Ammunition round
First Claim
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1. An ammunition round comprising:
- a casing for containing a propelling charge;
a substantially full bore diameter slug have a substantially conical taper over substantially its entire length which has a plurality of full length grooves in its outer surface extending generally longitudinally of the slug; and
a sabot into which the slug seats and which seals the slug into the casing, the sabot having a plurality of fingers seated in respective ones of the grooves in the slug, the fingers having a thickness substantially the same as the depth of the grooves and extending substantially the length of the slug thereby to stabilize the slug and prevent it from tilting off axis as it travels down the barrel through which it is fired.
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Abstract
In an ammunition round a substantially full bore diameter bullet has a plurality of elongate grooves either helically formed or parallel with the longitudinal axis of the bullet and a sabot which has a body and fingers which engage with the grooves and seal the bullet in a casing, the sabot having a slightly larger diameter than the bullet so that the sabot is engraved by the rifling slots in the barrel through which the round is to be fired, in order to rotate the bullet. In alternative constructions the grooves contain elongate elements or a plurality of spherical elements to prevent the conically tapered slug or bullet from tilting or cocking in the barrel after firing.
48 Citations
16 Claims
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1. An ammunition round comprising:
- a casing for containing a propelling charge;
a substantially full bore diameter slug have a substantially conical taper over substantially its entire length which has a plurality of full length grooves in its outer surface extending generally longitudinally of the slug; and
a sabot into which the slug seats and which seals the slug into the casing, the sabot having a plurality of fingers seated in respective ones of the grooves in the slug, the fingers having a thickness substantially the same as the depth of the grooves and extending substantially the length of the slug thereby to stabilize the slug and prevent it from tilting off axis as it travels down the barrel through which it is fired. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
- a casing for containing a propelling charge;
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10. An ammunition round comprising:
- a casing for containing a propelling charge;
a substantially full bore diameter slug having a substantially conical taper over substantially its entire length which has a plurality of full length grooves in its outer surface extending generally longitudinally of the slug, and a plurality of elongate elements seated in the grooves and having a thickness substantially the same as the depth of the grooves and extending substantially the length of the slug thereby to stabilize the slug and prevent it from tilting off-axis as it travels down the barrel through which it is fired. - View Dependent Claims (11, 12, 13, 14, 15, 16)
- a casing for containing a propelling charge;
Specification
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Current AssigneeBranscomb, PC
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Original AssigneeBranscomb, PC
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InventorsSullivan, Leroy J.
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Primary Examiner(s)Tudor, Harold J.
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Application NumberUS07/078,549Time in Patent Office622 DaysField of Search102/430, 102/436, 102/448, 102/439, 102/501, 102/517-523, 102/532, 244/3.23US Class Current102/439CPC Class CodesF42B 10/22 Projectiles of cannelured typeF42B 14/02 Driving bands; Rotating ban...F42B 14/064 Sabots enclosing the rear e...F42B 7/10 Ball or slug shotgun cartri...
