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Production process

Preparation

The loess clay is gathered from the company’s pit. The raw material is volumetrically premixed.

A variety of recipes create differing results in colour, pattern, texture and quality of the finished bricks.

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Conveyors deliver the pre-mixed clay into the edge mill. This can be likened to a gigantic coffee mill.

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Through edge runners the clay gets crushed, crumpled and ground. This is the first step of the clay’s homogenization.

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After the homogenization process, water is added to achieve the desired level of moisture. The, now, fully prepared clay goes into one of the two shaping plants.

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Vacuum extrusion press

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Under high pressure, the clay thread is getting pressed out of the tip of the machine. Its important that all parameters are well coordinated.

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The Cutter cuts the single pieces out of the clay thread.

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The raw clay bricks are now ready for the rest of the production. The last step before the pieces will be burned, is the withdrawel of any humidity in a drying chamber.

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After the dried blanks are put in the kiln, according  to a specific pattern thats known by our experienced coworkers, the kiln master closes up the ring kiln.

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Following our various burning rituals, that have been undergoing improvements over 100 years, the kiln master watches over the burning of the bricks.

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The final step is to get the clinker bricks out of the kiln. This is, again, done by hand, which means that every brick undergoes various quality controls.