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    • 1. 发明专利
    • Method of forming high performance thread forming screw
    • 形成高性能螺纹成形螺杆的方法
    • JP2012187638A
    • 2012-10-04
    • JP2012115545
    • 2012-05-21
    • Acument Intellectual Properties Llcアキュメント インテレクチュアル プロパティーズ エルエルシー
    • PRICE DAVID RSHATTUCK GARY
    • B21K1/46F16B25/04F16B33/02
    • F16B25/00B21K1/46C21D9/0093F16B25/0021F16B33/06
    • PROBLEM TO BE SOLVED: To provide a method of forming a thread forming screw, which can form threads in a workpiece having a surface hardness which exceeds HRC 23.SOLUTION: The method of forming a thread forming screw includes the steps of: cold upsetting an alloy wire to form a screw head, and then forming a screw thread part; carbon enriching the screw to at least a 0.48 carbon level, and then quenching and tempering the screw, wherein the screw is tempered such that the surface hardness does not exceed the core hardness by more than 3 Rockwell C points, and both the surface and core are at a Rockwell C33-C39 hardness; induction hardening the point; quenching and tempering the screw again, wherein the screw is tempered such that the lead threads and the first 3-4 full threads are at a Rockwell C56 minimum hardness, preferably to a depth of at least 0.008 inches, and the core is at the Rockwell C33-C39 hardness; and finally, applying a finish.
    • 要解决的问题:提供一种形成螺纹形成螺杆的方法,该螺纹形成螺杆可以在具有超过HRC 23的表面硬度的工件中形成螺纹。解决方案:形成螺纹形螺杆的方法包括 步骤:冷镦合金丝以形成螺丝头,然后形成螺纹部分; 碳将螺杆富集至少0.48碳水平,然后淬火和回火螺杆,其中螺杆被回火,使得表面硬度不超过芯部硬度超过3个洛氏C点,并且表面和芯部 处于洛氏C33-C39硬度; 感应淬火点; 再次对螺钉进行淬火和回火,其中螺杆被回火,使得引线和前3-4个全螺纹处于洛氏C56最小硬度,优选至少为0.008英寸的深度,并且芯在洛氏 C33-C39硬度; 最后应用完成。 版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Bolt with locking projection, and its manufacturing method and device
    • 具有锁定投影的螺栓及其制造方法和装置
    • JP2006170331A
    • 2006-06-29
    • JP2004364058
    • 2004-12-16
    • Tokyo Neji Seisakusho:Kk株式会社東京ネジ製作所
    • KOJIMA SEIJI
    • F16B35/04B21J5/08B21J13/14B21K1/46F16B35/00F16B35/06
    • B21K1/46
    • PROBLEM TO BE SOLVED: To provide a bolt with a locking projection capable of being manufactured with cold forging and extremely superior in strength, and to provide its manufacturing method and device. SOLUTION: The manufacturing method mainly comprises semi-close upsetting work with cold forging. In primary work, a thick portion is formed on one side face of the upper part of a blank P to provide for the locking projection 3. In second work, a thick portion is formed to provide for a bolt head 2. In third work, a molded recessed portion 4 is formed in the center at the upper end of the blank P to be recessed in a concentrically circular shape. Together with the molded recessed portion 4, the bolt head 2 is formed at the thick portion around the molded recessed portion 4. The locking projection 3 is molded together with the bolt head 2 at the same time. In fourth work, the bolt head 2 and the locking projection 3 are re-shaped. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种具有能够用冷锻制造并具有非常优异的强度的锁定突起的螺栓,并提供其制造方法和装置。

      解决方案:制造方法主要包括冷锻半成品加工。 在初级工作中,在坯料P的上部的一个侧面上形成厚部以提供锁定突起3.在第二工作中,形成厚部以提供螺栓头2.在第三工作中, 模制凹部4形成在坯料P的上端的中心,以同心圆形的形状凹陷。 与模制凹部4一起,螺栓头2形成在模制凹部4周围的厚部。锁定突起3同时与螺栓头2一起模制。 在第四工作中,螺栓头2和锁定突起3被重新成形。 版权所有(C)2006,JPO&NCIPI

    • 9. 发明专利
    • Lock bolt and method of manufacturing the same
    • 锁栓及其制造方法
    • JP2013024253A
    • 2013-02-04
    • JP2011156277
    • 2011-07-15
    • Yamazaki Active:Kk株式会社ヤマザキアクティブ
    • YAMAZAKI TADATSUGUYAMAZAKI KAZUKI
    • F16B39/284B21K1/46F16B33/06F16B35/00
    • F16B39/00B21H3/02B21J13/02B21K1/46B21K1/463B21K1/56B21K29/00F16B35/06F16B39/284
    • PROBLEM TO BE SOLVED: To provide an easy-to-manufacture lock bolt that fastens and fixes members or the like very firmly without loosening even if vibration is applied repeatedly.SOLUTION: The lock bolt includes a shaft section 1 having a screw formed on the outer circumference and a head section 2 provided at one end of the shaft section 1. The head section 2 is formed of a body part 201 having a hexagonal cross-sectional shape, a tubular skirt part 202 continued from the body part 201 and widened radially outward from the body part 201 with a concave surface using a suspended curved surface. The lower end surface 203 of the outer surface of the skirt part 202 is parallel to the axis X-X of the body part 201. The inner surface of the skirt section 202 is bored in an inverted-suspended curved surface shape while leaving a flat portion at a bottom rim 204.
    • 要解决的问题:即使重复施加振动,也可以非常牢固地固定和固定构件等的易于制造的锁定螺栓,而不会松动。 解锁方案:锁定螺栓包括具有形成在外周上的螺钉的轴部1和设置在轴部1的一端的头部2.头部2由具有六边形的主体部201 横截面形状,从主体部分201延伸的管状裙部202,并且使用悬浮的曲面以凹形表面从主体部201径向向外加宽。 裙部202的外表面的下端面203平行于主体部201的轴线X.裙部202的内表面以倒立的曲面形状钻孔,同时将平坦部分放置在 底部边缘204.版权所有(C)2013,JPO&INPIT