FR2327389A1 - Burin tournant - Google Patents
Burin tournantInfo
- Publication number
- FR2327389A1 FR2327389A1 FR7630246A FR7630246A FR2327389A1 FR 2327389 A1 FR2327389 A1 FR 2327389A1 FR 7630246 A FR7630246 A FR 7630246A FR 7630246 A FR7630246 A FR 7630246A FR 2327389 A1 FR2327389 A1 FR 2327389A1
- Authority
- FR
- France
- Prior art keywords
- spindle
- tool holder
- tunnelling
- drill bit
- rotary drill
- 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.)
- Withdrawn
Links
- 239000000314 lubricant Substances 0.000 abstract 2
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/19—Means for fixing picks or holders
- E21C35/197—Means for fixing picks or holders using sleeves, rings or the like, as main fixing elements
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19757532482 DE7532482U (de) | 1975-10-11 | 1975-10-11 | Drehmeissel |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2327389A1 true FR2327389A1 (fr) | 1977-05-06 |
Family
ID=6656578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7630246A Withdrawn FR2327389A1 (fr) | 1975-10-11 | 1976-10-08 | Burin tournant |
Country Status (4)
Country | Link |
---|---|
AT (1) | ATA750776A (fr) |
DE (1) | DE7532482U (fr) |
FR (1) | FR2327389A1 (fr) |
IT (1) | IT1068942B (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5261499A (en) * | 1992-07-15 | 1993-11-16 | Kennametal Inc. | Two-piece rotatable cutting bit |
RU2448247C1 (ru) * | 2010-11-30 | 2012-04-20 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт имени Г.В. Плеханова (технический университет)" | Составной резец для горных машин |
US8960810B2 (en) * | 2011-04-20 | 2015-02-24 | Sandvik Intellectual Property Ab | Cutting bit and bit holder |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3529266A1 (de) * | 1985-08-16 | 1987-03-05 | Bentz Hans Joachim | Rundschaftmeissel |
DE3544126C1 (de) * | 1985-12-13 | 1987-08-06 | Boart Hwf Gmbh Co Kg | Werkzeug zum Hereingewinnen von mineralischen Rohstoffen,insbesondere von Kohle oder Hartstein |
-
1975
- 1975-10-11 DE DE19757532482 patent/DE7532482U/de not_active Expired
-
1976
- 1976-10-08 FR FR7630246A patent/FR2327389A1/fr not_active Withdrawn
- 1976-10-08 IT IT2812276A patent/IT1068942B/it active
- 1976-10-08 AT AT750776A patent/ATA750776A/de not_active Application Discontinuation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5261499A (en) * | 1992-07-15 | 1993-11-16 | Kennametal Inc. | Two-piece rotatable cutting bit |
RU2448247C1 (ru) * | 2010-11-30 | 2012-04-20 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт имени Г.В. Плеханова (технический университет)" | Составной резец для горных машин |
US8960810B2 (en) * | 2011-04-20 | 2015-02-24 | Sandvik Intellectual Property Ab | Cutting bit and bit holder |
AU2012244559B2 (en) * | 2011-04-20 | 2017-04-20 | Sandvik Intellectual Property Ab | Cutting bit and bit holder |
Also Published As
Publication number | Publication date |
---|---|
IT1068942B (it) | 1985-03-21 |
ATA750776A (de) | 1978-09-15 |
DE7532482U (de) | 1976-02-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |