IT1161879B - Utensili di foratura del tipo a taglienti principali e taglienti centrali associati - Google Patents
Utensili di foratura del tipo a taglienti principali e taglienti centrali associatiInfo
- Publication number
- IT1161879B IT1161879B IT19450/83A IT1945083A IT1161879B IT 1161879 B IT1161879 B IT 1161879B IT 19450/83 A IT19450/83 A IT 19450/83A IT 1945083 A IT1945083 A IT 1945083A IT 1161879 B IT1161879 B IT 1161879B
- Authority
- IT
- Italy
- Prior art keywords
- drilling tools
- main cutter
- cutter type
- associated central
- central cutters
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title 1
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
- B23B2251/202—Three 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
- B23B2251/40—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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3205051A DE3205051C2 (de) | 1982-02-12 | 1982-02-12 | Bohrwerkzeug |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8319450A0 IT8319450A0 (it) | 1983-02-04 |
IT1161879B true IT1161879B (it) | 1987-03-18 |
Family
ID=6155561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19450/83A IT1161879B (it) | 1982-02-12 | 1983-02-04 | Utensili di foratura del tipo a taglienti principali e taglienti centrali associati |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS58137513A (it) |
CH (1) | CH658421A5 (it) |
DE (1) | DE3205051C2 (it) |
FR (1) | FR2521468B1 (it) |
GB (1) | GB2114479B (it) |
IT (1) | IT1161879B (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5981010A (ja) * | 1982-10-29 | 1984-05-10 | Nippon Oil & Fats Co Ltd | 穴明け工具 |
DE3407232C2 (de) * | 1984-02-28 | 1995-02-23 | Kieninger Walter Gmbh | Vollbohrwerkzeug |
JPS60146605U (ja) * | 1984-03-12 | 1985-09-28 | 住友電気工業株式会社 | ドリル構造 |
JPS62184908U (it) * | 1986-05-14 | 1987-11-25 | ||
DE3624617C2 (de) * | 1986-07-21 | 1995-06-29 | Almue Praezisionswerkzeuge Gmb | Bohrwerkzeug |
US5011342A (en) * | 1988-03-14 | 1991-04-30 | 501 Greenfield Industries, Inc. | Twist drill |
GB2233920A (en) * | 1989-07-18 | 1991-01-23 | Sandvik Ltd | Fluted drill |
JPH0362714U (it) * | 1989-10-23 | 1991-06-19 | ||
SE522600C2 (sv) * | 2001-10-24 | 2004-02-24 | Seco Tools Ab | Borrverktyg för skärande bearbetning med tre skäreggar vid vilka tre spolkanaler mynnar |
EP2269753A1 (en) * | 2009-07-03 | 2011-01-05 | Teng-Hung Wang | Tool device having different tool blades |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE415844A (it) * | 1935-05-20 | |||
DE7710873U1 (de) * | 1977-04-06 | 1977-07-21 | Hermann Bilz Gmbh & Co, 7300 Esslingen | Bohrwerkzeug |
DE3131794C2 (de) * | 1980-08-29 | 1986-08-07 | Toshiaki Osaka Hosoi | Bohrer |
-
1982
- 1982-02-12 DE DE3205051A patent/DE3205051C2/de not_active Expired
-
1983
- 1983-01-17 CH CH225/83A patent/CH658421A5/de not_active IP Right Cessation
- 1983-01-19 GB GB08301414A patent/GB2114479B/en not_active Expired
- 1983-01-20 FR FR8300873A patent/FR2521468B1/fr not_active Expired
- 1983-02-01 JP JP58016012A patent/JPS58137513A/ja active Pending
- 1983-02-04 IT IT19450/83A patent/IT1161879B/it active
Also Published As
Publication number | Publication date |
---|---|
CH658421A5 (de) | 1986-11-14 |
JPS58137513A (ja) | 1983-08-16 |
GB2114479B (en) | 1985-08-29 |
GB8301414D0 (en) | 1983-02-23 |
FR2521468A1 (fr) | 1983-08-19 |
DE3205051A1 (de) | 1983-08-25 |
IT8319450A0 (it) | 1983-02-04 |
FR2521468B1 (fr) | 1986-08-29 |
GB2114479A (en) | 1983-08-24 |
DE3205051C2 (de) | 1983-12-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970226 |