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Issue 01/2009 Especially for small delivery rates

Concrete pump makes precast manhole production more economical

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...

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Issue 12/2010 Start of Perfect Production at Bonna Sabla / France

Custom-made Large Manhole Bases

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...

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Issue 11/2017 Betonwerk Bieren/IKT

Concrete manhole bases on a par with clinker lining

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...

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Issue 11/2014

Method for manufacture of a manhole bottom

(10) DE 10 2007 015 270 B4 (22) 27.03.2007 (43) 10.07.2008 (45) 18.09.2014 (73) P.V. Betonfertigteilwerke GmbH, 63456 Hanau, DE (57) Hauptanspruch: Verfahren zur Herstellung eines Schachtunterteils...

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Issue 06/2010 Review bauma

Pipe machinery and manhole machinery

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...

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