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    • 1. 发明专利
    • Cylinder head gasket and method for manufacturing the same
    • 气缸盖垫圈及其制造方法
    • JP2011163493A
    • 2011-08-25
    • JP2010028843
    • 2010-02-12
    • Nippon Gasket Co Ltd日本ガスケット株式会社
    • FUKUDA DAISUKE
    • F16J15/08F02F11/00
    • PROBLEM TO BE SOLVED: To provide a cylinder head gasket having high fatigue resistance by suppressing cracking of full beads.
      SOLUTION: A material is supplied from a coil constituted by winding strip stainless (101). The material is subjected to shot peening at least at positions for forming full beads on both surfaces of the material (102). Both the surfaces of the material are subjected to chemical conversion treatment (103), and the coating is applied to both the surfaces of the material (104). The resulting material is then put into a pressing machine to perform molding of full beads 11a while being subjected to boring processing or blank processing of the periphery by the pressing machine (105).
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:通过抑制全部小珠的破裂来提供具有高耐疲劳性的气缸盖衬垫。

      解决方案:材料由卷绕不锈钢(101)构成的线圈供应。 该材料至少在用于在材料(102)的两个表面上形成全部珠粒的位置进行喷丸硬化。 对材料的两个表面进行化学转化处理(103),并将涂层施加到材料(104)的两个表面上。 然后将所得到的材料放入压制机中,以通过压制机(105)进行镗孔加工或对周边进行坯料加工,以进行全部小珠11a的模制。 版权所有(C)2011,JPO&INPIT