NO131360B - - Google Patents
Download PDFInfo
- Publication number
- NO131360B NO131360B NO2677/72A NO267772A NO131360B NO 131360 B NO131360 B NO 131360B NO 2677/72 A NO2677/72 A NO 2677/72A NO 267772 A NO267772 A NO 267772A NO 131360 B NO131360 B NO 131360B
- Authority
- NO
- Norway
- Prior art keywords
- rotor
- signal
- speed
- movement
- hammer
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 8
- 239000011435 rock Substances 0.000 claims description 8
- 235000014676 Phragmites communis Nutrition 0.000 claims description 6
- 230000011664 signaling Effects 0.000 claims 1
- 239000004575 stone Substances 0.000 description 21
- 230000007246 mechanism Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000006096 absorbing agent Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 244000302697 Phragmites karka Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000001020 rhythmical effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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
- E21C35/302—Measuring, signaling or indicating 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)
- Percussive Tools And Related Accessories (AREA)
- Crushing And Pulverization Processes (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 (2)
| Publication Number | Publication Date |
|---|---|
| NO131360B true NO131360B (https=) | 1975-02-03 |
| NO131360C NO131360C (https=) | 1975-05-14 |
Family
ID=25563705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO722677A NO131360C (https=) | 1971-07-29 | 1972-07-26 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3778106A (https=) |
| AU (1) | AU463350B2 (https=) |
| CA (1) | CA982254A (https=) |
| CH (1) | CH551562A (https=) |
| DE (1) | DE2237213A1 (https=) |
| FR (1) | FR2147340B1 (https=) |
| GB (1) | GB1394168A (https=) |
| NO (1) | NO131360C (https=) |
| SE (1) | SE397209B (https=) |
| ZA (1) | ZA715063B (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2503340B2 (de) * | 1975-01-28 | 1978-09-21 | Wirth Co Kg Masch Bohr | Verfahren und Vorrichtung zur Antriebssteuerung von Bohrköpfen, insbesondere für Großlochbohrmaschinen |
| 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 |
| GB2087948B (en) * | 1980-01-11 | 1983-07-13 | Coal Industry Patents Ltd | Holder assemblies for sensitised cutter tools on mining machines |
| 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/xx unknown
-
1972
- 1972-07-24 CA CA147,727A patent/CA982254A/en not_active Expired
- 1972-07-25 AU AU44929/72A patent/AU463350B2/en not_active Expired
- 1972-07-25 US US00275051A patent/US3778106A/en not_active Expired - Lifetime
- 1972-07-26 NO NO722677A patent/NO131360C/no unknown
- 1972-07-27 GB GB3524172A patent/GB1394168A/en not_active Expired
- 1972-07-27 CH CH1119572A patent/CH551562A/xx not_active IP Right Cessation
- 1972-07-28 SE SE7209935A patent/SE397209B/xx unknown
- 1972-07-28 DE DE2237213A patent/DE2237213A1/de active Pending
- 1972-07-31 FR FR7227577A patent/FR2147340B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU4492972A (en) | 1974-02-07 |
| SE397209B (sv) | 1977-10-24 |
| DE2237213A1 (de) | 1973-02-08 |
| AU463350B2 (en) | 1975-07-24 |
| FR2147340A1 (https=) | 1973-03-09 |
| GB1394168A (en) | 1975-05-14 |
| US3778106A (en) | 1973-12-11 |
| NO131360C (https=) | 1975-05-14 |
| CA982254A (en) | 1976-01-20 |
| FR2147340B1 (https=) | 1976-10-29 |
| CH551562A (de) | 1974-07-15 |
| ZA715063B (en) | 1972-09-27 |
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