PROBLEM TO BE SOLVED: To provide a mouth opening device for bag-like food which can avoid generating cracks or damage of the bag-like food when opening an opening part for filling an appropriate food material in the thick and soft bag-like food such as fried bean curd, and further, reduce the number of suction or exhaust devices to be used, or reduce capacity thereof.SOLUTION: A device for opening a mouth for filling an appropriate food material into the thick and soft bag-like food 1 includes a suction implement 2 for sucking an upper surface of the bag-like food by sucking air when placing the bag-like food, and a grip 3 gripping a lower surface of the bag-like food, and a control unit for opening the mouth of the bag-like food by separating the suction implement and the grip while holding the upper surface and the lower surface of the bag-like food with the suction implement and the grip. On the lower surface of the suction implement abutting on the upper surface of the bag-like food, a mesh-like structure is attached.COPYRIGHT: (C)2013,JPO&INPIT【課題】油揚げ等の厚くて柔らかい袋状食品に適宜の食材を詰めるための開口部を開くときに、袋状食品の亀裂や破損が生じないようにし、さらに使用する吸気又は排気装置を少なく又は容量を小さくすることができる袋状食品用口開き装置を提供する。【解決手段】厚くて柔らかい袋状食品1に適宜の食材を詰めるために口開きを行うようにした装置であって、袋状食品を載置したときに、袋状食品の上面を空気の吸引により吸着する吸着具2と、袋状食品の下面を掴持する掴み具3とを有し、吸着具と掴み具とで袋状食品の上面と下面を保持させた状態で、吸着具と掴み具とを離間させることにより袋状食品の口開きを行う制御手段を有し、袋状食品の上面と当接する吸着具の下面部には網目状構造物が付されている袋状食品用口開き装置。【選択図】図1