B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
B28B 21/52 (2006.01) B28B 21/98 (2006.01)
Patent
CA 2631225
The present invention relates to a process for the production by extrusion of piping made of a cementitious material having a circular section and fine thickness, suitable for the channelling of liquids and gases at atmospheric operating pressure or slightly higher.
La présente invention concerne un procédé de production par extrusion d'une canalisation réalisée en matériau cimentaire qui présente une section circulaire et une faible épaisseur et qui est appropriée au transport de liquides et de gaz dans des conditions de pression atmosphérique ou de pression légèrement supérieure à cette dernière.
Alfani Roberta
Guerrini Gian Luca
Italcementi S.p.a.
Robic
LandOfFree
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