Global Patent Index - EP 1243890 A1

EP 1243890 A1 2002-09-25 - Shaped charge having metal coated high density metal powder liner

Title (en)

Shaped charge having metal coated high density metal powder liner

Title (de)

Hohlladung mit einer Einlage aus mit metalbeschichtetem Metallpulver hoher Dichte

Title (fr)

Charge creuse avec un revêtement en poudre de métal à haute densité à enrobement métallique

Publication

EP 1243890 A1 (EN)

Application

EP 01302669 A

Priority

EP 01302669 A

Abstract (en)

A shaped charge (24) for an oilwell perforator includes a liner (28) which is formed of a metal powder. The metal powder has particles (34) thereof which are coated with a second metal (36). The metal powder (34) may be tungsten, and the particles may be coated with metals such as copper, lead, molybdenum, tin, nickel or silver. The resulting liner content by weight may be between approximately 95 and 100% tungsten. <IMAGE>

IPC 1-7 (main, further and additional classification)

F42B 1/032

IPC 8 full level (invention and additional information)

F42B 1/032 (2006.01)

CPC (invention and additional information)

F42B 1/032 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

EP 1243890 A1 20020925

INPADOC legal status


2005-08-03 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20050125

2004-10-27 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20040914

2003-06-11 [AKX] PAYMENT OF DESIGNATION FEES

- Designated State(s): DE FR GB

2002-11-20 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20020920

2002-09-25 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

2002-09-25 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Free text: AL;LT;LV;MK;RO;SI