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    • 3. 发明授权
    • Metal gaskets for cylinder heads, and methods for manufacturing same
    • 气缸盖用金属垫片及其制造方法
    • US08939452B2
    • 2015-01-27
    • US13580349
    • 2011-02-21
    • Yoshitaka MatsushitaYuji TakahashiYoshimi Arakawa
    • Yoshitaka MatsushitaYuji TakahashiYoshimi Arakawa
    • F02F11/00B21D39/03B21D53/84F16J15/08
    • F16J15/0825B21D39/032B21D53/84F16J15/0831F16J2015/085F16J2015/0862F16J2015/0868
    • Provided is a metal gasket for a cylinder head that is capable of improving engaging force between a substrate and a step adjustment plate. A method for manufacturing the metal gasket for a cylinder head includes the steps of: forming a prepared hole 3c in each of a plurality of protruding pieces 3b of the step adjustment plate 3; forming a tubular portion 3d including a plurality of projecting segments 3d1 by inserting a die 4 including a polygonal pyramidal punch 4a into the prepared hole 3c so as to bend up a peripheral portion around the prepared hole 3c while cutting the peripheral portion into segments; forming in the substrate 2 an fastening hole 2h in correspondence with a position of the tubular portion 3d formed in the step adjustment plate 3; and engaging the protruding piece 3b through the substrate 2 by inserting the tubular portion 3d of the step adjustment plate 3 through the corresponding fastening hole 2h formed in the substrate 2, and subsequently folding the plurality of projecting segments 3d1 of the tubular portion 3d over to an outside of the substrate 2 and flattening out the projecting segments 3d1.
    • 提供一种用于气缸盖的金属垫圈,其能够改善基底和台阶调节板之间的接合力。 一种用于制造气缸盖用金属垫圈的方法,包括以下步骤:在台阶调节板3的多个突出片3b中形成预备孔3c; 通过将包括多角锥形冲头4a的模具4插入到所制备的孔3c中,以将周边部分切割成段来将周围部分弯曲,从而形成包括多个突出部分3d1的管状部分3d; 在基板2中形成与形成在台阶调整板3中的管状部3d的位置对应的紧固孔2h; 并且通过将台阶调节板3的管状部分3d插入通过形成在基板2中的相应的紧固孔2h而将突出片3b接合穿过基板2,随后将管状部分3d的多个突出部分3d1折叠到 在基板2的外侧,并且使突出部分3d1变平。
    • 6. 发明授权
    • Double-action clinching method
    • 双作用搭扣法
    • US08024848B2
    • 2011-09-27
    • US12247983
    • 2008-10-08
    • Jon T. Carter
    • Jon T. Carter
    • B21D39/00
    • B21D39/032B21D39/031Y10T29/49833Y10T29/49835Y10T29/49837Y10T29/49908Y10T29/49915Y10T29/49936Y10T29/5343Y10T29/53709Y10T29/53996Y10T403/4974Y10T403/4991
    • Double-action clinching includes establishing a first layer on a second layer, and securing the layers between a tool's punch and clinching punch. First layer has less ductility than second layer, and clinching punch diameter is smaller than punch diameter. Layers are secured so: a tool support receives a portion of a second layer surface; clinching punch, slidably positioned in the support, is adjacent another portion of the second layer surface; and punch, positioned opposed to clinching punch, is adjacent a portion of a first layer surface. Pressing the punch into the first layer surface portion forms an aperture through the first layer. Pressing the clinching punch, in a direction opposite to the punch pressing, into the other portion of the second layer surface forces portion(s) of the second layer into the aperture, and forms a micro-interlocking flush-back joint between an aperture side wall and the second layer portion(s).
    • 双作用夹紧包括在第二层上建立第一层,并且将层固定在工具的冲头和夹紧冲头之间。 第一层具有比第二层更小的延展性,并且夹紧冲头直径小于冲头直径。 层被固定成:工具支撑件容纳第二层表面的一部分; 紧固冲头,可滑动地定位在支撑件中,与第二层表面的另一部分相邻; 并且与冲压冲头相对定位的冲头邻近第一层表面的一部分。 将冲头压入第一层表面部分形成穿过第一层的孔。 将冲压冲头沿着与冲压相反的方向压入第二层表面的另一部分将第二层的一部分的一部分压入孔中,并且在开口侧之间形成微型互锁冲洗接头 壁和第二层部分。