Stacked body of wet sheets

Details Stacked body of wet sheets Stacked body of wet sheets

1999-09-14

2001-10-09

Ellis, Christopher P. (Department: 3651)

Article dispensing

Concurrent separation and distortion of flexible article

C221S033000, C221S038000, C221S045000, C221S048000, C206S207000

Reexamination Certificate

active

06299016

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a stacked body of folded wet sheets to be housed in a container or package.
BACKGROUND OF THE INVENTION
In general, wet sheets, such as wet tissues, wet towels or the like, are sealed and housed in a container or package so as to keep their wet state before use or when unused. These wet sheets are folded and stacked, such that they have overlapping portions between the upper and lower wet sheets, so that they are consecutively and sequentially pulled out of an outlet provided in the container or package. When the upper wet sheet confronting the outlet is pulled out, an upper folded portion of the next succeeding lower wet sheet is protruded from the outlet.
Here, because the wet sheets are combined while being impregnated with liquid, the sheets are in face-to-face contact with each other while having the liquid intervened therebetween, so that the surface tension by the liquid between the sheets exhibits a high adhesion (or engaging force). Therefore, when the upper wet sheet is pulled out, although only the upper folded portion of the next succeeding wet sheet is expected to protrude, such a problem may arise that the not only the upper folded portion but also the remaining portion of the next succeeding wet sheet is adhered to the upper wet sheet and pulled out of the outlet together with the upper wet sheet. As a result, the length of the protrusion of the next succeeding wet sheet becomes excessive.
If the protrusion of the wet sheet is too large, it can not be confined within the area of a cover which is usually provided with the container or package to cover the outlet. As a result, the protrusion partially extends out of the cover. Then, the wet sheet dries up at this portion extending out of the cover. Moreover, when the protrusion partially extends out of the cover, it is difficult to close the cover reliably. This lowers the sealability of the container or package, so that the overall wet sheet stacked body is liable to dry up.
SUMMARY OF THE INVENTION
The invention has been conceived to solve the above-mentioned problems of the prior art and has an object to provide a wet sheet stacked body in which when an upper wet sheet is pulled out, the length of the protrusion of a next succeeding lower wet sheet is reliably adjusted.
The present invention provides a wet sheet stacked body to be housed in one of a container and package, comprising a plurality of folded wet sheets, wherein the folded wet sheets are consecutively combined such that a lower fold of an upper folded wet sheet is sandwiched by an upper fold of a succeeding lower wet sheet, wherein a gap is formed between a folding line forming the lower fold of the upper wet sheet and a folding line forming the upper fold of the lower wet sheet.
Preferably, the gap is about 3 to 8 mm.


REFERENCES:
patent: 1430709 (1922-10-01), Wheeler
patent: 2772021 (1956-11-01), Kettles
patent: 3207360 (1965-09-01), Scott
patent: 3679095 (1972-07-01), Nissen et al.
patent: 4138034 (1979-02-01), McCarthy
patent: 4638921 (1987-01-01), Sigl et al.
patent: 5992682 (1999-11-01), Loppnow et al.
patent: 6109430 (2000-08-01), Bando et al.
patent: 0879 575A1 (1998-11-01), None
patent: 0983 739A2 (2000-03-01), None

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