| 摘要 |
<p>The device has a fabric envelope (1) i.e. duvet cover, comprising compartments (2) i.e. pockets, that are intended to contain insulating elements i.e. duvets or cushions, whose heat insulation characteristics are different. The compartments comprise threading units (4) for threading the insulating elements at the periphery of the envelope. A foldable maintaining unit (5) is equipped at the periphery of the envelope, and maintains the envelope at one insulating element on which a user is rested. The thickness of each insulating element is not greater than that of each compartment.</p> |
