EP0679858A3 - Zünder im Isolierbehälter. - Google Patents
Zünder im Isolierbehälter. Download PDFInfo
- Publication number
- EP0679858A3 EP0679858A3 EP95106038A EP95106038A EP0679858A3 EP 0679858 A3 EP0679858 A3 EP 0679858A3 EP 95106038 A EP95106038 A EP 95106038A EP 95106038 A EP95106038 A EP 95106038A EP 0679858 A3 EP0679858 A3 EP 0679858A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- igniter
- heat insulating
- insulating envelope
- envelope
- heat
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- F42B3/11—Initiators therefor characterised by the material used, e.g. for initiator case or electric leads
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Air Bags (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4414411 | 1994-04-26 | ||
DE4414411A DE4414411A1 (de) | 1994-04-26 | 1994-04-26 | Zünder im Isolierbehälter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0679858A2 EP0679858A2 (de) | 1995-11-02 |
EP0679858A3 true EP0679858A3 (de) | 1997-01-15 |
Family
ID=6516387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95106038A Withdrawn EP0679858A3 (de) | 1994-04-26 | 1995-04-22 | Zünder im Isolierbehälter. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5589657A (de) |
EP (1) | EP0679858A3 (de) |
BR (1) | BR9501769A (de) |
CA (1) | CA2147804A1 (de) |
DE (1) | DE4414411A1 (de) |
NO (1) | NO951565L (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6311621B1 (en) | 1996-11-01 | 2001-11-06 | The Ensign-Bickford Company | Shock-resistant electronic circuit assembly |
US6079332A (en) * | 1996-11-01 | 2000-06-27 | The Ensign-Bickford Company | Shock-resistant electronic circuit assembly |
CZ292545B6 (cs) | 2001-08-06 | 2003-10-15 | Austin Detonator S. R. O. | Rozbuška se zlepšeným prostorovým a výkonovým nastavením iniciační mohutnosti a brizance |
US7481166B2 (en) * | 2006-03-28 | 2009-01-27 | Schlumberger Technology Corporation | Heat insulating container for a detonator |
US8439106B2 (en) * | 2010-03-10 | 2013-05-14 | Schlumberger Technology Corporation | Logging system and methodology |
GB201603222D0 (en) * | 2016-02-24 | 2016-04-06 | Spex Engineering Uk Ltd | Improved colliding tool |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1006315B (de) * | 1953-09-16 | 1957-04-11 | Kristoffer Hjellnes | Knallschuss |
US3859523A (en) * | 1973-01-26 | 1975-01-07 | Dresser Ind | High temperature well logging instrument having increased utilization of dewar flasks |
US4440219A (en) * | 1983-01-10 | 1984-04-03 | Amf Inc. | Thermally isolated well instruments |
DE3533389A1 (de) * | 1984-11-02 | 1986-06-05 | Dynamit Nobel Ag, 5210 Troisdorf | Elektronischer sprengzeitzuender |
US4722026A (en) * | 1986-08-20 | 1988-01-26 | The United States Of America As Represented By The United States Department Of Energy | Thermal protection apparatus |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US748935A (en) * | 1904-01-05 | Blasts n g-cartridge | ||
US721431A (en) * | 1902-04-09 | 1903-02-24 | Thomas F Durham | Guide for inside tubes of blasting-cartridges. |
US1517294A (en) * | 1920-07-19 | 1924-12-02 | Kowastch Ambrose | Receptacle for blasting cartridges |
US1493921A (en) * | 1923-07-11 | 1924-05-13 | Blasio James De | Safety quick-fire mine |
US3244103A (en) * | 1964-02-17 | 1966-04-05 | Schlumberger Well Surv Corp | Electrical safety detonator |
US4306499A (en) * | 1978-04-03 | 1981-12-22 | Thiokol Corporation | Electric safety squib |
HU185544B (en) * | 1982-06-04 | 1985-02-28 | Mecseki Szenbanyak | Method and mechanism for breaking by firedampproof blasting of large charge carried out in mine areas impossible to supervise |
US4625645A (en) * | 1985-03-01 | 1986-12-02 | Williams Robert A | Core gun igniter |
US4762067A (en) * | 1987-11-13 | 1988-08-09 | Halliburton Company | Downhole perforating method and apparatus using secondary explosive detonators |
US5070789A (en) * | 1990-06-27 | 1991-12-10 | Cxa Ltd./Cxa Ltee | Electric exploding bridge wire initiators |
-
1994
- 1994-04-26 DE DE4414411A patent/DE4414411A1/de not_active Withdrawn
-
1995
- 1995-04-22 EP EP95106038A patent/EP0679858A3/de not_active Withdrawn
- 1995-04-25 BR BR9501769A patent/BR9501769A/pt not_active Application Discontinuation
- 1995-04-25 NO NO951565A patent/NO951565L/no unknown
- 1995-04-25 CA CA002147804A patent/CA2147804A1/en not_active Abandoned
- 1995-04-26 US US08/429,530 patent/US5589657A/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1006315B (de) * | 1953-09-16 | 1957-04-11 | Kristoffer Hjellnes | Knallschuss |
US3859523A (en) * | 1973-01-26 | 1975-01-07 | Dresser Ind | High temperature well logging instrument having increased utilization of dewar flasks |
US4440219A (en) * | 1983-01-10 | 1984-04-03 | Amf Inc. | Thermally isolated well instruments |
DE3533389A1 (de) * | 1984-11-02 | 1986-06-05 | Dynamit Nobel Ag, 5210 Troisdorf | Elektronischer sprengzeitzuender |
US4722026A (en) * | 1986-08-20 | 1988-01-26 | The United States Of America As Represented By The United States Department Of Energy | Thermal protection apparatus |
Also Published As
Publication number | Publication date |
---|---|
NO951565D0 (no) | 1995-04-25 |
NO951565L (no) | 1995-10-27 |
US5589657A (en) | 1996-12-31 |
BR9501769A (pt) | 1995-11-21 |
DE4414411A1 (de) | 1995-11-02 |
EP0679858A2 (de) | 1995-11-02 |
CA2147804A1 (en) | 1995-10-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE DK ES FR GB IT SE |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: DYNAMIT NOBEL GMBH EXPLOSIVSTOFF- UND SYSTEMTECHNI |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE DK ES FR GB IT SE |
|
17P | Request for examination filed |
Effective date: 19970701 |
|
17Q | First examination report despatched |
Effective date: 19971106 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19981113 |