GB8529096D0 - Tamper-proof bolt/screw - Google Patents
Tamper-proof bolt/screwInfo
- Publication number
- GB8529096D0 GB8529096D0 GB858529096A GB8529096A GB8529096D0 GB 8529096 D0 GB8529096 D0 GB 8529096D0 GB 858529096 A GB858529096 A GB 858529096A GB 8529096 A GB8529096 A GB 8529096A GB 8529096 D0 GB8529096 D0 GB 8529096D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- tamper
- screw
- proof bolt
- proof
- bolt
- 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.)
- Granted
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
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0076—Specially shaped nuts or heads of bolts or screws for rotations by a tool causing slipping of the tool in loosening rotation, i.e. disabling unscrewing unless another tool is used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B15/00—Screwdrivers
- B25B15/001—Screwdrivers characterised by material or shape of the tool bit
- B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Portable Nailing Machines And Staplers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08529096A GB2168121B (en) | 1984-12-04 | 1985-11-26 | Tamper-proof bolt or screw |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB848430563A GB8430563D0 (en) | 1984-12-04 | 1984-12-04 | Tamper-proof bolt |
GB08529096A GB2168121B (en) | 1984-12-04 | 1985-11-26 | Tamper-proof bolt or screw |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8529096D0 true GB8529096D0 (en) | 1986-01-02 |
GB2168121A GB2168121A (en) | 1986-06-11 |
GB2168121B GB2168121B (en) | 1987-10-14 |
Family
ID=26288533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08529096A Expired GB2168121B (en) | 1984-12-04 | 1985-11-26 | Tamper-proof bolt or screw |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2168121B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2308930B1 (en) * | 2007-05-24 | 2009-10-27 | Tsf Navarra De Tecnicas De Soldadura Y Fijacion, S.L. | SCREW AND SAFETY NUT, WITH SPECIFIC WRENCHES FOR TIGHTENING AND LOOSENING. |
EP2908014B1 (en) * | 2014-02-13 | 2019-06-12 | HALFEN GmbH | Screw |
-
1985
- 1985-11-26 GB GB08529096A patent/GB2168121B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2168121A (en) | 1986-06-11 |
GB2168121B (en) | 1987-10-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |