发明授权
US08784110B2 Urine stream target device, toilet training method, and method of manufacture 失效
尿液目标装置,厕所训练方法和制造方法

Urine stream target device, toilet training method, and method of manufacture
摘要:
A multilayer urine stream target device usable as a toilet training aid includes an upper layer of a first relatively absorbent material, a lower layer of a second relatively non-absorbent material adhesively attached to the upper layer. The upper or first layer of material comprises an alkaline environment and a pH indicator. The pH indicator provides the upper or first layer with first coloration. The upper layer is floatable upon a water surface as typified within a toilet bowl by way of the relatively non-absorbent lower or second layer of material. When a urine stream makes contact with the upper or first layer, the pH-indicator causes a color change in the first material, which color change is believed to promote the targeting of the target device by a urine stream provider.
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