C - Chemistry – Metallurgy – 06 – C
Patent
C - Chemistry, Metallurgy
06
C
52/50
C06C 5/04 (2006.01) C06C 5/08 (2006.01)
Patent
CA 1262825
ABSTRACT OF THE DISCLOSURE: In the production of explosive or detonating cords which are wrapped with plastic, a preliminary cord, which contains the explosive substance, is guided through the core of an extrusion nozzle and is injection moulded in this with plastic. Measuring sensors in the supply duct for the plas- tic monitor the temperature and/or the pressure in the supply duct. If permissible limit values are exceeded, the mouth- piece and the spindle shaft of the arrangement are driven out from the block in opposite directions. The spindle shaft divided in the lengthwise direction is separated by auxiliary drives from the cord. A plug is withdrawn from the wall of the supply duct by means of a further auxiliary drive in order to relieve pressure stressing. In addition, the preliminary cord is withdrawn from the danger region by reversal arrangement. Furthermore, when the protection arran- gement is in the release state an additional cooling takes place.
513035
Schneider Gunther
Wagner Heinz-Ernst
Dynamit Nobel Aktiengesellschaft
Robic Robic & Associes/associates
Schneider Gunther
Wagner Heinz-Ernst
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