IT1137407B - Elemento di fissaggio autotrapanante, autofilettante - Google Patents

Elemento di fissaggio autotrapanante, autofilettante

Info

Publication number
IT1137407B
IT1137407B IT20125/81A IT2012581A IT1137407B IT 1137407 B IT1137407 B IT 1137407B IT 20125/81 A IT20125/81 A IT 20125/81A IT 2012581 A IT2012581 A IT 2012581A IT 1137407 B IT1137407 B IT 1137407B
Authority
IT
Italy
Prior art keywords
self
tapping
fixing element
threading fixing
threading
Prior art date
Application number
IT20125/81A
Other languages
English (en)
Other versions
IT8120125A0 (it
Inventor
John Ernest Bettini
Original Assignee
Illinois Tool Works
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 Illinois Tool Works filed Critical Illinois Tool Works
Publication of IT8120125A0 publication Critical patent/IT8120125A0/it
Application granted granted Critical
Publication of IT1137407B publication Critical patent/IT1137407B/it

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
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0084—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by geometric details of the tip
    • 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
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/001—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed
    • F16B25/0031—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed the screw being designed to be screwed into different materials, e.g. a layered structure or through metallic and wooden parts
    • 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
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0042—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw
    • F16B25/0068—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw with multiple-threads, e.g. a double thread screws
    • 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
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/10—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws
    • F16B25/103—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws by means of a drilling screw-point, i.e. with a cutting and material removing action

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Dowels (AREA)
  • Earth Drilling (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Drilling Tools (AREA)
  • Connection Of Plates (AREA)
IT20125/81A 1980-03-07 1981-03-04 Elemento di fissaggio autotrapanante, autofilettante IT1137407B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12821180A 1980-03-07 1980-03-07

Publications (2)

Publication Number Publication Date
IT8120125A0 IT8120125A0 (it) 1981-03-04
IT1137407B true IT1137407B (it) 1986-09-10

Family

ID=22434207

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20125/81A IT1137407B (it) 1980-03-07 1981-03-04 Elemento di fissaggio autotrapanante, autofilettante

Country Status (11)

Country Link
JP (1) JPS56134613A (it)
AU (1) AU543900B2 (it)
BR (1) BR8101270A (it)
CA (1) CA1142000A (it)
DE (1) DE3108010A1 (it)
FR (1) FR2477649B1 (it)
GB (1) GB2070996B (it)
IE (1) IE51170B1 (it)
IT (1) IT1137407B (it)
MX (1) MX151872A (it)
ZA (1) ZA811222B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439077A (en) * 1982-02-11 1984-03-27 Godsted Kent B Concrete screw anchor
JPS59164410A (ja) * 1983-03-07 1984-09-17 インテリア・フアスナ−ズ・インコ−ポレイテツド ねじ具
DE3346704A1 (de) * 1983-12-23 1985-07-04 Richter-System GmbH & Co KG, 6103 Griesheim Selbstschneidende schnellbauschraube
SE442047B (sv) * 1984-05-23 1985-11-25 Anders Sahlin Treskruv
CH682174A5 (it) * 1990-06-23 1993-07-30 Mungo Befestigungstech Ag
JP3245464B2 (ja) * 1992-11-26 2002-01-15 株式会社スズキ螺子製作所 弛み防止ねじ
US5779417A (en) * 1997-05-12 1998-07-14 Illinois Tool Works Inc. Fastener having primary and secondary threads
US7040850B2 (en) * 2003-08-04 2006-05-09 Power Products Iii, L.L.C. Fastener for use with frangible material
US20090185880A1 (en) * 2008-01-18 2009-07-23 Yongping Gong Universal fastener
US20150289916A1 (en) * 2014-04-15 2015-10-15 Chester H. Sharps Bone screws having more than three leads
US11490938B2 (en) * 2017-10-09 2022-11-08 Conmed Corporation Easy start cannulated bone screw

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3093028A (en) * 1959-02-05 1963-06-11 Eaton Mfg Co Self-drilling and self-tapping threaded fastener
DE1400842A1 (de) * 1961-12-01 1969-02-13 Jllinois Tool Works Inc Schraube
US3207024A (en) * 1962-08-20 1965-09-21 Illinois Tool Works Drill point screw
US3438299A (en) * 1968-01-26 1969-04-15 Illinois Tool Works Extruding screw
FI48297C (fi) * 1968-10-23 1974-08-12 Bultfabriks Ab Itsekierteityvä ruuvi ja menetelmä sen valmistamiseksi.
DE7909735U1 (de) * 1979-04-04 1979-11-22 Knoche, Frank, 5758 Froendenberg Selbstbohrende Schraube

Also Published As

Publication number Publication date
BR8101270A (pt) 1981-09-08
GB2070996A (en) 1981-09-16
GB2070996B (en) 1984-01-04
DE3108010A1 (de) 1982-01-07
JPH0223725B2 (it) 1990-05-25
AU6763781A (en) 1981-09-10
AU543900B2 (en) 1985-05-09
IT8120125A0 (it) 1981-03-04
ZA811222B (en) 1982-09-29
MX151872A (es) 1985-04-15
FR2477649A1 (fr) 1981-09-11
JPS56134613A (en) 1981-10-21
IE810488L (en) 1981-09-07
IE51170B1 (en) 1986-10-29
CA1142000A (en) 1983-03-01
FR2477649B1 (fr) 1985-12-06

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