FR1166112A - Electric safety primers for mines, protected against ignition by foreign electric currents - Google Patents
Electric safety primers for mines, protected against ignition by foreign electric currentsInfo
- Publication number
- FR1166112A FR1166112A FR1166112DA FR1166112A FR 1166112 A FR1166112 A FR 1166112A FR 1166112D A FR1166112D A FR 1166112DA FR 1166112 A FR1166112 A FR 1166112A
- Authority
- FR
- France
- Prior art keywords
- electric
- mines
- primers
- protected against
- foreign
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C23/00—Compounds containing at least one halogen atom bound to a ring other than a six-membered aromatic ring
- C07C23/02—Monocyclic halogenated hydrocarbons
- C07C23/10—Monocyclic halogenated hydrocarbons with a six-membered ring
- C07C23/12—Hexachlorocyclohexanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/24—Obtaining flakes by scraping a solid layer from a surface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/10—Initiators therefor
- F42B3/18—Safety initiators resistant to premature firing by static electricity or stray currents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/10—Initiators therefor
- F42B3/18—Safety initiators resistant to premature firing by static electricity or stray currents
- F42B3/182—Safety initiators resistant to premature firing by static electricity or stray currents having shunting means
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fuses (AREA)
- Air Bags (AREA)
- Automotive Seat Belt Assembly (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT339851X | 1955-11-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1166112A true FR1166112A (en) | 1958-11-03 |
Family
ID=11238478
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1166112D Expired FR1166112A (en) | 1955-11-10 | 1956-11-06 | Electric safety primers for mines, protected against ignition by foreign electric currents |
FR771122A Expired FR74069E (en) | 1955-11-10 | 1958-07-25 | Electric safety primers for mines, protected against ignition by foreign electric currents |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR771122A Expired FR74069E (en) | 1955-11-10 | 1958-07-25 | Electric safety primers for mines, protected against ignition by foreign electric currents |
Country Status (6)
Country | Link |
---|---|
US (1) | US2957415A (en) |
BE (1) | BE552499A (en) |
CH (2) | CH339851A (en) |
DE (1) | DE1022140B (en) |
FR (2) | FR1166112A (en) |
GB (2) | GB842043A (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3094932A (en) * | 1960-07-15 | 1963-06-25 | William D Greenlees | Electromagnetic radiation proof igniting device |
US3075461A (en) * | 1960-10-28 | 1963-01-29 | Bilker & Moyerman | Method and apparatus for detonating radio frequency sensitive blasting caps |
DE1446952B1 (en) * | 1964-07-02 | 1970-07-09 | Dynamit Nobel Ag | Electric ignition device |
US3414292A (en) * | 1966-07-01 | 1968-12-03 | Eaton Yale & Towne | Inflatable safety device |
US3457431A (en) * | 1968-02-20 | 1969-07-22 | Dow Chemical Co | Time-delayed control device |
US3585933A (en) * | 1969-05-02 | 1971-06-22 | Us Army | Detonator safety device |
IL74188A0 (en) * | 1985-01-29 | 1985-04-30 | State Of Israel Ministriy Of D | Pyrotechnic grenade |
US4869171A (en) * | 1985-06-28 | 1989-09-26 | D J Moorhouse And S T Deeley | Detonator |
US5129322A (en) * | 1990-05-14 | 1992-07-14 | Jet Research Center, Inc. | Explosive tubing cutter and method of assembly |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1726053A (en) * | 1927-10-10 | 1929-08-27 | Brown Ladura Alexander | Safety coupler |
FR718686A (en) * | 1930-07-23 | 1932-01-27 | Lignoza Spolka Akcyjna | Electrical assembly for igniters |
US2026962A (en) * | 1934-03-01 | 1936-01-07 | George D Brown | Safety switch |
US2494256A (en) * | 1945-09-11 | 1950-01-10 | Gulf Research Development Co | Apparatus for perforating well casings and well walls |
NL88944C (en) * | 1949-01-22 | |||
US2632389A (en) * | 1949-09-13 | 1953-03-24 | Atlas Powder Co | Electric explosion initiator |
US2704032A (en) * | 1951-01-30 | 1955-03-15 | Maruschak Nick | Safety mine shooting devices |
-
1956
- 1956-11-02 US US620030A patent/US2957415A/en not_active Expired - Lifetime
- 1956-11-06 FR FR1166112D patent/FR1166112A/en not_active Expired
- 1956-11-07 CH CH339851D patent/CH339851A/en unknown
- 1956-11-08 DE DEM32303A patent/DE1022140B/en active Pending
- 1956-11-08 GB GB34150/56A patent/GB842043A/en not_active Expired
- 1956-11-09 BE BE552499A patent/BE552499A/en unknown
-
1958
- 1958-06-27 GB GB20666/58A patent/GB874332A/en not_active Expired
- 1958-07-19 CH CH350234D patent/CH350234A/en unknown
- 1958-07-25 FR FR771122A patent/FR74069E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB874332A (en) | 1961-08-02 |
GB842043A (en) | 1960-07-20 |
US2957415A (en) | 1960-10-25 |
CH339851A (en) | 1959-07-15 |
BE552499A (en) | 1956-11-30 |
CH350234A (en) | 1960-11-15 |
DE1022140B (en) | 1958-01-02 |
FR74069E (en) | 1960-11-07 |
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