Detnet South Africa (pty) Limited

Detnet South Africa Ltd

Johannes Petrus Kruger

Christopher Malcolm Birkin

Phillip Olwage

Andre Crichton

Andre Louis Koekemoer

Herman Van Der Walt

A spool for use in a blasting system which includes a coiled signal transmitting conductor connected at one end to a detonator and at a second end to a connector, wherein the detonator and the connector are engaged with retentive formations on a face of a flange of the spool.

Spool

A detonator which includes a tubular body within which is located a detonator assembly which comprise a container () which houses a set explosive composition element in which is embedded part of a PCB () which carries an ignition element ().

Detonator

A detonator () which has a battery () which is movable by a pressure wave from a shock tube () to a position at which the battery is placed in electrical contact with a circuit () which controls firing of an ignition element ().

Growing community of inventors

Sandton, South Africa

Johannes Petrus Kruger