发明名称 A DEVICE FOR WRAPPING AND WELDING UNDER VACUUM, USED IN THE MANUFACTURE OF A THERMALLY INSULATED CONTAINER
摘要 <p>Method and device for manufacturing a thermally insulated container (1) for storing and transporting material such as vaccine, biological material and the like requiring a substantial constant temperature during a substantial period of time, the container comprising an insulated first can-shaped vessel (2) filled with a solid-to-liquid phase transforming refrigerant material (5). In a first step of the method a multilayer insulation is baked under vacuum and arranged about said first vessel (2) by wrapping so that it encloses said first vessel on all sides, in a second step said first vessel is inserted under vacuum into an outer vessel, in a third step the bottom part (18) and the cover part (19) of the container are welded together under vacuum. The device for manufacturing the container comprises a high vacuum chamber (28) provided with an input magazine (32) and valve (32b) for said first vessel (2), a wrapper machine (29) for wrapping said first vessel with insulation and a welding station located above said wrapper machine (29) for welding the container parts (18, 19) under vacuum.</p>
申请公布号 WO9316922(A1) 申请公布日期 1993.09.02
申请号 WO1992SE00109 申请日期 1992.02.24
申请人 THERMOPAC AB 发明人 BLOM, ANDERS;GUSTAFSSON, JARL
分类号 B65B31/02;B29C65/00;B29C65/16;B29C65/18 主分类号 B65B31/02
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