To cut off a surface sheet on a side of an easy-to-peel region linearly and correctly along a border between the easy-to-peel region and an adhesive region other than the easy-to-peel region without providing a cut line comprising perforations.
The lid A with a hot water draining hole for an instant food container comprising a composite sheet 1 and a surface sheet 11 which are sectioned along a linear border 5a by an easy-to-peel region L1 formed by applying an easy-to-peel agent to a predetermined form region and an adhesive region L2 other than this, and which are laminated and stuck to each other while a water draining hole forming half cut 7 with an inner diameter R is formed at one or a plurality of portions on the composite sheet within the easy-to-peel region. An easy-to-tear film 11a which is easy to tear is laminated and stuck in a direction approximately parallel to the linear border 5a on a side of the surface sheet on a laminate interface between the composite sheet and the surface sheet, and an easy-to-peel layer 5 is formed on the film face.
YOSHINAGA MASANOBU
YOSHIMURA MITSUO
