DK474783A - Self-tapping screws - Google Patents
Self-tapping screws Download PDFInfo
- Publication number
- DK474783A DK474783A DK474783A DK474783A DK474783A DK 474783 A DK474783 A DK 474783A DK 474783 A DK474783 A DK 474783A DK 474783 A DK474783 A DK 474783A DK 474783 A DK474783 A DK 474783A
- Authority
- DK
- Denmark
- Prior art keywords
- cutting
- screw
- self
- drilling point
- cuts
- Prior art date
Links
- 238000010079 rubber tapping Methods 0.000 title 1
- 238000005553 drilling Methods 0.000 abstract 3
- 239000002184 metal Substances 0.000 abstract 2
- 238000010276 construction Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 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
- F16B25/0036—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
- F16B25/0068—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 with multiple-threads, e.g. a double thread 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
- F16B25/0031—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 screw being designed to be screwed into different materials, e.g. a layered structure or through metallic and wooden parts
-
- 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
- F16B25/0078—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw with a shaft of non-circular cross-section or other special geometric features of the shaft
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Dowels (AREA)
- Joining Of Building Structures In Genera (AREA)
- Drilling Tools (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Connection Of Plates (AREA)
Abstract
1. Self-cutting rapid construction screw for the fixing of fibre boards on a metal substructure, with a screw shank (2) which carries at least one thread (5) which goes into a tapered drilling point (3) provided with at least one cutting flute (6), and with two cutting vanes (7, 8) arranged near the end of the shank, and which can be broken off when they strike the metal substructure, one at least of which cuts up to the outside diameter of the thread, characterized by the fact that the two cutting vanes (7, 8) are placed axially opposite each other, that the front cutting vane (8) is seated on the surface area of the tapered drilling point (3) and cuts up to the diameter of the body of the screw, and that the drilling point (3) shows a taper angle of less than 45 degrees.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823245700 DE3245700A1 (en) | 1982-12-10 | 1982-12-10 | SELF-TAPING QUICK-SCREW SCREW |
Publications (2)
Publication Number | Publication Date |
---|---|
DK474783D0 DK474783D0 (en) | 1983-10-14 |
DK474783A true DK474783A (en) | 1984-06-11 |
Family
ID=6180293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK474783A DK474783A (en) | 1982-12-10 | 1983-10-14 | Self-tapping screws |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0113390B1 (en) |
JP (1) | JPS59106715A (en) |
AT (1) | ATE19542T1 (en) |
DE (2) | DE3245700A1 (en) |
DK (1) | DK474783A (en) |
ES (1) | ES275758Y (en) |
GR (1) | GR79039B (en) |
NO (1) | NO833939L (en) |
ZA (1) | ZA837844B (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3346704A1 (en) * | 1983-12-23 | 1985-07-04 | Richter-System GmbH & Co KG, 6103 Griesheim | SELF-TAPING QUICK-SCREW SCREW |
JPH0338502Y2 (en) * | 1986-08-13 | 1991-08-14 | ||
DE3717949A1 (en) * | 1987-05-27 | 1988-12-08 | Itw Ateco Gmbh | THREAD-FORMING SCREW |
CH687036A5 (en) * | 1993-01-25 | 1996-08-30 | Spreiter Johann Ulrich | Bolts. |
JPH0750574Y2 (en) * | 1993-03-29 | 1995-11-15 | 山喜産業株式会社 | Roof mounting screw |
FR2735191B1 (en) * | 1995-06-06 | 1997-07-18 | Patrick Thevenin | SELF-DRILLING CORE |
DE19525732A1 (en) * | 1995-07-14 | 1997-01-16 | Gaisbach Schraubenwerk Swg | Screw with head, threaded stem, and tip section - which contains milling ribs, forming milling edge protruding above tip surface |
JP4630239B2 (en) * | 2006-07-03 | 2011-02-09 | 株式会社ノダ | Fastener |
DE102009023895A1 (en) * | 2009-06-04 | 2010-12-16 | Sfs Intec Holding Ag | Self-drilling screw |
CN107420403B (en) * | 2016-05-23 | 2019-08-27 | 徐国泰 | Screw |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1506798A1 (en) * | 1966-04-14 | |||
CA981944A (en) * | 1972-10-30 | 1976-01-20 | John J. Hart | Drill screw |
US3942405A (en) * | 1974-09-23 | 1976-03-09 | John Bradley Wagner | Piercing sharp pointed gypsum board screw for metal studs |
DE2537446C3 (en) * | 1975-08-22 | 1979-07-05 | Fumio Osaka Hirabayashi (Japan) | Self-tapping self-tapping screw |
US3982464A (en) * | 1975-08-28 | 1976-09-28 | Illinois Tool Works Inc. | Drilling and reaming |
-
1982
- 1982-12-10 DE DE19823245700 patent/DE3245700A1/en not_active Withdrawn
-
1983
- 1983-06-22 JP JP58111129A patent/JPS59106715A/en active Pending
- 1983-07-27 AT AT83107377T patent/ATE19542T1/en not_active IP Right Cessation
- 1983-07-27 EP EP83107377A patent/EP0113390B1/en not_active Expired
- 1983-07-27 DE DE8383107377T patent/DE3363276D1/en not_active Expired
- 1983-10-14 DK DK474783A patent/DK474783A/en not_active Application Discontinuation
- 1983-10-21 ZA ZA837844A patent/ZA837844B/en unknown
- 1983-10-28 NO NO833939A patent/NO833939L/en unknown
- 1983-11-16 ES ES1983275758U patent/ES275758Y/en not_active Expired
- 1983-11-30 GR GR73110A patent/GR79039B/el unknown
Also Published As
Publication number | Publication date |
---|---|
DE3245700A1 (en) | 1984-06-14 |
ATE19542T1 (en) | 1986-05-15 |
NO833939L (en) | 1984-06-12 |
GR79039B (en) | 1984-10-02 |
DK474783D0 (en) | 1983-10-14 |
ZA837844B (en) | 1984-07-25 |
DE3363276D1 (en) | 1986-06-05 |
EP0113390A1 (en) | 1984-07-18 |
ES275758U (en) | 1984-03-01 |
JPS59106715A (en) | 1984-06-20 |
EP0113390B1 (en) | 1986-04-30 |
ES275758Y (en) | 1984-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment |