BE876749A - 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 - Google Patents
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 effetInfo
- Publication number
- BE876749A BE876749A BE0/195551A BE195551A BE876749A BE 876749 A BE876749 A BE 876749A BE 0/195551 A BE0/195551 A BE 0/195551A BE 195551 A BE195551 A BE 195551A BE 876749 A BE876749 A BE 876749A
- Authority
- BE
- Belgium
- Prior art keywords
- pullers
- burns
- bolts
- screws
- hot
- Prior art date
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)
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 (1)
Publication Number | Publication Date |
---|---|
BE876749A true BE876749A (fr) | 1979-10-01 |
Family
ID=9220457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE876749A (US06252093-20010626-C00008.png) |
FR (1) | FR2445743A1 (US06252093-20010626-C00008.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102688938A (zh) * | 2012-05-28 | 2012-09-26 | 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
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102688938A (zh) * | 2012-05-28 | 2012-09-26 | 宁波市鄞州剑均机械科技有限公司 | 螺柱热冲压模具 |
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 |
Also Published As
Publication number | Publication date |
---|---|
FR2445743A1 (fr) | 1980-08-01 |
FR2445743B1 (US06252093-20010626-C00008.png) | 1985-01-11 |
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