HAUBENFOERMIGE ABDECKUNG VON HOHLLADUNGSMINEN

A cap-shaped cover for hollow-charge mines is adapted to form a hollow cavity adjacent to a portion of the mine. The cover, in its initial position, is in a folded, collapsed, introverted or the like closed condition and in its operational position, the cover is extended by a compression spring to a...

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Bibliographische Detailangaben
1. Verfasser:	ALKER, ERICH
Format:	Patent
Sprache:	ger
Schlagworte:	AMMUNITION BLASTING ENGINEERING ELEMENTS AND UNITS EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A cap-shaped cover for hollow-charge mines is adapted to form a hollow cavity adjacent to a portion of the mine. The cover, in its initial position, is in a folded, collapsed, introverted or the like closed condition and in its operational position, the cover is extended by a compression spring to assume a shell-like, hemispherical, or open configuration that defines the cavity. The cover includes at least one ventilating device for venting of the closed cover, a flexible body portion and the compression spring. The spring is formed of at least two separate, identical parts. These parts are arranged in the cover in such a way that the compression spring is symmetrical in all vertical section planes. The lead angle of a central turn section of each individual part of the compression spring, in the operational position of the compression spring, is 15 DEG -45 DEG , at least in the zone adjoining an outer turn section. Preferably, an inner turn section of the compression spring is held in a continuous groove of the covering member.