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특허 상세정보

Lead-free bullett

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F42B-001/00    F42B-008/14   
미국특허분류(USC) 75/228 ; 102/445 ; 102/459 ; 102/506
출원번호 US-0125946 (1993-09-23)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 97  인용 특허 : 0
초록

A composite lead-free bullet is disclosed comprising a heavy constituents selected from the group of tungsten, tungsten carbide, carballoy, and ferro-tungsten and a second binder constituent consisting of either a metal alloy or a plastic blend.

대표
청구항

A lead free bullet, comprising: a compacted composite containing a high-density first constituent selected from the group consisting of tungsten, tungsten carbide, ferro-tungsten and mixtures thereof; and a lower density second constituent selected from the group consisting of tin, zinc, aluminum, iron, copper, bismuth and mixtures thereof, wherein the density of said lead free bullet is in excess of 9 grams per cubic centimeter and said lead free bullet deforms or disintegrates at a yield stress of less than about 45,000 psi.

이 특허를 인용한 특허 피인용횟수: 97

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