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US 10,519,637 B2Granted
Sink and drain for sink
AssigneeElkay Manufacturing Company
InventorsDaniel Keating Childs, Shawn Daly, Jonathan Chee Yeen Chong, Erik Lynch, Robert Zudic, Christopher Waas
Life of this patent
Estimating the term…
Abstract
Sinks and drains for sinks permitting the attachment of the drain to the sink such that the drain is substantially disposed below the top surface of the sink basin, and such that there is no discernable separation between the base of the sink basin and the drain when viewed from above the sink. A method of making a sink such that there is no discernable separation between the base of the sink basin and the drain when viewed from above the sink.
Claims4
A sink comprising:
- a sink basin having a sidewall and a base in a bottom portion thereof, the base having a drain opening;
- a first drain entry portion integrally formed from the base and extending from the bottom portion at the drain opening to form an extension, the extension having external threads;
- and
- a second drain entry portion including a first end portion with an internal thread extending between first and second axial locations, the first end portion configured to be received on the external threads of the extension and a radially inwardly extending flange positioned at the second axial location of the internal thread and disposed to be drawn towards the extension of the first drain entry portion when the second drain entry portion is threaded onto the first drain entry portion.
1 more element
Dependencies are inferred from the claim text.