CA1175688A - Drill screw and cutters for making same - Google Patents

Drill screw and cutters for making same

Info

Publication number
CA1175688A
CA1175688A CA000363978A CA363978A CA1175688A CA 1175688 A CA1175688 A CA 1175688A CA 000363978 A CA000363978 A CA 000363978A CA 363978 A CA363978 A CA 363978A CA 1175688 A CA1175688 A CA 1175688A
Authority
CA
Canada
Prior art keywords
pair
flutes
self
fastener
heel
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
CA000363978A
Other languages
English (en)
French (fr)
Inventor
Henry A. Sygnator
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
Application granted granted Critical
Publication of CA1175688A publication Critical patent/CA1175688A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/10Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws
    • F16B25/103Screws 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C5/00Milling-cutters
    • B23C5/02Milling-cutters characterised by the shape of the cutter
    • B23C5/12Cutters specially designed for producing particular profiles
    • B23C5/14Cutters specially designed for producing particular profiles essentially comprising curves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/0036Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0084Screws 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Drilling Tools (AREA)
  • Milling Processes (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Dental Preparations (AREA)
  • Dowels (AREA)
  • Forging (AREA)
CA000363978A 1979-11-26 1980-11-04 Drill screw and cutters for making same Expired CA1175688A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9746079A 1979-11-26 1979-11-26
US97,460 1979-11-26

Publications (1)

Publication Number Publication Date
CA1175688A true CA1175688A (en) 1984-10-09

Family

ID=22263470

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000363978A Expired CA1175688A (en) 1979-11-26 1980-11-04 Drill screw and cutters for making same

Country Status (24)

Country Link
JP (1) JPS5686217A (zh)
AR (1) AR224552A1 (zh)
AT (1) AT380733B (zh)
AU (1) AU539311B2 (zh)
BE (1) BE886331A (zh)
BR (1) BR8007606A (zh)
CA (1) CA1175688A (zh)
CH (1) CH640318A5 (zh)
DE (1) DE3044001A1 (zh)
DK (1) DK151590C (zh)
ES (1) ES263215Y (zh)
FI (1) FI77094C (zh)
FR (1) FR2470281B1 (zh)
GB (3) GB2100157B (zh)
IE (1) IE51184B1 (zh)
IT (1) IT1134443B (zh)
LU (1) LU82954A1 (zh)
MX (2) MX171209B (zh)
NL (1) NL8006295A (zh)
NO (1) NO158554C (zh)
NZ (1) NZ195635A (zh)
PT (1) PT72081B (zh)
SE (1) SE8007945L (zh)
ZA (1) ZA806860B (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4565475A (en) * 1979-11-26 1986-01-21 Illinois Tool Works Inc. Drill point milling machine and method
GB2100628B (en) * 1981-06-25 1985-04-11 Shinjo Seisakusho Yk A drill screw
US4395173A (en) * 1981-06-30 1983-07-26 Illinois Tool Works Inc. Drill screw with protective burrs
JP2865823B2 (ja) * 1990-07-23 1999-03-08 国分化学工業株式会社 ドリルねじ
CH686637A5 (de) * 1992-06-18 1996-05-15 Mungo Befestigungstech Ag Schraubhulse.
DE102016222937A1 (de) * 2016-11-21 2018-05-24 Swg Schraubenwerk Gaisbach Gmbh Holzschraube und Verfahren zum Herstellen einer Holzschraube

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1294268A (en) * 1915-08-26 1919-02-11 Edward C Holmes Screw-spike.
US2479730A (en) * 1944-05-10 1949-08-23 Lockheed Aircraft Corp Screw
GB788745A (en) * 1955-05-18 1958-01-08 Ronald Fredrick Cox Improved twist drill
GB911025A (en) * 1959-10-30 1962-11-21 Gunther Claas Method for the production of cutting tools
US3463045A (en) * 1966-05-10 1969-08-26 Illinois Tool Works Drilling screw
GB1283834A (en) * 1970-04-23 1972-08-02 Le Metallichesky Zd Im Xxii Si Milling cutters
US3789725A (en) * 1971-10-06 1974-02-05 B Lindstrom Self-drilling and self-tapping fastener and method of manufacture thereof
US3786713A (en) * 1971-10-15 1974-01-22 Illinois Tool Works Chip breaker drill screw
FR2174350A5 (zh) * 1972-02-29 1973-10-12 Gresset Andre
US3933075A (en) * 1973-08-08 1976-01-20 Elco Industries, Inc. Self-drilling fastener and method of making same
GB1574126A (en) * 1977-02-21 1980-09-03 Grinding Aids Ltd Cutting tool for a mchine tool
US4147088A (en) * 1977-03-16 1979-04-03 Nl Industries, Inc. Drill screw
JPS61567Y2 (zh) * 1978-01-18 1986-01-10
JPS6128886Y2 (zh) * 1978-02-20 1986-08-27
US4295768A (en) * 1979-09-21 1981-10-20 Usm Corporation Chip breaker screws

Also Published As

Publication number Publication date
FI77094B (fi) 1988-09-30
FI803666L (fi) 1981-05-27
AT380733B (de) 1986-06-25
PT72081B (en) 1981-11-02
NZ195635A (en) 1986-03-14
NO803548L (no) 1981-05-27
ES263215U (es) 1983-01-01
LU82954A1 (de) 1981-06-04
IT8026206A0 (it) 1980-11-25
DK151590C (da) 1988-05-30
IE51184B1 (en) 1986-10-29
IE802443L (en) 1981-05-26
JPS6255006B2 (zh) 1987-11-18
DE3044001A1 (de) 1981-06-04
AR224552A1 (es) 1981-12-15
GB2100157A (en) 1982-12-22
DK502480A (da) 1981-05-27
DK151590B (da) 1987-12-14
PT72081A (en) 1980-12-01
FR2470281B1 (fr) 1985-12-06
MX171209B (es) 1993-10-07
FI77094C (fi) 1989-01-10
FR2470281A1 (fr) 1981-05-29
ATA572880A (de) 1985-11-15
BR8007606A (pt) 1981-06-02
GB2063731B (en) 1984-07-25
GB2101022A (en) 1983-01-12
AU6422080A (en) 1981-06-04
ES263215Y (es) 1983-07-01
SE8007945L (sv) 1981-05-27
GB2063731A (en) 1981-06-10
NO158554B (no) 1988-06-20
DE3044001C2 (zh) 1991-08-29
GB2101022B (en) 1984-05-10
NO158554C (no) 1988-09-28
GB2100157B (en) 1984-08-01
JPS5686217A (en) 1981-07-13
ZA806860B (en) 1982-06-30
BE886331A (nl) 1981-05-25
IT1134443B (it) 1986-08-13
MX152777A (es) 1986-05-21
AU539311B2 (en) 1984-09-20
NL8006295A (nl) 1981-06-16
CH640318A5 (fr) 1983-12-30

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Legal Events

Date Code Title Description
MKEX Expiry