Receptacles – Receptacle having means to facilitate maintaining contents... – For a beverage
Reexamination Certificate
2000-09-14
2001-04-10
Pollard, S M (Department: 3727)
Receptacles
Receptacle having means to facilitate maintaining contents...
For a beverage
C220S592160, C220S592280
Reexamination Certificate
active
06213336
ABSTRACT:
BACKGROUND OF INVENTION
1. Field of the Invention
The present invention is related to a temperature-storing cup/pot structure. It does not need the plug. It has no electrical wire connection problem. And, it can be used for a hot or cold drink.
2. Description of the Prior Art
As shown in
FIGS. 7 and 8
, it is a conventional detachable insulating cup. It mainly comprises a ceramic cup
91
and a ceramic seat
92
. They are detachable. When they are assembled, the electrical circuit is close (ON) to activate the heating process. Once the ceramic cup
91
is taken out, the electrical circuit is open (OFF). An electrical heater
93
is disposed on the bottom of the cup
91
. The electrical heater
93
includes an outer electrical ring
931
, an insulating seat
932
, a large outer electrical plate
933
, an inner electrical ring
934
, a small inner electrical ring
935
and an ceramic electrical resistance
936
. The outer electrical ring
931
and large outer electrical plate
933
form the first electrical route. The inner electrical ring
934
and the small inner electrical ring
935
form the second route. These two routes are connected with the ceramic electrical resistance
936
so that it will produce heat. And, the ceramic insulating seat
932
is used for separated these two routes and avoid the electrical short circuit.
Although the detachable insulating cup can keep the drink hot, it must have certain electrical wire connection to provide power. There must be some socket for plug, and the wire connection cannot be too long. In addition, it only can be used for hot drinks. It is impossible to used for a cold drink.
SUMMARY OF THE INVENTION
The first object of the present invention is to provide a temperature-storing cup/pot structure. It does not need any electrical power. It has no electrical wire connection problem. And, the present invention can be used or moved anywhere.
The second object of the present invention is to provide a temperature-storing cup/pot structure. It is suitable not only for a hot drink, but also for a cold drink.
Another object of the present invention is to provide a temperature-storing cup/pot structure. Once the cup/pot is moved out, the temperature-storing conducting element can keep the cup/pot hot or cold for a period of time.
REFERENCES:
patent: 2191434 (1940-02-01), Alder
patent: 2526165 (1950-10-01), Smith
patent: 4383422 (1983-05-01), Gordon et al.
patent: 5119800 (1992-06-01), Roberts et al.
patent: 5125391 (1992-06-01), Srivastava et al.
patent: 5611328 (1997-03-01), McDermott
Pollard S M
Pro-Techtor Inter-national Services
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