B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
B28B 7/36 (2006.01) E04G 11/00 (2006.01)
Patent
CA 2145393
Concrete forms (10) utilizing a laminated concrete form liner (13) comprising a porous fabric (16) laminated to a drainage scrim (17). The laminated form liner (13) is untensioned and used in combination with a support to form a concrete casting system wherein the porous fabric (16) side of the laminated form liner (13) is placed directly in contact with the concrete. The drainage scrim (17) enhances the ability of the form liner (13) to remove excess water from the surface of the concrete.
L'invention se rapporte à des coffrages de béton (10) comportant un revêtement stratifié (13) se composant d'une structure poreuse (16) stratifiée sur un treillis de drainage (17). Le revêtement stratifié (13) du coffrage est relâché et utilisé en combinaison avec un support pour former un système de coulage du béton. La partie poreuse (16) du revêtement stratifié (13) du coffrage est mise directement en contact avec le béton. Le treillis de drainage (17) renforce le pouvoir d'évacuation du revêtement (13) du coffrage lui permettant d'évacuer l'eau excédentaire de la surface du béton.
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
LandOfFree
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