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    • 3. 发明授权
    • Method of cold coining a toothed segment for an endless track wheel and
two-piece die therefor and article formed thereby
    • 用于环形履带轮和两件式模具的齿形段的冷压印方法和由此形成的制品
    • US4420962A
    • 1983-12-20
    • US298451
    • 1981-09-02
    • Donald J. Peterson
    • Donald J. Peterson
    • B21J5/02B21J13/02B21K1/30B21K23/02B62D55/135B21D22/00
    • B62D55/135B21J13/02B21J5/02B21K1/30B21K23/02Y10T29/49474Y10T74/1993
    • A method of forging an arcuate shaped toothed segment which is adapted to be bolted to an endless track wheel for an endless track vehicle. The method includes the simultaneous finishing without the necessity of machining of various surfaces of the toothed segment, and which surfaces are arranged at right angles to one another. The method includes inserting a rough blank so that the surfaces to be finished are held in a two-piece die and at an inclined angle in respect to the direction of die movement. As a result, all of the surfaces of the segment are simultaneously and completely finished so as to need no further machining. A two-piece coin die assembly for the coining and finishing without machining of various surfaces of a toothed segment for an endless track wheel, wherein the surfaces, which are at right angles to one another are positioned at an inclined angle on the die in respect to the direction of die movement so as to simultaneously finish all of the surfaces and eliminate the necessity for machining. The die assembly also includes an adjustable coin button in one of the dies for accurately finishing and locating one of the surfaces and from which all of the other finished surfaces are to be held within specific and very close tolerances.An arcuate shaped tooth segment for an endless track wheel having various surfaces arranged at right angles to one another and which are formed and finished completely and accurately by the above method and die assembly.
    • 一种锻造弧形齿形段的方法,其适于螺栓连接到环形轨道车轮用于无限轨道车辆。 该方法包括同时整理,而不需要加工齿形段的各种表面,并且哪些表面彼此成直角地布置。 该方法包括:将粗糙的坯料插入,使得待完成的表面相对于模具移动的方向以一个两件式的模具保持在倾斜角度。 结果,片段的所有表面被同时且完全地完成,从而不需要进一步的加工。 一种用于压实和精加工的两件式硬币模具组件,其不加工环形履带轮的齿形段的各种表面,其中彼此成直角的表面相对于模具以倾斜角定位 到模具移动的方向,以便同时完成所有表面并消除机械加工的必要性。 模具组件还包括在其中一个模具中的可调节的硬币按钮,用于精确地整理和定位其中一个表面,并且所有其它成品表面将保持在特定且非常严格的公差范围内。 一种用于环形履带轮的弧形齿段,其具有彼此成直角布置的各种表面,并且通过上述方法和模具组件完全和精确地形成和完成。
    • 5. 发明授权
    • Organotin compounds as herbicides
    • 有机锡化合物作为除草剂
    • US3988145A
    • 1976-10-26
    • US563912
    • 1975-04-03
    • Donald J. Peterson
    • Donald J. Peterson
    • C07F1/02C07F7/22A01N9/00
    • C07F7/2212C07F1/02
    • Disclosed are novel organotin compounds and a process for preparing same. These organotin compounds correspond to the general formula: ##EQU1## where A is alkyl of from 1 to 14 carbon atoms; aryl; substituted aryl; or R.sub.2 N-, where each R is alkyl of from 1 to 14 carbon atoms; and each R' is alkyl of from 1 to 14 carbon atoms; or aryl. The organotin compounds of the invention having insecticidal, acaricidal, bacteriostatic, fungicidal and herbicidal properties are employed in the formulation of pesticidal compositions.
    • 公开了新颖的有机锡化合物及其制备方法。 这些有机锡化合物对应于以下通式:其中A为1至14个碳原子的烷基;其中A为1至14个碳原子的烷基; 芳基; 取代芳基; 或R 2 N-,其中每个R是1至14个碳原子的烷基; 并且每个R'是1至14个碳原子的烷基; 或芳基。 具有杀虫,杀螨,抑菌,杀真菌和除草性质的本发明的有机锡化合物用于制定杀虫组合物。