Fecha de publicación: 05/01/2017 Fuente: WIPO "hive" A grid ring brood comb frame for cylindrical brood chamber hives has a brood comb frame (20) carrying a comb (6), and the brood comb frame (20) is supplied with connection bodies (40) for connection to a rotating structure. A grid ring (30) is located at least partially around the external shell surface (21) of the brood comb frame (20) carrying the comb (6) and opposite the comb (6). The brood comb frame (20) and the grid ring (30) are connected to each other via connection sections (31), the grid ring (30) is supplied with a first edge (32) extending beyond a longitudinal external plane (S) resting on a side surface (22) of the brood comb frame (20). The connection sections (31) between the brood comb frame (20) and the grid ring (30) are interrupted by one or more bee spaces (34).