| 摘要 |
A thermos comprises an outer body including two glass liners therein for respectively maintaining liquids of different temperatures and an upper closure defining therein two openings each with an integral circular wall formed therearound for respectively receiving one of the glass liners. An O-shaped collar sealingly mounted around the circular wall of the opening has the external surface threaded, such that the collar is able to be threadingly connected with an inner cap. A silicon gasket is provided on the collar to further ensure the seal between the inner cap and the collar so as to retain the liquid temperature in the glass liners. All the components are detachable so that they can be cleaned separately.
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