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1、UnitedStatesPatent6,619,210Spivak,etal.September16,2003Explosivelyformedpenetrator(EFP)andfragmentingwarheadAbstractAwarheadcasingdefinesageometrythatisaportionofaringhavinganouterradialwallandaninnerradialwallspacedradiallyapartfromoneanother.Theouterradialwallandinnerradialwallarejoinedradiallyby
2、sidewalls,whilethecasingisenclosedateitheraxialendthereofbyendwalls.Anexplosivematerialfillsthecasing.Atleastoneinitiatorispositionedintheexplosivematerialalongaradialplanethatbisectstheportionofthering.DetonationoftheexplosivematerialcausestheinnerradialwalltoformanEFPwhiletheouterradialwallfragme
3、nts.Inventors:Spivak;TimothyL.(KingGeorge,VA);Grudza;MauriceE.(Langhorne,PA);Clark;WilliamJ.(MullicaHill,NJ)Assignee:TheUnitedStatesofAmericaasrepresentedbytheSecretaryoftheNavy(Washington,DC)Appl.No.:104332Filed:March25,2002CurrentU.S.Class:102/476;102/475;102/492;102/493;102/495Intern'lClass:F42B
4、012/10;F42B012/24;F42B012/32FieldofSearch:102/305-310,475,476,491-497,501ReferencesCited[ReferencedBy]U.S.PatentDocuments2763210Sep.,1956Churchetal.102/307.3960085Jun.,1976Abernathyetal.102/494.3980019Sep.,1976Andersonetal.102/489.4157068Jun.,1979Rognmo102/489.4222329Sep.,1980Austin102/307.4648323M
5、ar.,1987Lawther102/495.4711181Dec.,1987Ringeletal.102/476.H699Nov.,1989Thomas,Sr.102/489.4920887May.,1990Frehautetal.102/489.4974516Dec.,1990Eyaletal.102/476.5038683Aug.,1991Bakeretal.102/308.5070786Dec.,1991Hartmanetal.102/476.5313890May.,1994Cuadros102/496.5509357Apr.,1996Lawther102/476.5559304Se
6、p.,1996Schweigeretal.102/476.ForeignPatentDocuments2205074Mar.,1977DE102/476.PrimaryExaminer:Tudor;HaroldJ.Attorney,AgentorFirm:Bussan,Esq.;MatthewJ.,Bechtel,Esq.;JamesB.,VanBergen,Esq.;PeterJ.GovermentInterestsORIGINOFTHEINVENTIONTheinventiondescribedhereinwasmadeintheperformanceofofficialdutiesby
7、employeesoftheDepartmentoftheNavyandmaybemanufactured,used,licensedbyorfortheGovernmentforanygovernmentalpurposewithoutpaymentofanyroyaltiesthereon.ClaimsWhatisclaimedasnewanddesiredtobesecuredbyLettersPate
