FR2196026A5 - - Google Patents
Info
- Publication number
- FR2196026A5 FR2196026A5 FR7228866A FR7228866A FR2196026A5 FR 2196026 A5 FR2196026 A5 FR 2196026A5 FR 7228866 A FR7228866 A FR 7228866A FR 7228866 A FR7228866 A FR 7228866A FR 2196026 A5 FR2196026 A5 FR 2196026A5
- 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
-
- 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
- F16B23/003—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 star-shaped or multi-lobular, e.g. Torx-type, twelve-point star
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7228866A FR2196026A5 (enrdf_load_stackoverflow) | 1972-08-10 | 1972-08-10 | |
FR7235903A FR2202550A6 (enrdf_load_stackoverflow) | 1972-08-10 | 1972-10-11 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7228866A FR2196026A5 (enrdf_load_stackoverflow) | 1972-08-10 | 1972-08-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2196026A5 true FR2196026A5 (enrdf_load_stackoverflow) | 1974-03-08 |
Family
ID=9103119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7228866A Expired FR2196026A5 (enrdf_load_stackoverflow) | 1972-08-10 | 1972-08-10 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2196026A5 (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999042735A1 (de) * | 1998-02-18 | 1999-08-26 | Herbert Zeeck | Kupplung zur verbindung eines schraubwerkzeuges mit einer schraube |
EP2738400A1 (en) * | 2012-12-03 | 2014-06-04 | Fong Prean Industrial Co., Ltd. | Screw head with a compound hexagonal recess |
-
1972
- 1972-08-10 FR FR7228866A patent/FR2196026A5/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999042735A1 (de) * | 1998-02-18 | 1999-08-26 | Herbert Zeeck | Kupplung zur verbindung eines schraubwerkzeuges mit einer schraube |
EP2738400A1 (en) * | 2012-12-03 | 2014-06-04 | Fong Prean Industrial Co., Ltd. | Screw head with a compound hexagonal recess |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |