9mm cartridge casing
First Claim
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1. An improved 9 mm cartridge casing having greater strength and reliability, which cartridge casing comprises:
- a substantially hollow cylindrical casing of suitable metallic material having a length of from about eight hundred ninety thousandths of an inch (0.890 in.) to about nine hundred thousandths of an inch (0.900 in.), said casing having as its external dimensions;
a first end portion extending from about forty thousandths of an inch (0.040 in.) to about fifty thousandths of an inch (0.050 in.) from the first end thereof, and having an outer diameter of about three hundred ninety-two thousandths of an inch (0.392 in.);
a first intermediate portion extending from about twenty-one thousandths of an inch (0.021 in.) to about forty-nine thousandths of an inch (0.049 in.) from said first end portion thereof, and having an outer diameter of from about three hundred thirty-three thousandths of an inch (0.333 in.) to about three hundred forty-eight thousandths of an inch (0.348 in.);
a second intermediate portion extending from about twenty-one thousandths of an inch (0.021 in.) to about forty-nine thousandths of an inch (0.049 in.) from said first intermediate portion thereof, and having an outer wall which increases in diameter from about a diameter of from about three hundred thirty-three thousandths of an inch (0.333 in.) to about three hundred forty-eight thousandths of an inch (0.348 in.) to a diameter of about three hundred ninety-two thousandths of an inch (0.392 in.) at a substantially constant rate of increase of from about thirty degrees (30°
) to forty degrees (40°
) from the centerline of said casing; and
,a second and opposite end portion extending for the remaining length of said casing, and having an outer wall which uniformly decreases in diameter from a diameter of from about three hundred ninety-two thousandths of an inch (0.392 in.) to a diameter of from about three hundred seventy-two thousandths of an inch (0.372 in.) to about three hundred eighty thousandths of an inch (0.380 in.);
and as its interior dimensions;
a first interior portion extending from about one hundred fifteen thousandths of an inch (0.115 in.) to about one hundred twenty-one thousandths of an inch (0.121 in.) from the first end thereof, and having an inner diameter of from about one thousand seven hundred thirty-two ten-thousandths of an inch (0.1732 in.) to about one thousand seven hundred forty-four ten-thousandths of an inch (0.1744 in.);
a second interior portion extending for a minimum of at least about forty thousandths of an inch (0.040 in.), and having an inner diameter of about from seventy-nine thousandths of an inch (0.079 in.) to about eighty-three thousandths of an inch (0.083 in.);
a third interior portion extending to about from about five hundred seventy thousandths of an inch (0.570 in.) to about five hundred ninety thousandths of an inch (0.590 in.) from said first end of the casing, and having an inner diameter which increases to from about three hundred fifty-two thousandths of an inch (0.352 in.) to about three hundred fifty-six thousandths of an inch (0.356 in.); and
,a fourth interior portion extending from said third interior portion to the second and opposite end of said casing, and having a constant inner diameter of from about three hundred fifty-two thousandths of an inch (0.352 in.) to about three hundred fifty-six thousandths of an inch (0.356 in.).
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Abstract
The present invention shows an improved 9 mm cartridge casing having greater strength and reliability. This cartridge casing is a substantially hollow cylinder of a suitable metallic material with a length of about nine hundred thousandths of an inch (0.900 in.). The casing is unique in that its external dimensions include a first end portion having an outer diameter of from about three hundred ninety-two thousandths of an inch (0.392 in.) to about four hundred one thousandths of an inch (0.401).
The casing also has an opposite end portion with an outer wall which uniformly decreases in diameter from a diameter of from about three hundred ninety-two thousandths (0.392 in.) to about four hundred and one thousandths of an inch (0.401 in.). to an diameter of about three hundred eighty thousandths of an inch (0.380 in.).
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Citations
2 Claims
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1. An improved 9 mm cartridge casing having greater strength and reliability, which cartridge casing comprises:
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a substantially hollow cylindrical casing of suitable metallic material having a length of from about eight hundred ninety thousandths of an inch (0.890 in.) to about nine hundred thousandths of an inch (0.900 in.), said casing having as its external dimensions; a first end portion extending from about forty thousandths of an inch (0.040 in.) to about fifty thousandths of an inch (0.050 in.) from the first end thereof, and having an outer diameter of about three hundred ninety-two thousandths of an inch (0.392 in.); a first intermediate portion extending from about twenty-one thousandths of an inch (0.021 in.) to about forty-nine thousandths of an inch (0.049 in.) from said first end portion thereof, and having an outer diameter of from about three hundred thirty-three thousandths of an inch (0.333 in.) to about three hundred forty-eight thousandths of an inch (0.348 in.); a second intermediate portion extending from about twenty-one thousandths of an inch (0.021 in.) to about forty-nine thousandths of an inch (0.049 in.) from said first intermediate portion thereof, and having an outer wall which increases in diameter from about a diameter of from about three hundred thirty-three thousandths of an inch (0.333 in.) to about three hundred forty-eight thousandths of an inch (0.348 in.) to a diameter of about three hundred ninety-two thousandths of an inch (0.392 in.) at a substantially constant rate of increase of from about thirty degrees (30°
) to forty degrees (40°
) from the centerline of said casing; and
,a second and opposite end portion extending for the remaining length of said casing, and having an outer wall which uniformly decreases in diameter from a diameter of from about three hundred ninety-two thousandths of an inch (0.392 in.) to a diameter of from about three hundred seventy-two thousandths of an inch (0.372 in.) to about three hundred eighty thousandths of an inch (0.380 in.); and as its interior dimensions; a first interior portion extending from about one hundred fifteen thousandths of an inch (0.115 in.) to about one hundred twenty-one thousandths of an inch (0.121 in.) from the first end thereof, and having an inner diameter of from about one thousand seven hundred thirty-two ten-thousandths of an inch (0.1732 in.) to about one thousand seven hundred forty-four ten-thousandths of an inch (0.1744 in.); a second interior portion extending for a minimum of at least about forty thousandths of an inch (0.040 in.), and having an inner diameter of about from seventy-nine thousandths of an inch (0.079 in.) to about eighty-three thousandths of an inch (0.083 in.); a third interior portion extending to about from about five hundred seventy thousandths of an inch (0.570 in.) to about five hundred ninety thousandths of an inch (0.590 in.) from said first end of the casing, and having an inner diameter which increases to from about three hundred fifty-two thousandths of an inch (0.352 in.) to about three hundred fifty-six thousandths of an inch (0.356 in.); and
,a fourth interior portion extending from said third interior portion to the second and opposite end of said casing, and having a constant inner diameter of from about three hundred fifty-two thousandths of an inch (0.352 in.) to about three hundred fifty-six thousandths of an inch (0.356 in.).
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2. An improved 9 mm cartridge casing having greater strength and reliability, which cartridge casing comprises:
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a substantially hollow cylindrical casing of suitable metallic material having a length of from about eight hundred ninety thousandths of an inch (0.890 in.) to about nine hundred thousandths of an inch (0.900 in.), said casing having as its external dimensions; a first end portion extending from about forty thousandths of an inch (0.040 in.) to about fifty thousandths of an inch (0.050 in.) from the first end thereof, and having an outer diameter of about three hundred ninety-two thousandths of an inch (0.392 in.) to about three hundred ninety-five thousandths of an inch (0.395 in.); a first intermediate portion extending from about twenty-one thousandths of an inch (0.021 in.) to about forty-nine thousandths of an inch (0.049 in.) from said first end portion thereof, and having an outer diameter of from about three hundred thirty-three thousandths of an inch (0.333 in.) to about three hundred forty-eight thousandths of an inch (0.348 in.); a second intermediate portion extending from about twenty-one thousandths of an inch (0.021 in.) to about forty-nine thousandths of an inch (0.049 in.) from said first intermediate portion thereof, and having an outer wall which increases in diameter from about a diameter of from about three hundred thirty-three thousandths of an inch (0.333 in.) to about three hundred forty-eight thousandths of an inch (0.348 in.) to about a diameter of from about three hundred ninety-two thousandths of an inch (0.392 in.) to about three hundred ninety-five thousandths of an inch (0.395 in.) at a substantially constant rate of increase of from about thirty degrees (30°
) to forty degrees (40°
) from the centerline of said casing; and
,a second and opposite end portion extending for the remaining length of said casing, and having an outer wall which uniformly decreases in diameter from a diameter of from about three hundred ninety-two thousandths of an inch (0.392 in.) to about three hundred ninety-five thousandths of an inch (0.395 in.) to a diameter of from about three hundred seventy-two thousandths of an inch (0.372 in.) to about three hundred eighty thousandths of an inch (0.380 in.); and as its interior dimensions; a first interior portion extending from about one hundred fifteen thousandths of an inch (0.115 in.) to about one hundred twenty-one thousandths of an inch (0.121 in.) from the first end thereof, and having an inner diameter of from about one thousand seven hundred thirty-two ten-thousandths of an inch (0.1732 in.) to about one thousand seven hundred forty-four ten-thousandths of an inch (0.1744 in.); a second interior portion extending for a minimum of at least about forty thousandths of an inch (0.040 in.), and having an inner diameter of about from seventy-nine thousandths of an inch (0.079 in.) to about eighty-three thousandths of an inch (0.083 in.); a third interior portion extending to about from about five hundred seventy thousandths of an inch (0.570 in.) to about five hundred ninety thousandths of an inch (0.590 in.) from said first end of the casing, and having an inner diameter which increases to from about three hundred fifty-two thousandths of an inch (0.352 in.) to about three hundred fifty-six thousandths of an inch (0.356 in.); and
,a fourth interior portion extending from said third interior portion to the second and opposite end of said casing, and having a constant inner diameter of from about three hundred fifty-two thousandths of an inch (0.352 in.) to about three hundred fifty-six thousandths of an inch (0.356 in.).
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Specification
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Current AssigneeJohn A. Ricco Sr
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Original AssigneeJohn A. Ricco Sr
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InventorsRicco, John A. Sr.
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Primary Examiner(s)TUDOR, HAROLD JAY
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Application NumberUS07/940,046Time in Patent Office495 DaysField of Search102/430, 102/464, 102/468, 102/469, 102/470US Class Current102/464CPC Class CodesF42B 5/26 Cartridge cases F42B5/18 ta...
