DE20004180U1 - Screw with cutting teeth formed on the thread - Google Patents

Screw with cutting teeth formed on the thread

Info

Publication number
DE20004180U1
DE20004180U1 DE20004180U DE20004180U DE20004180U1 DE 20004180 U1 DE20004180 U1 DE 20004180U1 DE 20004180 U DE20004180 U DE 20004180U DE 20004180 U DE20004180 U DE 20004180U DE 20004180 U1 DE20004180 U1 DE 20004180U1
Authority
DE
Germany
Prior art keywords
thread
screw
section
cutting
straight section
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
DE20004180U
Other languages
German (de)
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.)
Individual
Original Assignee
Individual
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 to GB0004231A priority Critical patent/GB2359603B/en
Application filed by Individual filed Critical Individual
Priority to DE20004180U priority patent/DE20004180U1/en
Publication of DE20004180U1 publication Critical patent/DE20004180U1/en
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
    • F16B25/0052—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
    • F16B25/001—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
    • F16B25/0015—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 soft organic material, e.g. wood or plastic
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Forging (AREA)
  • Transmission Devices (AREA)
  • Connection Of Plates (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (4)

1. Schraube,
gekennzeichnet durch
einen geraden Abschnitt (24) und einen Einschraubabschnitt (21), der in Richtung zu einer Spitze verjüngt ist, wobei der Einschraubabschnitt (21) ein Schneidgewinde (22) besitzt, das mit dem Gewinde (25) des geraden Ab­ schnitts (24) verbunden ist, wobei das Schneidgewinde (22) mehrere darauf angeordnete beabstandete Schneidzähne (23) besitzt.1.screw,
marked by
a straight section ( 24 ) and a screw-in section ( 21 ) which is tapered towards a tip, the screw-in section ( 21 ) having a cutting thread ( 22 ) which is connected to the thread ( 25 ) of the straight section ( 24 ) , the cutting thread ( 22 ) having a plurality of spaced cutting teeth ( 23 ) arranged thereon. 2. Schraube nach Anspruch 1, dadurch gekennzeichnet, daß das Schneidgewinde (22) einen Durchmesser besitzt, der wenigstens etwas kleiner ist als der Durchmesser des Gewindes (25) des geraden Ab­ schnitts (24).2. Screw according to claim 1, characterized in that the cutting thread ( 22 ) has a diameter which is at least somewhat smaller than the diameter of the thread ( 25 ) of the straight section ( 24 ). 3. Schraube, gekennzeichnet durch einen geraden Abschnitt (24) und einen Einschraubabschnitt (21), wobei der gerade Abschnitt (24) ein darauf ausgebildetes Spiralgewinde (25) besitzt, der Einschraubabschnitt (21) in Richtung zu einer Spitze der Schraube ver­ jüngt ist und ein kontinuierliches Schneidgewinde (22) besitzt, das sich durch­ gehend vom Spiralgewinde (25) des geraden Abschnitts (24) ausgehend er­ streckt, und wobei das kontinuierliche Schneidgewinde (11) mehrere daraus am Außenumfang ausgebildete Schneidzähne (23) besitzt.3. Screw, characterized by a straight section ( 24 ) and a screw-in section ( 21 ), the straight section ( 24 ) having a spiral thread ( 25 ) formed thereon, the screw-in section ( 21 ) is tapered in the direction of a tip of the screw and has a continuous cutting thread ( 22 ) which extends continuously from the spiral thread ( 25 ) of the straight section ( 24 ), and wherein the continuous cutting thread ( 11 ) has a plurality of cutting teeth ( 23 ) formed therefrom on the outer circumference. 4. Schraube nach Anspruch 1, dadurch gekennzeichnet, daß das Schneidgewinde (22) eine erste vorgegebene Höhe besitzt, das Ge­ winde (25) des geraden Abschnitts (24) eine zweite vorgegebene Höhe besitzt, und wobei die erste vorgegebene Höhe 3/4 der zweiten vorgegebenen Höhe beträgt.4. A screw according to claim 1, characterized in that the cutting thread (22) has a first predetermined height, the Ge thread (25) of the straight portion (24) having a second predetermined height, and wherein the first predetermined height 3/4 second predetermined amount.
DE20004180U 2000-02-24 2000-03-06 Screw with cutting teeth formed on the thread Expired - Lifetime DE20004180U1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0004231A GB2359603B (en) 2000-02-24 2000-02-24 A screw having cutting teeth formed on threads thereof
DE20004180U DE20004180U1 (en) 2000-02-24 2000-03-06 Screw with cutting teeth formed on the thread

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0004231A GB2359603B (en) 2000-02-24 2000-02-24 A screw having cutting teeth formed on threads thereof
DE20004180U DE20004180U1 (en) 2000-02-24 2000-03-06 Screw with cutting teeth formed on the thread

Publications (1)

Publication Number Publication Date
DE20004180U1 true DE20004180U1 (en) 2000-05-18

Family

ID=26056124

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20004180U Expired - Lifetime DE20004180U1 (en) 2000-02-24 2000-03-06 Screw with cutting teeth formed on the thread

Country Status (2)

Country Link
DE (1) DE20004180U1 (en)
GB (1) GB2359603B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK1881209T3 (en) * 2006-07-20 2009-02-09 Kuo-Tai Hsu Wooden screw with cutting teeth on screw threads and gaps in the shaft
BE1023662B1 (en) 2015-12-08 2017-06-09 Pgb-Asia Limited IMPROVED WOOD SCREW
US9957994B2 (en) 2016-05-25 2018-05-01 Kuo-Tai Hsu Screw
LT3249244T (en) * 2016-05-27 2019-05-27 Kuo-Tai Hsu Screw
DE202016106770U1 (en) 2016-12-06 2016-12-23 Pgb-International Nv Improved wood screw

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8905189U1 (en) * 1989-04-25 1989-06-15 Rommel, Erwin, 4320 Hattingen, De
DE8915011U1 (en) * 1989-12-21 1990-02-01 Ludwig Hettich Schraubenfabrik Gmbh & Co, 7230 Schramberg, De
DE29705916U1 (en) * 1997-04-03 1998-07-30 Az Ausruest Zubehoer Gmbh Self-piercing and thread-forming connecting element

Also Published As

Publication number Publication date
GB2359603A (en) 2001-08-29
GB0004231D0 (en) 2000-04-12
GB2359603B (en) 2003-06-18

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000621

R150 Term of protection extended to 6 years

Effective date: 20030527

R151 Term of protection extended to 8 years

Effective date: 20060519

R152 Term of protection extended to 10 years

Effective date: 20080520

R071 Expiry of right