초록 ▼

A dispensing closure includes a base having a lid integrally connected to the base by a hinge. The base has a deck with a central portion, a dispensing opening in the in the central portion, and a peripheral portion surrounding the central portion. The peripheral portion includes a raised wall parti

A dispensing closure includes a base having a lid integrally connected to the base by a hinge. The base has a deck with a central portion, a dispensing opening in the in the central portion, and a peripheral portion surrounding the central portion. The peripheral portion includes a raised wall partially surrounding the central portion, and having a greatest height adjacent to the hinge and decreasing in height around the central portion. The wall has an inner surface that blends with the central portion of the deck to form a concave channel surrounding the central portion of the deck. The channel surface has a base that is angled with respect to the peripheral portion down and away from the raised wall.

대표청구항 ▼

The invention claimed is: 1. A method of making a dispensing closure that includes the steps of:(a) providing a base having a lid integrally joined to said base by a hinge, said base having a deck with a central portion, a dispensing opening, a dispensing opening wall surrounding said dispensing ope

The invention claimed is: 1. A method of making a dispensing closure that includes the steps of:(a) providing a base having a lid integrally joined to said base by a hinge, said base having a deck with a central portion, a dispensing opening, a dispensing opening wall surrounding said dispensing opening, an annular wall underlying said deck around said dispensing opening, and an annular channel on an undersurface of said deck between said dispensing opening wall and said annular wall internally adjacent to said annular wall,(b) providing a dispensing valve having an annular ledge, a central portion extending from an inner periphery of said ledge, and an annular bead axially extending from an outer periphery of said ledge,(c) mounting said valve to said base with said central portion of said valve being received in said dispensing opening, said ledge overlying an end of said dispensing opening wall, and said bead received in said channel between and in contact with said dispensing opening wall and said annular wall, and(d) capturing said valve on said base by a retaining ring that is received within said annular wall.