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특허 상세정보

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Lightweight, low water content expanded shale, clay and slate cementitious compositions and methods of their production

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C04B-016/08   
미국특허분류(USC) 106/677 ; 106/676 ; 106/679 ; 106/681 ; 106/706 ; 106/708 ; 106/709 ; 106/710 ; 106/711 ; 106/716 ; 106/717 ; 106/718 ; 106/719 ; 106/724 ; 106/792 ; 106/795 ; 106/803 ; 106/815 ; 106/823 ; 106/DIG.1
출원번호 US-0701117 (1996-08-21)
발명자 / 주소
인용정보 피인용 횟수 : 63  인용 특허 : 17
초록

An improved lightweight cementitious product made up of an aqueous cementious mixture using cement and expanded shale, clay and slate mix, that can incorporate fly ash, lime, and the weight saving component, which is micronized polystyrene particles having particle sizes in the range of 50 to 2000 microns, and characterized by having water contents in the range of from about 0.5% to 50% v/v. The ultra low water compositions can be extruded and can be molded under high pressure.

대표
청구항

[ What is claimed is:] [1.] A load bearing cementitious product comprising:(a) from 40 to 99% by volume of an aqueous cementitious mixture comprising cement, expanded shale, clay and slate; and(b) from 1 to 60% by volume of micronized polystyrene foam particles;said cementitious product having an overall water content of from 0.005% to 20% by volume.

이 특허에 인용된 특허 (17)

  1. Matsushita Souji (Chigasaki JPX) Shimizu Setsuro (Chigasaki JPX) Takeuchi Toru (Tsukuba JPX) Tahara Susumi (Tsukuba JPX). Air-entraining agent for flyash cement composition. USP1989054828619.
  2. Dietrich Wolf (Ladenburg DEX) Beez Volker (Mannheim DEX) Giebeler Eberhard (Schriesheim DEX). Boric acid compositions. USP1989014801404.
  3. Gartshore Gavin C. (Sevenoaks GBX) Holme Norman E. (Wilmslow Cheshire GBX). Cementitious composition and making concrete therefrom. USP1992055114487.
  4. Hilton Dennis M. (Londonderry NH) Korenberg Paul E. (Carlisle MA). Cementitious compositions containing shredded polystyrene aggregate. USP1994105352390.
  5. Barbour Ronald L. (3339-K Cir. Brook Dr. ; SW. Roanoke VA 24014). Class F. fly ash containing settable composition for general purpose concrete having high early strength and method of m. USP1993115266111.
  6. Copeland William Leo (Shreveport LA). Construction composition. USP1977094047962.
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  8. Natsuume Tadao (Tokyo JPX) Kadono Hiromitsu (Yokohama JPX) Miki Yoshiaki (Kawasaki JPX). Hydraulic cement composition. USP1990034906298.
  9. Shulman David M. (7445 S. Milwaukee Way Littleton CO 80122). Lightweight cementitious compositions and methods of their production and use. USP1996125580378.
  10. Carpenter Orval R. (Rt. 2 ; Box 58-10 Afton OK 74331). Lightweight cementitious product and method for making same. USP1981124306395.
  11. Cowan Jack C. (Lafayette LA) House Roy F. (Houston TX) Harrington Andree\H. (Lafayette LA). Lightweight particulate cementitious materials and process for producing same. USP1993055207830.
  12. Mallow William A. (Helotes TX). Low-cost, high early strength, acid-resistant pozzolanic cement. USP1994105352288.
  13. Kobayashi ; Kazuaki ; Takaha ; Noboru ; Katsuragi ; Masao. Porous inorganic product. USP1978084104077.
  14. Dodson Vance H. (Walpole MA) Roberts Lawrence R. (Acton MA). Portland cement-fly ash-aggregate concretes. USP1980074210457.
  15. Noakes John E. (4295 Barnett Shoals Rd. Athens GA 30605). Solidification of organic waste materials in cement. USP1993125269975.
  16. Filteau Jacques (Cobourg CAX). Structural building elements. USP1990034905439.
  17. Barbour Ronald L. (3339-2K ; Circle Brook Dr. ; SW. Roanoke VA 24014). Synthetic class C fly ash and use thereof as partial cement replacement in general purpose concrete. USP1991024992102.

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