Recently , a new container fbr Ii 吼 uid of fbod pro 血 cts , which oonsists of a case made of a she ¢ t of recycled papcr and a liquid − packagillg bag wi 血 apou 血 g lip rnade of a plastic film has been developed , Tho improvement of thc resistarlcc of 血 e new oo 皿taincr to drep impact is desired because thc resistarlcc is not ade 〔 luatelyL To improve the resistance , it iS hnpor 亀 a皿 t to ves 匝ga鯰 血e defo 圃 on oftho case. in this stUdy , the deformation of the bottom of the case subjecbed tO 〔

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... lrop impact was observed using a high speed camera Results i 皿 dicated that the case had chalacteristic defo 皿 ation . Key MorciS :Container for liquid fooq liquid − packag血g bag , Recycled paper , Drop impac ち Deformation , DIC