BE690756A - - Google Patents
Info
- Publication number
- BE690756A BE690756A BE690756A BE690756A BE690756A BE 690756 A BE690756 A BE 690756A BE 690756 A BE690756 A BE 690756A BE 690756 A BE690756 A BE 690756A BE 690756 A BE690756 A BE 690756A
- Authority
- BE
- Belgium
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
- F16B23/0061—Specially shaped nuts or heads of bolts or screws for rotations by a tool with grooves, notches or splines on the external peripheral surface designed for tools engaging in radial direction
-
- 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
- B25B13/00—Spanners; Wrenches
- B25B13/02—Spanners; Wrenches with rigid jaws
- B25B13/06—Spanners; Wrenches with rigid jaws of socket type
- B25B13/065—Spanners; Wrenches with rigid jaws of socket type characterised by the cross-section of the socket
-
- 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
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
-
- 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
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
- B25B13/485—Spanners; Wrenches for special purposes for theft-proof screws, bolts or nuts
-
- 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
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1685165A CH447721A (de) | 1965-12-07 | 1965-12-07 | Schraube und Steckschlüssel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE690756A true BE690756A (en:Method) | 1967-05-16 |
Family
ID=4420765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE690756A BE690756A (en:Method) | 1965-12-07 | 1966-12-06 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE690756A (en:Method) |
| CH (1) | CH447721A (en:Method) |
| FR (1) | FR1496246A (en:Method) |
| NL (1) | NL6617114A (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3519979A (en) * | 1968-07-26 | 1970-07-07 | Vikoa Inc | Tamper-proof electrical termination |
| IL67733A0 (en) * | 1983-01-23 | 1983-05-15 | Mekler Dan | Tamper-proof fastener and snap on wrench for use therewith |
| US5275086A (en) * | 1992-08-27 | 1994-01-04 | Unlimited Solutions, Inc. | Fluid actuator with internal pressure relief valve |
| EP2383062B1 (en) | 2010-04-30 | 2013-07-10 | Seco Tools AB | Milling tool with clamping screw having male grip at end thereof |
-
1965
- 1965-12-07 CH CH1685165A patent/CH447721A/de unknown
-
1966
- 1966-09-08 FR FR75737A patent/FR1496246A/fr not_active Expired
- 1966-12-06 NL NL6617114A patent/NL6617114A/xx unknown
- 1966-12-06 BE BE690756A patent/BE690756A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1496246A (fr) | 1967-09-29 |
| CH447721A (de) | 1967-11-30 |
| NL6617114A (en:Method) | 1967-06-08 |