This invention relates to food containers in the form of paper or plastic bag like structures having interiorly deployable food and beverage support means. These containers can be shipped in compact, folded condition resembling a plain bag but when opened and the support means deployed, a sturdy, secure...http://www.google.es/patents/US4708248?utm_source=gb-gplus-sharePatente US4708248 - Collapsible food and beverage container