LID, VESSEL WITH LID, AND COMBINATION OF LID AND VESSEL

Claims

1. A lid containing: a main body designed in such a way that it can contact a vessel that includes an opening and an edge forming the outer periphery of the opening, wherein: the main body includes an insertion portion configured to form an insertion hole, the insertion portion includes an opening cover that covers the insertion opening and a weakened portion that forms at least a portion of the outer peripheral edge of the opening cover, the weakened portion includes a plurality of slits penetrating into the main body in the direction of the thickness of the main body, and a non-penetrating portion in which the main body is not penetrated, the insertion hole is formed by applying pressure to the insertion portion from the outside in the direction of the thickness of the main body, and, when the insertion hole is formed, the non-penetrating portion is destroyed, wherein the destroyed non-penetrating portion forms a fracture surface on a portion of the outer peripheral edge of the hole cover, wherein the hole cover is displaced together with the fracture surface, and at least a portion of the fracture surface is located on the tip of the hole cover.

2. A lid containing: a main body designed in such a way that it can contact a vessel that includes an opening and an edge forming the outer periphery of the opening, wherein: the main body includes an insertion portion configured to form an insertion hole, the insertion portion includes an opening cover that covers the insertion opening and a weakened portion that forms at least a portion of the outer peripheral edge of the opening cover, the opening cover includes an angle that forms a protruding portion of the outline of the main body in the plan view, the weakened portion includes a plurality of slits penetrating into the main body in the direction of the thickness of the main body, and a non-penetrating portion in which the main body is not penetrated, the insertion hole is formed by applying pressure to the insertion portion from the outside in the direction of the thickness of the main body, and, when the insertion hole is formed, the non-penetrating portion is destroyed, wherein the destroyed non-penetrating portion forms a fracture surface in a portion of the outer peripheral edge of the hole cover, wherein the hole cover is displaced together with the fracture surface, and at least a portion of the fracture surface is located in a corner of the hole cover.

3. The cover according to claim 1, wherein upon destruction of the non-penetrating portion, a plurality of fracture surfaces are formed, and at least a portion of at least one of the fracture surfaces is located at the tip of the opening cover.

4. The lid according to claim 1 or 2, wherein the weakened portion includes a plurality of non-penetrating portions, and at least one of the non-penetrating portions is broken when pressure is applied to the insertion portion from the outside in the thickness direction of the main body.

5. The lid according to claim 1 or 2, wherein the insertion portion includes a plurality of hole covers, and when the insertion hole is formed, a fracture surface is formed at a portion of the outer peripheral edge of each of the hole covers.

6. The lid according to claim 1 or 2, wherein the non-penetrating portion has a half-cut structure in which the main body is cut to a predetermined depth in the thickness direction of the main body.

7. A lid according to claim 1 or 2, wherein the non-penetrating portion has a structure in which at least three of the slots are formed around the circumference of the non-penetrating portion.

8. A lid according to claim 1 or 2, in which a raised portion is formed, and the insertion portion is formed in the region of formation of the raised portion.

9. A cover according to claim 1 or 2, wherein the main body is made of a paper-based material.

10. The lid according to item 1 or 2, further comprising: a portion corresponding to the region of connection corresponding to the region connected to the vessel at the edge of the vessel; and a portion corresponding to the cover region, which is a section inside the portion corresponding to the connection region, wherein the insertion portion is formed in the portion corresponding to the area of ​​the cover.

11. A lid according to item 1 or 2, in which a side wall is provided along the outer perimeter of the main body, wherein the side wall is designed with the possibility of being fixed to the vessel along the edge of the vessel.

12. A lid according to claim 1 or 2, wherein each of the slots includes a portion of a peripheral surface and ends, and when two different of the slots are formed as a first slot and a second slot, respectively, at least one pair of the first slot and the second slot is arranged such that a non-penetrating portion is formed between one of the ends of the first slot and the portion of the peripheral surface of the peripheral surface of the second slot.

13. A vessel with a lid containing: a lid according to item 1 or 2; wherein the vessel includes an opening and an edge formed by the outer periphery of the opening, the lid is attached to the vessel.

14. A combination of a lid and a vessel comprising: the lid according to item 1 or 2 and a vessel that includes an opening and a rim formed by the outer periphery of the opening.