BE735845A - - Google Patents
Info
- Publication number
- BE735845A BE735845A BE735845DA BE735845A BE 735845 A BE735845 A BE 735845A BE 735845D A BE735845D A BE 735845DA BE 735845 A BE735845 A BE 735845A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/16—Machines slitting solely by one or more rotating saws, cutting discs, or wheels
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)
- Excavating Of Shafts Or Tunnels (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA684996 | 1968-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE735845A true BE735845A (https=) | 1970-01-09 |
Family
ID=25561224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE735845D BE735845A (https=) | 1968-08-02 | 1969-07-09 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3645579A (https=) |
| JP (1) | JPS5022485B1 (https=) |
| BE (1) | BE735845A (https=) |
| DE (1) | DE1938619A1 (https=) |
| FR (1) | FR2017956A1 (https=) |
| GB (1) | GB1264645A (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2159351C3 (de) * | 1971-11-30 | 1981-02-26 | Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter | Bohrgerät mit wenigstens einer mit einem Unwuchtvibrator versehenen Schneidrolle |
| US4371210A (en) * | 1978-04-10 | 1983-02-01 | Kennametal Inc. | Freely rotatable pick bit holder on rotary driven member and method |
| RU2168018C1 (ru) * | 1999-12-02 | 2001-05-27 | Институт горного дела - научно-исследовательское учреждение СО РАН | Устройство для образования направленных трещин в скважинах |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1276686A (en) * | 1917-06-20 | 1918-08-20 | Joseph Petermann | Apparatus for cutting and breaking asphalt or concrete. |
| US1404835A (en) * | 1920-01-14 | 1922-01-31 | John M Christine | Means for cutting kerfs in mining |
| US2024764A (en) * | 1932-12-03 | 1935-12-17 | Frank E Hill | Road surfacing machine |
| US2184068A (en) * | 1939-03-24 | 1939-12-19 | John A Zublin | Turbine drill bit |
| US2606012A (en) * | 1949-04-09 | 1952-08-05 | Meyer John Henry | Floor chipping machine |
| US2664281A (en) * | 1949-08-27 | 1953-12-29 | Tennant Co G H | Machine for cutting, cleaning, grooving, and treating surfaces |
| US2639896A (en) * | 1950-02-14 | 1953-05-26 | Daniel H Francis | Rotary rock drilling bit |
| US2894727A (en) * | 1955-05-17 | 1959-07-14 | Homer I Henderson | Drilling bit |
| US3041055A (en) * | 1959-07-13 | 1962-06-26 | Goodman Mfg Co | Rotatable cutter head |
-
1969
- 1969-07-01 GB GB1264645D patent/GB1264645A/en not_active Expired
- 1969-07-09 BE BE735845D patent/BE735845A/xx unknown
- 1969-07-10 US US840735A patent/US3645579A/en not_active Expired - Lifetime
- 1969-07-30 DE DE19691938619 patent/DE1938619A1/de active Pending
- 1969-07-31 JP JP6960033A patent/JPS5022485B1/ja active Pending
- 1969-08-01 FR FR6926594A patent/FR2017956A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB1264645A (https=) | 1972-02-23 |
| JPS5022485B1 (https=) | 1975-07-31 |
| DE1938619A1 (de) | 1970-09-03 |
| US3645579A (en) | 1972-02-29 |
| FR2017956A1 (https=) | 1970-05-29 |