| 摘要 |
A thermal insulation cover comprising: a flexible outer cover material 12, with an outer cover flexible rim 14 bonded to the outer cover material; a flexible insulating inner cover material 16 attached to the outer cover material, in which the inner cover material comprises one or more layers 18 of insulating material; and a tightening mechanism for tightening the rim. The tightening mechanism may comprise a drawstring channel 20 within the periphery 22 of the thermal insulation cover 10 having an opening 24 to receive a drawstring 26 passing through the opening and the channel, wherein the drawstring is configured to constrict the periphery of the thermal insulation cover. |
