To improve operability at opening.SOLUTION: A hinge cap 1 includes a cap body 10 formed with a spout 11, a lid body 13 coupled to the cap body so as to rotate about a hinge portion 12, a blocking plate 15 that is coupled to an opening edge portion of the spout through a weakened portion 14 to block the spout, and an unplugging body 16 that integrally couples the lid body and the blocking plate. A first insertion hole 35 in which an unplugging body is inserted is formed on a top wall 31 of the lid body, and a second insertion hole 41 in which the unplugging body is inserted is formed on the blocking plate. The unplugging body is equipped with a first shaft portion 50 fitted with the inside of the first insertion hole, and a second shaft portion 51 fitted with the inside of the...

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