Waterbed mattress insulation with heat transfer holes at a great

Details Waterbed mattress insulation with heat transfer holes at a great Waterbed mattress insulation with heat transfer holes at a great

1990-06-18

1991-12-24

Nicholson, Eric K.

Beds

Waterbed or associated device

With heating or cooling means

5450, 5451, A47C 2708

Patent

active

050740016

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.

REFERENCES:
patent: 4301560 (1981-11-01), Fraige
patent: 4411033 (1983-10-01), Morgan
patent: 4475257 (1984-10-01), Phillips
patent: 4523343 (1985-06-01), Fraige
patent: 4575885 (1986-03-01), Hall
patent: 4577356 (1986-03-01), Johenning et al.
patent: 4652726 (1987-03-01), Femino et al.
patent: 4663789 (1987-05-01), Smith
patent: 4864670 (1989-09-01), Woll et al.
patent: 4961237 (1990-10-01), Santo
patent: 4975995 (1990-12-01), Luchonok

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