DE3470467D1 - Method of making screws and dies therefor - Google Patents

Method of making screws and dies therefor

Info

Publication number
DE3470467D1
DE3470467D1 DE8484110615T DE3470467T DE3470467D1 DE 3470467 D1 DE3470467 D1 DE 3470467D1 DE 8484110615 T DE8484110615 T DE 8484110615T DE 3470467 T DE3470467 T DE 3470467T DE 3470467 D1 DE3470467 D1 DE 3470467D1
Authority
DE
Germany
Prior art keywords
dies
blank
section
rolled
thread
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8484110615T
Other languages
English (en)
Inventor
Rudolf Webendorfer
Hubert Taubert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Conti Fasteners AG
Original Assignee
Conti Fasteners AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Conti Fasteners AG filed Critical Conti Fasteners AG
Priority to DE8484110615T priority Critical patent/DE3470467D1/de
Application granted granted Critical
Publication of DE3470467D1 publication Critical patent/DE3470467D1/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B21H3/025—Rolling locking screws

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Ropes Or Cables (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Catalysts (AREA)
DE8484110615T 1983-09-09 1984-09-06 Method of making screws and dies therefor Expired DE3470467D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8484110615T DE3470467D1 (en) 1983-09-09 1984-09-06 Method of making screws and dies therefor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833332570 DE3332570A1 (de) 1983-09-09 1983-09-09 Verfahren zur herstellung von selbstformenden und selbstsichernden schrauben mit zusaetzlicher abdicht- und/oder stell-eigenschaft
DE8484110615T DE3470467D1 (en) 1983-09-09 1984-09-06 Method of making screws and dies therefor

Publications (1)

Publication Number Publication Date
DE3470467D1 true DE3470467D1 (en) 1988-05-26

Family

ID=6208646

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19833332570 Withdrawn DE3332570A1 (de) 1983-09-09 1983-09-09 Verfahren zur herstellung von selbstformenden und selbstsichernden schrauben mit zusaetzlicher abdicht- und/oder stell-eigenschaft
DE8484110615T Expired DE3470467D1 (en) 1983-09-09 1984-09-06 Method of making screws and dies therefor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19833332570 Withdrawn DE3332570A1 (de) 1983-09-09 1983-09-09 Verfahren zur herstellung von selbstformenden und selbstsichernden schrauben mit zusaetzlicher abdicht- und/oder stell-eigenschaft

Country Status (8)

Country Link
US (1) US4561277A (de)
EP (1) EP0139195B1 (de)
JP (1) JPS6072631A (de)
AT (1) ATE33568T1 (de)
AU (1) AU3282784A (de)
BR (1) BR8404499A (de)
DE (2) DE3332570A1 (de)
ES (1) ES8505271A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4015771A1 (de) * 1990-05-16 1991-11-28 Sfs Stadler Holding Ag Gewindefurchende schraube
US5943904A (en) * 1995-03-08 1999-08-31 Ingersoll Cutting Tool Company Thread-rolling die
JP3046746B2 (ja) * 1995-06-14 2000-05-29 ミネベア株式会社 ねじ及びねじの製造方法
US6089806A (en) * 1999-01-25 2000-07-18 Conti Fasteners Blank for self-tapping fastener
JP3604325B2 (ja) * 2000-05-26 2004-12-22 オーエスジー株式会社 棒先付きねじ用転造ダイス
US20050200041A1 (en) * 2001-02-15 2005-09-15 Integral Technologies, Inc. Low cost hardware manufactured from conductive loaded resin-based materials
US20050200136A1 (en) * 2001-02-15 2005-09-15 Integral Technologies, Inc. Low cost hardware manufactured from conductive loaded resin-based materials
SE522125C2 (sv) * 2001-05-22 2004-01-13 Sandvik Ab Gängverktyg med ringformig kam
US6494656B1 (en) * 2001-09-13 2002-12-17 Conti Fasteners Ag Self-tapping screw, blank and method for joining thin workpieces and production method for the same
DE102005056119A1 (de) * 2005-11-27 2007-05-24 Zipprich, Holger, Dipl.-Ing. Temporäre Schraube für kieferorthopädische Anwendung mit gesteigerter Festigkeit im Knochen
DE102007004970A1 (de) 2007-01-26 2008-08-07 Eska Automotive Gmbh Gewindefurchende Schraube
ITPV20100004A1 (it) * 2010-03-11 2011-09-12 Carlo Vittorio Sala Filettatura antisvito e relativa matrice di stampaggio, per la formazione del filetto nella madrevite, tramite una tecnica di laminazione meccanica senza asportazione di materiale
DE102010043589A1 (de) * 2010-11-08 2012-05-10 Baier & Michels Gmbh & Co. Kg Gewindeerzeugende Mutter, Rohteil zur Herstellung der Mutter und Schraubverbindung aus Mutter und Bolzen
DE102011078686A1 (de) * 2011-07-05 2012-04-05 Baier & Michels Gmbh & Co. Kg Gewindeformende Schraube und Schraubverbindung sowie Rohling zur Herstellung der Schraube
AT12729U3 (de) * 2012-04-24 2013-09-15 Nedschroef Fraulautern Gmbh Schraube
DE202012009121U1 (de) 2012-09-21 2012-11-12 Markus Rensburg Trilobulare Schraube
DE102014014086A1 (de) * 2014-09-23 2016-03-24 Gm Global Technology Operations, Llc Schraube und Schraubenanordnung
DE102017103073B4 (de) 2017-02-15 2022-08-11 Hieber & Maier GmbH Werkzeug zum Gewindewalzen einer gewindeformenden Schraube, Verfahren zum Herstellen einer lochformenden und/oder gewindeformenden Schraube, sowie eine gewindeformende und/oder lochformende Schraube

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA794096A (en) * 1968-09-10 Harvey F. Phipard, Jr. Apparatus for manufacturing self-tapping threaded fasteners
US3180126A (en) * 1962-11-14 1965-04-27 Textron Ind Inc Self-tapping screw and method of manufacture
NL6408951A (de) * 1965-02-08 1966-02-07
US3530920A (en) * 1968-05-23 1970-09-29 Usm Corp Self-locking threaded fasteners
US3681963A (en) * 1970-01-19 1972-08-08 Res Eng & Mfg Self-thread forming threaded fasteners and method and apparatus for making the same
US3772720A (en) * 1970-04-11 1973-11-20 Res Engine Manuf Inc Method for making a thread forming member
US3875780A (en) * 1974-01-03 1975-04-08 Rockford Headed Products Method of making a thread forming screw
US4040328A (en) * 1976-03-10 1977-08-09 Research Engineering & Manufacturing, Inc. Thread-forming fastener having dual lobulation and dies for making the same
US4194430A (en) * 1978-05-05 1980-03-25 Research Engineering & Manufacturing, Inc. Thread-forming screw with step taper
US4170050A (en) * 1978-06-07 1979-10-09 Groov-Pin Corporation Method of making lobular internally and externally threaded insert
US4315340A (en) * 1978-08-17 1982-02-16 Veldman Donald R Method and apparatus for making a self-thread creating fastener
DE2929008A1 (de) * 1979-07-18 1981-02-05 Groov Pin Corp Verfahren zur herstellung von lobulaeren einsatzstuecken mit innen- und aussengewinde
US4353233A (en) * 1981-01-29 1982-10-12 Amca International Corporation Dies for making thread-forming fasteners

Also Published As

Publication number Publication date
EP0139195B1 (de) 1988-04-20
BR8404499A (pt) 1985-08-06
DE3332570A1 (de) 1985-03-28
JPS6072631A (ja) 1985-04-24
US4561277A (en) 1985-12-31
EP0139195A1 (de) 1985-05-02
ES535744A0 (es) 1985-05-16
ES8505271A1 (es) 1985-05-16
AU3282784A (en) 1985-03-14
ATE33568T1 (de) 1988-05-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition