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 effet

Info

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
Application number
BE0/195551A
Other languages
English (en)
French (fr)
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
Publication of BE876749A publication Critical patent/BE876749A/xx

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)
BE0/195551A 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 BE876749A (fr)

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 (zh)
FR (1) FR2445743A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
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)

* 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
ZA728229B (en) * 1972-11-21 1974-03-27 Utility Prod Ltd Recess in fastening element head and method of making it

Cited By (2)

* Cited by examiner, † Cited by third party
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
FR2445743B1 (zh) 1985-01-11
FR2445743A1 (fr) 1980-08-01

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