EP 2984441 A1 20160217 - TAMPING CARTRIDGE FOR MINING
Title (en)
TAMPING CARTRIDGE FOR MINING
Title (de)
STOPFPATRONE FÜR BERGBAU
Title (fr)
CARTOUCHE DE BOURRAGE POUR EXPLOITATION MINIÈRE
Publication
Application
Priority
PL 2013000047 W 20130410
Abstract (en)
[origin: WO2014168495A1] The present invention refers to a tamping cartridge used for packing shot holes, particularly in mining. Tamping cartridge has a form of a cylinder or a cone with an external, at least single-layer closed sheath filled in with a mass of moist fine mineral plastic material, which material contains from 67 % to 99 % by weight of a grain fraction from 0.5 um to 5 mm, up to 11% by weight of grain fraction of over 5 mm and has a natural moisture (Wn) from 3% to 63 %, and liquidity index (lL) not higher than 0.300 and plasticity index (lP) from 20% to 25 %.
IPC 8 full level
CPC (source: EP)
Citation (search report)
See references of WO 2014168495A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2014168495 A1 20141016; EP 2984441 A1 20160217; EP 2984441 B1 20170315; PL 2984441 T3 20170731
DOCDB simple family (application)
PL 2013000047 W 20130410; EP 13724022 A 20130410; PL 13724022 T 20130410