Wet tissue warmer and tissue lifting plate

Details Wet tissue warmer and tissue lifting plate Wet tissue warmer and tissue lifting plate

2000-09-14

2001-12-18

Walberg, Teresa (Department: 3742)

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

C219S521000, C219S533000

Reexamination Certificate

active

06331696

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a wet tissue warmer.
2. Description of the Related Art
Disposable wet tissues are used prevalently in substitution for small damp towels for wiping hands, kitchen uses, cleaning toilets, clearing up babies' and sick persons' mess and such. Containers for containing disposable wet tissues are classified roughly into bolt type (cylindrical) containers, box type (box-shaped) containers and pouch type containers.
Wet tissues are cold in a cold season and hence there is the possibility that wet tissues give babies and sick persons an unpleasant feeling when wet tissues for cleaning up babies, and sick persons' mess are used in a cold season, such as winter.
Wet tissue warmers have been used to warm wet tissues. However, wet tissue warmers consume power and take a long time to heat wet tissues at an optimum temperature, and wet tissue warmers of a large capacity are necessary to heat wet tissues quickly at an optimum temperature.
The applicant of the present application previously invented a wet tissue warmer and made an application for patent (JP-A No. Hei 8-117137). This wet tissue warmer has a wet tissue container provided with a lid, and heating device attached to the inner surface of the lid. A stack of wet tissues id pressed against the heating device to heat the upper layers of wet tissues.
FIG. 13
shows this wet tissue warmer
100
.
The wet tissue warmer
100
includes a case
103
, a lifting plate
102
placed in the case
103
, springs
101
biasing the lifting plate
102
upward, and a removable lid
104
covering an open upper end
103
a
of the case
103
. The lid
104
is provided in its central part with a tissue dispensing opening
105
covered with a small cover
106
. A heating unit
107
is formed by placing a heater
108
in a region excluding a region in which the tissue dispensing opening
105
is formed on the inner surface of the lid
104
.
As shown in
FIG. 13
, a wet tissue package A is placed on the lifting plate
102
of the wet tissue warmer
100
. The wet tissue package A is pressed against the heating unit
107
on the lid
104
for heating by the resilience of the springs
101
. When using wet tissues a, the small cover
106
is opened and the wet tissues a are taken out one by one.
The wet tissue warmer
100
is able to heat a portion of the wet tissue package A near a tissue dispensing part selectively and hence wet tissues a to be used at present can be efficiently heated.
Since the wet tissue package A contained in this wet tissue warmer
100
is pressed against the inner surface of the lid
104
, i.e., the lower surface of the heating unit
107
, a high resistance acts on the wet tissue a when the wet tissue a is taken out and hence the wet tissue a cannot be easily taken out. If the pressure applied to the wet tissue package A is reduced to enable the wet tissues a to be taken out easily, it is possible that the wet tissue a cannot be closely pressed against the inner surface of the lid
104
and cannot be satisfactorily heated.
SUMMARY OF THE INVENTION
Accordingly, it is an object of the present invention to provide a wet tissue warmer capable of solving the foregoing problems, of satisfactorily heating a wet tissue to be used at present and of facilitating taking out a wet tissue.
According to the present invention, a wet tissue warmer for warming a wet tissue package including a wet tissue includes a case having an open end, a lid removably put on the case so as to cover the open end of the case and internally provided with a heater, a lifting plate placed in the case, supporting the wet tissue package and biased upward so as to press the wet tissue package against the lid by a first spring, and movement obstructing means for obstructing upward movement of the lifting plate.
According to the present invention, the lifting plate placed so as to be movable in the case of the wet tissue warmer has a raised central part.
According to the present invention, the movement obstructing means, such as a locking means, locks the lifting late to prevent the lifting plate from biasing the wet tissue package when a wet tissue is taken out.
Accordingly, according to the present invention, the wet tissue package is pressed by a high force against the lid with the built-in heater to sufficiently heat a wet tissue when the wet tissue is not used. When the wet tissue is used, the pressing of the wet tissue package against the lid is prevented to facilitate taking out wet tissues.


REFERENCES:
patent: 3947134 (1976-03-01), Ogawa
patent: 4084080 (1978-04-01), McMahan
patent: 4694973 (1987-09-01), Rose et al.
patent: 4700048 (1987-10-01), Levy
patent: 4890205 (1989-12-01), Shaffer
patent: 4918290 (1990-04-01), DeMars
patent: 4943705 (1990-07-01), Halloran
patent: 5004894 (1991-04-01), Whitehead
patent: 5036178 (1991-07-01), Orbach
patent: 5210396 (1993-05-01), Sanders
patent: 5231266 (1993-07-01), Warren
patent: 6005227 (1999-12-01), Pappas
patent: 6046436 (2000-04-01), Hunts

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