CH558696A - CONVERSION DRILLS AND METHOD OF MANUFACTURING THEREOF. - Google Patents

CONVERSION DRILLS AND METHOD OF MANUFACTURING THEREOF.

Info

Publication number: CH558696A
Authority: CH; Switzerland
Prior art keywords: drills; conversion; manufacturing; conversion drills
Prior art date: 1972-07-21

Application number

CH1064173A

Other languages

German (de)

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.)

1972-07-21

Filing date

1973-07-20

Publication date

1975-02-14

1973-07-20 Application filed by Osborn Mushet Tools Ltd filed Critical Osborn Mushet Tools Ltd

1975-02-14 Publication of CH558696A publication Critical patent/CH558696A/en

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

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Drilling Tools (AREA)
Milling, Broaching, Filing, Reaming, And Others (AREA)

CH1064173A 1972-07-21 1973-07-20 CONVERSION DRILLS AND METHOD OF MANUFACTURING THEREOF. CH558696A (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
CH558696A true CH558696A (en)	1975-02-14

Family

ID=10364237

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1064173A CH558696A (en)	1972-07-21	1973-07-20	CONVERSION DRILLS AND METHOD OF MANUFACTURING THEREOF.

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

1972
- 1972-07-21 GB GB3432572A patent/GB1432546A/en not_active Expired
1973
- 1973-07-09 CA CA176,008A patent/CA986338A/en not_active Expired
- 1973-07-10 ZA ZA734644A patent/ZA734644B/en unknown
- 1973-07-11 IN IN1631/CAL/1973A patent/IN138434B/en unknown
- 1973-07-12 AU AU58015/73A patent/AU470924B2/en not_active Expired
- 1973-07-17 AT AT628273A patent/AT324072B/en not_active IP Right Cessation
- 1973-07-17 SE SE7309992A patent/SE396027B/en unknown
- 1973-07-17 IL IL42761A patent/IL42761A/en unknown
- 1973-07-19 FR FR7326482A patent/FR2193673B1/fr not_active Expired
- 1973-07-19 DE DE19732336886 patent/DE2336886A1/en active Pending
- 1973-07-20 ES ES417523A patent/ES417523A1/en not_active Expired
- 1973-07-20 CH CH1064173A patent/CH558696A/en not_active IP Right Cessation
- 1973-07-20 IT IT26902/73A patent/IT991331B/en active
- 1973-07-20 JP JP48082626A patent/JPS49124690A/ja active Pending
- 1973-07-20 DD DD172404A patent/DD108226A5/xx unknown
- 1973-07-20 BE BE133714A patent/BE802619A/en unknown
- 1973-07-20 NL NL7310188A patent/NL7310188A/xx unknown
- 1973-07-26 CS CS7300005225A patent/CS181722B2/en unknown

Also Published As

Publication number	Publication date
JPS49124690A (en)	1974-11-28
FR2193673A1 (en)	1974-02-22
DE2336886A1 (en)	1974-01-31
ES417523A1 (en)	1976-03-01
NL7310188A (en)	1974-01-23
BE802619A (en)	1973-11-16
DD108226A5 (en)	1974-09-12
IN138434B (en)	1976-01-31
SE396027B (en)	1977-09-05
IT991331B (en)	1975-07-30
GB1432546A (en)	1976-04-22
AU470924B2 (en)	1976-04-01
CA986338A (en)	1976-03-30
FR2193673B1 (en)	1977-08-12
AT324072B (en)	1975-08-11
CS181722B2 (en)	1978-03-31
AU5801573A (en)	1975-01-16
IL42761A0 (en)	1973-10-25
ZA734644B (en)	1974-06-26
IL42761A (en)	1977-05-31

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Legal Events

Date	Code	Title	Description
1979-04-12	PL	Patent ceased