SE396027B - SPIRAL DRILL - Google Patents

SPIRAL DRILL

Info

Publication number
SE396027B
SE396027B SE7309992A SE7309992A SE396027B SE 396027 B SE396027 B SE 396027B SE 7309992 A SE7309992 A SE 7309992A SE 7309992 A SE7309992 A SE 7309992A SE 396027 B SE396027 B SE 396027B
Authority
SE
Sweden
Prior art keywords
spiral drill
drill
spiral
Prior art date
Application number
SE7309992A
Other languages
Swedish (sv)
Inventor
K Siddall
Original Assignee
Osborn Mushet Tools Ltd
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 Osborn Mushet Tools Ltd filed Critical Osborn Mushet Tools Ltd
Publication of SE396027B publication Critical patent/SE396027B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/02—Twist drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/18—Configuration of the drill point
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/20—Number of cutting edges
    • B23B2251/204—Four cutting edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/24—Overall form of drilling tools
    • B23B2251/241—Cross sections of the diameter of the drill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/44—Margins, i.e. the narrow portion of the land which is not cut away to provide clearance on the circumferential surface
    • B23B2251/443—Double margin drills
SE7309992A 1972-07-21 1973-07-17 SPIRAL DRILL SE396027B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3432572A GB1432546A (en) 1972-07-21 1972-07-21 Twist drills

Publications (1)

Publication Number Publication Date
SE396027B true SE396027B (en) 1977-09-05

Family

ID=10364237

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7309992A SE396027B (en) 1972-07-21 1973-07-17 SPIRAL DRILL

Country Status (18)

Country Link
JP (1) JPS49124690A (en)
AT (1) AT324072B (en)
AU (1) AU470924B2 (en)
BE (1) BE802619A (en)
CA (1) CA986338A (en)
CH (1) CH558696A (en)
CS (1) CS181722B2 (en)
DD (1) DD108226A5 (en)
DE (1) DE2336886A1 (en)
ES (1) ES417523A1 (en)
FR (1) FR2193673B1 (en)
GB (1) GB1432546A (en)
IL (1) IL42761A (en)
IN (1) IN138434B (en)
IT (1) IT991331B (en)
NL (1) NL7310188A (en)
SE (1) SE396027B (en)
ZA (1) ZA734644B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5923925B2 (en) * 1975-12-29 1984-06-06 カブシキガイシヤ ササクラキカイセイサクシヨ Drill reamer
JPS52160183U (en) * 1976-05-28 1977-12-05
JPS541102Y2 (en) * 1976-06-10 1979-01-19
JPS59140116U (en) * 1983-03-07 1984-09-19 富士精工株式会社 Twist drill with guide part
DE3325149A1 (en) * 1983-07-12 1985-01-24 Gühring, Gottlieb, 7470 Albstadt Two-lipped twist drill as a combined centring, drilling and boring tool
JPS61249209A (en) * 1985-12-23 1986-11-06 Toyoda Gosei Co Ltd Reamer
CH670968A5 (en) * 1986-11-25 1989-07-31 Sphinxwerke Mueller Ag
US4756650A (en) * 1986-11-26 1988-07-12 Kabushiki Kaisha Kobe Seiko Sho Twist drill
DE3820485C1 (en) * 1988-06-16 1989-08-24 Helmut Dipl.-Ing. 1000 Berlin De Krauss Helical flutes in drill bit - incorporates straight sloping sides and circular rounded floor portion
JPH0731926Y2 (en) * 1989-01-10 1995-07-26 愛三工業株式会社 High feed burnishing drill
GB9606370D0 (en) * 1996-03-26 1996-06-05 Dormer Tools Sheffield Ltd Improvements in or relating to twist drills
GB2393681A (en) 2002-10-03 2004-04-07 Black & Decker Inc Masonry drilling tool
JP2006095662A (en) * 2004-09-30 2006-04-13 Omi Kogyo Co Ltd Burnishing boring tool
DE102009039170B4 (en) * 2009-08-27 2022-01-20 Kennametal Inc. drilling tool
JP5939001B2 (en) * 2012-01-16 2016-06-22 三菱日立ツール株式会社 drill
JP2017202541A (en) * 2016-05-11 2017-11-16 有限会社栄進機工 Drill reamer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2063753A (en) * 1932-09-27 1936-12-08 Edward J Pohlman Reamer

Also Published As

Publication number Publication date
FR2193673B1 (en) 1977-08-12
ZA734644B (en) 1974-06-26
IN138434B (en) 1976-01-31
ES417523A1 (en) 1976-03-01
CA986338A (en) 1976-03-30
AT324072B (en) 1975-08-11
IT991331B (en) 1975-07-30
CS181722B2 (en) 1978-03-31
FR2193673A1 (en) 1974-02-22
CH558696A (en) 1975-02-14
DE2336886A1 (en) 1974-01-31
NL7310188A (en) 1974-01-23
IL42761A (en) 1977-05-31
GB1432546A (en) 1976-04-22
AU470924B2 (en) 1976-04-01
JPS49124690A (en) 1974-11-28
DD108226A5 (en) 1974-09-12
BE802619A (en) 1973-11-16
IL42761A0 (en) 1973-10-25
AU5801573A (en) 1975-01-16

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