GB2235744B - Self-tapping fastener - Google Patents
Self-tapping fastenerInfo
- Publication number
- GB2235744B GB2235744B GB9018840A GB9018840A GB2235744B GB 2235744 B GB2235744 B GB 2235744B GB 9018840 A GB9018840 A GB 9018840A GB 9018840 A GB9018840 A GB 9018840A GB 2235744 B GB2235744 B GB 2235744B
- Authority
- GB
- United Kingdom
- Prior art keywords
- self
- tapping fastener
- tapping
- fastener
- 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
- 238000010079 rubber tapping 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
- F16B25/0036—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
- F16B25/0047—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 being characterised by its cross-section in the plane of the shaft axis
-
- 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
- F16B25/0057—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 screw having distinct axial zones, e.g. multiple axial thread sections with different pitch or thread cross-sections
-
- 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
- F16B25/0073—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 characterised by its pitch, e.g. a varying pitch
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Connection Of Plates (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19893929332 DE3929332A1 (en) | 1989-09-04 | 1989-09-04 | SELF-FORMING SCREW |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9018840D0 GB9018840D0 (en) | 1990-10-10 |
GB2235744A GB2235744A (en) | 1991-03-13 |
GB2235744B true GB2235744B (en) | 1992-12-09 |
Family
ID=6388598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9018840A Expired - Fee Related GB2235744B (en) | 1989-09-04 | 1990-08-29 | Self-tapping fastener |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE3929332A1 (en) |
GB (1) | GB2235744B (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5304024A (en) * | 1991-03-18 | 1994-04-19 | Adolf Wurth Gmbh & Co. Kg | Screw, method and rolling die for the production thereof |
US5704750A (en) * | 1997-01-16 | 1998-01-06 | Ford Global Technologies, Inc. | Multiple use screw with tapered threads |
DE19753755C2 (en) * | 1997-12-04 | 2001-07-05 | Deha Ankersysteme | Low-slip screw connection for rods in construction with geometrically defined counter |
US6332741B1 (en) | 2000-09-19 | 2001-12-25 | Textron, Inc. | Masonry anchor device |
US9482258B2 (en) | 2012-05-10 | 2016-11-01 | Simpson Strong-Tie Company, Inc. | Fastener with multiple threaded regions |
US9651079B2 (en) | 2013-03-21 | 2017-05-16 | Simpson Strong-Tie Company, Inc. | Fastener with prolate cross-section |
US9523383B2 (en) | 2013-03-26 | 2016-12-20 | Simpson Strong-Tie Company, Inc. | Variable thread fastener |
US11181138B2 (en) | 2013-03-26 | 2021-11-23 | Simpson Strong-Tie Company, Inc. | Variable thread knurl fastener |
FR3010156B1 (en) * | 2013-08-30 | 2016-02-26 | Faurecia Interieur Ind | FIXED FIXING ELEMENT |
WO2016048822A1 (en) * | 2014-09-22 | 2016-03-31 | Simpson Strong-Tie Company, Inc. | Variable thread fastener |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1142175A (en) * | 1966-05-10 | 1969-02-05 | Eaton Yale & Towne | Self-tapping screw |
US4069730A (en) * | 1976-06-03 | 1978-01-24 | Wales-Beech Corporation | Thread-forming screw |
US4235149A (en) * | 1978-08-17 | 1980-11-25 | Veldman Donald R | Self-thread creating fastener and method and apparatus for making the same |
-
1989
- 1989-09-04 DE DE19893929332 patent/DE3929332A1/en not_active Withdrawn
-
1990
- 1990-08-29 GB GB9018840A patent/GB2235744B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1142175A (en) * | 1966-05-10 | 1969-02-05 | Eaton Yale & Towne | Self-tapping screw |
US4069730A (en) * | 1976-06-03 | 1978-01-24 | Wales-Beech Corporation | Thread-forming screw |
US4235149A (en) * | 1978-08-17 | 1980-11-25 | Veldman Donald R | Self-thread creating fastener and method and apparatus for making the same |
Also Published As
Publication number | Publication date |
---|---|
GB2235744A (en) | 1991-03-13 |
DE3929332A1 (en) | 1991-03-07 |
GB9018840D0 (en) | 1990-10-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2234547B (en) | Push-nut type fastener | |
IL95802A0 (en) | Blind fastener | |
EP0305198A3 (en) | Fastener fastener | |
GB2209710B (en) | Fastener | |
GB2208409B (en) | Fastener | |
GB8807677D0 (en) | Fasteners | |
GB8717012D0 (en) | Fastener | |
GB2235744B (en) | Self-tapping fastener | |
ZA903250B (en) | Fastener with increased reach-back | |
EP0373223A4 (en) | Fastener | |
GB8907021D0 (en) | Twist fastener | |
GB8810925D0 (en) | Fastener | |
AU107362S (en) | Self-drilling rivet | |
GB2202895B (en) | Fastener | |
GB2210095B (en) | Fastener | |
GB2239504B (en) | Fastener | |
GB8901695D0 (en) | Fastener | |
GB8810762D0 (en) | Fasteners | |
GB2212850B (en) | Fastener | |
ZA907104B (en) | Fastener | |
GB8927790D0 (en) | Fastener | |
ZA899103B (en) | Fastener | |
ZA902637B (en) | Fastener | |
GB8907004D0 (en) | Fastener | |
GB8916426D0 (en) | Fastening aid |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20020829 |