Gasket seals for drain closures
An exemplary embodiment, among others, of the present disclosure is directed to a drain closure assembly. A head of the drain closure assembly is fastened to a top end of a stem, wherein a bottom end of the stem is insertable in a drain shoe; and a gasket is fastened around an outer cylinder of the stem below the head. The gasket comprises an upper outer portion and a lower outer portion that each meet at a line that defines a hinge at which the gasket is able to bend, wherein the lower outer portion features a sloped surface from a bottom edge of a rim of the gasket to the line at a top of the lower outer portion, wherein the upper outer portion has a right circular cylinder shape.
1 . A drain closure assembly comprising:
a head of the drain closure assembly that is fastened to a top end of a stem, wherein a bottom end of the stem is insertable in a drain shoe,
wherein the stem comprises an outer cylinder adjacent to the top end of the stem that is positioned around an inner cylinder at a bottom end of the stem, wherein the top end of the stem comprises a threaded portion that couples with the head of the drain closure assembly,
wherein a width of the outer cylinder is larger than a width of the top end of the stem, wherein a width of the outer cylinder is equivalent to the width of the threaded portion; and
a gasket fastened around an outer cylinder of the stem below the head,
wherein the gasket comprises an upper outer portion and a lower outer portion that each meet at a line that defines a hinge at which the gasket is able to bend, wherein the lower outer portion features a sloped surface from a bottom edge of a rim of the gasket to the line at a top of the lower outer portion, wherein the upper outer portion has a right circular cylinder shape,
wherein a vertical positioning of the gasket does not overlap with a vertical positioning of the head of the drain closure assembly on the stem.
2 . The drain closure assembly of claim 1 , wherein the outer cylinder is movable in a vertical direction over the inner cylinder of the stem.
3 . The drain closure assembly of claim 2 , wherein the head of the drain closure assembly is adapted to slide downwardly until the gasket is flattened against a flange of the drain shoe.
4 . The drain closure assembly of claim 1 , wherein the gasket is an elastic resilient material.
5 . The drain closure assembly of claim 1 , wherein the head of the drain closure assembly is a metallic material.
6 . The drain closure assembly of claim 1 , wherein a bottom end of the stem is threaded.
7 . The drain closure assembly of claim 1 , wherein a height of the drain closure assembly is 2.25 inches.
8 . The drain closure assembly of claim 1 , wherein a width of the head is 2.0 inches.
9 . The drain closure assembly of claim 1 , wherein the head of the drain closure assembly is spring actuated to move to an open position from a closed position.
10 . The drain closure assembly of claim 1 , wherein the stem comprises a ⅜ inch threaded post.
11 . The drain closure assembly of claim 1 , wherein the stem comprises a 5/16 inch threaded post.
12 . The drain closure assembly of claim 1 , wherein the head of the drain closure assembly is a plastic material.