Method of producing cleaning member

Abstract

To provide a novel method of production and system of production which are suitable for producing a cleaning member excellent in cleaning performance and further which enable efficient production. The present invention is a method of producing a cleaning member which is obtained from a multilayer web which contains at least a fiber bundle and a belt-shaped nonwoven fabric, the method including at least a step of conveying the fiber bundle and a step of conveying the belt-shaped nonwoven fabric, the tension of the fiber bundle in the step of conveying the fiber bundle being lower than the tension of the belt-shaped nonwoven fabric in a step of conveying the belt-shaped nonwoven fabric.

1 . A method of producing a cleaning member which is obtained from a multilayer web which contains at least a fiber bundle and a belt-shaped nonwoven fabric, the method of producing the cleaning member including
 a step of conveying the fiber bundle,   a step of conveying the belt-shaped nonwoven fabric,   a step of overlaying the conveyed fiber bundle and the conveyed belt-shaped nonwoven fabric to form the multilayer web, and   a step of fastening the multilayer web,   a tension of the fiber bundle in the step of conveying the fiber bundle being lower than a tension of the belt-shaped nonwoven fabric in the step of conveying the belt-shaped nonwoven fabric, and a strength of fastening of the multilayer web being adjusted by the tension of the fiber bundle and the tension of the belt-shaped nonwoven fabric.   
     
     
         2 . The method as set forth in  claim 1 , wherein, in the step of conveying the fiber bundle, the fiber bundle is conveyed substantially straight. 
     
     
         3 . The method as set forth in  claim 1 , wherein, in the step of conveying the belt-shaped nonwoven fabric, the belt-shaped nonwoven fabric is conveyed substantially straight. 
     
     
         4 . The method as set forth in  claim 1 , wherein, in the step of conveying the fiber bundle, the fiber bundle is conveyed with the length of the fiber bundle in the width direction substantially constant. 
     
     
         5 . The method as set forth in  claim 1 , wherein, in the step of conveying the belt-shaped nonwoven fabric, the belt-shaped nonwoven fabric is conveyed with the length of the belt-shaped nonwoven fabric in the width direction substantially constant. 
     
     
         6 . The method as set forth in  claim 5 , wherein the step of fastening the multilayer web is a step of melt bonding. 
     
     
         7 . The method as set forth in  claim 1 , wherein the fiber bundle is an opened fiber bundle. 
     
     
         8 . The method as set forth in  claim 1 , wherein the method further includes a step of cutting the multilayer web in the width direction. 
     
     
         9 . A system of producing a cleaning member which is obtained from a multilayer web including a fiber bundle and a belt-shaped nonwoven fabric, the system of producing a cleaning member being a system provided with at least
 a device which conveys the fiber bundle,   a device which conveys the belt-shaped nonwoven fabric,   a device which overlays the conveyed fiber bundle and the conveyed belt-shaped nonwoven fabric to form the multilayer web, and   a device which fastens the multilayer web,   a tension of the fiber bundle at the device which conveys the fiber bundle is lower than a tension of the belt-shaped nonwoven fabric at the device which conveys the belt-shaped nonwoven fabric, and a strength of fastening of the multilayer web is adjusted by the tension of the fiber bundle and the tension of the belt-shaped nonwoven fabric.   
     
     
         10 . The system as set forth in  claim 9 , wherein the system is further provided with a device which cuts the multilayer web in the width direction.