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    • 82. 发明申请
    • WELDABLE HIGH-STRENGTH STRUCTURAL STEEL WITH 13 % CHROMIUM
    • 具有13%铬的可焊接高强度结构钢
    • WO1993011270A1
    • 1993-06-10
    • PCT/DE1992000987
    • 1992-11-23
    • MANNESMANN AGVON HAGEN, IngoPÖPPERLING, RolfSCHLERKMANN, HubertusZEISLMAIR, Ulrike
    • MANNESMANN AG
    • C22C38/26
    • C22C38/22C22C38/26
    • The invention relates to a process for the production of seamless steel pipes of flat products (strip or sheet) for pipes or containers intended for the conveyance, transport or processing of gaseous or liquid hydrocarbons containing CO2 and water and possibly small proportions of H2S, and which are resistant to stress corrosion cracking while at the same time being easily weldable and having a 0.2% yield strength of at least 450 N/mm . An Ni-containing steel is used which also has the composition below (in wt %): min. 0.015 % C, 0.15-0.50 % Si, max. 2.00 % Mn, max. 0.020 % P, max. 0.003 % S, 12.0-13.8 % Cr, 0.002-0.02 % N, 0.01-0.05 % Nb, the remainder iron and the usual impurities. According to the invention, it is proposed that the Ni content be limited to a maximum of 0.25 %, the Mn content be at least 1.0 %, the C content be limited to 0.035 % and that as additional alloying component, 0.01-1.2 % Mo be included.
    • 本发明涉及用于生产用于运输,运输或加工含有CO 2和水以及可能小比例H 2 S的气态或液态烃的管子或容器的扁平产品(带或片)的无缝钢管的方法,以及 其耐应力腐蚀开裂同时易于焊接并且具有至少450N / mm 2的0.2%屈服强度。 使用含Ni的钢,其也具有以下组成(重量%):分钟。 0.015%C,0.15-0.50%Si,最大。 2.00%Mn,最大 0.020%P,最大 0.003%S,12.0-13.8%Cr,0.002-0.02%N,0.01-0.05%Nb,余量为铁和常规杂质。 根据本发明,提出将Ni含量限制为最大0.25%,Mn含量为至少1.0%,C含量限制为0.035%,作为附加合金成分,将0.01〜1.2%的Mo 被包括在内。
    • 83. 发明申请
    • PRINTING PROCESS
    • 印刷工艺
    • WO1993004443A1
    • 1993-03-04
    • PCT/DE1992000701
    • 1992-08-18
    • MANNESMANN AGGROSS-HERING, Ludger
    • MANNESMANN AG
    • G06K15/10
    • H04N1/1915G06K15/107G06K2215/0074G06K2215/101G06K2215/111H04N1/1911H04N2201/0468
    • A printing head (1) with printing elements (11) arranged in a main direction (12) is moved to and fro linewise (5) in relation to a substrate (2), whereby, where necessary, printing points (DP) are generated according to predetermined printing data (VD) at raster positions (RP) of a print line (DZ) consisting of microlines (MZ1, ..., MZ8). The printing points (DP) are allocated to a first (DM2) and at least a further, supplementary printing pattern (DM2), whereby one of the printing patterns (DM1, DM2) is generated during each printing head movement. The printing points (DP) are allocated to the printing patterns (DM1, DM2) alternately microlinewise in such a way that adjacent printing points (DP) in a microcell (MZ1) are contained in different printing patters (DM1, DM2) between the generation of the printing patterns (DM1, DM2) o f a microline (MZ1), the substrate (2) is preferably advanced in relation to the printing head (1). Adjacent printing points (DP) in a microline (MZ1) are thereby generated during different movements of the printing head and by different printing elements (11-1, 11-5). Errors peculiar to individual printing elements and line advance faults are thus distributed very evenly over the printed image.
    • 88. 发明申请
    • PROCESS FOR PRINTING A HALF-TONE IMAGE
    • 印刷半色调图像的过程
    • WO1992003885A1
    • 1992-03-05
    • PCT/DE1991000612
    • 1991-07-26
    • MANNESMANN AGDRESS, Friedrich, WilhelmNISIUS, RaimundGRETHEN, HartmutPEKRUHN, Wolfgang
    • MANNESMANN AG
    • H04N01/40
    • H04N1/4057
    • In the printing process proposed, a multiplicity of image data (BD), each describing the half-tone gradation of a screen dot (RP) of the original image (VB), are transferred to processing zones (V15). From the image data (BD) in the processing zones (V15), colour-gradation values (FS0...FS5) are obtained which determine the shades of coloured dots (FP0...FP5) produced at selected points (DP) on a print screen. In order to produce a reproduction image (WB) with a large number of half-tone gradations (HS0...HS65), and at the same time achieve high resolution in areas of the original image (VB) showing a pronounced change in contrast, a colour-gradation value (FS1...FS5) is obtained from each item of image data (BU) by virtue of the fact that a colour-gradation value (FS1...FS5) in a reference pattern (R0...R65) associated with the half-tone graduation concerned (HS0...FS65) is allocated in accordance with the half-tone gradation (HS0...HS65) described by the item of data and its position (01...013) in the processing zone (V15).
    • 在用于打印半色调图像的方法中,多个图像数据(BD)分别描述原始图像(VB)的屏幕点(RP)的半色调阴影, )每次都包括在治疗框架(V15)中。 基于包含在处理帧(V15)中的图像数据(BD)获得确定色点(FP0 ...)的颜色等级的色度值(FS0 ... FS5) .FS5)根据打印框架的打印位置(DP)分配。 为了生成包含大量半色调(HS0 ... HS65)的再现图像(WB)以及原始图像(VB)的对比度中断附近的高局部分辨率, 根据每个图像数据(BU)获得色彩值(FS1 ... FS5),根据图像数据描述的半色调(HS0 ... HS65)来分配色彩值。 并且根据其在处理帧(V15)中的位置(01 ... 013),存在于参考模型(R0 ... R65)中存在的色彩值(FS1 ... FS5) (HS0 ... HS65)。 制作半色调图像。
    • 90. 发明申请
    • PROCESS AND DEVICE FOR HANDLING METALS IN A VACUUM
    • 用于在真空中处理金属的工艺和装置
    • WO1990010087A1
    • 1990-09-07
    • PCT/DE1990000121
    • 1990-02-20
    • MANNESMANN AGDITTRICH, Rainer
    • MANNESMANN AG
    • C21C07/10
    • C21C7/10
    • The invention concerns a process for handling metals, in particular steel, in a vacuum, in which molten metal is contained in a vessel (30) for in vacuo handling which is tightly sealed by a lid (20). To obtain a process and a device for handling metals, in particular steel, in a vacuum, which obviate the conventional drawbacks by simple means, which dispense with the need for free space in the ladle (46) and which do not prevent gas from escaping from the melt (41), the surface (42) of the molten metal is subjected to different partial vacuums during in vacuo handling.
    • 本发明涉及在真空中处理金属,特别是钢的方法,其中熔融金属包含在用于真空处理的容器(30)中,该容器由盖子(20)密封。 为了获得用于在真空中处理金属(特别是钢)的方法和装置,其通过简单的手段消除了常规缺点,这避免了在钢包(46)中需要自由空间并且不阻止气体逸出 在熔融物(41)中,熔融金属的表面(42)在真空处理期间经受不同的部分真空。