ZA811222B - Self-drilling,self-tapping fastener - Google Patents

Self-drilling,self-tapping fastener

Info

Publication number
ZA811222B
ZA811222B ZA00811222A ZA811222A ZA811222B ZA 811222 B ZA811222 B ZA 811222B ZA 00811222 A ZA00811222 A ZA 00811222A ZA 811222 A ZA811222 A ZA 811222A ZA 811222 B ZA811222 B ZA 811222B
Authority
ZA
South Africa
Prior art keywords
self
drilling
tapping fastener
tapping
fastener
Prior art date
Application number
ZA00811222A
Inventor
Bettini John Ernest
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 ZA811222B publication Critical patent/ZA811222B/en

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
ZA00811222A 1980-03-07 1981-02-24 Self-drilling,self-tapping fastener ZA811222B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA811222B true ZA811222B (en) 1982-09-29

Family

ID=22434207

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00811222A ZA811222B (en) 1980-03-07 1981-02-24 Self-drilling,self-tapping fastener

Country Status (11)

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

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 (en) * 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 Screw tool
DE3346704A1 (en) * 1983-12-23 1985-07-04 Richter-System GmbH & Co KG, 6103 Griesheim SELF-TAPING QUICK-SCREW SCREW
SE442047B (en) * 1984-05-23 1985-11-25 Anders Sahlin TRESKRUV
CH682174A5 (en) * 1990-06-23 1993-07-30 Mungo Befestigungstech Ag
JP3245464B2 (en) * 1992-11-26 2002-01-15 株式会社スズキ螺子製作所 Loosening prevention screw
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
CN111194188B (en) * 2017-10-09 2023-05-30 康曼德公司 Easily-started hollow 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 (en) * 1961-12-01 1969-02-13 Jllinois Tool Works Inc screw
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 (en) * 1968-10-23 1974-08-12 Bultfabriks Ab Self-tapping screw and procedure for its manufacture.
DE2913482A1 (en) * 1979-04-04 1980-10-16 Frank Knoche Self-drilling screw design - has non-round tip offset from centre line of shank

Also Published As

Publication number Publication date
AU6763781A (en) 1981-09-10
IT8120125A0 (en) 1981-03-04
AU543900B2 (en) 1985-05-09
BR8101270A (en) 1981-09-08
GB2070996B (en) 1984-01-04
MX151872A (en) 1985-04-15
IE810488L (en) 1981-09-07
FR2477649B1 (en) 1985-12-06
JPS56134613A (en) 1981-10-21
IE51170B1 (en) 1986-10-29
IT1137407B (en) 1986-09-10
GB2070996A (en) 1981-09-16
JPH0223725B2 (en) 1990-05-25
CA1142000A (en) 1983-03-01
DE3108010A1 (en) 1982-01-07
FR2477649A1 (en) 1981-09-11

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