Portable warm bag having steam heating device

Details Portable warm bag having steam heating device Portable warm bag having steam heating device

2005-09-20

2005-09-20

Campbell, Thor S. (Department: 3742)

Electric resistance heating devices

Heating devices

Vaporizer

C392S403000, C219S387000, C219S401000

Reexamination Certificate

active

06947664

ABSTRACT:
A portable warm bag having steam heating device includes a rectangular bag having a pressure sensor, a pressure releasing valve, a switch bottom and a valve cover on both sides of the upper lid, a partition vertically disposed in the bag adjacent a lateral side thereof to define a gap therebetween to receive a vapor creater therein which supplies the vapor into the food containing space via a hose and through a perforated plate above the bottom of the bag, a power source compartment under the bottom of the bag containing a plurality of rechargeable batteries therein for heating a heating bar in the vapor creater to boil the water to create vapor to into the bag to establish a heating circulation into the food which is kept at constant temperature eatable to the user.

REFERENCES:
patent: 3869595 (1975-03-01), Collins et al.
patent: 5569401 (1996-10-01), Gilliland et al.

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