FR2271435A1 - - Google Patents
Info
- Publication number
- FR2271435A1 FR2271435A1 FR7514781A FR7514781A FR2271435A1 FR 2271435 A1 FR2271435 A1 FR 2271435A1 FR 7514781 A FR7514781 A FR 7514781A FR 7514781 A FR7514781 A FR 7514781A FR 2271435 A1 FR2271435 A1 FR 2271435A1
- 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.)
- Granted
Links
Classifications
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- 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
- F16B23/0084—Specially shaped nuts or heads of bolts or screws for rotations by a tool with a threaded engagement between the head of the bolt or screw and the tool
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- 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
- B25B13/486—Spanners; Wrenches for special purposes for theft-proof screws, bolts or nuts using a threaded connection between screw and tool
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Connection Of Plates (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7406389A SE394386B (sv) | 1974-05-14 | 1974-05-14 | Hylsformigt verktyg for upprepad dragning och lossning av skruvar eller muttrar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2271435A1 true FR2271435A1 (enExample) | 1975-12-12 |
| FR2271435B1 FR2271435B1 (enExample) | 1979-03-30 |
Family
ID=20321116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7514781A Expired FR2271435B1 (enExample) | 1974-05-14 | 1975-05-13 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR2271435B1 (enExample) |
| GB (1) | GB1503156A (enExample) |
| SE (1) | SE394386B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2620495A1 (fr) * | 1987-09-15 | 1989-03-17 | Estrade Martial | Vis a tete ronde percee et taraudee au centre avec son tournevis |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004039811A1 (de) * | 2004-08-11 | 2006-02-23 | Pfisterer Kontaktsysteme Gmbh & Co. Kg | Befestigungsmittel, insbesondere Abreißschraube, zugehöriges System und Verfahren zum Eindrehen des Befestigungsmittels |
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1974
- 1974-05-14 SE SE7406389A patent/SE394386B/xx not_active IP Right Cessation
-
1975
- 1975-04-30 GB GB1804875A patent/GB1503156A/en not_active Expired
- 1975-05-13 FR FR7514781A patent/FR2271435B1/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2620495A1 (fr) * | 1987-09-15 | 1989-03-17 | Estrade Martial | Vis a tete ronde percee et taraudee au centre avec son tournevis |
Also Published As
| Publication number | Publication date |
|---|---|
| SE7406389L (sv) | 1975-11-17 |
| FR2271435B1 (enExample) | 1979-03-30 |
| AU8105075A (en) | 1976-11-18 |
| GB1503156A (en) | 1978-03-08 |
| SE394386B (sv) | 1977-06-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |