Latticework

A grid is an array of elongated parts at regular intervals, which can be used to shut off against people, animals or foreign objects. Often two crossed layers of components are used. In general, a grid has a peripheral rim. The material is mostly used metal as well as wood, stone or plastic are used.

A horizontal lying grating is sometimes referred to as rust. In the water industry or foreign bodies which stop often called grid computing.

History

Production

Most commonly, the use of wrought or cast iron, in the Middle Ages also of brass. Made from metal rods, strips or bands ( semi-finished ) was held at its edge points by league together or they were riveted. In the entanglement of these rods soon a large variety and craftsmanship has been reached. The smooth rods and tapes were then decorated later with forged ( fire- welded ) or cast leaves, flowers, arabesques, human and animal figures, even grotesque, so that the lattice eventually become a major product of arts and crafts and with the greatest luxury, for example, gilts were fitted.

In modern times, the architectural bronze ( bronze smiths ) is used for the production of gratings by ironwork in addition to the low- mild steel and soft iron or pure iron and mainly in Southern Germany, Switzerland and South Tyrol, which is characterized by long-lasting corrosion resistance and beautiful patina.

Use

The blacksmith made ​​grid at the end of chapels, churches, at the end of the choir of the ships, to Umfriedigung the grave monuments in the churches, to the Mount of baptismal fonts, fountains and public monuments to. During the Renaissance, the grids were generally in the private architecture and it is also up to now remained as a gate, door, window, grave and garden railings in most manifold use. In order to stimulate the black iron color gold plating, copper plating, nickel plating, etc. used. In addition to the previously most common casting of grids blacksmithing during the preparation of grids has recently again made ​​great artistic achievements.

Examples

Characteristic examples are the Gothic latticework on the so-called Quintin Massys - Fountain in Antwerp, the grid in the Cathedral of Freising, the grid at the Tomb of Charles IV in the cathedral of Prague and the grid at the Augustus fountain in Augsburg.

Securing means

Besides the use as a decorative item, the grid is as an object of security or security in use (see guard ). Barred windows and doors are in jails and prisons to prevent escape attempts and ensuring the detainees. In other buildings (such as private houses ) should be established barred windows as a security measure to protect against burglars (intrusion protection). Also Fences reared worth protecting buildings. Achieve grid technically correctly prepared and permanently mounted as a protection against burglary resistance class WK 6 scissors and rolling grilles if installed as protection against burglary resistance class WK 3