| 摘要 |
PROBLEM TO BE SOLVED: To provide a cap free from troubles such as coming off of a lid body from a cap body by an inner pressure when washing and cooling by a warm water shower.SOLUTION: A cap which is entirely made of synthetic resin includes: a cap body A1 which is made by erecting a pouring cylinder 13 on the central part of a top plate 11 extended from the upper end of a fitting cylinder 10 fixed to the outer periphery of a container body neck part 100, making the top plate 11 in the pouring cylinder 13 removable, and erecting a circular engaging protrusion 20 on the outer periphery of the pouring cylinder 13; and a lid body A2 which is made by recessedly forming in a circular form an engaging part 34 to fittingly seal the upper surface and outer peripheral surface of the engaging protrusion 20 of the cap body A1, on the inner peripheral lower end part of a peripheral wall 30, and extending a top wall 31 from the upper end of the peripheral wall 30. The top plate 11 in the pouring cylinder 13 is formed thin so as to be deformable. |
