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    Preparation of workpieces for cold forming
    2.
    发明授权
    Preparation of workpieces for cold forming 失效
    冷成型工件的制备

    公开(公告)号：US06482273B1

    公开(公告)日：2002-11-19

    申请号：US09787043

    申请日：2001-04-06

    申请人： Klaus-Dieter Nittel ,  Uwe Rau

    发明人： Klaus-Dieter Nittel ,  Uwe Rau

    IPC分类号： C23C2200

    CPC分类号： C23C22/78

    摘要： The invention relates to a method for preparing workpieces suitable for phosphatizing for chipless cold forming by acid pickling, rinsing, drying and treatment with acid reaction lubricants containing phosphate ions. According to said method the workpieces are rinsed before drying with a solution which contains lactic acid, has a pH below 3 and preferably a temperature of between 60 and 80° C. Preferred embodiments of the invention consist of rinsing the workpieces with a solution which in addition contains phosphoric acid, has a lactic acid concentration of between 1 and 50 g/l and a weight ratio of lactic acid to phosphoric acid of between 1:9 and 9:1.

    摘要翻译： 本发明涉及一种适用于通过酸洗，漂洗，干燥和含有磷酸根离子的酸反应润滑剂进行处理的用于无酸冷成型的工件的制备方法。 根据所述方法，在用含有乳酸的溶液干燥之前将工件漂洗，pH低于3，优选温度在60至80℃之间。本发明的优选实施方案包括用溶液冲洗工件， 添加含有磷酸，乳酸浓度为1〜50g / l，乳酸与磷酸的重量比为1：9〜9：1。

    Concentrate for the electroless deposition of copper coatings on iron and iron alloy surfaces
    3.
    发明授权
    Concentrate for the electroless deposition of copper coatings on iron and iron alloy surfaces 失效
    集中在铁和铁合金表面上的铜涂层的无电沉积

    公开(公告)号：US5776231A

    公开(公告)日：1998-07-07

    申请号：US802029

    申请日：1997-02-18

    申请人： Klaus-Dieter Nittel ,  Karl-Heinz Nuss

    发明人： Klaus-Dieter Nittel ,  Karl-Heinz Nuss

    IPC分类号： C23C18/38 ,  B22F7/00

    CPC分类号： C23C18/38

    摘要： Disclosed is a process for the electroless deposition of a copper coating on an iron or iron alloy surface wherein the workpiece surface is contacted with a solution which contains hydrogen ions, 5 to 30 g/l Cu as well as 0.2 to 5 g/l Mg and preferably copper and magnesium with a weight ratio of Cu:Mg of (35 to 5):1 for a treatment time of 3 sec to 15 min at a temperature of the solution of 20.degree. to 65.degree. C. The invention also comprises a solid concentrate for preparing and replenishing the solution for carrying out the process, which consists of at least 85 wt-% CuSO.sub.4.5H.sub.2 O and MgSO.sub.4 (anhydrous) with a weight ratio of (35 to 5):1, and preferably contains in addition a maximum of 10 wt-% polyglycol and a maximum of 5 wt-% sodium chloride.

    摘要翻译： 公开了一种在铁或铁合金表面上无电沉积铜涂层的方法，其中工件表面与含有氢离子的溶液接触，5至30g / l的Cu以及0.2至5g / l的Mg 优选铜和镁的重量比为（35〜5）：1，在20〜65℃的温度下处理时间为3秒〜15分钟。本发明还包括 用于制备和补充用于进行该方法的溶液的固体浓缩物，其由至少85重量％的重量比为（35至5）：1的CuSO 4·5H 2 O和MgSO 4（无水）组成，并且优选还包含 最多10重量％的聚乙二醇和最多5重量％的氯化钠。

    Method for copper-plating or bronze-plating an object and liquid mixtures therefor
    5.
    发明授权
    Method for copper-plating or bronze-plating an object and liquid mixtures therefor 有权
    镀铜或青铜镀方法及其液体混合物的方法

    公开(公告)号：US07282088B2

    公开(公告)日：2007-10-16

    申请号：US10509586

    申请日：2003-04-02

    申请人： Klaus-Dieter Nittel ,  Ralf Schneider

    发明人： Klaus-Dieter Nittel ,  Ralf Schneider

    IPC分类号： C23C18/38

    CPC分类号： C23C18/38 ,  C23C18/48

    摘要： The invention relates to an aqueous concentrate which is stable with respect to freezing and defrosting and which contains at least one water-soluble or water-dispersible copper compound and, optionally, also a water-soluble or water-dispersible tin compound for use in a diluted state as a bath for the currentless copper plating or bronze plating of objects, especially metal objects such as iron or steel wires, characterized in that it contains at least one complexed water-soluble or water-dispersed copper compound. The invention also relates to an aqueous bath which contains at least one aqueous or water-dispersible copper compound and, optionally, a water-soluble or water-dispersible tin compound for the currentless copper plating of objects in addition to at least one brightening agent and which has an adjusted pH value of less than 2.5. The invention also relates to a method for currentless copper plating or bronze plating of an object, especially a metallic object.

    摘要翻译： 本发明涉及一种在冷冻和除霜方面稳定的含水浓缩物，其含有至少一种水溶性或水分散性铜化合物，以及任选地还可用于水溶性或水分散性锡化合物 稀释状态作为用于对象，特别是诸如铁或钢丝的金属物体的无电镀铜或青铜镀层的浴，其特征在于其含有至少一种络合的水溶性或水分散的铜化合物。 本发明还涉及含有至少一种水性或水分散性铜化合物和任选的水溶性或水分散性锡化合物的水浴，其用于除了至少一种增亮剂以外的物体的无电镀铜， 其pH值小于2.5。 本发明还涉及一种用于对象，特别是金属物体的无电镀铜或镀青铜的方法。

    Method for coating metal bodies with a phosphating solution and phosphating solution
    6.
    发明申请
    Method for coating metal bodies with a phosphating solution and phosphating solution 审中-公开
    用磷酸盐溶液和磷酸盐溶液涂覆金属体的方法

    公开(公告)号：US20060237099A1

    公开(公告)日：2006-10-26

    申请号：US10553382

    申请日：2004-05-06

    申请人： Ralf Schneider ,  Klaus-Dieter Nittel

    发明人： Ralf Schneider ,  Klaus-Dieter Nittel

    IPC分类号： C23C22/07

    CPC分类号： C23C22/368

    摘要： The invention relates to a method for coating surfaces of metal objects, especially as a pre-treatment for cold deformation or as a pre-treatment for a metal-rubber compound or to adjust friction coefficients in connection elements, used in connection elements such as screws for screwing purposes. The invention is characterised in that the optionally, already pre-coated metal objects are coated with a composition containing an aqueous, acidic phosphate, said composition containing 8-50 g/L phosphate as PO4, 0.5-30 g/L zinc ions, 0-5 g/L manganese ions, 0-8 g/L calcium ions, 0-5 g/L magnesium ions, whereby at least 0.1 g/L of calcium or/and magnesium ions are provided, 0.1-5 g/L nitroguanidine, 0.1-8 g/L chlorate or/and peroxide ions and 0-16 g/L complex fluoride (MeF4 or/and MeF6) of Me=B, Si, Ti, Hf or/and Zr and 0-5 g/L fluoride ions, whereby the total amount of complex fluoride and fluoride ions ranges from 0.1-18 g/L. The invention also relates to a phosphating method wherein the ratio of removal by pickling in relation to the layer weight of the phosphate layer is less than 75%. The invention further relates to a corresponding aqueous phosphating solution.

    摘要翻译： 本发明涉及一种用于涂覆金属物体的表面的方法，特别是作为冷变形的预处理或作为金属 - 橡胶混合物的预处理或调节连接元件中使用的连接元件（例如螺钉）中的摩擦系数的方法 用于拧紧目的。 本发明的特征在于，任选地，已经预先涂覆的金属物体涂覆有含有酸性磷酸盐的组合物，所述组合物含有8-50g / L磷酸盐作为PO 4， 30g / L锌离子，0-5g / L锰离子，0-8g / L钙离子，0-5g / L镁离子，由此提供至少0.1g / L的钙离子或/或镁离子 ，0.1-5g / L硝基胍，0.1-8g / L氯酸盐或/和过氧化物离子和0-16g / L络合氟化物（MeF 3/4或/和MeF 6） Me = B，Si，Ti，Hf或/和Zr和0-5g / L氟离子，由此氟化物和氟化物络合物的总量为0.1-18g / L。 本发明还涉及一种磷酸盐化方法，其中通过酸洗除去的比例相对于磷酸盐层的层重量小于75％。 本发明还涉及相应的磷酸氢盐水溶液。

    Lubricant for metal forming
    7.
    发明授权
    Lubricant for metal forming 有权
    用于金属成型的润滑剂

    公开(公告)号：US06034041A

    公开(公告)日：2000-03-07

    申请号：US137804

    申请日：1998-08-20

    申请人： Klaus-Dieter Nittel ,  Norbert Schwinke-Kruse ,  Gunter Hesse

    发明人： Klaus-Dieter Nittel ,  Norbert Schwinke-Kruse ,  Gunter Hesse

    IPC分类号： C10M173/02 ,  C10M157/00

    CPC分类号： C10M173/02 ,  C10M2201/02 ,  C10M2201/041 ,  C10M2201/042 ,  C10M2201/066 ,  C10M2201/085 ,  C10M2201/087 ,  C10M2205/022 ,  C10M2205/04 ,  C10M2205/14 ,  C10M2209/084 ,  C10M2209/104 ,  C10M2209/108 ,  C10M2219/044 ,  C10N2220/02 ,  C10N2240/402 ,  C10N2240/403 ,  C10N2240/404 ,  C10N2240/405 ,  C10N2240/406 ,  C10N2240/407 ,  C10N2240/408 ,  C10N2240/409 ,  C10N2250/02

    摘要： Disclosed is a solid or aqueous lubricant concentrate used for the cold forming of metals, which, with reference to the solids content, including a) 20 to 50 parts by weight polyethylene with a softening point above 120.degree. C. and a particle size int he range between 0.1 and 50 .mu.m; b) 20 to 8 parts by weight polyacrylate with a molecular weight of 4,500 to 10,000 and c) 2 to 8 parts by weight styrene/acrylic acid copolymer with a molecular weight of 150,000 to 250,000 and a glass transition temperature of 45 to 55.degree. C., where, under the conditions of use, the acrylic acid component of the polymers in accordance with items b) and c) is predominantly present as salt of one or more inorganic cations, and the softening points of the individuals polymers are distributed over the temperature range defined by the limiting values of ambient temperature and 200.degree. C. The lubricant concentrate may contain homo-or copolymers or acrylic acid or the esters thereof with graded molecular weights as well as surfacant. Also disclosed is a method for facilitating the cold forming, where, by means of the lubricant concentrate, a lubricant film is applied on the workpiece from a dispersion having solids content of 5 to 25 wt-%.

    摘要翻译： 公开了用于冷成型金属的固体或水性润滑剂浓缩物，其相对于固体含量，包括a）20至50重量份的软化点高于120℃的聚乙烯和其粒径 范围在0.1到50微米之间; b）20至8重量份的分子量为4,500至10,000的聚丙烯酸酯和c）2至8重量份的苯乙烯/丙烯酸共聚物，分子量为150,000至250,000，玻璃化转变温度为45至55℃ 其中，在使用条件下，根据项目b）和c）的聚合物的丙烯酸组分主要作为一种或多种无机阳离子的盐存在，并且个体聚合物的软化点分布在 温度范围由环境温度和200℃的限制值限定。润滑剂浓缩物可以含有均匀或共聚物或具有分级分子量和表面活性剂的丙烯酸或其酯。 还公开了一种促进冷成型的方法，其中通过润滑剂浓缩物，将润滑剂膜从具有5至25重量％的固体含量的分散体施加在工件上。

    METHOD FOR APPLYING MANGANESE PHOSPHATE LAYERS
    10.
    发明申请
    METHOD FOR APPLYING MANGANESE PHOSPHATE LAYERS 有权
    应用锰酸盐层的方法

    公开(公告)号：US20110086171A1

    公开(公告)日：2011-04-14

    申请号：US12971806

    申请日：2010-12-17

    申请人： Klaus-Dieter NITTEL ,  Detlev SEIFERT ,  Ralf STICKLER

    发明人： Klaus-Dieter NITTEL ,  Detlev SEIFERT ,  Ralf STICKLER

    IPC分类号： B05D3/02

    CPC分类号： C23C22/18 ,  C23C22/188

    摘要： The invention relates to a method for applying manages phosphate layers to iron or steel surfaces using phosphating solutions containing manganese, phosphate, iron(II) ions as well as nitroguinidine, as well as its application to workpieces that are subject to sliding friction.

    摘要翻译： 本发明涉及使用含有锰，磷酸盐，铁（II）离子以及硝基胍的磷酸盐溶液将磷酸盐层施用于铁或钢表面的方法，以及其应用于经受滑动摩擦的工件。