CH551562A - METHOD OF CONTROLLING THE SPEED FORWARDING A ROCK CUTTER AND DEVICE FOR PERFORMING THE METHOD. - Google Patents
METHOD OF CONTROLLING THE SPEED FORWARDING A ROCK CUTTER AND DEVICE FOR PERFORMING THE METHOD.Info
- Publication number
- CH551562A CH551562A CH1119572A CH1119572A CH551562A CH 551562 A CH551562 A CH 551562A CH 1119572 A CH1119572 A CH 1119572A CH 1119572 A CH1119572 A CH 1119572A CH 551562 A CH551562 A CH 551562A
- Authority
- CH
- Switzerland
- Prior art keywords
- controlling
- rock cutter
- speed forwarding
- forwarding
- rock
- Prior art date
Links
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
- E21C35/24—Remote control specially adapted for machines for slitting or completely freeing the mineral
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)
- Crushing And Pulverization Processes (AREA)
- Percussive Tools And Related Accessories (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA715063A ZA715063B (en) | 1971-07-29 | 1971-07-29 | Control mechanism for rock cutting equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CH551562A true CH551562A (en) | 1974-07-15 |
Family
ID=25563705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1119572A CH551562A (en) | 1971-07-29 | 1972-07-27 | METHOD OF CONTROLLING THE SPEED FORWARDING A ROCK CUTTER AND DEVICE FOR PERFORMING THE METHOD. |
Country Status (10)
Country | Link |
---|---|
US (1) | US3778106A (en) |
AU (1) | AU463350B2 (en) |
CA (1) | CA982254A (en) |
CH (1) | CH551562A (en) |
DE (1) | DE2237213A1 (en) |
FR (1) | FR2147340B1 (en) |
GB (1) | GB1394168A (en) |
NO (1) | NO131360C (en) |
SE (1) | SE397209B (en) |
ZA (1) | ZA715063B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2477219A1 (en) * | 1980-01-11 | 1981-09-04 | Coal Industry Patents Ltd | SENSITIVE SLICING TOOL HOLDER AND ASSEMBLY FOR THE MINE MACHINE |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2503340B2 (en) * | 1975-01-28 | 1978-09-21 | Wirth Co Kg Masch Bohr | Method and device for drive control of drill heads, in particular for large hole drilling machines |
US4070064A (en) * | 1976-06-04 | 1978-01-24 | Caterpillar Tractor Co. | Cooling system for rock ripper tip |
USRE31164E (en) * | 1976-06-04 | 1983-03-01 | Caterpillar Tractor Co. | Cooling system for rock ripper tip |
JPS5632512A (en) * | 1979-08-24 | 1981-04-02 | Sumitomo Chem Co Ltd | Production of polypropylene having improved stretchability |
US6203113B1 (en) * | 1997-12-09 | 2001-03-20 | Nick Wendel | Cutting drum with percussive bits |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1283618A (en) * | 1917-03-15 | 1918-11-05 | Oliver Oscar App | Excavating-machine. |
US2218528A (en) * | 1937-03-05 | 1940-10-22 | Colson J Endsley | Percussion drill |
-
1971
- 1971-07-29 ZA ZA715063A patent/ZA715063B/en unknown
-
1972
- 1972-07-24 CA CA147,727A patent/CA982254A/en not_active Expired
- 1972-07-25 US US00275051A patent/US3778106A/en not_active Expired - Lifetime
- 1972-07-25 AU AU44929/72A patent/AU463350B2/en not_active Expired
- 1972-07-26 NO NO722677A patent/NO131360C/no unknown
- 1972-07-27 CH CH1119572A patent/CH551562A/en not_active IP Right Cessation
- 1972-07-27 GB GB3524172A patent/GB1394168A/en not_active Expired
- 1972-07-28 DE DE2237213A patent/DE2237213A1/en active Pending
- 1972-07-28 SE SE7209935A patent/SE397209B/en unknown
- 1972-07-31 FR FR7227577A patent/FR2147340B1/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2477219A1 (en) * | 1980-01-11 | 1981-09-04 | Coal Industry Patents Ltd | SENSITIVE SLICING TOOL HOLDER AND ASSEMBLY FOR THE MINE MACHINE |
Also Published As
Publication number | Publication date |
---|---|
NO131360B (en) | 1975-02-03 |
FR2147340B1 (en) | 1976-10-29 |
AU4492972A (en) | 1974-02-07 |
AU463350B2 (en) | 1975-07-24 |
FR2147340A1 (en) | 1973-03-09 |
US3778106A (en) | 1973-12-11 |
NO131360C (en) | 1975-05-14 |
ZA715063B (en) | 1972-09-27 |
DE2237213A1 (en) | 1973-02-08 |
CA982254A (en) | 1976-01-20 |
GB1394168A (en) | 1975-05-14 |
SE397209B (en) | 1977-10-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |