| 摘要 |
FIELD: surface arrangement of weak-impulse initiating cords-waveguards, type "Nonel", or impact fuzes, applicable for arrangement of blast networks at blasting operations in mining and building industries, especially in strained and power intensive conditions. SUBSTANCE: arrangement unit has cylindrical body 1 in the form of a sleeve with flange 2 located near its upper cut, and tabs-retainers 3 with ridges-grips separated by grooves and positioned above the flange, and perforated bottom 4. Flange is perforated. The sleeve inner cavity is sectionalized by means of longitudinal stiffening ribs 6 projecting from the cavity above the flange. Tabs-retainers 3 are located on common ring 7 connected to projecting ends of stiffening ribs, and their radial ridges-grips are directed towards the longitudinal axis of body symmetry. The unit has also safety shield 8 in the form of a cylindrical sleeve, whose upper part envelops the body flange, and the lower one projects under the body bottom and is made in the form of several concentric layers separated by air gaps. The safety shield may be made detachable. EFFECT: enhanced convenience in use. 2 cl, 1 dwg
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