Wash basin

Abstract

A wash basin includes a wash bowl portion and an outer lateral portion that is connected to an outer peripheral portion of the wash bowl portion and has a lower end portion mounted on the supporting member. On a lower surface side of the wash bowl portion, each of recessed grooves is formed in a connecting portion between an outer peripheral surface of the outer lateral portion and the wash bowl portion.

1 . A wash basin that is provided on a supporting member in a state where a peripheral edge portion of the wash basin is mounted on the supporting member, the wash basin comprising:
 a wash bowl portion; and   an outer lateral portion that is connected to an outer peripheral portion of the wash bowl portion and has a lower end portion being mounted on the supporting member,   wherein on a lower surface side of the wash bowl portion, a recessed portion is formed in at least a part of a connecting portion between an outer peripheral surface of the outer lateral portion and the wash bowl portion.   
     
     
         2 . The wash of  claim 1 ,
 wherein the recessed portion is formed in at least a boundary portion between a mounting portion provided in a water faucet attaching portion connected to the outer peripheral portion of the wash bowl portion and the wash bowl portion.   
     
     
         3 . The wash basin of  claim 1 ,
 wherein the recessed portion has curved surfaces formed in at least the wash bowl portion and a portion connected to the outer peripheral portion of the wash bowl portion.   
     
     
         4 . The wash basin of  claim 1 ,
 wherein a curvature radius of a corner portion that connects adjacent inner surfaces of the wasbowl portion to each other is set to 30 mm or larger and 35 mm or smaller.   
     
     
         5 . The wash basin of  claim 2 ,
 wherein the recessed portion has curved surfaces formed in at least the wash bowl portion and a portion connected to the outer peripheral portion of the wash bowl portion.   
     
     
         6 . The wash basin of  claim 2 ,
 wherein a curvature radius of a corner portion that connects adjacent inner surfaces of the wash bowl portion to each other is set to 30 mm or larger and 35 mm or smaller.   
     
     
         7 . The wash basin of  claim 3 ,
 wherein a curvature radius of a corner portion that connects adjacent inner surfaces of the wash bowl portion to each other is set to 30 mm or larger and 35 mm or smaller.   
     
     
         8 . The wash basin of  claim 5 ,
 wherein a curvature radius of a corner portion that connects adjacent inner surfaces of the wash bowl portion to each other is set to 30 mm or larger and 35 mm or smaller.