Towers Masts or poles Chimney stacks Water-towers Methods of erecting such structures

EFIXED CONSTRUCTIONS E04Building E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES SWIMMING OR SPLASH BATHS OR POOLS MASTS FENCING TENTS OR CANOPIES, IN GENERAL

E04H12/00Towers Masts or poles Chimney stacks Water-towers Methods of erecting such structures

E04H12/003Access covers or locks therefor E04H12/02Structures made of specified materials E04H12/04of wood E04H12/06Truss-like structures E04H12/08of metal E04H12/085Details of flanges for tubular masts E04H12/10Truss-like structures E04H12/12of concrete or other stone-like material, with or without internal or external reinforcements E04H12/14Truss-like structures E04H12/16Pre-stressed structures E04H12/18movable or with movable sections E04H12/182telescopic E04H12/185with identical elements E04H12/187with hinged sections E04H12/20Side supporting means therefor E04H12/22Sockets or holders for poles or posts E04H12/2207not used E04H12/2215driven into the ground E04H12/2223by screwing E04H12/223with movable anchoring elements; with separately driven anchor rods E04H12/2238to be placed on the ground E04H12/2246filled with water, sand or the like E04H12/2253Mounting poles or posts to the holder E04H12/2261on a flat base E04H12/2269in a socket E04H12/2276Clamping poles or posts on a stub E04H12/2284Means for adjusting the orientation of the post or pole E04H12/2292Holders used for protection, repair or reinforcement of the post or pole E04H12/24Cross arms E04H12/26Winding-towers for mines E04H12/28Chimney stacks E04H12/30Water-towers E04H12/32Flagpoles E04H12/34Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like E04H12/341Arrangements for casting in situ concrete towers or the like E04H12/342Arrangements for stacking tower sections on top of each other E04H12/344Arrangements for lifting tower sections for placing additional sections under them E04H12/345Arrangements for tilting up whole structures or sections thereof E04H12/347Arrangements for setting poles in the ground E04H12/348Arrangements for demolition towers or the like