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Water bed with peripheral air tube

  • US 5,535,463 A
  • Filed: 03/01/1995
  • Issued: 07/16/1996
  • Est. Priority Date: 03/01/1995
  • Status: Expired due to Term
First Claim
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1. An improvement in structure of a water bed mattress comprising:

  • a water filled body portion having an upper portion and a lower portion;

    an air filled protection tubular member surrounding the inner perimeter of said body portion;

    a plurality of generally X-shaped partitions connected between said upper portion and said lower portion by high frequency heating;

    a plurality of first triangular water filled chambers each formed between a top of each of said generally X-shaped partitions and said upper portion and a plurality of second triangular water filled chambers each formed between a bottom of each of said generally X-shaped partitions and said lower portion, wherein said protection tubular member has a cross section of a laterally inverted English letter C, with its open mouth portion joined to the inner perimeter of said body portion.

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