Global Patent Index - EP 1015842 A1

EP 1015842 A1 2000-07-05 - SETTING OF TIME DELAYS IN A SEQUENCE OF EXPLOSIVE DETONATIONS

Title (en)

SETTING OF TIME DELAYS IN A SEQUENCE OF EXPLOSIVE DETONATIONS

Title (de)

EINGABE DER ZEITVERZÖGERUNGEN FÜR EINE DETONATIONSFOLGE

Title (fr)

REGLAGE DES INTERVALLES DE TEMPS DANS UNE SEQUENCE DE DETONATIONS A L'EXPLOSIF

Publication

EP 1015842 A1 (EN)

Application

EP 99931372 A

Priority

  • GB 9902186 W
  • GB 9815533 A

Abstract (en)

[origin: WO0004337A1] An electrically operated rock blasting system for detonating a number of explosive charges (15), each located in a respective one of a series of spaced boreholes (12, 13) formed in a rock mass site, the system comprising: a control station (19) remote from the explosive charges and adapted to sequentially detonate the explosive charges; a data store (20) at the control station for receiving different types of site data, the site data having an influence on the time intervals between successive detonations, one such site data comprising the physical distance (d) separating the boreholes of successively detonated explosive charges; and, a data input device (21) for use by a site operator and having a memory store into which can be entered separate distance data between successive boreholes of the series, such data being convertible into corresponding time interval data to be set at the control station.

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

F42D 1/055

IPC 8 full level (invention and additional information)

F42D 1/055 (2006.01)

CPC (invention and additional information)

F42D 1/055 (2013.01)

Citation (search report)

See references of WO 0004337A1

Designated contracting state (EPC)

AT DE ES FR GB PT

EPO simple patent family

WO 0004337 A1 20000127; AT 235039 T 20030415; AU 4790999 A 20000207; BR 9906604 A 20000718; CA 2303821 A1 20000127; DE 69906028 D1 20030424; DE 69906028 T2 20031127; EP 1015842 A1 20000705; EP 1015842 B1 20030319; ES 2194481 T3 20031116; GB 9815533 D0 19980916; ZA 200000774 B 20010607

INPADOC legal status


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