FR2445743A1 - 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 - 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 utilise a cet effet

Info

Publication number
FR2445743A1
FR2445743A1 FR7900137A FR7900137A FR2445743A1 FR 2445743 A1 FR2445743 A1 FR 2445743A1 FR 7900137 A FR7900137 A FR 7900137A FR 7900137 A FR7900137 A FR 7900137A FR 2445743 A1 FR2445743 A1 FR 2445743A1
Authority
FR
France
Prior art keywords
matrix
punch
drop
billet
forging process
Prior art date
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
Application number
FR7900137A
Other languages
English (en)
French (fr)
Other versions
FR2445743B1 (xx
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BADRE EMILE
Original Assignee
BADRE EMILE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BADRE EMILE filed Critical BADRE EMILE
Priority to FR7900137A priority Critical patent/FR2445743A1/fr
Priority to FR7915321A priority patent/FR2457139A2/fr
Priority to BE0/195551A priority patent/BE876749A/xx
Publication of FR2445743A1 publication Critical patent/FR2445743A1/fr
Application granted granted Critical
Publication of FR2445743B1 publication Critical patent/FR2445743B1/fr
Granted legal-status Critical Current

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)
FR7900137A 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 Granted FR2445743A1 (fr)

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 true FR2445743A1 (fr) 1980-08-01
FR2445743B1 FR2445743B1 (xx) 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 (xx)
FR (1) FR2445743A1 (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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

Citations (4)

* Cited by examiner, † Cited by third party
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
FR2213118A1 (xx) * 1972-11-21 1974-08-02 Utility Products Ltd

Patent Citations (4)

* Cited by examiner, † Cited by third party
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
FR2213118A1 (xx) * 1972-11-21 1974-08-02 Utility Products Ltd

Also Published As

Publication number Publication date
BE876749A (fr) 1979-10-01
FR2445743B1 (xx) 1985-01-11

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Legal Events

Date Code Title Description
ST Notification of lapse