Patent ID: 7938387

Claim:
A springing construction for making mattresses, said springing construction comprising a plurality of resilient modular elements, having a central coupling body for coupling to locating bars which extend substantially parallel to a mattress lying plane, said central body being associated with a central springing element adjoining, on opposite sides of the locating bar lying plane, springing side elements, said modular elements being resiliently yieldable along a direction substantially perpendicular to the mattress lying plane, said modular elements being made as single bodies of a plastic material, said central body comprising a sheet portion coupled, at the ends thereof, to coupling sleeves for connection with said locating bars, said coupling sleeves projecting on opposite faces of said modular element to operate as a spacer member, said locating bars comprising tubular elementS closed by respective end plugs, characterized in that said central springing element has an elongated-8 pattern, with a central portion thereof rigid with said sheet element, said side springing elements having an elongated-8 pattern and being associated with said central springing element at closed loop portions, said side springing elements having, at their outer faces, flat portions for applying a glue material for connecting coating layers.