The Austrian Schlüsselbauer Technology GmbH & Co.KG has developed a production system with which using negative mold bodies and special formwork elements of highly individual shapes can also be...
History of Bonna Sabla
At the end of the 19th century, Bonna was founded by Aimé Bonna, the inventor of the âme-tôle pipe (pipe with steel-sheet inner liner). Already at that time, processes...
In several tests, the IKT - Institute for Underground Infrastructure has proven that the monolithic manhole base made of acid-resistant high-performance concrete from the Betonwerk Bieren concrete...
And last but not least: how would the ban on flights over Europe affect the especially export-oriented manufacturers of pipe and manhole machinery? Unfortunately, this was reflected at least for the...
