GB2050214B - Piercing tool - Google Patents
Piercing toolInfo
- Publication number
- GB2050214B GB2050214B GB8016270A GB8016270A GB2050214B GB 2050214 B GB2050214 B GB 2050214B GB 8016270 A GB8016270 A GB 8016270A GB 8016270 A GB8016270 A GB 8016270A GB 2050214 B GB2050214 B GB 2050214B
- Authority
- GB
- United Kingdom
- Prior art keywords
- piercing tool
- piercing
- tool
- 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
- B23B51/0081—Conical drills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2215/00—Details of workpieces
- B23B2215/72—Tubes, pipes
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2270/00—Details of turning, boring or drilling machines, processes or tools not otherwise provided for
- B23B2270/02—Use of a particular power source
- B23B2270/022—Electricity
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792921190 DE2921190C2 (de) | 1979-05-25 | 1979-05-25 | Blechschälbohrer, insbesondere zum Herstellen von Öffnungen in Karosserieteilen zur Hohlraumkonservierung |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2050214A GB2050214A (en) | 1981-01-07 |
GB2050214B true GB2050214B (en) | 1982-12-01 |
Family
ID=6071661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8016270A Expired GB2050214B (en) | 1979-05-25 | 1980-05-16 | Piercing tool |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2921190C2 (de) |
GB (1) | GB2050214B (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2212422B (en) * | 1987-11-17 | 1992-01-22 | John Hammond | Rotary bits |
GB9920976D0 (en) * | 1999-09-07 | 1999-11-10 | Rawlplug Co Ltd | Hole-forming tool |
US20120195704A1 (en) * | 2011-01-31 | 2012-08-02 | White Christopher L | Drill bit |
GB2527705B (en) | 2013-06-06 | 2020-04-08 | Milwaukee Electric Tool Corp | Step drill bit |
US11273501B2 (en) | 2018-04-26 | 2022-03-15 | Milwaukee Electric Tool Corporation | Step drill bit |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7413133U (de) * | 1974-07-18 | Rothenberger E Schweisstechnik U Industrie Bedarf | Blechschälbohrer | |
GB1202086A (en) * | 1967-10-10 | 1970-08-12 | Barworth Flockton Ltd | Improved drill |
DE2209668A1 (de) * | 1972-03-01 | 1973-09-06 | Uwe C Seefluth | Blechschaelbohrer |
US3836278A (en) * | 1972-12-14 | 1974-09-17 | Int Research & Dev Co Ltd | Tapered drill bit |
-
1979
- 1979-05-25 DE DE19792921190 patent/DE2921190C2/de not_active Expired
-
1980
- 1980-05-16 GB GB8016270A patent/GB2050214B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2921190C2 (de) | 1985-05-09 |
DE2921190A1 (de) | 1980-12-04 |
GB2050214A (en) | 1981-01-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |