FR490690A - Perfectionnements aux outils foreurs - Google Patents
Perfectionnements aux outils foreursInfo
- Publication number
- FR490690A FR490690A FR490690A FR490690DA FR490690A FR 490690 A FR490690 A FR 490690A FR 490690 A FR490690 A FR 490690A FR 490690D A FR490690D A FR 490690DA FR 490690 A FR490690 A FR 490690A
- Authority
- FR
- France
- Prior art keywords
- drilling tools
- drilling
- tools
- 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
- B23B51/009—Stepped drills
-
- 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
- B23B2215/00—Details of workpieces
- B23B2215/28—Firearms, guns
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3868/18A GB123605A (en) | 1918-03-05 | 1918-03-05 | Improvements in or relating to Boring Tools. |
Publications (1)
Publication Number | Publication Date |
---|---|
FR490690A true FR490690A (fr) | 1919-05-03 |
Family
ID=32341538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR490690A Expired FR490690A (fr) | 1918-03-05 | 1918-06-29 | Perfectionnements aux outils foreurs |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR490690A (fr) |
GB (1) | GB123605A (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2794468A (en) * | 1952-12-04 | 1957-06-04 | Millers Falls Co | Woodcutting bit assembly |
US3076357A (en) * | 1961-08-21 | 1963-02-05 | Erickson Tool Co | Spade drill blade |
US3460409A (en) * | 1967-05-10 | 1969-08-12 | Allied Machine & Eng Corp | Chip breaker for spade drill |
US5011342A (en) * | 1988-03-14 | 1991-04-30 | 501 Greenfield Industries, Inc. | Twist drill |
US5338135A (en) * | 1991-04-11 | 1994-08-16 | Sumitomo Electric Industries, Ltd. | Drill and lock screw employed for fastening the same |
US8029215B2 (en) | 2007-01-05 | 2011-10-04 | Greenlee Textron Inc. | Spiral drill bit and method of forming same |
US20100247259A1 (en) * | 2009-03-26 | 2010-09-30 | Rick Davidian | Drill bit |
CN101856738A (zh) * | 2010-05-31 | 2010-10-13 | 施亨庆 | 一种钻头刀片和钻头 |
EP3305447B1 (fr) * | 2016-02-14 | 2023-03-29 | Tec-Spiral Enterprises Tools Co., Ltd. | Foret hélicoïdal à structure étagée |
US11007583B2 (en) | 2016-02-14 | 2021-05-18 | Hongjia Wang | Twist drill |
US10207335B2 (en) * | 2017-07-22 | 2019-02-19 | Picote Solutions Inc. | Device for opening connection to lined pipe |
DE102019135404A1 (de) * | 2019-12-20 | 2021-06-24 | Gühring KG | Spiralbohrer mit einer stufenstrukturierten Schneidspitze |
DE102021206792A1 (de) | 2021-06-30 | 2023-01-05 | Robert Bosch Gesellschaft mit beschränkter Haftung | Holzbohrvorrichtung, Holzbohrsystem und Verfahren zur Herstellung einer Holzbohrvorrichtung |
-
1918
- 1918-03-05 GB GB3868/18A patent/GB123605A/en not_active Expired
- 1918-06-29 FR FR490690A patent/FR490690A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB123605A (en) | 1919-03-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR497186A (fr) | Perfectionnements aux forets et autres outils à percer | |
FR490690A (fr) | Perfectionnements aux outils foreurs | |
FR534032A (fr) | Perfectionnements apportés aux crics | |
FR511156A (fr) | Perfectionnements aux arbres porte-outils | |
FR494594A (fr) | Perfectionnements aux machines-outils rotatives | |
FR21028E (fr) | Perfectionnements aux outils à grain rapporté | |
FR492864A (fr) | Perfectionnements aux outils à grain rapporté | |
FR501243A (fr) | Perfectionnements apportés aux machines-outils | |
FR505941A (fr) | Perfectionnements aux dispositifs de forage | |
CH78928A (de) | Kombiniertes Glaserwerkzeug | |
FR490202A (fr) | Perfectionnements aux outils à percer | |
FR494305A (fr) | Perfectionnements apportés aux motocyclettes | |
FR501762A (fr) | Perfectionnements aux semoirs | |
FR494855A (fr) | Perfectionnements aux bidets | |
FR496222A (fr) | Perfectionnements aux outils à forer | |
CH80260A (de) | Handbohrapparat | |
FR489307A (fr) | Perfectionnements aux outils à grain rapporté | |
FR506291A (fr) | Perfectionnements apportés aux pinces coupantes | |
FR489896A (fr) | Perfectionnements apportés aux pinces coupantes | |
FR502146A (fr) | Perfectionnements aux constructions | |
FR498291A (fr) | Perfectionnements aux fixateurs | |
FR488890A (fr) | Perfectionnements aux cinématographes | |
FR504165A (fr) | Perfectionnements apporté aux outils pour jardinage | |
CH79684A (de) | Bohrfutter | |
CH82469A (de) | Bohrfutter |