B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
B28B 19/00 (2006.01) F16L 9/08 (2006.01)
Patent
CA 2718193
The invention relates to a method for the production of concrete pipes, particularly for wastewater lines, having a plastic inner pipe, wherein the concrete part is manufactured in a horizontal position in order to simplify the production process and reduce the costs thereof, and wherein the plastic inner pipe is maintained in a horizontal position in a trough, wherein the trough is further filled with flowable concrete to above the plastic pipe, and wherein the plastic pipe serves as an inner tray and remains in the concrete pipe after the concrete has cured, and to a concrete pipe system.
L'invention concerne un procédé de fabrication de tuyaux en béton, en particulier pour réseaux d'égout, comprenant un tuyau intérieur en plastique. Le but de l'invention est de simplifier et de réduire les coûts du procédé de fabrication. A cet effet, l'élément en béton est fabriqué horizontalement et le tuyau intérieur en plastique est maintenu horizontalement dans l'auge, l'auge étant remplie de béton fluide jusqu'à ce que le tuyau en plastique en soit recouvert, le tuyau en plastique faisant office de paroi intérieure et restant dans le tuyau en béton après durcissement du béton. L'invention concerne également un système de tuyauterie en béton.
Bartlechner Franz
Bartlechner Johann
Gowling Lafleur Henderson Llp
Johann Bartlechner Kg
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