GB2070996B - Self-drilling self-tapping screws - Google Patents

Self-drilling self-tapping screws

Info

Publication number
GB2070996B
GB2070996B GB8107152A GB8107152A GB2070996B GB 2070996 B GB2070996 B GB 2070996B GB 8107152 A GB8107152 A GB 8107152A GB 8107152 A GB8107152 A GB 8107152A GB 2070996 B GB2070996 B GB 2070996B
Authority
GB
United Kingdom
Prior art keywords
self
drilling
tapping screws
tapping
screws
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
GB8107152A
Other versions
GB2070996A (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.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works Inc
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 Inc filed Critical Illinois Tool Works Inc
Publication of GB2070996A publication Critical patent/GB2070996A/en
Application granted granted Critical
Publication of GB2070996B publication Critical patent/GB2070996B/en
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
    • 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)
GB8107152A 1980-03-07 1981-03-06 Self-drilling self-tapping screws Expired GB2070996B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
GB2070996A GB2070996A (en) 1981-09-16
GB2070996B true GB2070996B (en) 1984-01-04

Family

ID=22434207

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8107152A Expired GB2070996B (en) 1980-03-07 1981-03-06 Self-drilling self-tapping screws

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
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 (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.
DE7909735U1 (en) * 1979-04-04 1979-11-22 Knoche, Frank, 5758 Froendenberg Self-drilling screw

Also Published As

Publication number Publication date
BR8101270A (en) 1981-09-08
GB2070996A (en) 1981-09-16
IT1137407B (en) 1986-09-10
DE3108010A1 (en) 1982-01-07
JPH0223725B2 (en) 1990-05-25
AU6763781A (en) 1981-09-10
AU543900B2 (en) 1985-05-09
IT8120125A0 (en) 1981-03-04
ZA811222B (en) 1982-09-29
MX151872A (en) 1985-04-15
FR2477649A1 (en) 1981-09-11
JPS56134613A (en) 1981-10-21
IE810488L (en) 1981-09-07
IE51170B1 (en) 1986-10-29
CA1142000A (en) 1983-03-01
FR2477649B1 (en) 1985-12-06

Similar Documents

Publication Publication Date Title
AT369871B (en) SELF-DRILLING SCREW
NZ189690A (en) Self-tapping screw and screw blank
JPS56160413A (en) Screw with hole
GB8315077D0 (en) Threaded fastener
IT1149606B (en) SELF-TAPPING SCREW
GB8616610D0 (en) Self-tapping screw fastening apparatus
DE3261644D1 (en) Screw threaded fastener
YU35181A (en) Self-drilling fixing element
JPS5733209A (en) Tapping screw
GB2187408B (en) Self-tapping screw
GB2070996B (en) Self-drilling self-tapping screws
GB2058616B (en) Self-drilling screw
GB2040769B (en) Self-tapping screw
AU543891B2 (en) An improved bushing with self-tapping threads
GB2140891B (en) Swaged-in threaded fastener
GB8404024D0 (en) Threaded fastener
SG108491G (en) Self-drilling screw
GB2142566B (en) Screw fasteners
GB2123509B (en) Screw fasteners
AU575346B2 (en) Self - drilling screw
JPS56160415A (en) Tapping screw
GB8404970D0 (en) Screw fasteners
JPS56143813A (en) Loosening-proof screw
AU2726377A (en) Self-tapping screw fastenings
IE801681L (en) Self-drilling and self tapping screw

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940306