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US 2014/0231692 A1Published application
Diaphragm Disk
AssigneeZurn Industries, LLC
InventorsMichael A. Funari, Larry M. Elting, Jerome S. Markijohn
Life of this patent
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AssigneeZurn Industries, LLC
InventorsMichael A. Funari, Larry M. Elting, Jerome S. Markijohn
Estimating the term…
A diaphragm type flush valve for use with toilet devices such as urinals and water closets that includes a valve member, a diaphragm, a guide member extends downwardly from the diaphragm, and a disk positioned on top of the diaphragm. The disk is threadably attached to the guide member and functions to secure the diaphragm, the disk, and the guide member into the valve member. The disk includes a rigid body made of a composite material and a seal member made of an adhesive and a thin layer of rubber, with the seal member having a portion on an upper surface of the disk for sealing contact with a relief valve. The disk also includes a plurality of spaced protrusions and inwardly directed on its upper surface in order to add accuracy and stability to the diaphragm assembly.
A diaphragm flush valve for use with toilet devices such as urinals and water closets, including a body having an inlet and an outlet, a valve seat between said inlet and said outlet, and a valve member movable to a closing position on said valve seat to stop flow between said inlet and said outlet, said valve member including, a diaphragm peripherally attached to said body, a pressure chamber above said diaphragm for holding said valve member on said valve seat,
The diaphragm flush valve of claim 10, wherein the sealing material is a rubber.
A diaphragm disk for use in a diaphragm flush valve for use with toilet devices, such as urinals and water closets, including a body having an inlet and an outlet, a valve seat between said inlet and said outlet and a valve member movable to a closing position on said valve seat to stop flow between said inlet and said outlet, said valve member including a diaphragm peripherally attached to said body, a pressure chamber above said diaphragm for holding said valve member on said valve seat, the diaphragm disk comprising,
A method of making a diaphragm disk for use in a diaphragm flush valve for use with toilet devices, such as urinals and water closets, including a body having an inlet and an outlet, a valve seat between said inlet and outlet and a valve member movable to a closing position on said valve seat to stop flow between said inlet and outlet, said valve member, including a diaphragm peripherally attached to said body, a pressure chamber above said diaphragm for holding said valve member on said valve seat, the method of making the diaphragm disk comprising the steps of:
Dependencies are inferred from the claim text.