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    • 61. 发明授权
    • Bottom plate member
    • 底板构件
    • US5900575A
    • 1999-05-04
    • US930591
    • 1998-01-26
    • Ingemar JohanssonTomas LagerLief LinderholtChrister Sundell
    • Ingemar JohanssonTomas LagerLief LinderholtChrister Sundell
    • F17C13/06F41A1/08
    • F41A1/08F17C13/06
    • The invention relates to a bottom plate member (6) which is designed and made for initially tightening a chamber in which a high gas pressure is generated, for example the propellant charge chamber (4) in an ammuniton round for a recoilless weapon system or in pipes or containers within the process industry. The plate member (6) is breakable and opens for the gases to exit when the gas pressure within the chamber exceeds a certain level. The plate member has a through hole (12) in the center which gives an effective starting point for the cracking process as well as fractural impressions (10) to control the cracking process so that the plate is divided into a number of well defined parts of flaps (11) which are connected to each other. The plate member (6) further comprises a number of straight edges (16), which number corresponds to the number of flaps (11), against which edges the base of the flaps are arranged to be folded when the plate member opens due to the gas pressure.
    • PCT No.PCT / SE96 / 00469 Sec。 371日期1998年1月26日 102(e)日期1998年1月26日PCT提交1996年4月10日PCT公布。 公开号WO96 / 32610PC。 日期1996年10月17日本发明涉及一种底板构件(6),其被设计和制造用于最初紧固产生高气体压力的腔室,例如在弹药圆周中的推进剂充气室(4) 无后坐力武器系统或过程工业中的管道或容器。 当室内的气体压力超过一定水平时,板构件(6)是可断裂的并且打开以使气体离开。 板构件在中心具有通孔(12),其为裂化过程以及断裂印模(10)提供有效起点以控制裂纹过程,使得板被分成若干明确定义的部分 襟翼(11)彼此连接。 板构件(6)还包括多个直边缘(16),其数量对应于翼片(11)的数量,当板构件打开时,翼片的基部布置成折叠的边缘,由于 气压。
    • 62. 发明授权
    • Method for producing of concrete with controllable density
    • 具有可控密度的混凝土的生产方法
    • US5160540A
    • 1992-11-03
    • US725414
    • 1991-07-01
    • Ingemar JohanssonKjell Svedman
    • Ingemar JohanssonKjell Svedman
    • C04B20060101C04B38/10
    • C04B38/10
    • A method for producing a concrete with a controllable density, which at the density of 1200 kg/m.sup.3 has a compression strength of at least 3.5 MPa and after that linearly increases to at least 19 MPa at 2,000 kg/m.sup.3, characterized in mixing a base concrete mixture mainly consisting of cement and water with a porousity mixture mainly consisting of cement, water and a foaming agent so that the foaming agent constitutes at least approximately 5% by volume of the porousity mixture, and that the resultant mixture of the base concrete mixture and the porousity mixture is moulded in a conventional manner.
    • PCT No.PCT / SE88 / 00369 Sec。 371 1990年1月8日第 102(e)日期1990年1月8日PCT PCT 1988年7月5日PCT公布。 出版物WO89 / 00153 日本1989年1月12日。一种密度可控的混凝土的制造方法,其密度为1200kg / m 3,压缩强度为3.5MPa以上,然后以2000kg / m 2线性增加至19MPa, m3,其特征在于将主要由水泥和水组成的基础混凝土混合物与主要由水泥,水和发泡剂组成的多孔性混合物混合,使得发泡剂构成至少约5体积%的多孔性混合物,并且 以常规方式模制基础混凝土混合物和多孔性混合物的混合物。