Procedure for the manufacture of microrretarts and portarretards applicable to explosive installations. (Machine-translation by Google Translate, not legally binding)

摘要

Procedure for manufacturing micro-reachards and portarretards applicable to explosive installations that you do not need in the cutting and calibration operation. The tubular pieces of small diameter that constitute such carriers and microwaves are obtained from a tubular element of aluminum which the diameter is reduced through the forced passage through a row using a male piece that is maintained for the calibration of the interior diameter. Fixed during the advance of the tubular element. (Machine-translation by Google Translate, not legally binding)