DE29812526U1 - Gewindeformende Schraube - Google Patents

Gewindeformende Schraube

Info

Publication number
DE29812526U1
DE29812526U1 DE29812526U DE29812526U DE29812526U1 DE 29812526 U1 DE29812526 U1 DE 29812526U1 DE 29812526 U DE29812526 U DE 29812526U DE 29812526 U DE29812526 U DE 29812526U DE 29812526 U1 DE29812526 U1 DE 29812526U1
Authority
DE
Germany
Prior art keywords
thread
screw
approximately
screw shaft
degrees
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 - Lifetime
Application number
DE29812526U
Other languages
English (en)
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.)
Fischerwerke GmbH and Co KG
Original Assignee
Fischerwerke Artur Fischer GmbH and Co KG
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 Fischerwerke Artur Fischer GmbH and Co KG filed Critical Fischerwerke Artur Fischer GmbH and Co KG
Priority to DE29812526U priority Critical patent/DE29812526U1/de
Publication of DE29812526U1 publication Critical patent/DE29812526U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F16B25/0073—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
    • 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

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt

Claims (4)

1. Gewindeformende Schraube zum Einschrauben in harte Vollbaustoffe wie Beton, Mauerwerk oder dgl. mit Schraubenkopf und einem eine kegelförmige Zuspitzung aufweisenden Schraubenschaft, auf dem ein von der Zuspitzung ausgehendes und zumindest über einen Teil der Länge des Schraubenschaftes sich erstrecken­ des Gewinde angeordnet ist, dadurch gekennzeichnet, daß das Gewinde (4) ein Trapezgewinde mit einem Flankenwinkel (α) zwischen 4 Grad und 8 Grad ist, daß die Steigung (s) des Gewindes (4) annähernd dem Kerndurchmesser (d) des Schraubenschaftes (3) entspricht, und daß das Gewinde (4) von seiner maximalen Flankenhöhe (h) auf der Zuspitzung (7) annähernd in einem Gewindegang ausläuft.
2. Schraube nach Anspruch 1, dadurch gekennzeichnet, daß sich das Gewinde (4) annähernd über zwei Drittel des Schraubenschaftes (3) erstreckt.
3. Schraube nach Anspruch 1, dadurch gekennzeichnet, daß der Schrauben­ schaft (3) im Bereich des Gewindes (4) und die Außenfläche des Gewindes im wesentlichen zylindrisch ausgebildet sind.
4. Schraube nach Anspruch 1, dadurch gekennzeichnet, daß die Flankenhöhe (h) des Gewindes (4) annähernd ein Fünftel des Kerndurchmessers (d) beträgt, der etwa ein Zehntel kleiner ist als der Nenndurchmesser einer zugehörigen Bohrung (6).
DE29812526U 1998-07-14 1998-07-14 Gewindeformende Schraube Expired - Lifetime DE29812526U1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29812526U DE29812526U1 (de) 1998-07-14 1998-07-14 Gewindeformende Schraube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29812526U DE29812526U1 (de) 1998-07-14 1998-07-14 Gewindeformende Schraube

Publications (1)

Publication Number Publication Date
DE29812526U1 true DE29812526U1 (de) 1999-11-25

Family

ID=8059848

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29812526U Expired - Lifetime DE29812526U1 (de) 1998-07-14 1998-07-14 Gewindeformende Schraube

Country Status (1)

Country Link
DE (1) DE29812526U1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1233194A2 (de) * 2001-02-19 2002-08-21 HILTI Aktiengesellschaft Betonschraube
WO2005042987A1 (de) * 2003-10-30 2005-05-12 Adolf Würth GmbH & Co. KG Befestigungselement
DE102005058391A1 (de) * 2005-12-07 2007-06-14 Fischerwerke Artur Fischer Gmbh & Co. Kg Gewindeschneidende Schraube, insbesondere Betonschraube
EP2292939A3 (de) * 2009-09-07 2012-02-29 SWG Schraubenwerk Gaisbach GmbH Betonschraube

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2096937A (en) * 1936-01-14 1937-10-26 Edward J Mcmanus Thread-cutting fastener
FR2378198A1 (fr) * 1977-01-20 1978-08-18 Tardieu Andre Vis a sol
EP0433484A1 (de) * 1989-12-21 1991-06-26 LUDWIG HETTICH SCHRAUBENFABRIK GmbH & Co. Gewindeformende Schraube
DE29704226U1 (de) * 1996-07-29 1997-05-28 Toge Duebel A Gerhard Kg Selbstschneidende Schraube, insbesondere Betonschraube
FR2749890A3 (fr) * 1996-06-14 1997-12-19 Chu Yung Chang Vis a filetage coupant

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2096937A (en) * 1936-01-14 1937-10-26 Edward J Mcmanus Thread-cutting fastener
FR2378198A1 (fr) * 1977-01-20 1978-08-18 Tardieu Andre Vis a sol
EP0433484A1 (de) * 1989-12-21 1991-06-26 LUDWIG HETTICH SCHRAUBENFABRIK GmbH & Co. Gewindeformende Schraube
FR2749890A3 (fr) * 1996-06-14 1997-12-19 Chu Yung Chang Vis a filetage coupant
DE29704226U1 (de) * 1996-07-29 1997-05-28 Toge Duebel A Gerhard Kg Selbstschneidende Schraube, insbesondere Betonschraube

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1233194A2 (de) * 2001-02-19 2002-08-21 HILTI Aktiengesellschaft Betonschraube
EP1233194A3 (de) * 2001-02-19 2002-11-06 HILTI Aktiengesellschaft Betonschraube
WO2005042987A1 (de) * 2003-10-30 2005-05-12 Adolf Würth GmbH & Co. KG Befestigungselement
DE10351884A1 (de) * 2003-10-30 2005-06-02 Adolf Würth GmbH & Co. KG Befestigungselement
CN100497970C (zh) * 2003-10-30 2009-06-10 阿道夫维尔特股份有限公司 固定件的用途
DE102005058391A1 (de) * 2005-12-07 2007-06-14 Fischerwerke Artur Fischer Gmbh & Co. Kg Gewindeschneidende Schraube, insbesondere Betonschraube
EP2292939A3 (de) * 2009-09-07 2012-02-29 SWG Schraubenwerk Gaisbach GmbH Betonschraube

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Legal Events

Date Code Title Description
R163 Identified publications notified
R207 Utility model specification

Effective date: 19991230

R150 Term of protection extended to 6 years

Effective date: 20010517

R151 Term of protection extended to 8 years

Effective date: 20040604

R152 Term of protection extended to 10 years

Effective date: 20060503

R081 Change of applicant/patentee

Owner name: FISCHERWERKE GMBH & CO. KG, DE

Free format text: FORMER OWNER: FISCHERWERKE ARTUR FISCHER GMBH & CO. KG, 72178 WALDACHTAL, DE

Effective date: 20080319

R071 Expiry of right