AU500271B2 - Twist drill - Google Patents

Twist drill

Info

Publication number: AU500271B2
Authority: AU; Australia
Prior art keywords: twist drill; twist; drill
Prior art date: 1974-05-17
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

AU81256/75A

Other versions

AU8125675A (en

Inventor

K Siddall

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.)

OSBORN-MUSHET TOOLS Ltd

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.)

1974-05-17

Filing date

1975-05-19

Publication date

1979-05-17

1975-05-19 Application filed by Osborn Mushet Tools Ltd filed Critical Osborn Mushet Tools Ltd

1976-11-25 Publication of AU8125675A publication Critical patent/AU8125675A/en

1979-05-17 Application granted granted Critical

1979-05-17 Publication of AU500271B2 publication Critical patent/AU500271B2/en

Status Expired legal-status Critical Current

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
- B23B2251/04—Angles, e.g. cutting angles
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/04—Angles, e.g. cutting angles
- B23B2251/043—Helix angles
- 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
- B23B2251/40—Flutes, i.e. chip conveying grooves
- B23B2251/406—Flutes, i.e. chip conveying grooves of special form not otherwise provided for

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Drilling Tools (AREA)

AU81256/75A 1974-05-17 1975-05-19 Twist drill Expired AU500271B2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GBGB22100/74		1974-05-17
GB22130/74A GB1509912A (en)	1974-05-17	1974-05-17	Twist drills

Publications (2)

Publication Number	Publication Date
AU8125675A AU8125675A (en)	1976-11-25
AU500271B2 true AU500271B2 (en)	1979-05-17

Family

ID=10174379

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU81256/75A Expired AU500271B2 (en)	1974-05-17	1975-05-19	Twist drill

Country Status (15)

Country	Link
JP (1)	JPS50156790A (en)
AU (1)	AU500271B2 (en)
BR (1)	BR7503011A (en)
CA (1)	CA1022775A (en)
DE (1)	DE2521938C3 (en)
ES (1)	ES437919A1 (en)
FR (1)	FR2270978A1 (en)
GB (1)	GB1509912A (en)
IE (1)	IE41050B1 (en)
IL (1)	IL47302A (en)
IN (1)	IN144887B (en)
IT (1)	IT1038197B (en)
NL (1)	NL7505612A (en)
SE (1)	SE7505581L (en)
ZA (1)	ZA753040B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5331286A (en) *	1976-09-02	1978-03-24	Riyousuke Hosoi	Ball end mill
SE8300910L (en) *	1983-02-18	1984-08-19	Santrade Ltd	COMPOSITION BODY CONSISTS OF A SUBSTRATE COATED WITH HEART, Wear-resistant finish
GB2184046B (en) *	1985-12-13	1990-01-24	Skf & Dormer Tools	Twist drill
JPS634211U (en) *	1986-06-23	1988-01-12
US5046902A (en) *	1988-10-21	1991-09-10	Zubov Alexei V	Spiral drill
EP1275458A1 (en) *	2001-07-10	2003-01-15	Mitsubishi Materials Corporation	Drill
JP2006055965A (en) *	2004-08-23	2006-03-02	Osg Corp	Cemented carbide drill causing low work hardening
CN102438786A (en) *	2009-02-20	2012-05-02	Osg株式会社	tap with drill bit

1974
- 1974-05-17 GB GB22130/74A patent/GB1509912A/en not_active Expired
1975
- 1975-05-08 IE IE1033/75A patent/IE41050B1/en unknown
- 1975-05-09 CA CA226,654A patent/CA1022775A/en not_active Expired
- 1975-05-12 ZA ZA00753040A patent/ZA753040B/en unknown
- 1975-05-13 NL NL7505612A patent/NL7505612A/en not_active Application Discontinuation
- 1975-05-14 IL IL47302A patent/IL47302A/en unknown
- 1975-05-14 IN IN971/CAL/1975A patent/IN144887B/en unknown
- 1975-05-15 FR FR7515147A patent/FR2270978A1/fr not_active Withdrawn
- 1975-05-15 SE SE7505581A patent/SE7505581L/en unknown
- 1975-05-15 BR BR3840/75D patent/BR7503011A/en unknown
- 1975-05-16 IT IT23421/75A patent/IT1038197B/en active
- 1975-05-16 DE DE2521938A patent/DE2521938C3/en not_active Expired
- 1975-05-16 ES ES437919A patent/ES437919A1/en not_active Expired
- 1975-05-16 JP JP50058458A patent/JPS50156790A/ja active Pending
- 1975-05-19 AU AU81256/75A patent/AU500271B2/en not_active Expired

Also Published As

Publication number	Publication date
IT1038197B (en)	1979-11-20
NL7505612A (en)	1975-11-19
CA1022775A (en)	1977-12-20
SE7505581L (en)	1975-11-18
IE41050L (en)	1975-11-17
GB1509912A (en)	1978-05-04
ZA753040B (en)	1976-04-28
DE2521938B2 (en)	1979-07-05
BR7503011A (en)	1976-04-20
ES437919A1 (en)	1977-01-01
IL47302A0 (en)	1975-07-28
IL47302A (en)	1978-03-10
DE2521938C3 (en)	1980-03-06
FR2270978A1 (en)	1975-12-12
IN144887B (en)	1978-07-22
DE2521938A1 (en)	1975-11-27
AU8125675A (en)	1976-11-25
IE41050B1 (en)	1979-10-10
JPS50156790A (en)	1975-12-18

Publication	Publication Date	Title
AU474759B2 (en)	1976-07-29	Spade bit
CA1019206A (en)	1977-10-18	Seed drill
CA1024978A (en)	1978-01-24	Rock drilling
CA1023142A (en)	1977-12-27	Bit coupling means
CA1027549A (en)	1978-03-07	Boring apparatus
AU502065B2 (en)	1979-07-12	Shrink-packaged well tool
CA1034014A (en)	1978-07-04	Hammer
CA1018374A (en)	1977-10-04	Portable boring bar
CA1005045A (en)	1977-02-08	Rock drill
CA1031965A (en)	1978-05-30	Tapering tool
AU500271B2 (en)	1979-05-17	Twist drill
CA1030986A (en)	1978-05-09	Drilling machines
CA1024787A (en)	1978-01-24	Hand tool
AU475683B2 (en)	1976-09-02	Drilling apparatus
CA1011952A (en)	1977-06-14	Sharpener for twist drills or the like
CA1029366A (en)	1978-04-11	Drill bits
AU495488B2 (en)	1976-06-17	Mining tool
SU585986A1 (en)	1977-12-30	Drill
SU659719A1 (en)	1979-04-30	Rock-breaking member
ZA757476B (en)	1976-11-24	Drill unit
CA978934A (en)	1975-12-02	Drill bit
CA1011327A (en)	1977-05-31	Oriented drilling tool
AU494538B2 (en)	1976-11-18	Tool
CA1009263A (en)	1977-04-26	Mining tool
AU481678B2 (en)		Mining tool