Fastner having multiple-bossed lead
    31.
    发明公开
    Fastner having multiple-bossed lead 有权
    Fastner拥有多重领先优势

    公开(公告)号:EP1270963A1

    公开(公告)日:2003-01-02

    申请号:EP02254272.4

    申请日:2002-06-19

    IPC分类号: F16B25/00 F16B33/02 B21H3/02

    摘要: A threaded fastener includes a lead having bosses separated from one another by bases along the thread crest. Two such leads may be formed such that lead-in profiles for of one lead are disposed at locations corresponding to locations of lead-out profiles for the other lead. The lead-in and lead-out profiles of the bossed, and other features of the bosses and bases may differ from one another along the fastener shank. The boss profiles may be selected to reduce insertion torque and to provide excellent resistance to pullout. The fastener may be formed by roll threading via a tool made by a plunge EDM process.

    摘要翻译: 螺纹紧固件包括具有沿着螺纹牙顶彼此由基部分开的凸起的引线。 两个这样的引线可以形成为使得一个引线的引入轮廓设置在对应于另一个引线的引出轮廓的位置的位置处。 凸起和底座的凸起和引出轮廓可能沿着紧固件柄相互不同。 可以选择凸台轮廓以减小插入扭矩并提供优异的抗拔力。 紧固件可以通过经由通过插入式电火花加工工艺制成的工具的滚动螺纹来形成。

    Rolling dies and method of forming the same
    34.
    发明公开
    Rolling dies and method of forming the same 失效
    滚筒及其形成方法

    公开(公告)号:EP0071844A3

    公开(公告)日:1983-10-12

    申请号:EP82106676

    申请日:1982-07-23

    发明人: Capuano, Terry D.

    IPC分类号: B21H03/02

    CPC分类号: B21H3/027

    摘要: The present invention provides an improved method of forming improved dies for rolling an article, such as a lock thread convolution. The dies are formed by roiling a circular hob along a flank of a thread form ridge on the die. As the hob is rolled along the thread form ridge, teeth on the hob are pressed against the thread form ridge with a constant force to form uniform indentations and/or projections in the thread form ridge. The indentations and/or projections which are formed in the thread form ridge by the hob all have the same configuration since the hob is pressed against the thread form ridge with a force of a constant magnitude as the hob is rolled along the thread form ridge. During the rolling of an external thread convolution on a bolt blank with the improved die, the indentations and/or projections on the thread form ridge shape teeth on the flank of an external thread convolution on the bolt. Since the indentations and/or projections were originally rolled into the thread formed ridges on the die with a circular hob and since the indentations and/or projections on the die roll teeth on a circular bolt blank, the teeth formed on the flank of the external thread convolution have the same configuration as the teeth on the hob.

    摘要翻译: 本发明提供了一种形成用于轧制物品的改进的模具的改进方法,例如锁定螺旋卷积。 模具通过沿模具上的螺纹形式脊的侧面滚动圆弧滚刀而形成。 当滚刀沿着螺纹形状的脊线滚动时,滚刀上的齿以恒定的力压在螺纹形状的脊上,以在螺纹形式的脊中形成均匀的凹陷和/或突起。 通过滚刀形成在螺纹形成脊部的凹陷和/或突起都具有相同的构造,因为当滚刀沿着螺纹形式的脊部滚动时,滚刀以一定大小的力压在螺纹形式的脊上。 在具有改进的模具的螺栓毛坯上的外螺纹卷积的滚动期间,螺纹上的凹陷和/或突起在螺栓上的外螺纹卷曲的侧面上形成脊形齿。 由于压痕和/或突出部分原始地用圆弧形滚轧到模具上的螺纹形成的脊中,并且由于模具上的凹陷和/或突起在圆形螺栓毛坯上滚动齿,所以形成在外部的侧面上的齿 螺旋卷积具有与滚刀上的齿相同的构造。

    SELF-THREAD CREATING FASTENER AND METHOD AND APPARATUS FOR MAKING THE SAME.
    35.
    发明公开
    SELF-THREAD CREATING FASTENER AND METHOD AND APPARATUS FOR MAKING THE SAME. 失效
    攻其生产螺丝和方法和设备。

    公开(公告)号:EP0016206A1

    公开(公告)日:1980-10-01

    申请号:EP79901063

    申请日:1980-03-25

    申请人: VELDMAN DONALD R

    发明人: VELDMAN DONALD R

    IPC分类号: B21H3/02 F16B25/00 B21H3/04

    摘要: Une vis (11) formant son pas de vis presentant un pas helicoidal (18) et une section d'entree conique (14) ayant une section transversale polygonale est formee a partir d'une ebauche conventionnelle (24) par cylindrage de l'ebauche entre une paire de filieres de cylindrage de pas de vis (70) presentant des moyens sur leurs surfaces pour former alternativement des lobes convexes (25) et des zones de decharge concaves (33) a la surface en tronc de cone (28) de l'ebauche. Ainsi la vis peut etre formee avec une extremite de taraudage de forme polygonale sans creer un travail prealable de la surface en forme de cone de l'ebauche (28). Des surfaces courbes de rampes (34) s'intercalent de maniere lisse entre les lobes (25) et les concavites (33) afin de permettre au metal, dans une piece a tarauder, de rouler dans les concavites (33) reduisant ainsi le couple necessaire pour creer un pas de vis dans la piece a travailler.

    SELF-TAPPING SCREW AND METHOD OF MANUFACTURING THE SAME
    36.
    发明公开
    SELF-TAPPING SCREW AND METHOD OF MANUFACTURING THE SAME 审中-公开
    维多利亚州ZER HERSTELLUNG DAVON的SELBSTSCHNEIDENDE SCHRAUBE

    公开(公告)号:EP3064787A1

    公开(公告)日:2016-09-07

    申请号:EP15194574.8

    申请日:2015-11-13

    IPC分类号: F16B25/00

    摘要: A self-tapping screw according to the present invention includes a head (1) and a shank (2) extending from the head. The shank includes a cylindrical shank (2a) immediately below the head and a truncated conical shank (2b) following an end of the cylindrical shank, the cylindrical shank is provided with a plurality of first external threads (3a), the truncated conical shank is provided with a plurality of second external threads (3b) following the first external threads, and a peak of each of the second external threads is provided with a biting surface (4) having a concave-convex form.

    摘要翻译: 根据本发明的自攻螺钉包括头部(1)和从头部延伸的柄部(2)。 柄部包括位于头部正下方的圆柱形柄部(2a)和跟随圆柱形柄部的端部的截头圆锥形柄部(2b),圆柱形柄部设置有多个第一外螺纹(3a),截头圆锥形柄部 设置有沿着所述第一外螺纹的多个第二外螺纹(3b),并且每个所述第二外螺纹的峰部设置有具有凹凸形状的咬入表面(4)。

    Method for manufacturing self-tapping screw with helical chip discharge channel and self-tapping screw
    37.
    发明公开
    Method for manufacturing self-tapping screw with helical chip discharge channel and self-tapping screw 审中-公开
    一种用于制造自攻螺钉用螺旋槽和自攻螺钉的方法

    公开(公告)号:EP2289647A1

    公开(公告)日:2011-03-02

    申请号:EP09169014.9

    申请日:2009-08-31

    申请人: Chao, Ying-Chin

    发明人: Chao, Ying-Chin

    IPC分类号: B21H3/02 F16B25/10

    摘要: Disclosed is a method for manufacturing a screw (4) with helical chip discharge channel, including providing a blank (41), subjecting an end of the blank to form a head (42) and subjecting the blank to rolling to form one or more sections of threads (43). The screw (4) is formed with one or more helical chip discharge channels (442), which can be of different helical angle according the different applications. The chip discharge channel (442) can be formed by milling, rolling, or combined rolling and milling. The chip discharge channel is extended into the threads (43) to form tapping edges. As such, the tapping operation is made effortless and the shape of the tapped thread excellent. The extending angle of the chip discharge channel (442) can be changed according to different materials of the workpiece to be fastened. The length of the chip discharge channel can be selected according to different applications.

    摘要翻译: 本发明公开了一种用于制造螺钉(4)配有螺旋形切屑排出通道,包括:提供坯件(41),在所述坯件的端部进行,以形成一个头部(42)和对所述坯件以滚动的方法,以形成一个或多个部分 的螺纹(43)。 螺钉(4)被形成为与一个或多个螺旋切屑排出通道(442),其可以是不同的螺旋角gemäß不同应用的。 切屑排出通道(442)可以通过铣削来形成,滚动或组合轧制和铣削。 切屑排出通道延伸到螺纹(43),以形成攻丝边缘。 作为测试,攻丝手术由轻松和螺纹螺纹优秀的形状。 切屑排出通道(442)的延伸角度可雅丁于工件的不同材料被紧固被改变。 切屑排出通道的长度可以雅丁到不同的应用程序来选择。

    Verfahren und Vorrichtung zum Herstellen von Bolzenelementen

    公开(公告)号:EP1186360A3

    公开(公告)日:2002-12-18

    申请号:EP01117159.2

    申请日:2001-07-14

    发明人: Wunderlich, Andreas

    IPC分类号: B21H3/02

    CPC分类号: B21H3/027

    摘要: Zur Herstellung eines Bolzenelements mit einem Schaft, der im Bereich seines freien Endes einen verringerten Durchmesser aufweist, wird vorgeschlagen, ausgehend von einem zylindrischen Drahtstift die Reduzierung des vorderen Abschnitts durch einen Walzvorgang herzustellen. Bei einem Bolzenelement mit Gewinde, also beispielsweise einer Schraube, kann das Reduzieren des Durchmessers und das Aufwalzen des Gewindes in einem Vorgang mit Hilfe eines einzigen Walzbackenpaares erfolgen. Das Walzbackenpaar enthält eine Reduzierfläche, mit deren Hilfe die Durchmesserverringerung durchgeführt werden kann.

    摘要翻译: 粗体元素从测量出的圆柱形线销开始产生,其前部通过轧制过程直径减小。 对于螺栓或螺钉,还原和螺纹滚压可以使用具有还原表面(6)的单辊卡爪对(1)在单个工艺中完成,通过该螺纹或螺纹减小直径减小。