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The protective device, the spiral Bruno, the retinue isfrom a barbed or ordinary wire, is fastened on supports. In our time, such designs can be seen above the fences of prisons, military facilities, factories, warehouses, etc. Although initially the range of application of the Bruno spiral was much wider.

History

This simple invention is quite old - for the first timewas used during the First World War. The spiral of Bruno was made by ordinary soldiers in advance in time free from hostilities. They used ready-made wire turns, increasing their barriers in the breakthrough areas, and also used to protect the destroyed buildings in order to protect them from complete stolen. Initially, the wire spirals were erected in one or two tiers in height, and two, or even three, wide. The spirals themselves were fastened together by the same wire and fixed to the ground with the help of stakes. The barrier thus installed was a cylinder 90 cm in height and 10 meters in length. Spirals in the field were made by hand. The templates were wooden stakes, driven into the ground and having a diameter of about 1 meter 20 centimeters. These stakes were wound around 50 turns of barbed wire at a distance of 3 centimeters between turns. To make 100 meters of such a fence, the full department had to spend an average of about 6 hours, on its installation - up to an hour. There is another cunning use of a wire spiral during military operations. When the obstacle is overcome, the infantryman should become fully grown. And this is an open target, and besides the spiral turns do not interfere with the glimpse of the goal.

Benefits

The main feature of this perfect protectiveconnections - increased strength. It is achieved due to the fact that the coils of the barbed wire are connected by a special fastening, which helps to maintain the integrity of the entire structure, even with multiple damages. To get rid of this protection, an attacker will have to sweat a lot, and time will be wasted. After all, to destroy one turn it will have a snack in 5-7 places along the entire length of the coil. The modern spiral of Bruno is more perfect than its predecessors. Currently, the prickly protective fences are produced using reinforced barbed tape. The new Bruno spiral, in terms of its protective properties, considerably exceeds the fencing of monobasic and dibasic barbed wire.