FR2216474B3 - - Google Patents
Info
- Publication number
- FR2216474B3 FR2216474B3 FR7403896A FR7403896A FR2216474B3 FR 2216474 B3 FR2216474 B3 FR 2216474B3 FR 7403896 A FR7403896 A FR 7403896A FR 7403896 A FR7403896 A FR 7403896A FR 2216474 B3 FR2216474 B3 FR 2216474B3
- Authority
- FR
- France
- 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
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
- F16B23/0007—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)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Joining Of Building Structures In Genera (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Insertion Pins And Rivets (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732305828 DE2305828A1 (en) | 1973-02-07 | 1973-02-07 | HEAD SCREW |
| DK22074A DK133200C (en) | 1973-02-07 | 1974-01-16 | SCREW WITH HEAD IN WHICH THERE IS A PROFILED CUTTING |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2216474A1 FR2216474A1 (en) | 1974-08-30 |
| FR2216474B3 true FR2216474B3 (en) | 1976-11-26 |
Family
ID=25764654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7403896A Expired FR2216474B3 (en) | 1973-02-07 | 1974-02-06 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS49111063A (en) |
| BE (1) | BE810636A (en) |
| DE (1) | DE2431971A1 (en) |
| ES (1) | ES200205Y (en) |
| FR (1) | FR2216474B3 (en) |
| GB (1) | GB1465525A (en) |
| NL (1) | NL7401706A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6384880A (en) * | 1986-09-29 | 1988-04-15 | 足立 幸男 | Sector form bolt and sector form driver |
| DE3807741A1 (en) * | 1988-03-09 | 1989-09-21 | Jaeger Eberhard Gmbh | HEAD SCREW WITH A LOWERING PROVIDED FOR AN INTERNAL DRIVE |
| GB2295432A (en) * | 1994-11-22 | 1996-05-29 | Adrian Crook | Screw head and screwdriver drive formations |
| FR2864590B1 (en) * | 2003-12-30 | 2007-11-09 | Serge Leger | SCREW COMPRISING AN IMPRESSION ADAPTED TO THE SHAPE OF THE END OF A FOREST |
-
1974
- 1974-02-05 ES ES1974200205U patent/ES200205Y/en not_active Expired
- 1974-02-05 BE BE140573A patent/BE810636A/en unknown
- 1974-02-06 JP JP1527374A patent/JPS49111063A/ja active Pending
- 1974-02-06 FR FR7403896A patent/FR2216474B3/fr not_active Expired
- 1974-02-06 GB GB540874A patent/GB1465525A/en not_active Expired
- 1974-02-07 NL NL7401706A patent/NL7401706A/xx not_active Application Discontinuation
- 1974-07-03 DE DE19742431971 patent/DE2431971A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| BE810636A (en) | 1974-05-29 |
| JPS49111063A (en) | 1974-10-23 |
| FR2216474A1 (en) | 1974-08-30 |
| NL7401706A (en) | 1974-08-09 |
| DE2431971A1 (en) | 1975-07-17 |
| GB1465525A (en) | 1977-02-23 |
| ES200205Y (en) | 1976-02-01 |
| ES200205U (en) | 1975-10-01 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |