FR2445743B1 - - Google Patents
Info
- Publication number
- FR2445743B1 FR2445743B1 FR7900137A FR7900137A FR2445743B1 FR 2445743 B1 FR2445743 B1 FR 2445743B1 FR 7900137 A FR7900137 A FR 7900137A FR 7900137 A FR7900137 A FR 7900137A FR 2445743 B1 FR2445743 B1 FR 2445743B1
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
- B21K1/46—Making machine elements bolts, studs, or the like with heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
- B21K1/46—Making machine elements bolts, studs, or the like with heads
- B21K1/463—Making machine elements bolts, studs, or the like with heads with recessed heads
-
- 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)
- Forging (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7900137A FR2445743A1 (fr) | 1979-01-04 | 1979-01-04 | Nouvelles tetes de vis, boulons, tire-fonds ou analogues, pouvant etre matricees a chaud ou a froid, sans bavures, ainsi que le procede et l'outillage utilise a cet effet |
| FR7915321A FR2457139A2 (fr) | 1979-01-04 | 1979-05-25 | Nouvelles tetes de vis, boulons, tire-fond ou analogues pouvant etre matricees a chaud ou a froid, sans bavures, ainsi que le procede et l'outillage utilises a cet effet |
| BE0/195551A BE876749A (fr) | 1979-01-04 | 1979-06-01 | Nouvelles tetes de vis, boulons, tire-fonds ou analogues, pouvant etre matricees a chaud ou a froid, sans bavures, ainsi que le procede et l'outillage utiles a cet effet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7900137A FR2445743A1 (fr) | 1979-01-04 | 1979-01-04 | Nouvelles tetes de vis, boulons, tire-fonds ou analogues, pouvant etre matricees a chaud ou a froid, sans bavures, ainsi que le procede et l'outillage utilise a cet effet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2445743A1 FR2445743A1 (fr) | 1980-08-01 |
| FR2445743B1 true FR2445743B1 (US06168776-20010102-C00028.png) | 1985-01-11 |
Family
ID=9220457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7900137A Granted FR2445743A1 (fr) | 1979-01-04 | 1979-01-04 | Nouvelles tetes de vis, boulons, tire-fonds ou analogues, pouvant etre matricees a chaud ou a froid, sans bavures, ainsi que le procede et l'outillage utilise a cet effet |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE876749A (US06168776-20010102-C00028.png) |
| FR (1) | FR2445743A1 (US06168776-20010102-C00028.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688938B (zh) * | 2012-05-28 | 2015-02-18 | 宁波市鄞州剑均机械科技有限公司 | 螺柱热冲压模具 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2832970A (en) * | 1954-10-04 | 1958-05-06 | Camcar Screw & Mfg Corp | Single blow heading machine with two part header punch |
| FR1348113A (fr) * | 1963-02-11 | 1964-01-04 | Illinois Tool Works | Procédé et appareil pour former la tête d'une tige de fixation |
| FR1544193A (fr) * | 1967-09-22 | 1968-10-31 | Procédé et outillage pour la fabrication de vis à tête creuse, ou similaires | |
| ZA728229B (en) * | 1972-11-21 | 1974-03-27 | Utility Prod Ltd | Recess in fastening element head and method of making it |
-
1979
- 1979-01-04 FR FR7900137A patent/FR2445743A1/fr active Granted
- 1979-06-01 BE BE0/195551A patent/BE876749A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE876749A (fr) | 1979-10-01 |
| FR2445743A1 (fr) | 1980-08-01 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |