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특허 상세정보

Perforated propellant and method of manufacturing same

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) D03D-023/00    C06B-021/00   
미국특허분류(USC) 149/1096; 264/0033
출원번호 US-0882402 (2001-06-16)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Todd E. Garabedian
인용정보 피인용 횟수 : 3  인용 특허 : 28
초록

The present invention is directed to a propellant composition made from a lacquer, the lacquer comprising: (a) from about 15 to about 70 wt % of an organic solvent; (b) from about 0.1 to about 2.5 wt % of a stabilizer; (c) optionally, from about 0% to about 40 wt % of an energetic plasticizer; (d) optionally, from about 0 to about 10 wt % of a nonenergetic plasticizer; (e) optionally, from about 0 to about 10 wt % water; (f) optionally, from about 0 to about 15 wt % of additional additives; and balance being nitrocellulose; all weight percents based on t...

대표
청구항

1. A method for manufacturing perforated propellant grains, comprising the steps of:extruding a propellant lacquer through an extrusion die assembly to form one or more propellant lacquer strands, said extrusion die assembly having a plurality of holes, each of said holes having at least one pin tip positioned therein, said propellant lacquer comprising: (a) from about 15 to about 70 wt % of an organic solvent; (b) from about 0.1 to about 2.5 wt % of a stabilizer; (c) optionally, from about 0 % to about 40 wt % of an energetic plasticizer; (d) optionally...

이 특허에 인용된 특허 (28)

  1. Boileau Jacques (Paris FRX) Leneveu Louis (Chateaulin FRX) Tromeur Monique (Daoulas FRX). Aging-resistant single-base powder, process for manufacture, and application to gas generators. USP1989064842658.
  2. Godsey James H. (Salt Lake City UT) Jacox James L. (Salt Lake City UT) Keller Robert F. (Salt Lake City UT) Legare Richard J. (Conyers GA). Binder system for crosslinked double base propellant. USP1995115468311.
  3. Thomas Karen A. (Leon FL). Continuous production of low density base grain with a salt-free liquor. USP1987094694753.
  4. Comfort Theodore F. (Cumberland MD). Cross-linked double base propellant having improved low temperature mechanical properties. USP1987044659402.
  5. Davies David G. (Waltham Abbey GB2). Double base propellant compositions. USP1985064521261.
  6. Camp Albert T. (Welcome MD) Csanady Elmer R. (Hedgesville WV). Doublebase ballistic modifiers. USP1983124420350.
  7. Graham Donald H. (Fort Ashby WV) Preckel Ralph F. (La Vale MD). Drying process for casting powders. USP1979104172866.
  8. Willer Rodney L. (Newark DE) Park Dennis J. (Newark DE). Energetic binder and thermoplastic elastomer-based low vulnerability ammunition gun propellants with improved mechanical. USP1996075540794.
  9. Melvin William S. (Huntsville AL). Extraction and recovery of plasticizers from solid propellants and munitions. USP1990034909868.
  10. Cartwright Richard V. (Sussex NJ). Extrudable gas generating propellants, method and apparatus. USP1992065125684.
  11. Wells Franklin B. (Memphis TN). Flexible explosive composition comprising particulate RDX, HMX or PETN and a nitrostarch binder plasticized with TEGDN o. USP1977034014719.
  12. Araki Ikuo (Aichi JPX) Kanazawa Teruo (Aichi JPX) Ito Shinji (Aichi JPX) Sumikawa Kenji (Aichi JPX). Gas generating charge and a process for producing the same. USP1983104408534.
  13. Chi Minn-Shong (Cumberland MD). Manufacture of gel free nitrocellulose lacquers. USP1984104477297.
  14. Mogendorf Klaus-Dieter (Waldkraiburg DEX) Miehling Wolfgang (Mhldorf am Inn DEX). Method and apparatus to prepare a tribasic propellat charge powder. USP1993115266242.
  15. O\Meara William L. (Leon FL) Murray Terry A. (Gadsden FL). Method of producing a nitrocellulose propellant containing a cellulosic burn rate modifier infiltrated therein. USP1996045510062.
  16. Schumacher John B. (Huron SD). Modified nitrocellulose based propellant composition. USP1993065218166.
  17. Kimmel Earl J. (Tallahassee FL) Silk ; deceased Charles Earnest (LATE OF Alton IL BY Wilma F. Silk ; sole heir). Nitrocellulose lacquer with surfactant. USP1977044018637.
  18. O\Meara William L. (Tallahassee FL) Murray Terry A. (Quincy FL). Nitrocellulose propellant containing a cellulosic burn rate modifier. USP1996065524544.
  19. Canterberry J. B. (Crawfordville FL). Polycaprolactone-deterred nitrocellulose propellant compositions and method. USP1990084950342.
  20. Armantrout Robert J. (Salt Lake City UT). Pre-solution preparation of double base propellant binder. USP1981014243442.
  21. Dunigan Thomas E. (Oak Ridge NJ) Sisco George C. (Budd Lake NJ). Process for preparing double base propellants containing ballistic modifier. USP1976113989776.
  22. Lagreze Richard (La Couronne FRX) Malescot Georges (Angouleme FRX). Process for the manufacture of a double-base propellent composition with low flame-glare emission. USP1987104701228.
  23. Brachert Heinrich (Troisdorf-Oberlar DT) Kleiss Joachim (Liebenau DT). Process for the production of propellant charge powders, especially nitroguanidine powders. USP1977094051207.
  24. Zeigler Edward H. (Great Meadows NJ). Propellant composition for automotive safety applications. USP1996045507891.
  25. Langsjoen Peter L. ; Speck James A.. Propellant grain geometry for controlling ullage and increasing flame permeability. USP1998105821449.
  26. Dunigan Thomas E. (Oak Ridge NJ) Sisco George C. (Budd Lake NJ). Reaction product of normal lead beta resorcylate and monobasic cupric salicylate. USP1977014001287.
  27. Bourgeois Tom J. (Tallahassee FL). Saboted, light armour penetrator round with improved powder mix. USP1989064841863.
  28. Elrick Donald E. (Rawlings MD). Slurry casting method for double base propellants. USP1984074462848.