IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0779615
(1997-01-07)
|
발명자
/ 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
26 인용 특허 :
2 |
초록
▼
The present invention relates generally to small arms bullets and relates in particular to frangible bullets and ordinance which fragments following penetration of a variety of obstacles prior to encountering the intended target zone. The disclosure relates specifically to small arms bullets which h
The present invention relates generally to small arms bullets and relates in particular to frangible bullets and ordinance which fragments following penetration of a variety of obstacles prior to encountering the intended target zone. The disclosure relates specifically to small arms bullets which have a high likelihood of fragmentation after target zone penetration causing a significant crush cavity following passage through obstacles including clothing, glass, building materials and other structures. The disclosed bullet design is produced in a simple and inexpensive process, provides high accuracy and fragmentation and penetration in a 5 to 15 inch target zone, at either sonic or subsonic velocities, following penetration of shielding obstacles. The bullet disclosed is of a weight and design which will permit operation at sonic or subsonic velocities, without jamming, in civilian and military small arms including automatic weapons. The disclosure also applies to military ordinance and armor piercing munitions where fragmentation following obstacle penetration is intended.
대표청구항
▼
[ I claim:] [1.] A process of making an obstacle piercing frangible bullet comprising the steps of:A. mixing elements selected from the group consisting of mercury, silver, tin, copper, zinc, bismuth, and cadmium, thereby forming an alloy in a plastic state from the group consisting of:1. an alloy c
[ I claim:] [1.] A process of making an obstacle piercing frangible bullet comprising the steps of:A. mixing elements selected from the group consisting of mercury, silver, tin, copper, zinc, bismuth, and cadmium, thereby forming an alloy in a plastic state from the group consisting of:1. an alloy composed, by percentages by weight, of the mixture of mercury 40%-60%, silver 25%-40%, tin 15%-25%, copper 0%-5%, and zinc 0%-2%,2. an alloy composed, by percentages by weight, of the mixture of mercury 55%-70%, cadmium 15%-45%, tin 0%-25%, copper 0%-2%, and zinc 0%-5%,3. an alloy composed, by percentages by weight, of the mixture of mercury 55%-65%, cadmium 10%-30%, bismuth 10%-30%, copper 5%-15%, and zinc 0%-1%,4. an alloy composed, by percentages by weight, of the mixture of mercury 55%-65%, cadmium 15%-30%, bismuth 15%-30%, copper 5%-15%, and zinc 0%-1%, and5. an alloy composed, by percentages by weight, of the mixture of mercury 60%-70%, cadmium 25%-30%, copper 5%-i 0%, and zinc 0%-1 %1%;B. injecting the alloy in its plastic state into a mold thereby forming a bullet core comprising a base and a nose, said nose having an apex located most distal to the bullet base; thenC. inserting a die into the nose of the bullet core, while the alloy remains in its plastic state, thereby forming a hollow point cavity in the bullet core commencing at the apex of the nose and extending along a longitudinal axis of the bullet core toward the base.
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