GB1423303A - Remotely controlled blasting machine - Google Patents
Remotely controlled blasting machineInfo
- Publication number
- GB1423303A GB1423303A GB421673A GB421673A GB1423303A GB 1423303 A GB1423303 A GB 1423303A GB 421673 A GB421673 A GB 421673A GB 421673 A GB421673 A GB 421673A GB 1423303 A GB1423303 A GB 1423303A
- Authority
- GB
- United Kingdom
- Prior art keywords
- capacitor
- circuit
- caps
- predetermined level
- blasting
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Dc-Dc Converters (AREA)
- Air Bags (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
1423303 Detonating remote blasting, caps BENDIX CORP 26 Jan 1973. [2 Feb 1972] 4216/73 Heading H2H A circuit arrangement for detonating remote blasting caps comprises a first circuit 20. including a capacitor 160 which is dischargeable through the blasting caps when the capacitor charge reaches a predetermined level and a second circuit 10 which supplies electrical energy to the first circuit, the second circuit including a device 118 which indicates when the capacitor charge is approaching the predetermined level The circuit 20, which has terminals 190 for connection to the blasting caps, is connected by wires 21, 22 to the remote circuit 10. A switch 116 and resistors 111-115 enable the circuit resistance to be maintained constant when using wires 21, 22 of lengths up to 5000 feet. On application of A.C. to input terminals 131 the capacitor 160 is charged via a transformer 151, a capacitor 122 also charging to a voltage proportional to that across the capacitor 160. As the voltage across the capacitor 160 approaches the breakdown potential of a spark gap device 170, the voltage across the capacitor 122 becomes sufficient to illuminate the device 118 thereby warning an operation of the imminent discharge of the capacitor 160. The operator may open a switch 135 to allow discharge of the capacitor 160 through a resistor 161. Alternatively when the capacitor 160 charges to the predetermined level, the breakdown of the device 170 supplies trigger pulses to a spark gap device 180 to enable the discharge of the capacitor 160 into the blasting caps.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22276172A | 1972-02-02 | 1972-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1423303A true GB1423303A (en) | 1976-02-04 |
Family
ID=22833566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB421673A Expired GB1423303A (en) | 1972-02-02 | 1973-01-26 | Remotely controlled blasting machine |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3757697A (en) |
| CA (1) | CA950527A (en) |
| DE (1) | DE2305252A1 (en) |
| FR (1) | FR2170164A1 (en) |
| GB (1) | GB1423303A (en) |
| IT (1) | IT978714B (en) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS522619B2 (en) * | 1972-05-30 | 1977-01-22 | ||
| DE2302040A1 (en) * | 1972-06-01 | 1973-12-13 | Nicolas Mironoff | CIRCUIT FOR USE IN ELECTRIC EDM MACHINES |
| US3851589A (en) * | 1973-04-25 | 1974-12-03 | Texaco Inc | Electronic delay blaster |
| DE3342818A1 (en) * | 1983-11-26 | 1985-06-05 | kabelmetal electro GmbH, 3000 Hannover | Circuit arrangement and method for triggering an explosive charge |
| DE3511075A1 (en) * | 1985-03-27 | 1986-10-02 | Westfälische Berggewerkschaftskasse, 4630 Bochum | Hand-held apparatus for the electrical testing of detonating machines, especially of flameproof design, preferably for underground operation |
| US4960183A (en) * | 1985-08-16 | 1990-10-02 | Exxon Production Research Company | Seismic source firing control system |
| ES2018823B3 (en) * | 1986-04-10 | 1991-05-16 | Ici Australia Ltd | BLASTING METHOD |
| AU585701B2 (en) * | 1986-04-10 | 1989-06-22 | Ici Australia Limited | Blasting method |
| JPS63148100A (en) * | 1986-12-10 | 1988-06-20 | 日本油脂株式会社 | Centralized control blasting method and electric firing machine |
| DE3925594A1 (en) * | 1988-08-26 | 1990-03-01 | Bosch Gmbh Robert | ELECTRONIC DEVICE AND OPERATING METHOD |
| US5347929A (en) * | 1993-09-01 | 1994-09-20 | Schlumberger Technology Corporation | Firing system for a perforating gun including an exploding foil initiator and an outer housing for conducting wireline current and EFI current |
| US5641935A (en) * | 1995-08-16 | 1997-06-24 | The United States Of America As Represented By The Secretary Of The Army | Electronic switch for triggering firing of munitions |
| SE521320C2 (en) * | 2002-03-11 | 2003-10-21 | Dyno Nobel Sweden Ab | Detonator system and method thereof |
| US7021218B2 (en) * | 2002-11-21 | 2006-04-04 | The Regents Of The University Of California | Safety and performance enhancement circuit for primary explosive detonators |
| CN101964140B (en) * | 2010-09-29 | 2012-02-08 | 山东隆泰矿业设备有限公司 | Remote control blasting device with functions of interlocking and automatically pressurizing |
| US9939235B2 (en) | 2013-10-09 | 2018-04-10 | Battelle Energy Alliance, Llc | Initiation devices, initiation systems including initiation devices and related methods |
| US10864640B1 (en) | 2017-12-26 | 2020-12-15 | AGI Engineering, Inc. | Articulating arm programmable tank cleaning nozzle |
| US11413666B1 (en) | 2018-02-13 | 2022-08-16 | AGI Engineering, Inc. | Vertical travel robotic tank cleaning system |
| US11031149B1 (en) | 2018-02-13 | 2021-06-08 | AGI Engineering, Inc. | Nuclear abrasive slurry waste pump with backstop and macerator |
| US10786905B1 (en) | 2018-04-16 | 2020-09-29 | AGI Engineering, Inc. | Tank excavator |
| US11577287B1 (en) | 2018-04-16 | 2023-02-14 | AGI Engineering, Inc. | Large riser extended reach sluicer and tool changer |
| US11267024B2 (en) | 2018-06-11 | 2022-03-08 | AGI Engineering, Inc. | Programmable tank cleaning nozzle |
| CA3103177A1 (en) | 2018-06-11 | 2019-12-19 | Alex G. Innes | Programmable railcar tank cleaning system |
| CA3124669A1 (en) * | 2018-12-23 | 2020-07-02 | AGI Engineering, Inc. | Programmable tank cleaning nozzle |
| US11571723B1 (en) | 2019-03-29 | 2023-02-07 | AGI Engineering, Inc. | Mechanical dry waste excavating end effector |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2933653A (en) * | 1955-02-04 | 1960-04-19 | Du Pont | Blasting machine |
| US3255366A (en) * | 1960-11-25 | 1966-06-07 | Gen Lab Associates Inc | Pulse forming apparatus |
| US3171063A (en) * | 1962-07-20 | 1965-02-23 | Jersey Prod Res Co | Remote trigger arrangement for blaster |
| US3337755A (en) * | 1964-04-10 | 1967-08-22 | Gen Electric | Pulse generator |
| US3288068A (en) * | 1964-04-30 | 1966-11-29 | Donald E Jefferson | Triggered exploding wire device |
| US3417306A (en) * | 1965-02-09 | 1968-12-17 | Bendix Corp | Regulated voltage capacitor discharge circuit |
| US3575153A (en) * | 1968-11-18 | 1971-04-20 | Eltra Corp | Regulated voltage converter |
| US3704393A (en) * | 1971-12-30 | 1972-11-28 | Frank J Digney Jr | Capacitor discharge type blasting machines |
-
1972
- 1972-02-02 US US00222761A patent/US3757697A/en not_active Expired - Lifetime
- 1972-08-29 CA CA150,465,A patent/CA950527A/en not_active Expired
-
1973
- 1973-01-26 GB GB421673A patent/GB1423303A/en not_active Expired
- 1973-02-01 IT IT19916/73A patent/IT978714B/en active
- 1973-02-02 FR FR7303633A patent/FR2170164A1/fr not_active Withdrawn
- 1973-02-02 DE DE19732305252 patent/DE2305252A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3757697A (en) | 1973-09-11 |
| IT978714B (en) | 1974-09-20 |
| CA950527A (en) | 1974-07-02 |
| DE2305252A1 (en) | 1973-08-09 |
| FR2170164A1 (en) | 1973-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |