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    • 5. 发明授权
    • Method for producing ultra-high strength, weldable steels with superior toughness
    • 具有优异韧性的超高强度,可焊接钢的生产方法
    • US06248191B1
    • 2001-06-19
    • US09123858
    • 1998-07-28
    • Michael J. LutonJayoung KooNarasimha-Rao V. BangaruClifford W. PetersenHiroshi TamehiroHitoshi AsahiTakuya HaraMasaaki Sugiyama
    • Michael J. LutonJayoung KooNarasimha-Rao V. BangaruClifford W. PetersenHiroshi TamehiroHitoshi AsahiTakuya HaraMasaaki Sugiyama
    • C21D800
    • C21D6/005C21D1/19C21D8/0226C21D2211/002C21D2211/008
    • A method is provided for producing an ultra-high strength steel having a tensile strength of at least about 900 MPa (130 ksi), a toughness as measured by Charpy V-notch impact test at −40° C. (−40° F.) of at least about 120 joules (90 ft-lbs), and a microstructure comprising predominantly fine-grained lower bainite, fine-grained lath martensite, or mixtures thereof, transformed from substantially unrecrystallized austenite grains and comprising iron and specified weight percentages of the additives: carbon, silicon, manganese, copper, nickel, niobium, vanadium, molybdenum, chromium, titanium, aluminum, calcium, Rare Earth Metals, and magnesium. A steel slab is heated to a suitable temperature; the slab is reduced to form plate in one or more hot rolling passes in a first temperature range in which austenite recrystallizes; said plate is further reduced in one or more hot rolling passes in a second temperature range below said first temperature range and above the temperature at which austenite begins to transform to ferrite during cooling; said plate is quenched to a suitable Quench Stop Temperature; and said quenching is stopped and said plate is allowed to air cool to ambient temperature.
    • 提供一种制造抗拉强度为至少约900MPa(130ksi)的超高强度钢,-40℃下通过夏比V-缺口冲击试验测得的韧性的方法(-40°F) )至少约120焦耳(90ft-lbs),以及由基本上未再结晶的奥氏体晶粒转化并且包含铁和特定重量百分比的主要由细晶粒的下贝氏体,细粒状板条马氏体或其混合物组成的微结构, 添加剂:碳,硅,锰,铜,镍,铌,钒,钼,铬,钛,​​铝,钙,稀土金属和镁。 将钢坯加热到合适的温度; 在奥氏体再结晶的第一温度范围内,在一个或多个热轧道中,将板坯还原成板; 所述板在一个或多个热轧道中在低于所述第一温度范围和高于在冷却期间奥氏体开始转变为铁素体的温度的温度范围内进一步减小; 所述板淬火至合适的淬火停止温度; 并且停止淬火,并使所述板空气冷却至环境温度。
    • 6. 发明授权
    • Sealing material receiving structure in a junction block
    • 连接块中的密封材料接收结构
    • US4781621A
    • 1988-11-01
    • US28659
    • 1987-03-20
    • Masaaki SugiyamaHideharu Hayashi
    • Masaaki SugiyamaHideharu Hayashi
    • H02G3/16H05K7/02H05K5/06
    • H05K7/026
    • A sealing material receiving structure in a junction block for use on a vehicle or the like is provided. The junction block comprises a top cover provided with a connector or connectors, or a wiring board; a bottom cover provided with a connector or connectors, or a wiring board; an insulating plate or plates provided with bus bars having tab terminals, and placed between the top and bottom covers; and an elastic plate-shaped packing placed between the lowermost insulating plate and the bottom cover. Rectangular enclosures are formed integrally with the packing so as to surround holes for receiving the tab terminals formed in the packing. Holes for receiving the enclosures therein, respectively, are formed in the bottom cover. The dimensions of the enclosures, the tab terminals, the holes formed in the packing, and the holes formed in the bottom cover are determined selectively so that the tab terminals fit the holes formed in the packing and the enclosures tight, and the enclosures fit the holes formed in the bottom cover tight.
    • 提供了在车辆等上使用的接线块中的密封材料接收结构。 接线块包括设置有连接器或连接器的顶盖或布线板; 设置有连接器或连接器的底盖或布线板; 设置有具有接头端子的母线的绝缘板或板,并且放置在顶盖和底盖之间; 以及放置在最下层绝缘板和底盖之间的弹性板状填料。 矩形外壳与密封件一体地形成,以围绕用于接收形成在包装件中的接头端子的孔。 分别在底盖中形成用于容纳其中的外壳的孔。 选择性地确定外壳,接头端子,形成在密封件中的孔和形成在底盖中的孔的尺寸,使得突出端子适配形成在密封件中的孔,并且外壳适合 底盖形成在底盖上。