EP4720531A1 - Schraube mit wurzel- und crestverzahnungen - Google Patents

Schraube mit wurzel- und crestverzahnungen

Info

Publication number
EP4720531A1
EP4720531A1 EP24725861.9A EP24725861A EP4720531A1 EP 4720531 A1 EP4720531 A1 EP 4720531A1 EP 24725861 A EP24725861 A EP 24725861A EP 4720531 A1 EP4720531 A1 EP 4720531A1
Authority
EP
European Patent Office
Prior art keywords
shaft
serration
root
helix element
screw
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.)
Pending
Application number
EP24725861.9A
Other languages
English (en)
French (fr)
Inventor
Zachary Goodwin
Peter Gstach
Matteo Spampatti
Mathias Strouf
Christian Gebauer
Guenter Domani
Frederic Pol
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.)
Hilti AG
Original Assignee
Hilti 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 Hilti AG filed Critical Hilti AG
Publication of EP4720531A1 publication Critical patent/EP4720531A1/de
Pending 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
    • F16B25/001—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed
    • F16B25/0026—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed the material being a hard non-organic material, e.g. stone, concrete or drywall
    • 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
    • F16B25/0047—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 ridge being characterised by its cross-section in the plane of the shaft axis
    • 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
    • F16B25/0052—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 ridge having indentations, notches or the like in order to improve the cutting behaviour
    • 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
    • F16B25/0094—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw the screw being assembled or manufactured from several components, e.g. a tip out of a first material welded to shaft of a second material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G9/00—Working screws, bolt heads, or nuts in conjunction with thread cutting, e.g. slotting screw heads or shanks, removing burrs from screw heads or shanks; Finishing, e.g. polishing, any screw-thread
    • B23G9/001—Working screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Forging (AREA)
EP24725861.9A 2023-05-26 2024-05-13 Schraube mit wurzel- und crestverzahnungen Pending EP4720531A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP23175608.1A EP4467823A1 (de) 2023-05-26 2023-05-26 Schraube mit wurzel- und crestverzahnungen
PCT/EP2024/063020 WO2024245720A1 (en) 2023-05-26 2024-05-13 Screw comprising root and crest serrations

Publications (1)

Publication Number Publication Date
EP4720531A1 true EP4720531A1 (de) 2026-04-08

Family

ID=86604950

Family Applications (2)

Application Number Title Priority Date Filing Date
EP23175608.1A Withdrawn EP4467823A1 (de) 2023-05-26 2023-05-26 Schraube mit wurzel- und crestverzahnungen
EP24725861.9A Pending EP4720531A1 (de) 2023-05-26 2024-05-13 Schraube mit wurzel- und crestverzahnungen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP23175608.1A Withdrawn EP4467823A1 (de) 2023-05-26 2023-05-26 Schraube mit wurzel- und crestverzahnungen

Country Status (2)

Country Link
EP (2) EP4467823A1 (de)
WO (1) WO2024245720A1 (de)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8322960B2 (en) * 2009-07-06 2012-12-04 Illinois Tool Works Inc. Threaded concrete anchor
US8747042B2 (en) 2009-11-18 2014-06-10 Simpson Strong-Tie Company, Inc. Fastener with hardened threads
DE102013109987B4 (de) * 2013-09-11 2017-03-23 Ludwig Hettich Holding Gmbh & Co. Kg Wendel für einen Gewindeeinsatz
TWM489214U (en) 2014-07-31 2014-11-01 King Point Enterprise Co Ltd Cement expansion bolt
DE102015120470A1 (de) 2015-11-26 2017-06-01 Fischerwerke Gmbh & Co. Kg Betonschraube
GB2554919B (en) * 2016-10-14 2021-06-23 Liberty Performance Steels Ltd A toothed blade manufacturing apparatus and a method of manufacturing a toothed blade
EP3916245A1 (de) * 2020-05-28 2021-12-01 Hilti Aktiengesellschaft Schraube mit separater gewindewendel und integralem gewindeanfang
EP3916246A1 (de) 2020-05-28 2021-12-01 Hilti Aktiengesellschaft Mittels krallen befestigte separate schraubengewindewendel
US11739783B2 (en) 2021-04-30 2023-08-29 Simpson Strong-Tie Company Inc. Concrete fastener

Also Published As

Publication number Publication date
WO2024245720A1 (en) 2024-12-05
EP4467823A1 (de) 2024-11-27

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