| 摘要 |
PURPOSE:To inform an optimum temperature of bath water, by providing a reducing valve, a minute hole and a waterproof hood protecting the valve and hole to a box hermetically sealed a thermometer and providing a weight at the bottom of the box and a float on the upper part of the box and also, attaching an information device. CONSTITUTION:A reducing valve, a minute hole and a waterproof hood protecting the valve and hole are provided on the upper part of a box hermetically sealed a thermometer such as a thermister or thermostat and a weight is provided at the bottom of the box and also, a float is provided on the upper part of the box. An informing device such as buzzer etc. which is actuated through a switch at the time when a fixed temperature is attained, is attached to the upper part of the box. Hereby, an optimum temperature of bath water is informed. |
