FR2241715A1 - - Google Patents

Info

Publication number
FR2241715A1
FR2241715A1 FR7428653A FR7428653A FR2241715A1 FR 2241715 A1 FR2241715 A1 FR 2241715A1 FR 7428653 A FR7428653 A FR 7428653A FR 7428653 A FR7428653 A FR 7428653A FR 2241715 A1 FR2241715 A1 FR 2241715A1
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.)
Granted
Application number
FR7428653A
Other languages
French (fr)
Other versions
FR2241715B3 (de
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.)
Bulten Kanthal AB
Original Assignee
Bulten Kanthal AB
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 Bulten Kanthal AB filed Critical Bulten Kanthal AB
Publication of FR2241715A1 publication Critical patent/FR2241715A1/fr
Application granted granted Critical
Publication of FR2241715B3 publication Critical patent/FR2241715B3/fr
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
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
FR7428653A 1973-08-21 1974-08-21 Expired FR2241715B3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7311365A SE7311365L (de) 1973-08-21 1973-08-21

Publications (2)

Publication Number Publication Date
FR2241715A1 true FR2241715A1 (de) 1975-03-21
FR2241715B3 FR2241715B3 (de) 1977-06-10

Family

ID=20318285

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7428653A Expired FR2241715B3 (de) 1973-08-21 1974-08-21

Country Status (7)

Country Link
DE (1) DE2440156A1 (de)
DK (1) DK572473A (de)
FI (1) FI328173A (de)
FR (1) FR2241715B3 (de)
GB (1) GB1486246A (de)
NO (1) NO439473L (de)
SE (1) SE7311365L (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2432110A1 (fr) * 1978-07-26 1980-02-22 Technofast Inc Vis a evidement cruciforme
FR2558220A1 (fr) * 1984-01-17 1985-07-19 Barge Bulloneria Vis utilisables avec des couples de serrage precis

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3325565A1 (de) * 1983-07-15 1985-01-24 EJOT Eberhard Jaeger GmbH & Co KG, 5928 Bad Laasphe Geraet zum ein- bzw. ausdrehen von schrauben
US6223634B1 (en) * 1997-10-03 2001-05-01 Phillips Screw Company Recessed head fastener and driver systems
WO1999047820A1 (es) 1998-03-18 1999-09-23 Francisco Casino Lorite Conjunto de tornillo y destornillador mutuamente autoagarrables

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2432110A1 (fr) * 1978-07-26 1980-02-22 Technofast Inc Vis a evidement cruciforme
FR2558220A1 (fr) * 1984-01-17 1985-07-19 Barge Bulloneria Vis utilisables avec des couples de serrage precis

Also Published As

Publication number Publication date
FI328173A (de) 1975-02-22
GB1486246A (en) 1977-09-21
SE7311365L (de) 1975-02-24
NO439473L (de) 1975-03-17
DE2440156A1 (de) 1975-03-06
DK572473A (de) 1975-04-28
FR2241715B3 (de) 1977-06-10

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Legal Events

Date Code Title Description
ST Notification of lapse