| 摘要 |
A series of pillows having about the same weight are formed with different heights by employing casings having a gusset between the top and bottom panels. Relatively narrow gussets produce casings having relatively small volumes, and relatively large gussets produce casings having relatively large volumes. For a given weight of fill material, the smaller the volume of the casing the higher the crown will be and the higher the overall height of the pillow will be. Pillows in the series having the greatest height can be formed with no gusset at all.
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