Sheet for applying a predefined pattern to the surface of a concrete element ...

(10) WO 2019/145412 A1

(22) 24.01.2019

(43) 01.08.2019

(57) The sheet (10) comprises: - a main layer (20) made of polymer material, one contact surface (22) of which is intended to come into contact with a surface of a volume of liquid concrete during an operation for manufacturing a concrete element by formwork or molding, the main surface having hydrophobic properties; - an attachment layer (40) for securing the sheet to a support surface; -the contact surface (22) being textured and comprising for this purpose a plurality of three-dimensional structures (32) which protrude in relation to the main layer (22) and forming a predefined graphical patern in relief (30) intended to be printed on the surface of the concrete element.

(71) PRO-T-CO [FR/FR] ; 16 all& Henry Purcell, 42000 SAINT-ETIENNE (FR).

(84) ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), eurasien (AM, AZ, BY, KG, KZ, RU, TJ, TM), europeen (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, 1E, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).