smoke (2 page advertisement) Def-Tec Corporation, Rock Creek, Ohio 44084 (believed to be 1990 or before).
No. 20 Wood No. 20 Foam Multiple Baton Round (2 page advertisement) Def-Tec Corporation, Rock Creek, Ohio 44084 (believed to be 1990 or before).
No. 21 Muzzle Blast Dispersion CN, CS and Practice (2 page advertisement) Def-Tec Corporation, Rock Creek, Ohio 44084 (believed to be 1990 or before).
No. 1315 Shoulder Gas Gun 37/38 mm 1.5-inch Caliber (2 page advertisement), Def-Tec Corporation, Rock Creek, Ohio 44084 (believed to be 1990 or before).
M-203PI Product Improved 40 mm Grenade Launcher System (2 page advertisement) R/M Equipment, Miami, Fla. 33166 (bears copyright date of 1989).
No. 12 Heavy Barricade Projectile CN,CS and Smoke (2 page advertisement) Def-Tec Corporation, Rock Creek, Ohio 44084 (believed to be 1990 or before).
Dravecky Joseph
Dravecky Richard
Dravecky, Jr. Frank G.
Nichols John G.
Burge David A.
Tudor Harold J.
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