Beds – Waterbed or associated device – With heating or cooling means
Patent
1988-03-21
1989-04-18
Grosz, Alexander
Beds
Waterbed or associated device
With heating or cooling means
5449, 5450, 5455, 622593, 138103, 138108, 138172, 128372, 128400, 105 46, A47C 2104, A47C 2708
Patent
active
048213543
ABSTRACT:
A mat for cooling a person on the beach, side of a swimming pool, and even in a vehicle, is provided with recirculated ice water from an insulated reservoir using a small battery powered pump. The mat is made of sheets of urethane coated nylon or PVC film that is heat sealed on all sides, and to tubes that contain the ice water in and out. The sheets are also sealed to provide channels that hold extruded strips so formed as to assure that ice water will continue to flow through the channels even when the weight of the person would tend to close the space between the sheets.
REFERENCES:
patent: 254265 (1882-02-01), Bonz
patent: 500568 (1893-07-01), Ells
patent: 1928942 (1933-10-01), Clark et al.
patent: 2930594 (1960-03-01), Macracken
patent: 4010795 (1977-03-01), Stenberg
patent: 4114620 (1978-09-01), Moore et al.
patent: 4420016 (1983-12-01), Nichols
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