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특허 상세정보

Lead-free frangible bullets and process for making same

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F42B-008/14    F42B-012/74   
미국특허분류(USC) 102/506; 102/517
출원번호 US-0569060 (2000-05-10)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Needle & Rosenberg, P.C.
인용정보 피인용 횟수 : 29  인용 특허 : 26
초록

Improved frangible bullets comprising powder particles of one metal bonded together by another metal wherein the metals have substantially different melting points or an alloying metal is diffused between the metal particles are manufactured by compacting the metal particles and heating under conditions to create brittle bonds.

대표
청구항

1. A frangible bullet or projectile manufactured by admixing a lead-free matrix metal powder having a higher melting point with a lead-free metal powder having a melting point substantially lower than the higher melting point of the matrix metal powder, forming a pressed compact of said admixture of powders, and heating said pressed compact under conditions and temperatures effective such that the powder having a lower melting point reaches a molten state and wets said matrix metal powder having a higher melting point and bonds the powders, wherein the b...

이 특허에 인용된 특허 (26)

  1. Canon Jack Y. (2194 Delmas Opelousas LA 70570). Bullet. USP1976083972286.
  2. Amick Darryl D. (Albany OR) Haygarth John C. (Corvaillis OR) Fenwick Lloyd (Albany OR) Seal Larry K. (Scio OR). Composite shot. USP1996065527376.
  3. Lang David,AUX ; Mibus Phillip John,AUX. Frangible ammunition. USP1998065767438.
  4. Anderson Richard V. (Arlington TX). Frangible armor piercing incendiary projectile. USP1995085442989.
  5. Benini Joseph C.. Frangible metal bullets, ammunition and method of making such articles. USP2000076090178.
  6. Blanger Germain (St. Germain-de-Grantham CAX) Potvin Marc (Val Blair CAX). Frangible practice ammunition. USP1993085237930.
  7. Ashok Sankaranarayanan (Bethany CT) Fister Julius C. (Hamden CT). Frangible projectile. USP1992015078054.
  8. Dufort Robert H. (Kenmore NY). Frangible projectile for gunnery practice. USP1979084165692.
  9. Hayward Andrew C. (Stonnall GB2) Slater Melvyn E. (Cannock GB2). High density materials and products. USP1990084949645.
  10. Oltrogge Victor C. (11178 W. 59th Pl. Arvada CO 80004). High density projectile and method of making same from a mixture of low density and high density metal powders. USP1994015279787.
  11. Petrovich Robert M. (10748 Bob White ; P.O. Box 111 Hamburg MI 48139) Petrovich Paul A. (11269 Judd Rd. Fowlerville MI 48836). High velocity projectile. USP1994095349907.
  12. Cesaroni Anthony J.,CAX. Lead-free bullet. USP2001076257149.
  13. Mravic Brian (North Haven CT) Mahulikar Deepak (Madison CT) Violette Gerald N. (New Haven CT) Shapiro Eugene (Hamden CT) Halverson Henry J. (Collinsville IL). Lead-free bullett. USP1995035399187.
  14. West Harley L. (P.O. Box 850678 Yukon OK 73085) Mullins John F. (P.O. Box 625 Burns Flat OK 73624). Lead-free frangible ammunition. USP1997045616642.
  15. Abrams John T. ; Nadkarni Anil V. ; Kelly Roy. Lead-free frangible bullets and process for making same. USP2000066074454.
  16. Mravic Brian ; Mahulikar Deepak ; Violette Gerald Noel ; Shapiro Eugene ; Halverson Henry J.. Lead-free shot. USP1998095814759.
  17. Hallis John M. ; Proulx Richard W.. Method of forming a non-toxic frangible bullet core. USP1999045894645.
  18. Van Meter Keith E. (West Palm Beach FL). Munitions lubricant and protector. USP1991115062974.
  19. Lowden Richard A. ; McCoig Thomas M. ; Dooley Joseph B.. Non-lead, environmentally safe projectiles and method of making same. USP1998065760331.
  20. Maucourt Jacques,FRX ; Combette Claude,FRX. Non-toxic composite projectiles having a biodegradable polymeric matrix for hunting or shooting cartridges. USP2000086101949.
  21. Hallis John M. (Buffalo MN) Proulx Richard W. (Forest Lake MN). Non-toxic frangible bullet. USP1997105679920.
  22. Hallis John M. ; Proulx Richard W.. Non-toxic frangible bullet. USP1998125852858.
  23. Hallis John M. ; Proulx Richard W.. Non-toxic frangible bullet core. USP1998125852255.
  24. Hooper Robert C. (16209 Congo La. Houston TX 77040) Brotzen Franz R. (2701 H Bellefontaine Houston TX 77025). Non-toxic shot pellets for shotguns and method. USP1989114881465.
  25. Nicolas Jean-Claude (Lyon FRX) Saulnier Raymond (Bonneville FRX). Process for direct shaping and optimization of the mechanical characteristics of penetrating projectiles of high-density. USP1991125069869.
  26. Pichard Joseph Francis Louis John (14 ; Allard St. Hull ; Quebec CA J8X 1H2). Projectiles for air arms. USP1977024005660.

이 특허를 인용한 특허 피인용횟수: 29

  1. Ramanath, Srinivasan; Walia, Parul. Abrasive processing of hard and /or brittle materials. USP2014118894731.
  2. Walia, Parul; Ramanath, Srinivasan; Hall, Richard W.. Abrasive slicing tool for electronics industry. USP2014118882868.
  3. Hansen,Richard D.. Bullet composition. USP2008077392746.
  4. Weeks, Robert; Nosler, Robert; Lake, Mike. Bullets, including lead-free bullets, and associated methods. USP2013038393273.
  5. Yaich,Daniel S.. Cannelured frangible cartridge and method of canneluring a frangible projectible. USP2006127143679.
  6. Yaich,Daniel S.. Cannelured frangible projectile and method of canneluring a frangible projectile. USP2008017322297.
  7. Elliott,Kenneth H.. Composite material containing tungsten and bronze. USP2007067232473.
  8. Elliott, Kenneth H.. Composite material containing tungsten, tin and organic additive. USP2004116815066.
  9. Pickard, Richard K.. Fragmenting bullet. USP2004086776101.
  10. Calero Martinez, Jose Antonio; Ribas, Joan Morato; Grillot, Luis Allut. Frangible bullet and its manufacturing method. USP2013028365672.
  11. Morse, Joseph Franklin; Nauman, Ralph; Nichols, Robert Charles. Frangible firearm projectiles, methods for forming the same, and firearm cartridges containing the same. USP20190410260850.
  12. Smith, Greg A.; Levin, Victor D.. Frangible projectile. USP2017079702679.
  13. Romero, Michael A.. Frangible slug. USP2010027654202.
  14. Beal, Harold F.. In-situ formation of cap for ammunition projectile. USP2005016840149.
  15. Joys, Jessu; Anshutz, Barry; Ramsey, K. Clive. Lead free frangible bullets. USP2012118312815.
  16. Joys, Jessu; Anshutz, Barry; Ramsey, K. Clive. Lead free frangible bullets. USP2012078225718.
  17. King, Gary D.. Lead-free bullet for use in a wide range of impact velocities. USP2012058186277.
  18. Peterson, Bryan P.; Edel, Joshua L.; Head, Lawrence P.. Limited range rifle projectile. USP2015109157713.
  19. Ferruelo Nicolas, Eva Maria; Hierro Bengoa, Maria Del Pilar; Perez Trujillo, Francisco Javier; Ruiz Bowen, Manuel; Trilleros Villaverde, Juan Antonio; Lasanta Carrasco, Isabel. Materials for the production of ecological ammunition and other applications. USP2010117837809.
  20. Yahagi,Masataka; Imori,Toru; Nakamura,Atsushi; Narusawa,Yasushi; Masuda,Seiji. Metal powder for powder metallurgy and iron-based sintered compact. USP2007057217310.
  21. Williams, Keith; Maston, Michael Joseph. Method and apparatus for a projectile incorporating a metastable interstitial composite material. USP2010087770521.
  22. Williams, Keith; Maston, Michael Joseph. Method and apparatus for a projectile incorporating a metastable interstitial composite material. USP2011027886666.
  23. Williams, Keith; Maston, Michael Joseph. Method and apparatus for a projectile incorporating a metastable interstitial composite material. USP2011088001879.
  24. Williams, Keith; Maston, Michael Joseph. Method and apparatus for a projectile incorporating a metastable interstitial composite material. USP2012078230789.
  25. Romero, Michael A.. Method of manufacturing a frangible slug. USP2010027658137.
  26. Tercho, Daniel George. Non-toxic shot formulation and method of making. USP2010097803314.
  27. Beal,Harold F.. Power-based core for ammunition projective. USP2007077243588.
  28. Smith, Timothy G.. Tungsten-iron projectile. USP2010047690312.
  29. Elliott, Kenneth H.. Tungsten/powdered metal/polymer high density non-toxic composites. USP2005076916354.