3results about How to "Keep warm" patented technology

This utility model discloses a warm down comforter, including a down comforter core and a down comforter cover. The down comforter core is installed inside the down comforter cover. An inlet is opened on one side of the down comforter cover, and a zipper is provided on the inlet. A connection structure to prevent the down comforter core from shifting is provided between the down comforter cover and the down comforter core. Multiple vertical dividing strips are sewn inside the down comforter core, dividing the down comforter core into multiple down filling areas through the multiple vertical dividing strips. A down filling port is opened on one side of the down comforter core corresponding to each down filling area. A sealing element is provided on each down filling port for sealing the down filling port. Multiple horizontal dividing strips are sewn on the side wall of each vertical dividing strip, and each horizontal dividing strip has a corresponding notch, and each notch corresponds to the down filling port. The down comforter core adopts a multi-layer structure, which solves the problems of existing down comforters being prone to shifting during use and the down inside the down comforter often piling up into a clump, affecting the warmth retention.