Beds – Ground mat – Padded
Patent
1988-05-24
1989-08-29
Grosz, Alexander
Beds
Ground mat
Padded
5421, 5451, 1562751, 1563806, 165 46, A47C 2708
Patent
active
048603953
ABSTRACT:
A water-cooled lounging pad having circular top and bottom sheets of flexible plastic material to be lain upon by a person obtaining a suntan, a heat seal joining the top and bottom sheets at their peripheries to form a flattened circular waterproof closure capable of retaining a body of water therein, and valve means in one of the sheets formed for slectively admitting a desired quantity of water into the enclosure and for retaining the body of water in the enclosure and for discharging desired quantities of water from the enclosure, the diameter of the pad is 7 feet 6 inches and it is 10 to 15 inches high at the center. The material is white ultraviolet-stablized vinyl sheet of 20 mil thickness substantially opaque to sunlight. The method provides a circular peripheral seal from a fixed work station by supporting the vinyl sheets on a table rotatable about a central axis.
REFERENCES:
patent: D107520 (1937-12-01), Johnson
patent: D197397 (1964-01-01), Emery et al.
patent: D253983 (1980-01-01), McRight
patent: D255854 (1980-07-01), Gay
patent: D278004 (1985-03-01), Sigona
patent: 3170172 (1965-02-01), Kessman
patent: 3416169 (1968-12-01), Emery
patent: 3838470 (1974-10-01), May
patent: 4017921 (1977-04-01), Hernandez
patent: 4136412 (1979-01-01), Wilhelm
patent: 4459714 (1984-07-01), Lin
patent: 4629433 (1986-12-01), Magid
"Special Water Mattresses" an ad on p. 24 of The Jul. 4, 1983 issue of the Waterbed Magazine.
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