GB1552377A - Spade drill and reversible blade therefor - Google Patents
Spade drill and reversible blade thereforInfo
- Publication number
- GB1552377A GB1552377A GB29118/76A GB2911876A GB1552377A GB 1552377 A GB1552377 A GB 1552377A GB 29118/76 A GB29118/76 A GB 29118/76A GB 2911876 A GB2911876 A GB 2911876A GB 1552377 A GB1552377 A GB 1552377A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spade drill
- reversible blade
- blade therefor
- therefor
- reversible
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/0002—Drills with connected cutting heads, e.g. with non-exchangeable cutting heads; Drills with a single insert extending across the rotational axis and having at least two radially extending cutting edges in the working position
- B23B51/0003—Drills with connected cutting heads, e.g. with non-exchangeable cutting heads; Drills with a single insert extending across the rotational axis and having at least two radially extending cutting edges in the working position with exchangeable heads or inserts
- B23B51/00035—Spade 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
- B23B2251/48—Chip breakers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US59560775A | 1975-07-14 | 1975-07-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1552377A true GB1552377A (en) | 1979-09-12 |
Family
ID=24383943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB29118/76A Expired GB1552377A (en) | 1975-07-14 | 1976-07-13 | Spade drill and reversible blade therefor |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5252293A (en) |
BR (1) | BR7604579A (en) |
DE (5) | DE2539855B2 (en) |
ES (1) | ES449801A1 (en) |
FR (1) | FR2317989A1 (en) |
GB (1) | GB1552377A (en) |
IT (1) | IT1069194B (en) |
SE (1) | SE7607996L (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2185200A (en) * | 1986-01-09 | 1987-07-15 | Kwo Werkzeuge Gmbh | Drilling tool bit |
GB2201910A (en) * | 1987-02-23 | 1988-09-14 | Joseph Spencer | Drilling bit |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5725772Y2 (en) * | 1977-08-01 | 1982-06-04 | ||
FR2421022A1 (en) * | 1978-03-31 | 1979-10-26 | Centre Techn Ind Mecanique | Blade for cutting round holes by enlargement - has two inclined lips with recessed cutting faces bounded by shoulders which curl chips |
DE2941179B1 (en) * | 1979-10-11 | 1981-05-21 | Mapal Fabrik für Präzisionswerkzeuge Kress KG, 7080 Aalen | Tool |
DE3001120C2 (en) * | 1980-01-14 | 1982-08-26 | Fa. Gottlieb Gühring, 7470 Ebingen | Pointed drilling tool with exchangeable drilling knife |
DE3022104C2 (en) * | 1980-06-12 | 1982-08-19 | Mapal Fabrik für Präzisionswerkzeuge Dr.Kress KG, 7080 Aalen | Cutting tool with insert |
DE3204210C2 (en) * | 1982-02-08 | 1986-04-03 | Stellram GmbH, 6056 Heusenstamm | Drilling tool for metallic materials |
DE3277111D1 (en) * | 1982-06-10 | 1987-10-08 | Seco Tools Ab | Cutting tool and cutting insert therefor |
JPS62117009U (en) * | 1986-01-17 | 1987-07-25 | ||
US4984944A (en) * | 1987-02-09 | 1991-01-15 | Vermont American Corporation | Drill bit blade for masonry and rock drill |
JPS6442814U (en) * | 1987-09-04 | 1989-03-14 | ||
DE3737315A1 (en) * | 1987-11-04 | 1989-05-18 | Link Johann & Ernst Gmbh & Co | Tool for boring and thread cutting |
US5338135A (en) * | 1991-04-11 | 1994-08-16 | Sumitomo Electric Industries, Ltd. | Drill and lock screw employed for fastening the same |
DE4239257C2 (en) * | 1992-11-21 | 1998-02-26 | Mapal Fab Praezision | Point drilling tool |
DE4239311C2 (en) * | 1992-11-23 | 1996-04-18 | Guehring Joerg Dr | Drills, especially pointed drilling tools with exchangeable cutting inserts |
DE19834635C2 (en) * | 1998-07-31 | 2001-07-26 | Guehring Joerg | Drilling tool with an exchangeable cutting insert that is secured against loosening |
JP4628113B2 (en) * | 2005-01-13 | 2011-02-09 | オーエスジー株式会社 | Throw-away cutting tool and throw-away tip |
JP4709621B2 (en) * | 2005-09-22 | 2011-06-22 | 住友電工ハードメタル株式会社 | Cutting edge replaceable tool |
JP4747314B2 (en) * | 2008-05-30 | 2011-08-17 | 三菱マテリアル株式会社 | Throw-away drill |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3658434A (en) * | 1970-04-03 | 1972-04-25 | Erickson Tool Co | Anti-chatter guides for spade drill |
DE2216760C2 (en) * | 1972-04-07 | 1982-11-11 | Hawera Probst Gmbh + Co, 7980 Ravensburg | Rock drill |
DE2523201C2 (en) * | 1975-05-26 | 1983-04-07 | Fried. Krupp Gmbh, 4300 Essen | Point drilling tool |
-
1975
- 1975-09-08 DE DE2539855A patent/DE2539855B2/en active Granted
- 1975-09-08 DE DE7528316U patent/DE7528316U/en not_active Expired
- 1975-09-08 DE DE2560621A patent/DE2560621C3/de not_active Expired - Lifetime
-
1976
- 1976-03-04 DE DE2608808A patent/DE2608808C3/en not_active Expired
- 1976-03-04 DE DE2608809A patent/DE2608809C3/en not_active Expired
- 1976-07-13 GB GB29118/76A patent/GB1552377A/en not_active Expired
- 1976-07-13 SE SE7607996A patent/SE7607996L/en unknown
- 1976-07-13 ES ES449801A patent/ES449801A1/en not_active Expired
- 1976-07-13 FR FR7621521A patent/FR2317989A1/en active Granted
- 1976-07-13 BR BR7604579A patent/BR7604579A/en unknown
- 1976-07-14 IT IT7683632A patent/IT1069194B/en active
- 1976-07-14 JP JP51083907A patent/JPS5252293A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2185200A (en) * | 1986-01-09 | 1987-07-15 | Kwo Werkzeuge Gmbh | Drilling tool bit |
GB2185200B (en) * | 1986-01-09 | 1989-11-15 | Kwo Werkzeuge Gmbh | Drilling tool |
GB2201910A (en) * | 1987-02-23 | 1988-09-14 | Joseph Spencer | Drilling bit |
Also Published As
Publication number | Publication date |
---|---|
DE2560621C3 (en) | 1990-05-10 |
DE2539855A1 (en) | 1977-01-27 |
FR2317989B3 (en) | 1979-04-06 |
DE2608808C3 (en) | 1979-01-04 |
IT1069194B (en) | 1985-03-25 |
DE2539855B2 (en) | 1978-03-30 |
DE2608809B2 (en) | 1978-08-10 |
DE2539855C3 (en) | 1987-07-09 |
SE7607996L (en) | 1977-01-15 |
BR7604579A (en) | 1977-08-02 |
DE2560621A1 (en) | 1985-05-02 |
DE2608808A1 (en) | 1977-01-27 |
FR2317989A1 (en) | 1977-02-11 |
DE7528316U (en) | 1977-08-18 |
DE2608809A1 (en) | 1977-01-20 |
DE2608808B2 (en) | 1978-04-27 |
ES449801A1 (en) | 1977-08-01 |
JPS5252293A (en) | 1977-04-26 |
DE2608809C3 (en) | 1979-04-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19940713 |