PROBLEM TO BE SOLVED: To provide a loading method of an inner sheet material capable of easily processing in the process of attaching to a cap an opening guide line which can easily break a lower sheet material while leaving a part of the lower sheet material in a ring-shaped clean form to the container mouth.;SOLUTION: A loading method of an inner sheet material 4 consisting of an upper sheet material 5 mainly made of an elastic sheet such as a resin and a cardboard and a lower sheet material 6 mainly made of a metal foil such as an aluminum foil into a cap 3 of a sealed container A, wherein the inner sheet 4 with the lower sheet 6 directed upward is sucked to the lower sheet 10 of the cap 3 of the sealed container A using a loading tool B having a ring-shaped projecting blade 11 on the lower surface 10a and a suction hole 12 by air, and is inserted into the cap 3 turned upside down, and pressed at a top plate surface of the cap, thereby processing a ring-shaped fragile opening guiding wire 6a into the lower sheet material 6.;SELECTED DRAWING: Figure 7;COPYRIGHT: (C)2019,JPO&INPIT
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