CH242676A - Center drill. - Google Patents
Center drill.Info
- Publication number
- CH242676A CH242676A CH242676DA CH242676A CH 242676 A CH242676 A CH 242676A CH 242676D A CH242676D A CH 242676DA CH 242676 A CH242676 A CH 242676A
- Authority
- CH
- Switzerland
- Prior art keywords
- center drill
- drill
- center
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/04—Drills for trepanning
- B23B51/0426—Drills for trepanning with centering devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/04—Drills for trepanning
- B23B51/0453—Drills for trepanning with ejecting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2260/00—Details of constructional elements
- B23B2260/136—Springs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE242676X | 1943-06-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH242676A true CH242676A (en) | 1946-05-31 |
Family
ID=5917181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH242676D CH242676A (en) | 1943-06-08 | 1944-06-01 | Center drill. |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE456169A (en) |
CH (1) | CH242676A (en) |
FR (1) | FR904860A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3265104A (en) * | 1964-02-24 | 1966-08-09 | Sr John Gallo | Tubular saw cutter with chip removal means |
US7160064B2 (en) * | 2004-04-06 | 2007-01-09 | Abelardo Jasso | Hole saw slug removal device |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3390596A (en) * | 1965-09-01 | 1968-07-02 | Trevathan Sales Corp | Cutting head assembly |
US3388620A (en) * | 1966-08-04 | 1968-06-18 | Frederic A. Rudolph | Drilling bit for stacked sheets of paper and the like |
EP0105935A1 (en) * | 1982-09-21 | 1984-04-25 | The Boeing Company | Trepanning tool and method for generating holes in composite material |
FR2640535B1 (en) * | 1988-12-19 | 1994-07-08 | Aerospatiale | PRECISION STEELING TOOL FOR SANDWICH PANELS |
FR2694719A1 (en) * | 1992-08-14 | 1994-02-18 | Haubois Claude | Cutting ejection device of saw cover - comprises round plate supported by two guides, spring and two buffers, during cutting spring compresses, after cutting spring eases |
US5813802A (en) * | 1995-11-30 | 1998-09-29 | House B.M. Co., Ltd. | Drilling tool assembly and its center drill and cup shape drill |
US5690452A (en) * | 1996-06-27 | 1997-11-25 | Baublits; David G. | Spring loaded automatic plug ejector or hole saws |
US5816752A (en) * | 1996-09-09 | 1998-10-06 | Benjamin; Darin L. | Knock out device |
US7001116B2 (en) * | 2003-03-29 | 2006-02-21 | Eazypower Corporation | Workpiece removal device for a hole saw |
US7766583B2 (en) | 2003-03-29 | 2010-08-03 | Eazypower Corporation | Workpiece removal device for a hole saw and plug cutter |
SI23897A (en) * | 2012-08-06 | 2013-04-30 | Gozdarski Inĺ Titut Slovenije | Instrument in incremental drill |
CN103752912B (en) * | 2014-01-20 | 2017-05-10 | 杭州博锋金刚石工具有限公司 | Perforating device using hole saw inner hole positioning and application method of perforating device |
-
0
- BE BE456169D patent/BE456169A/fr unknown
-
1944
- 1944-06-01 CH CH242676D patent/CH242676A/en unknown
- 1944-06-03 FR FR904860D patent/FR904860A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3265104A (en) * | 1964-02-24 | 1966-08-09 | Sr John Gallo | Tubular saw cutter with chip removal means |
US7160064B2 (en) * | 2004-04-06 | 2007-01-09 | Abelardo Jasso | Hole saw slug removal device |
Also Published As
Publication number | Publication date |
---|---|
FR904860A (en) | 1945-11-19 |
BE456169A (en) |
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