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    GENERAL-PURPOSE TAPPING SCREW CAPABLE OF BEING COUPLED TO VARIOUS OBJECTS AND COUPLING METHOD USING SAME
    8.
    发明授权
    GENERAL-PURPOSE TAPPING SCREW CAPABLE OF BEING COUPLED TO VARIOUS OBJECTS AND COUPLING METHOD USING SAME 有权
    UNIVERSELLE BLECHSCHRAUBE MITKOPPLUNGSFÄHIGKEITAN VERSCHIEDENENGEGENSTÄNDENUND KOPPLUNGSVERFAHRENFÜRDIESE

    公开(公告)号：EP2905483B1

    公开(公告)日：2017-05-03

    申请号：EP12885942

    申请日：2012-10-09

    Applicant: ASIA BOLT CO LTD

    Inventor： KIM CHANG-YOUNG ,  LEE SANG-YOU ,  LEE YOUNG-HEE

    IPC: F16B25/00 ,  F16B25/06 ,  F16B33/02 ,  F16B33/06

    CPC classification number: F16B25/0042 ,  F16B25/0031 ,  F16B25/0047 ,  F16B25/0068 ,  Y10T29/49885 ,  Y10T29/49963

    Abstract: The present invention relates to a tapping screw to be coupled by machining a female screw and, more specifically, to a general-purpose tapping screw which can be used for all injection-molded objects such as synthetic resin or the like, flexible metal and hard metal. The present invention provides a general use tapping screw, which is a two-line screw having a cylindrical body, and main threads and auxiliary threads which are formed on the outer circumferential surface of the body, wherein the outer diameter of the auxiliary threads is 92ˆ¼97% the outer diameter of the main threads, the angle of the front flank surfaces of the main threads and the auxiliary threads is in the range of 12±3 degrees, the angle of the rear flank surfaces of the main threads is in the range of 25±3 degrees, the angle of the rear flank surfaces of the auxiliary threads is in the range of 20±3 degrees, and intervals between a first pitch from the main thread to the auxiliary thread and a second pitch from the auxiliary thread to the next main threads have a difference in the range of ±10-20%. The present invention also provides a coupling method using the same.

    Abstract translation: 本发明涉及一种通过机加工内螺纹来连接的自攻螺钉，更具体地说，涉及一种通用自攻螺钉，其可用于诸如合成树脂等的所有注模物体，柔性金属和硬质 金属。 本发明提供了一种通用自攻螺钉，其是具有圆柱体的双线螺钉，以及形成在本体的外圆周表面上的主螺纹和辅助螺纹，其中辅助螺纹的外径是92/97° 主螺纹的外径，主螺纹和辅助螺纹的前侧面的角度在12±3度的范围内，主螺纹的后侧面的角度在 25±3度，辅助螺纹的后侧表面的角度在20±3度的范围内，以及从主螺纹到辅助螺纹的第一螺距与从辅助螺纹到辅助螺纹的第二螺距之间的间隔 接下来的主线在±10-20％的范围内有所不同。 本发明还提供一种使用其的耦合方法。

    PLASMA ARC TORCH AND METHOD FOR ASSEMBLING AND DISASSEMBLING A PLASMA ARC TORCH
    9.
    发明公开
    PLASMA ARC TORCH AND METHOD FOR ASSEMBLING AND DISASSEMBLING A PLASMA ARC TORCH 有权
    等离子电弧切割和装配和拆卸程序对等离子弧焊枪

    公开(公告)号：EP3068572A4

    公开(公告)日：2017-04-05

    申请号：EP14862600

    申请日：2014-10-30

    Applicant: THE ESAB GROUP INC

    Inventor： SEVERANCE WAYNE STANLEY

    IPC: B23K10/00 ,  B23K9/00 ,  B23K9/26 ,  H05H1/34

    CPC classification number: H05H1/34 ,  H05H2001/3436 ,  H05H2001/3442 ,  H05H2001/3457 ,  Y10T29/49963

    Abstract: A front end assembly for a plasma torch and methods for assembling and disassembling a torch wherein a plurality of front end parts form a unit that is removable from, and installable in, the torch in a single operation without a special fixture. The front end assembly includes a nozzle retaining cup body connectable to a body of the torch, and a forward end connectable to a shield retainer. A nozzle retaining cup insert fits into the nozzle retaining cup body. The shield retainer has an inner surface for retaining the shield. A nozzle is received within the nozzle retaining cup insert. A stop on the nozzle engages the nozzle retaining cup insert when the front end assembly is removed from the torch so the nozzle does not remain in the torch. The shield engages an insulator, which engages the nozzle, to limit forward axial movement of the nozzle.

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