DE69013340D1 - Bohrschraube mit zur Kopfseite gekrümmten Schneiden. - Google Patents
Bohrschraube mit zur Kopfseite gekrümmten Schneiden.Info
- Publication number
- DE69013340D1 DE69013340D1 DE69013340T DE69013340T DE69013340D1 DE 69013340 D1 DE69013340 D1 DE 69013340D1 DE 69013340 T DE69013340 T DE 69013340T DE 69013340 T DE69013340 T DE 69013340T DE 69013340 D1 DE69013340 D1 DE 69013340D1
- Authority
- DE
- Germany
- Prior art keywords
- self
- head
- cutting edges
- curved towards
- drilling 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.)
- Expired - Fee Related
Links
- 238000005553 drilling Methods 0.000 title 1
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
- F16B25/0021—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 metal, e.g. sheet-metal or aluminium
-
- 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
- F16B25/0084—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 geometric details of the tip
-
- 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
- F16B25/103—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws by means of a drilling screw-point, i.e. with a cutting and material removing action
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/89—Tool or Tool with support
- Y10T408/909—Having peripherally spaced cutting edges
- Y10T408/9095—Having peripherally spaced cutting edges with axially extending relief channel
- Y10T408/9097—Spiral channel
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2196930A JP2865823B2 (ja) | 1990-07-23 | 1990-07-23 | ドリルねじ |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69013340D1 true DE69013340D1 (de) | 1994-11-17 |
DE69013340T2 DE69013340T2 (de) | 1995-03-23 |
Family
ID=16366029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69013340T Expired - Fee Related DE69013340T2 (de) | 1990-07-23 | 1990-10-30 | Bohrschraube mit zur Kopfseite gekrümmten Schneiden. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5074729A (de) |
EP (1) | EP0468089B1 (de) |
JP (1) | JP2865823B2 (de) |
AU (1) | AU625007B2 (de) |
DE (1) | DE69013340T2 (de) |
FI (1) | FI905509A (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2095230A1 (en) * | 1990-10-29 | 1992-04-30 | Peter Andrew Gray | Self-tapping, and self-tapping and self-drilling, rock bolts |
US5697746A (en) * | 1995-08-14 | 1997-12-16 | Emhart Inc. | Screw-nut fastener assembly |
IL123858A (en) * | 1998-03-27 | 2003-05-29 | Iscar Ltd | Drilling head |
US20040096293A1 (en) * | 2002-09-19 | 2004-05-20 | Mitek Holdings, Inc. | Truss screw |
DE102006026176A1 (de) * | 2006-05-29 | 2007-12-06 | Adolf Würth GmbH & Co. KG | Selbstbohrende Schraube |
US7841427B2 (en) * | 2008-07-18 | 2010-11-30 | Omni Ip Ltd. | Optimized central PDC cutter and method |
DE102009001298A1 (de) * | 2009-03-03 | 2010-09-16 | Hilti Aktiengesellschaft | Selbstbohrschraube |
JP2013083308A (ja) * | 2011-10-11 | 2013-05-09 | Homn Reen Enterprise Co Ltd | ドリルねじの構造 |
US20130089390A1 (en) * | 2011-10-11 | 2013-04-11 | Huang-Jia Su | Structure of self-drilling screw |
EP2581612A1 (de) * | 2011-10-14 | 2013-04-17 | Homn Reen Enterprise Co., Ltd. | Bohrschraubenstruktur |
US8864431B2 (en) * | 2012-03-14 | 2014-10-21 | Taiwan Shan Yin International Co., Ltd. | Screw capable of rapidly drilling and cutting |
TWI560371B (en) * | 2013-10-22 | 2016-12-01 | Taiwan Shan Yin Int Co Ltd | A self-drilling screw |
USD898557S1 (en) * | 2018-07-10 | 2020-10-13 | Screw King Co., Ltd. | Self drilling tapping screw |
US11486433B2 (en) * | 2020-01-10 | 2022-11-01 | Taiwan Shan Yin International Co., Ltd. | Self-drilling screw |
US11549543B2 (en) * | 2020-03-06 | 2023-01-10 | Hsiao-Wen Huang | Drill bit structure of self-tapping screw |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3079831A (en) * | 1959-05-07 | 1963-03-05 | Illinois Tool Works | Screw having workpiece drilling and thread cutting point |
US3463045A (en) * | 1966-05-10 | 1969-08-26 | Illinois Tool Works | Drilling screw |
US3933075A (en) * | 1973-08-08 | 1976-01-20 | Elco Industries, Inc. | Self-drilling fastener and method of making same |
US3937120A (en) * | 1975-01-28 | 1976-02-10 | Microdot Inc. | Drill screw |
GB1537701A (en) * | 1976-01-09 | 1979-01-04 | Avdel Ltd | Drills and self-drilling screws |
US4125050A (en) * | 1977-06-06 | 1978-11-14 | J. Schwartzman Manufacturing & Supply Co. | Self-drilling screw |
IT1083022B (it) * | 1977-07-21 | 1985-05-21 | Mustad O & Figlio Spa | Vite autoforante ed autofilettante |
US4209275A (en) * | 1978-10-30 | 1980-06-24 | Kim Joo B | Twist drill |
CA1175688A (en) * | 1979-11-26 | 1984-10-09 | Illinois Tool Works Inc. | Drill screw and cutters for making same |
JPS597046B2 (ja) * | 1979-12-29 | 1984-02-16 | 有限会社新城製作所 | ドリルねじ |
US4529341A (en) * | 1982-09-29 | 1985-07-16 | Hughes Helicopters, Inc. | Drill bit for Kevlar laminates |
-
1990
- 1990-07-23 JP JP2196930A patent/JP2865823B2/ja not_active Expired - Fee Related
- 1990-10-12 US US07/596,373 patent/US5074729A/en not_active Expired - Lifetime
- 1990-10-25 AU AU64977/90A patent/AU625007B2/en not_active Ceased
- 1990-10-30 DE DE69013340T patent/DE69013340T2/de not_active Expired - Fee Related
- 1990-10-30 EP EP90120785A patent/EP0468089B1/de not_active Expired - Lifetime
- 1990-11-07 FI FI905509A patent/FI905509A/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0468089A3 (en) | 1992-04-22 |
US5074729A (en) | 1991-12-24 |
AU625007B2 (en) | 1992-06-25 |
AU6497790A (en) | 1992-01-30 |
EP0468089B1 (de) | 1994-10-12 |
EP0468089A2 (de) | 1992-01-29 |
JP2865823B2 (ja) | 1999-03-08 |
DE69013340T2 (de) | 1995-03-23 |
JPH0483913A (ja) | 1992-03-17 |
FI905509A0 (fi) | 1990-11-07 |
FI905509A (fi) | 1992-01-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |