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Method and apparatus for manufacturing wet wipes

a technology of wet wipes and manufacturing methods, applied in the direction of carpet cleaners, paper/cardboard containers, cleaning machines, etc., can solve the problems of variable impregnation amount of predetermined chemicals, increasing the size of the apparatus, and reducing so as to increase the impregnation rate of predetermined chemicals, prevent variability of predetermined chemical impregnation amount, and reduce the easiness of taking sheets out

Inactive Publication Date: 2013-10-10
UNI CHARM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention is a method and apparatus for making wet wipes that can prevent the chemicals from being absorbed unevenly and make it difficult to take out sheets. The goal is to address these issues while still increasing the absorption rate of the chemicals.

Problems solved by technology

However, the pop-up type wet wipes described above have a problem that if an impregnation rate of a predetermined chemical to an original fabric is increased, the original fabrics are interconnected by means of a water screen of the predetermined chemical, which makes it difficult to take sheets out of the container one by one, so that the impregnation rate of the predetermined chemical to the original fabric has to be kept relatively low.
Furthermore, the method disclosed in Patent Literature 1 has a problem that the impregnation step of a predetermined chemical requires two stages to be taken before and after lamination of the original fabric, thereby increasing the size of apparatus, and since the original fabric after lamination is impregnated with the predetermined chemical, the impregnation amount of the predetermined chemical has variability between the surface part and the center part of the laminated body of sheets.
Furthermore, the method disclosed in Patent Literature 2 has a problem that the predetermined chemical is squeezed out of the original fabric because the original fabric is folded back and compressed after impregnation with the predetermined chemical, thereby leading to a possibility that a product containing a desired amount of the predetermined chemical cannot be manufactured.

Method used

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  • Method and apparatus for manufacturing wet wipes
  • Method and apparatus for manufacturing wet wipes
  • Method and apparatus for manufacturing wet wipes

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examples

[0090]A take-out test was performed by packaging the laminated body formed of seventy-two sheets in the package main body and taking sheets out one by one. The results are shown in FIGS. 7(a) to 7(c). Specifically, a manufacturing line that one set was formed by stacking four sheets was made. That is, the laminated body formed of eighteen sets was produced and sealed in the package body.

[0091]FIG. 7(a) shows the results of a take-out test performed to the laminated body to which the pressing step was not performed. FIG. 7(b) shows the results of a take-out test performed to the laminated body in which the entire surface was pressed. FIG. 7(c) shows the results of a take-out performed to the laminated body to which the pressing step was performed by the pressing device according to the embodiment. In FIGS. 7(a) to 7(c), the vertical axis shows the amount of a pulled-out portion of subsequent sheet in the event of pop-up (a phenomenon that a subsequent sheet is pulled out in associati...

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Abstract

The present invention prevents unevenness in the amount of impregnation by a predetermined chemical and prevents a decrease in ease of removal resulting from increasing the rate of impregnation by the predetermined chemical. A press device (15) has: a plurality of rollers (201, 202, 203); press belts (204a, 204b) wound around the plurality of rollers (201, 202, 203); and conveyor belts (205, 206) that convey a stacked body (800). At least one roller from among the plurality of rollers (201, 202, 203) drives the press belts (204a, 204b) at a predetermined speed of conveyance and in a predetermined direction of conveyance. The press belts (204a, 204b) are disposed with a gap in an intersecting direction (CD) perpendicular to the conveyance direction (MD) that is such that the press belts (204a, 204b) can contact both end portions (800A, 800B) of the stacked body (800) in the intersecting direction (CD).

Description

RELATED APPLICATIONS[0001]The present application is a National Phase of International Application Number PCT / JP2011 / 071227, filed Sep. 16, 2011, and claims priority from, Japanese Application Number 2010-222541, filed Sep. 30, 2010.TECHNICAL FIELD [0002]The present invention relates to a method and an apparatus for manufacturing wet wipes.BACKGROUND ART [0003]As a method for manufacturing wet wipes formed of a laminated body of sheets impregnated with a predetermined chemical, there are known methods disclosed in Patent Literatures 1 and 2.[0004]A method disclosed in Patent Literature 1 has: a step of impregnating an original fabric with part of a predetermined chemical during conveyance of the original fabric before lamination; a step of squeezing out an excess of the predetermined chemical impregnated in the original fabric during conveyance of the original fabric; a step of laminating a plurality of original fabrics during conveyance of the original fabrics; and a step of impreg...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A47L13/17
CPCB65H31/3027B65H2404/64B65H2404/264B65H2406/323B65H2701/18272B65H2701/18282B65H2701/1924B65H35/08B65H39/10B65H45/08B65H2301/5142A47L13/17B65H29/242B65H29/32B65H31/10B65H31/3054B65H2301/4213B65H2404/261
Inventor BANDO, TAKESHIMIYAKE, DAISUKEHIRAMATSU, IKUEISHIKAWA, YOSHIHIDE
Owner UNI CHARM CORP
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