BOPI 08 BR/2022 REPERTOIRE NUMERIQUE 24 cavity (25) for receiving a packing product (40), a top side (11) of the blister card (10), and the cover film (30) is connected extensively to the carrier film (20), closes the blister cavity (25) filled with the packing product (40), and forms an underside (12), located opposite the top side (11), of the blister card (10). At least one backing card (50) is fastened in a movable manner at two opposite side edges (15, 16) or peripheral portions (17, 18) of the blister card (10), said backing card (50) resting in a planar manner against the underside (12) of the blister card (10) in a securing position (70) and in the process securing the enclosed packing product (40) against unintentional removal, wherein the backing card (50) is transferable reversibly from the securing position (70) into a removal position (80) by means of external force application (90) by mirror-inverted compression (91, 92) of two mutually opposite packaging portions (5, 6), wherein, during the external force application (90), the backing card (50) is spaced apart from the underside (12) of the blister card (10), forming a packaging interior (100), and the packing product (40) can be released into and removed from the packaging interior (100) by pushing through (35) the cover film (30). Consulter le mémoire (11) 20512 (51) C04B 28/02 (2018.01) (21) 1202100387 - PCT/EP2020/054878 (22) 25/02/2020 (30) FR n° 1901879 du 25/02/2019 (54) Method for grinding a hydraulic binder. (72) OYTUN YAZAN, Hüseyin (FR); GUILLOT, Laurent (FR) et BOUSTINGORRY, Pascal (FR) (73) CHRYSO, 19 Place de la Résistance, 92440 ISSY LES MOULINEAUX (FR) (74) Cabinet BONNY & Associés, LAW FIRM, B.P. 869, YAOUNDE (CM). (57) The application concerns a method for grinding a hydraulic binder, comprising: a) introducing: - a hydraulic binder, and - a composition B comprising at least one grinding aid B into the first chamber (12) of a horizontal grinder (11) comprising several chambers (12, 14), including a first chamber (12) and a last chamber (14), each chamber (12) being separated from the adjacent chamber (14) by a diaphragm (17), whereby a composition p comprising the hydraulic binder and composition B is obtained in the first chamber (12), b) grinding composition p in the horizontal grinder (11), whereby composition B moves from
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