[특허]Multi-fragment impact test specimen

Multi-fragment impact test specimen 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01L-025/00 G01L-005/00 G01L-005/24 G01M-019/00
출원번호	US-0145603 (2002-05-14)
발명자 / 주소	Vavrick, Daniel J.
출원인 / 주소	The United States of America as represented by the Secretary of the Navy
인용정보	피인용 횟수 : 0 인용 특허 : 38

초록 ▼

A multiple fragment impact test specimen, and a method for using it in multiple fragment impact tests against a target, is disclosed. The test specimen comprises two or more fragments fixed to one or more connecting members so that the fragments are held at a fixed distance apart during their flight to a target. The orientation and speed of the fragments at the moment of impacting the target are measured and the measurements are used to calculate the exact spacing and time delay between the individual fragment impacts. An experimenter can control the range of fragment spacings and time delays for a series of tests by choosing the lengths of the connecting members and thereby fixing the relative distances between the fragments.

대표청구항 ▼

1. A test specimen suitable for multiple-fragment impact tests against a target, comprising:at least two three-dimensional fragments suitable for launching at and impacting a target; a rigid connecting member having a plurality of ends, with one of said fragments coupled to each of said ends so that said connecting member thereby maintains said fragments at a fixed distance apart when they are launched at the target; and a separable sabot configured to support said fragments and said connecting member during launch from a launching device so that said fragments and said connecting member do not sustain plastic deformation induced by launching g-forces. 2. The test specimen of claim 1, wherein said fragments are coupled to said ends by an opening formed in each of said fragments suitable for fixedly receiving said ends.3. The test specimen of claim 2, wherein said ends are fixed in said openings by adhesive.4. The test specimen of claim 2, wherein said ends and said openings are threaded so that said ends are fixed into said openings by threading said ends into said openings.5. The test specimen of claim 1, wherein said fragments are coupled to said ends by welding said fragments to said ends.6. The test specimen of claim 1, wherein said connecting member comprises at least one cylindrical arm suitable for resisting deformation when said connecting member and said fragments are subjected to high g-force loadings as they are accelerated toward said target.7. The test specimen of claim 1, wherein said fragments are substantially spherical.8. The test specimen of claim 1, wherein said fragments are constructed of steel.9. A test specimen suitable for multiple-fragment impact tests against a target, comprising:a rigid connecting member having a first end, a second end, and a third end; a spherical first fragment fixedly disposed on said first end of said connecting member; a spherical second fragment fixedly disposed on said second end of said connecting member; a spherical third fragment fixedly disposed on said third end of said connecting member so that said third fragment is maintained at a fixed distance from said first fragment and said second fragment when they are launched at a target; and a separable sabot configured to support said fragments and said connecting member during launch from a launching device. 10. The test specimen of claim 1 wherein said sabot is cylindrical.11. The test specimen of claim 10 wherein said fragments and said connecting member are oriented perpendicular to a longitudinal axis of said sabot.12. The test specimen of claim 10 wherein said fragments and said connecting member are oriented parallel to a longitudinal axis of said sabot.13. The test specimen of claim 9 wherein said third fragment is not collinear with said first fragment and said second fragment.14. The test specimen of claim 9 wherein:said connecting member further comprises a fourth end; and said test specimen further comprises a fourth fragment fixedly disposed on said fourth end of said connecting member so that said fourth fragment is maintained at a fixed distance from said first fragment, said second fragment, and said third fragment when they are launched at a target.

이 특허에 인용된 특허 (38)

Korr Abraham L. (8712 Hickory Drive Philadelphia PA 19136) Walker Evan Harris (834 Paradise Road Aberdeen MD 21001) Dickey Charles M. (3549 Brae Bourn Drive Huntingdon Valley PA 19006), Ammunition.
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Rieger Ulrich (Feldkirchen/Westerham DEX) Kalus Dieter (Munich DEX), Ammunition shell forming a stack of multiple projectiles.
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Mikhail Ameer G., Anti-armor projectile with autonomous, attachable, precursor warhead.
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Bethmann ; Karl-Wilhelm, Armor-piercing tandem shell or projectile.
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Hoffman Dietrich (Schramberg DEX), Article of ammunition.
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Boeder Dieter (Duesseldorf DEX) Jaeneke Christian (Duesseldorf DEX) Romer Rudolf (Kaarst DEX) Sikorski Guenter (Duesseldorf DEX), Automatically disintegrating missile.
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Burczynski Thomas J. (P.O. Box 248 Odessa NY 14869), Bullet having sections separable upon impact.
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Jenison Robert E. (Rte. 1 ; Box 2149 Lopez WA 98261), Collapsible dumbbells.
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Dandliker Richard B. ; Conner Robert D. ; Tenhover Michael A. ; Johnson William L., Composite penetrator.
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Pickard Richard, Dividing bullet having longitudinally joined jacketed projectile segments that separate upon target impact.
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Angell Howard N. (N. 6809 Lincoln St. Spokane WA 99208), Exploding bullet.
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Becker Wilfried (Duesseldorf DEX) Bisping Bernhard (Ratingen DEX), Explosive and incendiary projectile.
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Brady D. Ward (New Brighton MN) Chapman James F. (Waverly MN), Frangible ballast.
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Hanks Richard C. (2495 G.A.R. Hwy. Swansea MA 02777), Game apparatus.
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Briese Torrey L. (R.R. 1 ; Box 108 Tappen ND 58487), Highly separable bullet.
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Dippold Jack D. (Edwardsville IL) Mayfield Scott H. (St. Louis MO), Hollow point sabot bullet.
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Klein Klaus-Walter (Neuss DEX) Bcker Jrgen (Oberhausen DEX) Glotz Gerhard (Dsseldorf DEX) Gersbach Klaus (Willich DEX), Impact projectile assembly.
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Meir Avraham A. (Willow Grove PA), Impact test apparatus.
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Yoshida Hiroo,JPX ; Uematsu Kazuo,JPX ; Ochi Masao,JPX, Impact testing and processing apparatus electrothermally accelerating and projecting flier against specimen.
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Wexler Howard (300 E. 40th St. New York NY 10016), Interactive baton and dumbbell type amusement device.
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Mikhail Ameer G. (Bel Air MD), Kinetic energy projectile with impact-ejected fins.
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Katzmann Harald (Neuenhof CHX) Ammann David (Gossau CHX) Freymond Pierre H. (Effretikon CHX) Sigg Hanspeter (Jestetten DEX), Kinetic energy sabot projectile.
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Ratner Harvey (2905 Red Lion Lane Silver Spring MD 20914), Method and apparatus for juggling.
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Toth Peter (Kloten CHX), Method for increasing the probability of success of air defense by means of a remotely fragmentable projectile.
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Pentel Jerry (Montville NJ) Fairbanks Gary G. (Newtown NJ), Multiple stage munition.
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Ash Paul M. (33 E. Tilden Dr. Brownsburg IN 46112), Object dislodging method and apparatus.
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Bonde, Robert L.; Isleifson, Robert E.; Gorman, William L., Penetrator ammunition with propulsion gas seal.
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Taylor Robert Joseph, Penetrator having multiple impact segments.
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Romer Rudolf (Kaarst DEX) Jaeneke Christian (Duesseldorf DEX) Sikorski Gnter (Duesseldorf DEX), Practice projectile.
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Augenstein ; Bruno W. ; Dougherty ; Charles B., Projectile.
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Fry Grant R., Projectile with non-discarding sabot.
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Kamdar Dipak S., Sabot anti-splitting ring.
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Sowash Robert P. (Santa Cruz CA), Sabot bullet.
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Murawski Paul M. (Blue Island IL), Sabot for simulation testing.
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Hberli Peter (Wallisellen CHX), Sabot projectile.
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LeBlanc Russell P. (Nova Scotia CAX), Small arms ammunition bullet.
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Stilson Robert L. (9978 Wagner La. Westminster CO 80030), Structural balance device for relieving stress.
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Chang Ching-Yi (64 ; Lane 110 ; Sec. 1 ; Chang Mei Ro Changhua TWX), Weight adjustable dumbbell.
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