US 12,152,381 B2
Toilet with vitreous china flush engine and polymeric outer structure
Mark W. Schibur, Sheboygan, WI (US); Clayton C. Garrels, Kohler, WI (US); and Jeremiah J. Rauwerdink, Sheboygan, WI (US)
Assigned to Kohler Co., Kohler, WI (US)
Filed by Kohler Co., Kohler, WI (US)
Filed on May 24, 2021, as Appl. No. 17/328,780.
Application 17/328,780 is a continuation of application No. 15/985,597, filed on May 21, 2018, granted, now 11,047,122.
Claims priority of provisional application 62/509,588, filed on May 22, 2017.
Prior Publication US 2021/0277644 A1, Sep. 9, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. E03D 11/02 (2006.01); B28B 1/16 (2006.01); B28B 1/26 (2006.01); B32B 5/18 (2006.01); B32B 27/08 (2006.01); E03D 5/012 (2006.01); E03D 5/10 (2006.01); E03D 11/18 (2006.01)
CPC E03D 11/02 (2013.01) [B28B 1/16 (2013.01); B28B 1/261 (2013.01); B32B 5/18 (2013.01); B32B 27/08 (2013.01); E03D 5/012 (2013.01); E03D 5/10 (2013.01); E03D 11/18 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A toilet assembly comprising:
a flush engine formed from vitreous china, the flush engine comprising:
a bowl;
a rim at an upper portion of the bowl;
a sump at a lower portion of the bowl; and
a trapway extending from the sump; and
a shell configured to conceal at least an upper surface of the flush engine, the shell comprising:
a first polymeric layer disposed directly on at least the upper surface of the flush engine, wherein the first polymeric layer comprises a foam and the foam is configured to seal a supply line to the rim, wherein the supply line is coupled to the flush engine and secured in place by the first polymeric layer, wherein the flush engine, the supply line, and the first polymeric layer comprise a subassembly; and
a second polymeric layer disposed on the subassembly, the second polymeric layer comprising resin.