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PROBLEM TO BE SOLVED: To provide an inexpensive pillow having a simple structure, having excellent air permeability when used, permitting easy adjustment of the hardness, capable of being washed if stains are noticeable, and capable of being dried after washing in a short period of time. SOLUTION: A...

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Bibliographische Detailangaben
Hauptverfasser: HITAI TAKAO, SAKAKIBARA KENICHI, OTA TANTO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an inexpensive pillow having a simple structure, having excellent air permeability when used, permitting easy adjustment of the hardness, capable of being washed if stains are noticeable, and capable of being dried after washing in a short period of time. SOLUTION: A bag body 11 made of membrane-free urethane foam having no cell membranes, having a cell number of 10-90 cells/25 mm, and a density of 15 to 100 kg/m3, is filled with chips 21 made of membrane-free urethane foam having no cell membranes, having a cell number of 4-90 cells/25 mm, a density of 15 to 100 kg/m3to achieve a desirable hardness. With this structure, the pillow 10 having high air permeability being washable, and dried after washing in a short period of time, is provided. COPYRIGHT: (C)2010,JPO&INPIT