SE7506443L - NATURAL SCREW - Google Patents
NATURAL SCREWInfo
- Publication number
- SE7506443L SE7506443L SE7506443A SE7506443A SE7506443L SE 7506443 L SE7506443 L SE 7506443L SE 7506443 A SE7506443 A SE 7506443A SE 7506443 A SE7506443 A SE 7506443A SE 7506443 L SE7506443 L SE 7506443L
- Authority
- SE
- Sweden
- Prior art keywords
- natural
- screw
- natural 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
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7506443A SE398149B (en) | 1975-06-05 | 1975-06-05 | NATURAL SCREW |
DE19762625372 DE2625372A1 (en) | 1975-06-05 | 1976-06-04 | THREAD TAPPING SCREW |
FR7616954A FR2313588A1 (en) | 1975-06-05 | 1976-06-04 | Self tapping screw with interrupted thread - has truncated cutting thread lengths with convex leading and trailing ends |
FI761600A FI761600A (en) | 1975-06-05 | 1976-06-04 | |
NO761908A NO761908L (en) | 1975-06-05 | 1976-06-04 | |
DK247776A DK247776A (en) | 1975-06-05 | 1976-06-04 | SELF-CUTTING SCREW |
US05/858,042 US4161132A (en) | 1975-06-05 | 1977-12-06 | Self-tapping screw |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7506443A SE398149B (en) | 1975-06-05 | 1975-06-05 | NATURAL SCREW |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7506443L true SE7506443L (en) | 1976-12-06 |
SE398149B SE398149B (en) | 1977-12-05 |
Family
ID=20324764
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7506443A SE398149B (en) | 1975-06-05 | 1975-06-05 | NATURAL 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 Wuerth Gmbh & Co Kg, 7118 Kuenzelsau, De | |
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 FI FI761600A patent/FI761600A/fi not_active Application Discontinuation
- 1976-06-04 FR FR7616954A patent/FR2313588A1/en active Granted
- 1976-06-04 DE DE19762625372 patent/DE2625372A1/en active Pending
- 1976-06-04 NO NO761908A patent/NO761908L/no unknown
Also Published As
Publication number | Publication date |
---|---|
DK247776A (en) | 1976-12-06 |
DE2625372A1 (en) | 1976-12-23 |
NO761908L (en) | 1976-12-07 |
FR2313588A1 (en) | 1976-12-31 |
SE398149B (en) | 1977-12-05 |
FI761600A (en) | 1976-12-06 |
FR2313588B3 (en) | 1979-02-23 |
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