To provide a technique advantageous for extruding a viscous fluid such as a semi-solid nutrient from a container.SOLUTION: The extrusion apparatus 100 for extruding a viscous fluid filled in a deformable bag-like container from a container comprises a support portion 101 and a winding portion 111 respectively attached to the base portion, a first sheet member 103 The winding part 111 has a winding shaft 102 that is disposed at a position facing the surface of the supporting part 101 and rotates about an axis parallel to the surface, One end of which is attached to the winding shaft 102 and extends in a direction intersecting with the rotation axis of the winding shaft 102 and whose end portion is placed on the first sheet member 103, By winding it between the supporting portion 101 and the winding shaft 102 according to the rotation of the winding shaft 102 so as to sandwich the container from the end portion between the winding shaft 102 and the first sheet member 103 and winding around the winding shaft 102 By taking, the container can be removed from the end Pressure, push the viscous fluid from the container.BACKGROUND OF THE INVENTION【課題】半固形栄養剤などの粘性流体を容器から押し出すのに有利な技術を提供する。【解決手段】変形可能な袋状の容器に充填された粘性流体を容器から押し出す押出装置100であって、基部にそれぞれ取り付けられた支持部101および巻取部111と、第1のシート部材103と、を備え、巻取部111は、支持部101の表面と対向する位置に配され、表面と平行な軸を中心に回転する巻取軸102を有し、第1のシート部材103は、一端が巻取軸102に取り付けられ、巻取軸102の回転軸に対して交差する方向に延在し、端部が第1のシート部材103の上に載置される容器を、巻取軸102の回転に従って支持部101と巻取軸102との間に巻き込むことによって、容器を端部から巻取軸102と第1のシート部材103との間に挟み込み、かつ、巻取軸102に巻き取ることによって、容器を端部から押圧し、容器から粘性流体を押し出す。【選択図】図1
