Refrigeration – Material cooling means including gas-liquid contactor – Porous cover member
Patent
1976-07-30
1977-08-02
King, Lloyd L.
Refrigeration
Material cooling means including gas-liquid contactor
Porous cover member
62457, F28D 500, F25D 308
Patent
active
040388360
ABSTRACT:
A foldable outdoor food cooler consisting of a flexible-walled container having rigid top and bottom walls. The container has a top reservoir compartment for receiving a quantity of water and has lower water-absorbing side walls below this top compartment made of burlap or the like, defining a food compartment, said food compartment being provided with spaced perforated rigid shelves. One of the lower walls includes a flap with Velcro strips on its inner margins cooperating with mating Velcro strips around the margins of an opening to provide access to the interior of the food compartment. The lower margins of the reservoir top compartment walls are stitched to the upper margins of the food compartment walls in a manner to provide controlled seepage of water from the top compartment to the food compartment walls, so as to replenish the water in the food compartment walls as evaporation thereof takes place, said evaporation providing the cooling action for the food compartment. The top and bottom walls are provided with opposing rigid flanged trays defining a compact body containing the intervening portions of the device when it is collapsed. The top tray member and wall have a removable closure cap and have suspension cables attached to a ring for suspending the device from a support. The flanged bottom tray also serves to catch excess water and to keep the bottom portion of the cooler device moist. The bottom pan is provided with a drain valve to control the amount of excess water retained in the bottom tray.
REFERENCES:
patent: 1175661 (1916-03-01), Purnelle
patent: 3279208 (1966-10-01), Butler
patent: 3347060 (1967-10-01), Barkan
patent: 3385078 (1968-05-01), Teters
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