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    • 2. 发明授权
    • Torque wrench
    • 扭力扳手
    • US5303601A
    • 1994-04-19
    • US806903
    • 1991-12-12
    • Heinz SchonbergerFrank HummePeter Wirtz
    • Heinz SchonbergerFrank HummePeter Wirtz
    • B25B23/142B25B23/144G01L5/00
    • B25B23/1425
    • The present invention relates to a torque wrench (1, 2) having an electronic measuring device which detects a prevailing torque by means of strain gauges, having a memory for the storing of measured values and an indicating device which indicates the minimum and maximum values reached by means of light-emitting diodes (5, 6, 7) of different color. In order to be able to use the torque wrench advantageously, in particular in routine work where the precise maintaining of a torque is of importance, the invention proposes that a measured value be stored by actuating an actuating button (8) which also serves to activate the torque wrench (1, 2).
    • 本发明涉及一种具有电子测量装置的扭矩扳手(1,2),该电子测量装置通过应变计检测主要扭矩,具有用于存储测量值的存储器和指示达到的最小值和最大值的指示装置 通过不同颜色的发光二极管(5,6,7)。 为了能够有利地使用扭矩扳手,特别是在转矩的精确维持是重要的日常工作中,本发明提出通过致动执行按钮(8)来存储测量值,该致动按钮(8)也用于激活 扭矩扳手(1,2)。
    • 9. 发明授权
    • Foam extinguishing agent
    • 泡沫灭火剂
    • US4203850A
    • 1980-05-20
    • US925368
    • 1978-07-17
    • Peter WirtzRichard Broall
    • Peter WirtzRichard Broall
    • A62D1/00A62D1/02
    • A62D1/0085
    • Aqueous solutions containing an aliphatic amine-N-oxide and a member of a special group of fluorinated surfactants (I) can be used with success as foaming agents for extinguishing liquid hydrocabon fires. (I) has the formula ##STR1## in which R.sub.F is a perfluoroalkyl group having from 3 to 16 carbon atoms,R.sub.4 is a hydrogen atom, a C.sub.1-4 alkyl, cyclohexyl or 2-hydroxyalkyl having from 2 to 6 carbon atoms,R.sub.5 is a C.sub.1-4 alkyl radical, a cyclohexyl radical or 2-hydroxyalkyl having from 2 to 6 carbon atoms andR.sub.6 is a water-solubilizing radical.
    • 含有脂族胺-N-氧化物和特殊氟代表面活性剂(I)的成员的水溶液可以成功地用作用于熄灭液体氢化钙火的发泡剂。 (I)具有其中RF是具有3至16个碳原子的全氟烷基,R4是氢原子,C1-4烷基,具有2至6个碳原子的环己基或2-羟基烷基的式“IMAGE”,R5 是C 1-4烷基,具有2至6个碳原子的环己基或2-羟基烷基,R 6是水溶性基团。
    • 10. 发明授权
    • Production of aluminum polyphosphate
    • 生产聚磷酸铝
    • US4147758A
    • 1979-04-03
    • US794959
    • 1977-05-09
    • Renate AdrianRaban VON SchenckBernd CoxPeter Wirtz
    • Renate AdrianRaban VON SchenckBernd CoxPeter Wirtz
    • C01B25/40C04B12/02C01B15/16C01B25/26
    • C04B12/022C01B25/40
    • Aluminum polyphosphate is made. To this end, solid aluminum hydroxide and polyphosphoric acid which are used in proportions corresponding to an Al:P molar ratio of 1:2.5 to 1:3.5, are introduced separately from, but concurrently with, one another into a reaction zone kept at 150.degree. to 200.degree. C. A moist friable consistency of the starting materials is maintained in the reaction zone by continuously mixing, kneading and comminuting them over substantially the entire period during which they are introduced into the reaction zone. The reaction is continued until a dry sandy powder is formed; and the powder is annealed at 400.degree. to 600.degree. C. over a period sufficient to yield a product undergoing a 0.5 to 1% weight loss on ignition.
    • 制成聚磷酸铝。 为此,以与Al:P摩尔比为1:2.5〜1:3.5的比例使用的固体氢氧化铝和多磷酸分别从彼此分开引入到保持在150℃的反应区中 通过在它们被引入反应区域的基本上整个时间段内连续地混合,捏合和粉碎它们,在反应区域中维持起始材料的潮湿脆性稠度。 继续反应直至形成干燥的沙质粉末; 并将粉末在400℃至600℃下退火一段足以产生在点火时经历0.5至1重量%失重的产物。