| 摘要 |
PROBLEM TO BE SOLVED: To solve problems of pillows, although, as a proverb says, "keeping the head cool and feet warm", a person has a good sleep when cooling the head and warming the feet, a regular pillow is hard or soft and is filled with heat during sleep, while a water pillow has too much fluidity in the bag and no stability. SOLUTION: For improving the stability, a low-repulsion urethane resin and an air bag are inserted into the water pillow so as to provide this good sleep pillow with appropriate softness, coolness and a fitting property. COPYRIGHT: (C)2009,JPO&INPIT
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