Waterbed mattress insulation with heat transfer holes at a greater density towards foot end of mattress
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United States of America Patent
Stats
-
Dec 24, 1991
Grant Date -
N/A
app pub date -
Jun 18, 1990
filing date -
Jun 18, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved waterbed mattress includes a bladder having a layer of insulation material extending substantially from end to end and side to side therein, which insulation material has a plurality of generally upright holes opening through the top and bottom surfaces thereof for improved heat transfer from the warmed body of water below the insulation material to the top surface of the bladder 12. The holes are preferably arranged in a pattern having a greater density of holes toward the foot end of the mattress and a decreased density of holes toward the head end of the mattress.
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Family
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Cited Art Landscape
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