Humidification device

  • US 5,829,452 A
  • Filed: 07/22/1997
  • Issued: 11/03/1998
  • Est. Priority Date: 07/22/1997
  • Status: Expired due to Term
First Claim
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1. A device for humidifying an enclosed volume, comprising:

  • a container having at least a portion thereof which is pervious to water vapor but not liquid; and

    a quantity of a material disposed within said container which is capable of absorbing and retaining a predetermined quantity of water, said material changing between a granular consistency when dry to a semi-gelatinous consistency when said predetermined quantity of water is absorbed therein, and which is also capable of giving up said water by way of evaporation through a wall of said container.

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