FR1357086A - Method of manufacturing screws with high loosening torque and screws thus obtained - Google Patents

Method of manufacturing screws with high loosening torque and screws thus obtained

Info

Publication number
FR1357086A
FR1357086A FR925537A FR925537A FR1357086A FR 1357086 A FR1357086 A FR 1357086A FR 925537 A FR925537 A FR 925537A FR 925537 A FR925537 A FR 925537A FR 1357086 A FR1357086 A FR 1357086A
Authority
FR
France
Prior art keywords
screws
manufacturing
loosening torque
high loosening
torque
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.)
Expired
Application number
FR925537A
Other languages
French (fr)
Inventor
Lucien Nitenberg
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 filed Critical
Priority to FR925537A priority Critical patent/FR1357086A/en
Application granted granted Critical
Publication of FR1357086A publication Critical patent/FR1357086A/en
Expired 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
    • 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
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR925537A 1963-02-21 1963-02-21 Method of manufacturing screws with high loosening torque and screws thus obtained Expired FR1357086A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR925537A FR1357086A (en) 1963-02-21 1963-02-21 Method of manufacturing screws with high loosening torque and screws thus obtained

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR925537A FR1357086A (en) 1963-02-21 1963-02-21 Method of manufacturing screws with high loosening torque and screws thus obtained

Publications (1)

Publication Number Publication Date
FR1357086A true FR1357086A (en) 1964-04-03

Family

ID=8797553

Family Applications (1)

Application Number Title Priority Date Filing Date
FR925537A Expired FR1357086A (en) 1963-02-21 1963-02-21 Method of manufacturing screws with high loosening torque and screws thus obtained

Country Status (1)

Country Link
FR (1) FR1357086A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402099A1 (en) * 1977-09-01 1979-03-30 Bauer Gmbh & Co Carl LOCKING TEETH THREADED ELEMENT
FR2655396A1 (en) * 1989-12-05 1991-06-07 Rapid Sa Anti-fraud device for fixing a casing to a support using a screw
FR2994368A1 (en) * 2012-08-03 2014-02-07 Legrand France Electrical box i.e. distribution box for housing e.g. circuit breaker, has braking element to cooperate with post for tightening of screw on contact portion of housing, so as to brake rotation of screw while allowing unscrewing of screw
CN108160826A (en) * 2018-02-09 2018-06-15 浙江俊荣五金工业有限公司 For the molding die of trigonodont self-tapping screw

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402099A1 (en) * 1977-09-01 1979-03-30 Bauer Gmbh & Co Carl LOCKING TEETH THREADED ELEMENT
FR2655396A1 (en) * 1989-12-05 1991-06-07 Rapid Sa Anti-fraud device for fixing a casing to a support using a screw
FR2994368A1 (en) * 2012-08-03 2014-02-07 Legrand France Electrical box i.e. distribution box for housing e.g. circuit breaker, has braking element to cooperate with post for tightening of screw on contact portion of housing, so as to brake rotation of screw while allowing unscrewing of screw
CN108160826A (en) * 2018-02-09 2018-06-15 浙江俊荣五金工业有限公司 For the molding die of trigonodont self-tapping screw

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