AU7438898A - Threaded fastener, method of making a threaded fastener and rolling dies for making a threaded fastener - Google Patents

Threaded fastener, method of making a threaded fastener and rolling dies for making a threaded fastener

Info

Publication number
AU7438898A
AU7438898A AU74388/98A AU7438898A AU7438898A AU 7438898 A AU7438898 A AU 7438898A AU 74388/98 A AU74388/98 A AU 74388/98A AU 7438898 A AU7438898 A AU 7438898A AU 7438898 A AU7438898 A AU 7438898A
Authority
AU
Australia
Prior art keywords
threaded fastener
making
rolling dies
fastener
threaded
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.)
Abandoned
Application number
AU74388/98A
Inventor
Melvin Douglas Jackson
Ali Akdar Pasalar
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.)
EUROPEAN INDUSTRIAL SERVICES Ltd
Original Assignee
EUROP IND SERVICES Ltd
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 EUROP IND SERVICES Ltd filed Critical EUROP IND SERVICES Ltd
Publication of AU7438898A publication Critical patent/AU7438898A/en
Abandoned legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0042—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw
    • F16B25/0057—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw the screw having distinct axial zones, e.g. multiple axial thread sections with different pitch or thread cross-sections
    • 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
    • B21H3/06—Making by means of profiled members other than rolls, e.g. reciprocating flat dies or jaws, moved longitudinally or curvilinearly with respect to each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0042—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw
    • F16B25/0068—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw with multiple-threads, e.g. a double thread screws
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0042—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw
    • F16B25/0073—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw characterised by its pitch, e.g. a varying pitch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/10—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws
    • F16B25/106—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws by means of a self-piercing screw-point, i.e. without removing material

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Forging (AREA)
AU74388/98A 1997-05-14 1998-05-13 Threaded fastener, method of making a threaded fastener and rolling dies for making a threaded fastener Abandoned AU7438898A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9709669 1997-05-14
GB9709669A GB2325288A (en) 1997-05-14 1997-05-14 Threaded fastener, and method and rolling dies for making it
PCT/GB1998/001360 WO1998051933A1 (en) 1997-05-14 1998-05-13 Threaded fastener, method of making a threaded fastener and rolling dies for making a threaded fastener

Publications (1)

Publication Number Publication Date
AU7438898A true AU7438898A (en) 1998-12-08

Family

ID=10812218

Family Applications (1)

Application Number Title Priority Date Filing Date
AU74388/98A Abandoned AU7438898A (en) 1997-05-14 1998-05-13 Threaded fastener, method of making a threaded fastener and rolling dies for making a threaded fastener

Country Status (4)

Country Link
EP (1) EP0981692A1 (en)
AU (1) AU7438898A (en)
GB (1) GB2325288A (en)
WO (1) WO1998051933A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7458759B2 (en) 2002-12-18 2008-12-02 Illinois Tool Works Inc. Threaded fastener with dual reinforcing leads for facilitating manufacture of the fastener, thread rolling die for forming the threaded fastener, and method of manufacturing the threaded fastener
AU2003270953B2 (en) * 2002-12-18 2006-07-06 Illinois Tool Works Inc. Threaded fastener with dual reinforcing leads and improved substrate entry or lead end portion
CN112024797A (en) * 2020-08-31 2020-12-04 海盐于城诚鑫标准件有限公司 Double-station thread rolling machine

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE343863A (en) * 1927-06-24
GB646084A (en) * 1939-08-17 1950-11-15 New Process Screw Corp An improved method and apparatus for making screws
GB662641A (en) * 1941-08-06 1951-12-12 New Process Screw Corp Improvements in or relating to screws and their method of manufacture
GB808165A (en) * 1957-03-25 1959-01-28 Robertson Mfg Co Improvements in wood screws and their manufacture
GB1048671A (en) * 1962-04-16 1966-11-16 Res Eng & Mfg Improvements in self-tapping screws and in the manufacture thereof
US3263473A (en) * 1964-03-12 1966-08-02 Res Engineering And Mfg Inc Method and apparatus for making threaded fasteners
US3748949A (en) * 1971-10-19 1973-07-31 Robertson Manuf Co Ltd Thread system
US4027573A (en) * 1975-06-20 1977-06-07 Interior Fasteners, Inc. Self-tapping screw fastener with improved thread construction
JPS53104060A (en) * 1977-02-23 1978-09-09 Yamashina Seikoushiyo Kk Selffextruding fastener
US4194430A (en) * 1978-05-05 1980-03-25 Research Engineering & Manufacturing, Inc. Thread-forming screw with step taper
EP0161250A1 (en) * 1982-12-17 1985-11-21 GKN SCREWS & FASTENERS LIMITED A screw
DE3335092C2 (en) * 1983-09-28 1985-08-08 Rommel, Erwin, 4320 Hattingen Thread forming screw
JPS60179512A (en) * 1984-02-24 1985-09-13 株式会社ヤマヒロ Self-drilling screw and its casting die
US4905923A (en) * 1988-03-25 1990-03-06 Dudley Lawrence T Dispenser tube holder
US5304024A (en) * 1991-03-18 1994-04-19 Adolf Wurth Gmbh & Co. Kg Screw, method and rolling die for the production thereof

Also Published As

Publication number Publication date
GB2325288A (en) 1998-11-18
EP0981692A1 (en) 2000-03-01
WO1998051933A1 (en) 1998-11-19
GB9709669D0 (en) 1997-07-02

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase