发明名称 Food package comprises tray in which food is sealed by lid or foil sheet either under pressure or in vacuum, base of tray having depression whose base is formed by membrane connected to tray by U- or V-shaped groove
摘要 The food package comprises a tray (1) in which the food is sealed by a lid or foil sheet either under pressure or in a vacuum. The base of the tray has a depression whose base is formed by a membrane (2) connected to the tray by a U- or V-shaped groove (3). The membrane moves from an outwardly-curved position to an inwardly-curved one, or vice-versa, if there is a change in pressure in the container.
申请公布号 DE10041404(A1) 申请公布日期 2002.03.07
申请号 DE20001041404 申请日期 2000.08.23
申请人 TIROMAT KRAEMER + GREBE GMBH & CO. KG 发明人
分类号 B65D79/00;(IPC1-7):B65D79/02;B65D17/00;B65D75/36 主分类号 B65D79/00
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