Deliming hides
    2.
    发明授权
    Deliming hides 失效
    划定生皮

    公开(公告)号:US4377387A

    公开(公告)日:1983-03-22

    申请号:US348277

    申请日:1982-02-12

    IPC分类号: C14C1/08

    CPC分类号: C14C1/08

    摘要: Conventionally limed hides are delimed for from one to six hours under conventional deliming conditions in respect of liquor length, temperature and pH of the liquor, by a process in which a cyclic carbonate of a polyhydric aliphatic alcohol of 2 to 6 carbon atoms is employed as the active agent.

    摘要翻译: 通常使用2至6个碳原子的多元脂肪醇的环状碳酸酯作为方法,在常规的分离条件下,关于液体的长度,液体的温度和pH值,将常规的褐色皮革分离为1至6小时, 活性剂。

    Preparation of unsaturated and saturated ketones
    3.
    发明授权
    Preparation of unsaturated and saturated ketones 失效
    不饱和和饱和酮的制备

    公开(公告)号:US4874899A

    公开(公告)日:1989-10-17

    申请号:US206731

    申请日:1988-06-15

    摘要: Unsaturated ketones of the formula ##STR1## and saturated ketones of the formula ##STR2## where R.sup.1, R.sup.2 and R.sup.3 are each hydrogen, alkyl of 1 to 12 carbon atoms or a cycloalkyl, aryl, aralkyl or alkylaryl radical which inturn may be substituted, or R.sup.1 and R.sup.3 or R.sup.2 and R.sup.3, together with the carbon atoms to which they are bonded, may form a cycloalkane, are prepared by a process in which a 5-methylene-1,3-dioxolanone which is substituted in the 4-position and is of the forumla ##STR3## where R.sup.1, R.sup.2 and R.sup.3 have the above meanings, (a) for the preparation of an unsaturated ketone, is converted in the presence of a zeolite, of a phosphate having a zeolite structure and/or of B, Ce, Fe, Zr or Sr phosphate as catalysts and (b) for the preparation of a saturated ketone, is converted in the presence of the same catalysts which additionally carry one or more hydrogenation components.

    摘要翻译: 其中R1,R2和R3各自为氢,1至12个碳原子的烷基或可以被取代的环烷基,芳基,芳烷基或烷基芳基,其中式(IMAGE)的不饱和酮和式“IMAGE”的饱和酮, 或R 1和R 3或R 2和R 3与它们所键合的碳原子一起形成环烷烃的方法通过以下方法制备:其中在4-位被取代的5-亚甲基-1,3-二氧杂环戊酮 并且是其中R1,R2和R3具有上述含义的论文(a),(a)制备不饱和酮的方法,在沸石存在下,具有沸石结构的磷酸盐和/或 B,Ce,Fe,Zr或Sr磷酸盐作为催化剂,(b)制备饱和酮的催化剂在相同催化剂的存在下转化,另外还含有一种或多种氢化组分。

    Production of oxyalkylated .alpha.-hydroxy acetylenic compounds
    4.
    发明授权
    Production of oxyalkylated .alpha.-hydroxy acetylenic compounds 失效
    制备烷氧基化的{60-羟基炔属化合物

    公开(公告)号:US3931336A

    公开(公告)日:1976-01-06

    申请号:US389479

    申请日:1973-08-20

    申请人: Kurt Schneider

    发明人: Kurt Schneider

    IPC分类号: C25D3/16 C07C41/02 C07C41/10

    CPC分类号: C25D3/16

    摘要: Production of oxyalkylated acetylenic alcohols by reaction of acetylenic alcohols with alkylene oxides in the presence of phosphines, polar aprotic solvents or thioethers.

    摘要翻译: 在膦,极性非质子溶剂或硫醚的存在下,通过炔属醇与环氧烷反应制备烷氧基化炔属醇。

    Device for preventing vibrations in a tool spindle
    5.
    发明授权
    Device for preventing vibrations in a tool spindle 有权
    用于防止工具主轴振动的装置

    公开(公告)号:US08950507B2

    公开(公告)日:2015-02-10

    申请号:US13059768

    申请日:2009-08-06

    摘要: A device and a method for preventing vibrations (19) in a rotating spindle (1) mounted in at least one front 8 and one rear bearing (9) in a machine tool, wherein the device comprises measuring units (2, 3, 4, 5) for detecting the vibrations (19) and correction device (6) for preventing the vibrations (19) disposed directly about the periphery (10, 11) of the spindle (1) in a contacting or non-contacting manner and that a control unit (7) for processing the measuring units (2, 3, 4, 5) and for calculating the correction values for the correction device (6) is assigned to this device.

    摘要翻译: 一种用于防止安装在机床中的至少一个前部8和一个后部轴承(9)中的旋转主轴(1)中的振动(19)的装置和方法,其中所述装置包括测量单元(2,3,4, 5)用于检测振动(19)和校正装置(6),用于防止以接触或非接触方式围绕心轴(1)的周边(10,11)直接设置的振动(19),并且控制 将用于处理测量单元(2,3,4,5)并用于计算校正装置(6)的校正值的单元(7)分配给该装置。

    DEVICE FOR PREVENTING VIBRATIONS IN A TOOL SPINDLE
    6.
    发明申请
    DEVICE FOR PREVENTING VIBRATIONS IN A TOOL SPINDLE 有权
    用于防止工具主轴上的振动的装置

    公开(公告)号:US20110186323A1

    公开(公告)日:2011-08-04

    申请号:US13059768

    申请日:2009-08-06

    IPC分类号: E21B3/00

    摘要: A device and a method for preventing vibrations (19) in a rotating spindle (1) mounted in at least one front 8 and one rear bearing (9) in a machine tool, wherein the device comprises measuring units (2, 3, 4, 5) for detecting the vibrations (19) and correction means (6) for preventing the vibrations (19) disposed directly about the periphery (10, 11) of the spindle (1) in a contacting or non-contacting manner and that a control unit (7) for processing the measuring units (2, 3, 4, 5) and for calculating the correction values for the correction means (6) is assigned to this device.

    摘要翻译: 一种用于防止安装在机床中的至少一个前部8和一个后部轴承(9)中的旋转主轴(1)中的振动(19)的装置和方法,其中所述装置包括测量单元(2,3,4, 5)用于检测振动(19)和校正装置(6),用于防止以接触或非接触的方式围绕心轴(1)的周边(10,11)直接设置的振动(19),并且控制 将用于处理测量单元(2,3,4,5)和用于计算校正装置(6)的校正值的单元(7)分配给该装置。

    Preparation of 1,4-diazabicyclo[2.2.2]octanes
    7.
    发明授权
    Preparation of 1,4-diazabicyclo[2.2.2]octanes 失效
    制备1,4-二氮杂双环[2.2.2]辛烷

    公开(公告)号:US4804758A

    公开(公告)日:1989-02-14

    申请号:US105537

    申请日:1987-10-08

    IPC分类号: C07D487/08

    CPC分类号: C07D487/08 Y02P20/582

    摘要: 1,4-Diazabicyclo[2.2.2]octane and C-substituted 1,4-diazabicyclo[2.2.2]octanes of the formula (I) ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or alkyl or alkenyl, each of 1 to 4 carbon atoms, are prepared from a heterocyclic amine of the formula (II) ##STR2## where R.sup.1 and R.sup.2 have the above meanings, R.sup.3 is hydrogen, hydroxyethyl or aminoethyl and X is hydroxyl or amino, in the presence of borosilicate and/or iron silicate zeolites as catalysts. Particularly suitable catalysts are the borosilicate and iron silicate zeolites of the pentasil type.

    摘要翻译: 式(I)的1,4-二氮杂双环[2.2.2]辛烷和C-取代的1,4-二氮杂双环[2.2.2]辛烷其中R 1和R 2各自为氢或烷基或链烯基, 每个1-4个碳原子由式(II)的杂环胺制备,其中R 1和R 2具有上述含义,R 3是氢,羟乙基或氨基乙基,X是羟基或氨基,在 硼硅酸盐和/或铁硅酸盐沸石作为催化剂的存在。 特别合适的催化剂是pentasil型的硼硅酸盐和硅酸铁沸石。

    Production of glycol monoesters of alpha, beta-unsaturated carboxylic
acids
    9.
    发明授权
    Production of glycol monoesters of alpha, beta-unsaturated carboxylic acids 失效
    生产α,β-不饱和羧酸的二醇单酯

    公开(公告)号:US3948978A

    公开(公告)日:1976-04-06

    申请号:US529346

    申请日:1974-12-04

    IPC分类号: C07C69/52 C07C67/26 C07C69/54

    CPC分类号: C07C67/26

    摘要: The production of glycol monoesters of .alpha.,.beta.-unsaturated carboxylic acids of three or four carbon atoms and 1,2-diols of two to four carbon atoms by the reaction of acids with 1,2-alkylene oxides of two to four carbon atoms at elevated temperature in the presence of catalysts and polymerization initiators and also of molecular oxygen as an additional agent for suppressing polymerization.

    摘要翻译: 通过酸与2至4个碳原子的1,2-亚烷基氧反应生产3或4个碳原子的α,β-不饱和羧酸和2至4个碳原子的1,2-二醇的乙二醇单酯 在催化剂和聚合引发剂的存在下升高温度,还有分子氧作为抑制聚合的另外的试剂。

    Shaft cooler for a tool motor spindle
    10.
    发明授权
    Shaft cooler for a tool motor spindle 有权
    用于工具电机主轴的轴冷却器

    公开(公告)号:US08684643B2

    公开(公告)日:2014-04-01

    申请号:US12741866

    申请日:2008-11-04

    CPC分类号: H02K1/32 B23Q11/127 H02K9/19

    摘要: A shaft cooler (1) for a tool motor spindle (2), which has a rotating shaft (3), a static lance (4), and at least one coolant loop (7), which comprises a coolant inlet (5) and a coolant outlet (6), said shaft cooler being implemented such that the flow of the coolant from the static lance (4) into the rotating shaft (3) is performed via a flow path that includes radially-extending cooling holes (31) to cause the coolant to flow from a radially inside location to a radially outside location.

    摘要翻译: 一种用于工具电动机主轴(2)的轴冷却器(1),其具有旋转轴(3),静态喷枪(4)和至少一个冷却剂回路(7),其包括冷却剂入口(5)和 冷却剂出口(6),所述轴冷却器被实施为使得冷却剂从静态喷枪(4)流入旋转轴(3)的流动经由包括径向延伸的冷却孔(31)至 导致冷却剂从径向内部位置流动到径向外部位置。