Ultrathin concrete composite pipe with oriented and localized fiber
(11) EP 3 290 176 Al
(22) 26.07.2017
(43) 07.03.2018 Bulletin 2018/10
(57) A concrete layer having an upper surface and a lower surface, a first fiber layer having longitudinally oriented (102) and radially oriented (104) fiber embedded in the upper surface of the concrete layer, and a second fiber layering having longitudinally oriented and radially oriented fiber embedded in the lower surface of the concrete layer.
(71) HawkeyePedershaab Concrete Technologies, Inc. Clayton, MO 63105 (US)
(84) ) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES Fl FR GB GR HR HU IE IS IT LI LT LU LV...