Kitchen sink
Kitchen sinks are usually provided with a well for collecting the waste water in the sink to be drained through a drain port provided therein. The drain port is usually provided with a drain valve which is mounted on a strainer placed in the well. A drain valve comprises a valve stem slidably or fixedly mounted on the strainer, and a valve body fixed at the lower end of the valve stem, the valve body having a tapered peripheral surface capable of fitting in the drain port to close the drain port when the valve body is lowered, and also capable of moving upwardly to open the drain port. Some kitchen sinks are chiefly manufactured as add-in sinks, so that they can be inserted into an appropriate opening of a work plate. These kitchen sinks can also e manufactured in the form of a complete panel which replaces the work plate. In addition to the one basin further basins, of various sizes if desired, can be installed. Usually at least one drip element is also integrated into the sink. Additional basins in kitchen sinks, in particular as residual basins which, separated from the main basin by a partition, are usually arranged between the drip surface of the drip part and the main basin. The upper edges of this residual basin lie here approximately at the level of the drip surface of the drip part, so that water running off of the drip part flows into the additional basin, in case the drip part does not have its own drain. Numerous kitchen duties are often performed near or at the kitchen sink. Some such duties, such as washing dishes, require use of the sink itself while others have no functional relation to the sink. Drainboards are normally placed on a kitchen counter to one side of a kitchen sink. Dishracks and the like are then placed on the drainboard to allow the dishes to dry after washing. In recent years it has become common practice in new construction to install with each new kitchen sink an electrically operated garbage disposer. It has become routine to install electrically operated garbage disposers in existing kitchens. Typically, the modern garbage disposer is rotatably connected to a sink mounting assembly which is, in turn, connected to a sink sleeve that extends downwardly from the bottom of the kitchen sink. Shower heads for supplying water to kitchen sinks comprise an outer enclosure shaped so as to define a tubular portion that is open at one end and is connected, at the other end, to a head-shaped portion, such enclosure contains water conveyance means adapted to prevent all contact of the water with the enclosure, and a device is also provided that is operated by the user in order to switch the path of the water from a central jet to a peripheral jet and vice versa. The kitchen sinks of some types are drawn from a single unit of stainless steel to create a sink without any unsightly welds or grind marks that are commonly found in welded sinks. They also feature sound deadening pads that virtually eliminate noise and vibration. They're undercoated to prevent condensation and retain heat.
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