FR2124857A5 - - Google Patents
Info
- Publication number
- FR2124857A5 FR2124857A5 FR7202485A FR7202485A FR2124857A5 FR 2124857 A5 FR2124857 A5 FR 2124857A5 FR 7202485 A FR7202485 A FR 7202485A FR 7202485 A FR7202485 A FR 7202485A FR 2124857 A5 FR2124857 A5 FR 2124857A5
- Authority
- FR
- France
- 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
- B23B51/02—Twist drills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/009—Stepped drills
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
- E21B10/40—Percussion drill bits with leading portion
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
- E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2226/00—Materials of tools or workpieces not comprising a metal
- B23B2226/75—Stone, rock or concrete
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2240/00—Details of connections of tools or workpieces
- B23B2240/08—Brazed connections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/50—Drilling tools comprising cutting inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/60—Drills with pilots
- B23B2251/603—Detachable pilots, e.g. in the form of a drill
- B23B2251/606—Detachable pilots, e.g. in the form of a drill being a twist drill
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7202485A FR2124857A5 (en) | 1972-01-20 | 1972-01-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7202485A FR2124857A5 (en) | 1972-01-20 | 1972-01-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2124857A5 true FR2124857A5 (en) | 1972-09-22 |
Family
ID=9092439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7202485A Expired FR2124857A5 (en) | 1972-01-20 | 1972-01-20 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2124857A5 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0865854A1 (en) * | 1997-02-22 | 1998-09-23 | HILTI Aktiengesellschaft | Drill and or chisel tool |
JP2013000843A (en) * | 2011-06-17 | 2013-01-07 | Makotoroi Kogyo Kk | Drill |
US20210339322A1 (en) * | 2020-04-30 | 2021-11-04 | The Boeing Company | Tools and Methods for Forming Aligned Holes From Near Full-Sized Holes |
EP4410460A1 (en) * | 2023-02-03 | 2024-08-07 | Hilti Aktiengesellschaft | Hammer drill |
-
1972
- 1972-01-20 FR FR7202485A patent/FR2124857A5/fr not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0865854A1 (en) * | 1997-02-22 | 1998-09-23 | HILTI Aktiengesellschaft | Drill and or chisel tool |
US6089337A (en) * | 1997-02-22 | 2000-07-18 | Hilti Aktiengesellschaft | Drilling and/or chiseling tool |
JP2013000843A (en) * | 2011-06-17 | 2013-01-07 | Makotoroi Kogyo Kk | Drill |
US9409239B2 (en) | 2011-06-17 | 2016-08-09 | Makotoloy Co., Ltd. | Drill bit |
US20210339322A1 (en) * | 2020-04-30 | 2021-11-04 | The Boeing Company | Tools and Methods for Forming Aligned Holes From Near Full-Sized Holes |
US11260459B2 (en) * | 2020-04-30 | 2022-03-01 | The Boeing Company | Tools and methods for forming aligned holes from near full-sized holes |
EP4410460A1 (en) * | 2023-02-03 | 2024-08-07 | Hilti Aktiengesellschaft | Hammer drill |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |