MULTILAYER CUSHION FOR SUPPORTING OF HUMAN BODY PARTS Russian patent published in 2005 - IPC

FIELD: upholstered pieces of furniture, in particular, cushions for armchairs, sofas, beds, and also for bedding used as traditional cushion to be put under head, loins, or as roll put under feet.

SUBSTANCE: cushion has casing incorporating forming core and at least one additional layer of natural materials. Forming core is manufactured from resilient material, for example, foamed polyurethane or latex, which assumes the shape of human body part and reduces its shape after release of loading. Additional layer comprises enclosure provided between core and casing and including filler consisting of bird fluff or buckwheat shell or combination thereof. Core surface may have wavy relief. Enclosure case for additional layer is composed of two layers of woven or non-woven material; inner surface of casing may be used as outer layer of enclosure case.

EFFECT: simplified construction, provision for keeping of shape under loading and after release of loading, improved ecological purity, enhanced ventilation and hygroscopicity, and improved bioenergetics effect.

4 cl