Sift-resistant dispensing closure
AssigneeWeatherchem Corporation
InventorBarry Michael Daggett
Life of this patent
Estimating the term…
Abstract
A sift-resistant dispensing closure is disclosed. The sift-resistant dispensing closure includes a base, a lid, and a hinge connecting the lid to the base. The base contains a circular end wall, a cylindrical skirt extending downward from the periphery of the end wall, and a sift deck elevated from the upside of the circular end wall. The sift deck contains a deck surface surrounded by a first snap bead and a first sealing surface, and pouring holes formed on the deck surface. The lid contains a second snap bead and a second sealing surface that are formed on the underside of the lid and engage with the first snap bead and first sealing surface, respectively, to form a seal around the sift deck when the lid is in a closed position.
Claims20
A dispensing closure, comprising:
- a hinge that connects a lid to a base, the base comprising:
- an end wall;
- a cylindrical skirt that extends downward from a periphery of the end wall;
- a sift-resistant deck formed on an upside of the end wall, the sift-resistant deck is elevated from an upper surface of the end wall and comprises a concave deck surface with a plurality of pouring openings wherein the sift-resistant deck and concave deck surface are disposed on a first half of the base, the upper surface located on a plane, the concave deck surface curved towards the plane at a center interior portion of the sift-resistant deck, wherein the concave deck surface is disposed between a deck snap-bead formed along a surface edge of the sift-resistant deck and a sift deck sealing surface formed parallel to the hinge and along an outer periphery of the sift-resistant deck,
- wherein the hinge is molded to the end wall at a first end of the hinge and the hinge is molded to the end wall at a second end of the hinge, the hinge is parallel to the end wall, and the hinge spans a diameter of the base.
A closure, comprising:
- a hinge that connects a lid to a base, the base comprising:
- an end wall;
- a skirt that extends downward from a periphery of the end wall;
- a sift-resistant deck formed on an upside of the end wall, the sift-resistant deck is elevated from an upper surface of the end wall and comprises a concave deck surface with one or more sifting or pouring openings wherein the sift-resistant deck and concave deck surface are disposed on a first half of the base, the upper surface located on a plane, the concave deck surface curved towards the plane at a center interior portion of the sift-resistant deck;
- a deck snap-bead formed along a surface edge of the sift-resistant deck;
- a sift deck sealing surface formed parallel to the hinge and along an outer periphery of the sift-resistant deck;
- and
- a circular guard wall that surrounds the sift-resistant deck, wherein the lid comprises a lid snap bead and a lid sealing surface that operate in conjunction to hold the lid closed on the end wall and to seal the sift-resistant deck,
- wherein the hinge is molded to the end wall at a first end of the hinge and the hinge is molded to the end wall at a second end of the hinge, the hinge is parallel to the end wall, and the hinge spans a diameter of the base.
A container assembly, comprising:
- a container comprising an opening;
- and
- a closure attached to the opening, the closure comprises:
- a hinge that connects a lid to a base, the base comprising:
- an end wall;
- a cylindrical skirt that extends downward from a periphery of the end wall;
- a sift-resistant deck formed on an upside of the end wall, the sift-resistant deck is elevated from an upper surface of the end wall and comprises a concave deck surface with a plurality of pouring openings wherein the sift-resistant deck and concave deck surface are disposed on a first half of the base, the concave deck surface curved towards the container at a center interior portion of the sift-resistant deck;
- a deck snap-bead formed along a surface edge of the sift-resistant deck;
- and
- a sift deck sealing surface formed parallel to the hinge and along an outer periphery of the sift-resistant deck,
- wherein the hinge is molded to the end wall at a first end of the hinge and the hinge is molded to the end wall at a second end of the hinge, the hinge is parallel to the end wall, and the hinge spans a diameter of the base.
Dependencies are inferred from the claim text.