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    • 1. 发明公开
    • Helical groove fasteners and methods for making same
    • Befestigungselemente mitwendelförmigerNut und Verfahren zur Herstellung derselben
    • EP1484516A1
    • 2004-12-08
    • EP04253383.6
    • 2004-06-07
    • SPS Technologies, Inc.
    • Swimm, Ollie C., Jr.
    • F16B35/04
    • F16B35/041
    • Helical groove fasteners and methods for producing the same are provided for use in systems requiring fluid passage through the fastener. In one embodiment, the fastener includes a shank (28), a head (22), a threaded portion (36), and at least one groove (20) extending through at least a portion of the threaded portion. The fastener can include a single groove or multiple grooves. In certain preferred embodiments, the helix rotation angle of the groove is selected so that the shank has a continuous diameter to facilitate the thread forming process. In preferred embodiments, the fastener is cold forged and the threads are formed using a thread rolling die.
    • 提供螺旋槽紧固件及其制造方法,用于要求流体通过紧固件的流体系统。 在一个实施例中,紧固件包括柄(28),头部(22),螺纹部分(36)和延伸穿过螺纹部分的至少一部分的至少一个凹槽(20)。 紧固件可以包括单个凹槽或多个凹槽。 在某些优选实施例中,选择槽的螺旋旋转角度,使得柄具有连续的直径以便于螺纹形成过程。 在优选实施例中,紧固件被冷锻,并且使用螺纹滚压模形成螺纹。
    • 5. 发明公开
    • Process for making Nd-Fe-B type magnets utilizing a hydrogen and oxygen treatment
    • Herstellungsverfahren eines Nd-Fe-B-Typ Magnets durch Anwendung von Wasserstoff und Sauerstoff。
    • EP0416595A2
    • 1991-03-13
    • EP90117124.9
    • 1990-09-05
    • SPS TECHNOLOGIES, Inc.
    • Anderson, Richard L.
    • H01F41/02H01F1/053
    • H01F1/0576B22F1/0088B22F9/023B22F2009/041B22F2999/00H01F1/0573B22F9/04B22F2202/03B22F2201/02
    • A process for preparing a permanent magnet is disclosed. The process comprises the steps of exposing material, in particulate form, and having an overall composition comprising 8 to 30 atomic percent of a first constituent selected from the group consisting of rare earth metals, 42 to 90 atomic percent of a second constituent selected from the group consisting of transition metals and 2 to 28 atomic percent of a third constituent selected from the group consisting of substances from Group III of the Periodic Table, to hydrogen gas under conditions such that hydrogen gas is absorbed by the material, exposing the hydrided material, in particulate form, to oxygen or an oxygen-containing gas in an amount and for a period of time sufficient to passivate the material, and compacting the material. Also disclosed are products from this process, namely, passivated, hydrided particles, alloy compacts formed of passivated, hydrided material and permanent magnets, having superior properties.
    • 公开了一种制备永磁体的方法。 该方法包括以下步骤:以颗粒形式曝光材料,并且具有包含8至30原子%的选自稀土金属的第一组分,42-90原子%的选自以下的第二组分的总组合物的步骤: 由选自元素周期表第III组的物质的过渡金属和2至28原子%的第三成分组成的氢气在氢气被材料吸收,暴露出氢化物质的条件下, 颗粒形式的氧气或含氧气体的量足以使材料钝化,并且使该材料压实。 还公开了这种方法的产品,即钝化的,水合的颗粒,由钝化,氢化材料和永磁体形成的合金压块,具有优异的性能。
    • 6. 发明公开
    • Thread rolling dies
    • Gewindewalzbacken。
    • EP0411179A1
    • 1991-02-06
    • EP89114197.0
    • 1989-08-01
    • SPS TECHNOLOGIES, Inc.
    • LaCroix, Edward
    • B21H3/06
    • B21H3/06
    • Short thread rolling dies (10) for forming a thread on a cylindrical body are disclosed comprising a face (11) having a working configuration formed thereon for producing a thread on the cylindrical body with the face (11) comprising a ramp surface (20) inclined upwardly from a full form forward portion (19) of the die (10) to a height of from about one-third to about one-half thread depth and a dwell surface (21) extending from the ramp surface (20) to a finish portion (32) of the die (10). The dwell surface (21) has a length of from about two to about three times the circumference of the cylindrical body.
    • 公开了一种用于在圆柱体上形成螺纹的短螺纹滚动模具(10),其包括形成在其上的工作构型的面(11),用于在圆柱体上产生螺纹,其中面(11)包括斜面(20) 从模具(10)的整个形状向前部分(19)向上倾斜到约三分之一至约二分之一螺纹深度的高度,以及从斜面(20)延伸到 模具(10)的精加工部分(32)。 停留表面(21)的长度为圆柱体的周长的约2至约3倍。
    • 7. 发明公开
    • Improved swaged collar fastener
    • Durch angestauchte Kragen zu befestigendes元素。
    • EP0304070A2
    • 1989-02-22
    • EP88113459.7
    • 1988-08-18
    • SPS TECHNOLOGIES, Inc.
    • Dahl, Warren
    • F16B19/05
    • F16B19/05Y10T403/75
    • Predetermined limits are attained for the peak loads encountered when a composite assembly of workpieces (12) is secured with a swaged collar fastener (10), by disposing cavities in the cylindrical wall (32) of the fastener collar to receive material flow during the swaging operation. Rotation between the collar and pin (16) of the fastener (10) is precluded by disposing abutting portions on the pin (16), which interface against the swaged material of the collar. Fastener cost reductions are achieved by decreasing the volume of a post-swage scrap portion on the pin (16) and by concurrently fabricating grooves thereon with a rolling die, for various functional purposes. Swaging toll malfunction is avoided by eliminating land surfaces adjacent to grooves (38) on the pin (16) through which pull is applied thereto with the tool (16).
    • 当工件(12)的复合组件通过铆接的紧固件(10)固定时,通过在紧固件环的圆柱形壁(32)中设置空腔以在模锻期间接收材料流而遇到的峰值负载达到预定极限 操作。 紧固件(10)的轴环和销(16)之间的旋转通过将销钉(16)上的邻接部分设置成抵靠套环的模压材料而被排除。 为了各种功能目的,通过减小销(16)上的后模具废料部分的体积并且通过用轧制模同时在其上制造槽来实现紧固件成本降低。 通过消除邻近销(16)上与工具(16)向其施加拉力的凹槽(38)相邻的平台表面来避免模锻费用故障。