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EP0958072A4 - Improvements relating to screws and threadforms - Google Patents

Improvements relating to screws and threadforms

Info

Publication number
EP0958072A4
EP0958072A4 EP98952439A EP98952439A EP0958072A4 EP 0958072 A4 EP0958072 A4 EP 0958072A4 EP 98952439 A EP98952439 A EP 98952439A EP 98952439 A EP98952439 A EP 98952439A EP 0958072 A4 EP0958072 A4 EP 0958072A4
Authority
EP
European Patent Office
Prior art keywords
threadforms
screws
improvements relating
relating
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.)
Withdrawn
Application number
EP98952439A
Other languages
German (de)
French (fr)
Other versions
EP0958072A1 (en
Inventor
Fotios Papafotiou
David Ian Kershaw
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.)
Ajax Cooke Pty Ltd
Original Assignee
Ajax Cooke Pty 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
Priority claimed from AUPP0264A external-priority patent/AUPP026497A0/en
Priority claimed from AUPP0265A external-priority patent/AUPP026597A0/en
Priority claimed from AUPP4362A external-priority patent/AUPP436298A0/en
Application filed by Ajax Cooke Pty Ltd filed Critical Ajax Cooke Pty Ltd
Publication of EP0958072A1 publication Critical patent/EP0958072A1/en
Publication of EP0958072A4 publication Critical patent/EP0958072A4/en
Withdrawn legal-status Critical Current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
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
    • E01B9/04—Fastening on wooden or concrete sleepers or on masonry without clamp members
    • E01B9/10—Screws or bolts for sleepers
    • 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
    • F16B33/00—Features common to bolt and nut
    • F16B33/02—Shape of thread; Special thread-forms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forging (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
EP98952439A 1997-11-10 1998-11-10 Improvements relating to screws and threadforms Withdrawn EP0958072A4 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
AUPP0264A AUPP026497A0 (en) 1997-11-10 1997-11-10 Wavelike thread form
AUPP026597 1997-11-10
AUPP0265A AUPP026597A0 (en) 1997-11-10 1997-11-10 Rail fastener for wooden sleepers
AUPP026497 1997-11-10
AUPP436298 1998-06-26
AUPP4362A AUPP436298A0 (en) 1998-06-26 1998-06-26 Improvements relating to screws and threadforms
PCT/AU1998/000933 WO1999024191A1 (en) 1997-11-10 1998-11-10 Improvements relating to screws and threadforms

Publications (2)

Publication Number Publication Date
EP0958072A1 EP0958072A1 (en) 1999-11-24
EP0958072A4 true EP0958072A4 (en) 2010-06-30

Family

ID=27158053

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98952439A Withdrawn EP0958072A4 (en) 1997-11-10 1998-11-10 Improvements relating to screws and threadforms

Country Status (4)

Country Link
EP (1) EP0958072A4 (en)
CA (1) CA2277476C (en)
NZ (1) NZ336714A (en)
WO (1) WO1999024191A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1013335C2 (en) * 1999-10-19 2001-04-23 Nigtevecht Beheer B V Track laying method, using screws fitted into threaded sleeves in rails to set track at desired height
CN102068305B (en) 2009-11-20 2016-01-20 上海微创骨科医疗科技有限公司 Bone screw
CA2707410C (en) 2010-06-10 2013-09-24 Walther, Uli Screw with dual edge on thread
DE102011078256A1 (en) 2011-06-29 2013-01-03 Hilti Aktiengesellschaft Screw and method of making a screw thread
RU175953U1 (en) * 2017-05-02 2017-12-25 Дмитрий Витальевич Гвидонский FASTENING DEVICE FOR INTERMEDIATE RAIL FASTENING
RU207161U1 (en) * 2021-05-12 2021-10-14 Публичное акционерное общество «Северсталь» (ПАО «Северсталь») Rail fastening screw

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US422307A (en) * 1890-02-25 libbey
US2656740A (en) * 1950-11-20 1953-10-27 Emma G Bedker Method of making thread cutting taps
US3207023A (en) * 1961-12-01 1965-09-21 Illinois Tool Works Screw fastener
WO1979000280A1 (en) * 1977-11-04 1979-05-31 Y Tomoyasu Self-locking screw
EP0682187A2 (en) * 1994-04-13 1995-11-15 RICHARD BERGNER GMBH & CO Method of manufacturing a screw and screw blank for this method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB548516A (en) * 1941-08-29 1942-10-13 Illinois Tool Works Improvements in screws
US4046051A (en) * 1974-11-14 1977-09-06 Industrial Fasteners Corporation Thread forming screw
US4144795A (en) * 1977-10-20 1979-03-20 Gutshall Charles E Long-pitch re-rolled crest thread

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US422307A (en) * 1890-02-25 libbey
US2656740A (en) * 1950-11-20 1953-10-27 Emma G Bedker Method of making thread cutting taps
US3207023A (en) * 1961-12-01 1965-09-21 Illinois Tool Works Screw fastener
WO1979000280A1 (en) * 1977-11-04 1979-05-31 Y Tomoyasu Self-locking screw
EP0682187A2 (en) * 1994-04-13 1995-11-15 RICHARD BERGNER GMBH & CO Method of manufacturing a screw and screw blank for this method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9924191A1 *

Also Published As

Publication number Publication date
WO1999024191A1 (en) 1999-05-20
EP0958072A1 (en) 1999-11-24
NZ336714A (en) 2001-03-30
CA2277476A1 (en) 1999-05-20
CA2277476C (en) 2009-01-13

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19990727

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: REID CONSTRUCTION SYSTEMS PTY. LTD.

Owner name: AJAX COOKE PTY LTD.

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: AJAX COOKE PTY LTD.

A4 Supplementary search report drawn up and despatched

Effective date: 20100602

17Q First examination report despatched

Effective date: 20100930

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20110211