DK247776A - SELF-CUTTING SCREW - Google Patents
SELF-CUTTING SCREWInfo
- Publication number
- DK247776A DK247776A DK247776A DK247776A DK247776A DK 247776 A DK247776 A DK 247776A DK 247776 A DK247776 A DK 247776A DK 247776 A DK247776 A DK 247776A DK 247776 A DK247776 A DK 247776A
- Authority
- DK
- Denmark
- Prior art keywords
- self
- cutting screw
- cutting
- screw
- Prior art date
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
- F16B25/0052—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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Dowels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7506443A SE398149B (en) | 1975-06-05 | 1975-06-05 | NATURAL SCREW |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK247776A true DK247776A (en) | 1976-12-06 |
Family
ID=20324764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK247776A DK247776A (en) | 1975-06-05 | 1976-06-04 | SELF-CUTTING SCREW |
Country Status (6)
| Country | Link |
|---|---|
| DE (1) | DE2625372A1 (en) |
| DK (1) | DK247776A (en) |
| FI (1) | FI761600A (en) |
| FR (1) | FR2313588A1 (en) |
| NO (1) | NO761908L (en) |
| SE (1) | SE398149B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2055652A (en) * | 1979-08-11 | 1981-03-11 | Gkn Fasteners Ltd | Self-drilling self tapping screw |
| FR2514086A1 (en) * | 1981-10-05 | 1983-04-08 | Itw De France | ASSEMBLY DEVICE, IN PARTICULAR OF THE INSERT TYPE, FOR MAINTAINING ANY ELEMENT ON PLASTIC, SPECIAL, RIGID SUBSTRATES AND SUBJECTS WHICH ARE DETERIORATED AT FASTENING |
| US4842467A (en) * | 1984-08-24 | 1989-06-27 | Yamashina Seiko-Sho, Ltd. | Concrete screw |
| DE3620372C3 (en) * | 1986-06-18 | 1995-04-20 | Rockenfeller Gmbh & Co Kg | Nail for driving into pre-drilled holes on components made of hard material |
| DE8804654U1 (en) * | 1988-04-08 | 1988-08-11 | Adolf Würth GmbH & Co. KG, 74653 Künzelsau | Self-drilling screw |
| GB8819820D0 (en) * | 1988-08-20 | 1988-09-21 | Tucker Fasteners Ltd | Anchors for fixing to dense concrete masonry &c |
| CH682450A5 (en) * | 1990-12-07 | 1993-09-30 | Protek Ag | Orthopaedic bone-implant anchoring pin - has retaining portions along spiral line around shank and with cutting edges towards head which is turned by tool |
| DE19801102A1 (en) * | 1998-01-15 | 1999-07-22 | Toge Duebel A Gerhard Kg | Tapping screw |
| DE102010031410A1 (en) * | 2010-07-15 | 2012-01-19 | TOGE-Dübel A. Gerhard KG | Self-centering screw |
-
1975
- 1975-06-05 SE SE7506443A patent/SE398149B/en unknown
-
1976
- 1976-06-04 DK DK247776A patent/DK247776A/en unknown
- 1976-06-04 DE DE19762625372 patent/DE2625372A1/en active Pending
- 1976-06-04 NO NO761908A patent/NO761908L/no unknown
- 1976-06-04 FR FR7616954A patent/FR2313588A1/en active Granted
- 1976-06-04 FI FI761600A patent/FI761600A/fi not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| NO761908L (en) | 1976-12-07 |
| SE7506443L (en) | 1976-12-06 |
| FR2313588A1 (en) | 1976-12-31 |
| FR2313588B3 (en) | 1979-02-23 |
| DE2625372A1 (en) | 1976-12-23 |
| SE398149B (en) | 1977-12-05 |
| FI761600A (en) | 1976-12-06 |
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