[특허]Composite cartridge for high velocity rifles and the like

[미국특허] Composite cartridge for high velocity rifles and the like 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F42B-005/30
출원번호	US-0494918 (1990-03-12)
발명자 / 주소	Vatsvog Marlo K. (10708 Country Club La. S. Seattle WA 98168)
인용정보	피인용 횟수 : 80 인용 특허 : 2

초록 ▼

A plastic cased metal headed ammunition casing for high powered rifle cartridges is described in which the plastic case has a pressure regulating baffle or wall in the forward end thereof to regulate and control the development of chamber pressure movement of the bullet into the rifle barrel. The cartridge is charged with a given charge of powder and the cap or head securely fastened to the rearward portion of the plastic casing. The head provides sufficient resistance to the residual pressure after firing so that the cartridge can be used in rapid fire automatic weapons.

대표청구항 ▼

A cartridge comprising: a plastic casing molded from a reinforced high impact plastic, said casing having a bullet end and a head end, said bullet end having a substantially cylindrical bullet receiving recess adapted to receive a bullet in a frictional engagement and having a pressure regulating front partition separating said bullet recess from a powder chamber, said pressure regulating front partition being molded integrally with said casing and having a frangible annulus positioned at the juncture between said partition and said casing, said annulus having a substantially uniform thickness around its periphery of from 0.010 to 0.020 inches whereby said partition resists removal thereof until a predetermined pressure is achieved in said chamber by an ignited powder charge; an external interlock surface at said head end; a cartridge head having a casing engaging recess at one end thereof and a primer receiving recess in the other end thereof, said casing engaging recess receiving said external interlock surface of said casing therein and extending toward said bullet receiving end around the outside of said external interlock surface and fairing with said casing, whereby pressure generated by detonation of a powder charge in said casing forces said casing outwardly into gas sealing relationship with said cartridge head casing engaging recess and whereby said head reinforces and prevents sidewall blowout of said casing during extraction of said cartridge from an automatic fire weapon.

이 특허에 인용된 특허 (2) 인용/피인용 타임라인 분석

Hebert John R. (Baltimore County MD), Cartridge case and cartridge arrangement and method.
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Luther Hans Werner (Buttgen DT) Bender Peter (Dusseldorf DT), Propulsive-charge case.
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이 특허를 인용한 특허 (80) 인용/피인용 타임라인 분석

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Husseini, Nabil; Byron, David E., Ammunition articles with plastic components and method of making ammunition articles with plastic components.
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Husseini, Nabil; Byron, David E., Ammunition articles with plastic components and method of making ammunition articles with plastic components.
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Burrow, Lonnie, Method of making polymer ammunition having a primer diffuser.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Composite cartridge for high velocity rifles and the like 원문보기