FR1255865A - Dispositif de fixation fileté à tête évidée - Google Patents

Dispositif de fixation fileté à tête évidée

Info

Publication number
FR1255865A
FR1255865A FR825977A FR825977A FR1255865A FR 1255865 A FR1255865 A FR 1255865A FR 825977 A FR825977 A FR 825977A FR 825977 A FR825977 A FR 825977A FR 1255865 A FR1255865 A FR 1255865A
Authority
FR
France
Prior art keywords
threaded fastener
hollow head
head threaded
hollow
fastener
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
FR825977A
Other languages
English (en)
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.)
Phillips Screw Co
Original Assignee
Phillips Screw Co
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 Phillips Screw Co filed Critical Phillips Screw Co
Priority to FR825977A priority Critical patent/FR1255865A/fr
Application granted granted Critical
Publication of FR1255865A publication Critical patent/FR1255865A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16B23/0023—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 substantially cross-shaped
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B15/00—Screwdrivers
    • B25B15/001—Screwdrivers characterised by material or shape of the tool bit
    • B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
    • B25B15/005—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section with cross- or star-shaped cross-section
    • 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
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041—Specially-shaped shafts
    • F16B35/044—Specially-shaped ends
    • F16B35/045—Specially-shaped ends for retention or rotation by a tool

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR825977A 1959-05-05 1960-05-02 Dispositif de fixation fileté à tête évidée Expired FR1255865A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR825977A FR1255865A (fr) 1959-05-05 1960-05-02 Dispositif de fixation fileté à tête évidée

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81110559A 1959-05-05 1959-05-05
FR825977A FR1255865A (fr) 1959-05-05 1960-05-02 Dispositif de fixation fileté à tête évidée

Publications (1)

Publication Number Publication Date
FR1255865A true FR1255865A (fr) 1961-03-10

Family

ID=26185854

Family Applications (1)

Application Number Title Priority Date Filing Date
FR825977A Expired FR1255865A (fr) 1959-05-05 1960-05-02 Dispositif de fixation fileté à tête évidée

Country Status (1)

Country Link
FR (1) FR1255865A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1675640B1 (de) * 1961-05-26 1969-12-11 Gkn Screws Fasteners Ltd Kreuzschlitzschraube
US6182657B1 (en) * 1995-09-18 2001-02-06 Resmed Limited Pressure control in CPAP treatment or assisted respiration

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1675640B1 (de) * 1961-05-26 1969-12-11 Gkn Screws Fasteners Ltd Kreuzschlitzschraube
US6182657B1 (en) * 1995-09-18 2001-02-06 Resmed Limited Pressure control in CPAP treatment or assisted respiration
US6526974B1 (en) 1995-09-18 2003-03-04 John William Ernest Brydon Pressure control in CPAP treatment or assisted respiration

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