CA1244116A - Systeme de commande actionne par sautage - Google Patents
Systeme de commande actionne par sautageInfo
- Publication number
- CA1244116A CA1244116A CA000507127A CA507127A CA1244116A CA 1244116 A CA1244116 A CA 1244116A CA 000507127 A CA000507127 A CA 000507127A CA 507127 A CA507127 A CA 507127A CA 1244116 A CA1244116 A CA 1244116A
- Authority
- CA
- Canada
- Prior art keywords
- timer
- control system
- blasting
- receiver
- responsive
- 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
- 238000005422 blasting Methods 0.000 title claims abstract description 28
- 239000000835 fiber Substances 0.000 claims abstract description 11
- 230000003287 optical effect Effects 0.000 claims abstract description 11
- 230000000977 initiatory effect Effects 0.000 claims abstract description 5
- 238000010586 diagram Methods 0.000 description 9
- 238000009423 ventilation Methods 0.000 description 6
- 238000004804 winding Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 2
- 101150087426 Gnal gene Proteins 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/04—Arrangements for ignition
- F42D1/045—Arrangements for electric ignition
- F42D1/05—Electric circuits for blasting
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G15/00—Time-pieces comprising means to be operated at preselected times or after preselected time intervals
- G04G15/006—Time-pieces comprising means to be operated at preselected times or after preselected time intervals for operating at a number of different times
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Selective Calling Equipment (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000507127A CA1244116A (fr) | 1986-04-21 | 1986-04-21 | Systeme de commande actionne par sautage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000507127A CA1244116A (fr) | 1986-04-21 | 1986-04-21 | Systeme de commande actionne par sautage |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1244116A true CA1244116A (fr) | 1988-11-01 |
Family
ID=4132926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000507127A Expired CA1244116A (fr) | 1986-04-21 | 1986-04-21 | Systeme de commande actionne par sautage |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA1244116A (fr) |
-
1986
- 1986-04-21 CA CA000507127A patent/CA1244116A/fr not_active Expired
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |