| 摘要 |
FIELD: personal use articles. ^ SUBSTANCE: invention relates to mattresses with a flexible flat electric heater. The mattress comprises a base, which is arranged in a jacket, and a flexible multi-section flat electric heater. The electric heater comprises a flexible jacket, which is made of two identical sheets of flexible electric insulation heat-conducting material applied one onto another and joined to each other by means of the main seams forming double-input pockets arranged serially along the length of the jacket, every of which is limited with equidistantly arranged external and internal ""-shaped contours formed by the main seams. Each section of an electric heater comprises at least two parallel electrically connected ""-shaped electric heating elements, every of which is arranged in the according double-input pocket. The tape heater includes a substrate in the form of a glass fibre tissue tape and at least two parallel electrically connected flexible wires of elastic carbon fibres, which are arranged in parallel to each other along the substrate and are connected to it. The jacket is arranged with the possibility of detachment, and the flexible multi-section flat electric heater with the help of additional seams is fixed on the internal surface of a jacket arranged opposite to its surface that faces the user. ^ EFFECT: provision of a flexible flat electric heater repairability. ^ 4 dwg |
