SWIMMING POOL Russian patent published in 2009 - IPC E04H4/00 

FIELD: construction.

SUBSTANCE: invention is related to the field of construction and may be used in swimming pool structures. Swimming pool with PVC film for internal waterproofing coating comprises reservoir from boards that are integral in its length, which are connected between each other by means of cruciform lock with bars attached outside, every side of which rests on support columns installed in its middle, which are tightened pairwise in crisscross manner by steel cords, and overflow channel for self-cleaning installed along reservoir perimetre. Channel comprises bottom joined with reservoir walls, back walls having on their internal side grates of V-shaped form of cover in their cross section, inside there is overflow mat and filtering material, which differs by the fact that in angular parts of reservoir there are tanks installed for location of filtering material of shape triangular in cross section, two sides of which abut pool reservoir walls and are fixed to end shelf of overflow channel back wall. Along upper edge of the third wall outside there is a kneepiece, external shelf surface of which is installed at the level of overflow channel bottom and is coated with PVC layer. End surfaces abut walls of pool reservoir, tank bottom is arranged with opening, in which cartridge is installed for location at least in one of tanks of submersible centrifugal electric pump. Above bottom drain grate is installed, on which filtering material is laid, for instance in the form of three polyurethane foam layers with different size of through pores, end surfaces of which tightly abut reservoir walls. Internal edge of overflow mat is connected with provision of tightness to dampproof film along edge of overflow channel bottom and surface of kneepiece and is pressed from top with lower framing plank of grate with filtering mesh installed above overflow channel.

EFFECT: provision of required extent of water purification under conditions of irregular or rare use of pool.

2 cl, 4 dwg