Multi-layer container

Details Multi-layer container Multi-layer container

2000-03-01

2002-01-29

Garbe, Stephen P. (Department: 3727)

Receptacles

Sidewall structure

Transparent wall or portion

C220S062140, C220S062220, C220S602000, C264S262000

Reexamination Certificate

active

06341712

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to a container, and more particularly to a multi-layer container, which is formed of multiple layers of different colors that isolate transmission of heat.
A regular container, as shown in
FIG. 1
has a solid container wall
100
. When holding a hot liquid, heat quickly directly transmitted through the container wall
100
to the user's hand, causing the user's hand to be scalded. Further, the structure of container cannot keep a hot liquid warm for long.
FIG. 2
shows another structure of container according to the prior art. The container wall of this structure of container has two layers, namely, the inner layer
200
and the outer layer
201
. The outer layer
201
is directly bonded to the inner layer
200
. The fabrication process of this double-layer container is complicated, and its cost is high. When bearing an impact, the connection between the inner layer
200
and the outer layer
201
may be destroyed, causing a separation of the outer layer
201
from the inner layer
200
.
SUMMARY OF THE INVENTION
The present invention has been accomplished to provide a multi-layer container, which eliminates the aforesaid drawbacks. According to one aspect of the present invention, the multi-layer container comprises an outer container shell, an inner container shell mounted within the outer container shell, and a transparent intermediate bonding layer filled up the space defined between the outer container shell and the inner container shell and peripheral through holes on the inner container shell and a bottom through hole and peripheral through holes on the outer container shell. According to another aspect of the present invention, the outer container shell and the inner container shell have different colors, showing a contrast. According to another aspect of the present invention, the transparent intermediate bonding layer prevents quick dissipation of heat from the inner container shell to the outer container shell. Because molding makes the multi-layer container, the manufacturing cost of the multi-layer container can be greatly reduced through a mass production. Further, because the transparent intermediate bonding layer has a part engaged into the peripheral through holes on the inner container shell and the peripheral through holes and bottom through hole on the outer container shell, the outer container shell and the inner container shell are fixedly secured together against impact.


REFERENCES:
patent: 746645 (1903-12-01), Robin
patent: 2172864 (1939-09-01), Calva et al.
patent: 4592886 (1986-06-01), Mannherz
patent: 5275277 (1994-01-01), Gallegos
patent: 5464107 (1995-11-01), Koeinger
patent: 1140168 (1957-07-01), None
patent: 2269153 (1994-02-01), None

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