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Title:
METHOD FOR PRODUCING WATER-ABSORBENT ARTICLE
Document Type and Number:
WIPO Patent Application WO/2013/069676
Kind Code:
A1
Abstract:
A method for producing a water-absorbent article whereby highly water-absorbent polymer particles will not be unevenly distributed locally. In a step for producing a composite webbing (137), which is a continuous body of the water-absorbent article having a first section where highly water-absorbent polymer particles (4) are interposed between two overlapped sheet pieces, and a second section that surrounds the first section, the angle between a first guide roll (161) that is located on the upstream side in a machine direction (MD) from among guide rolls for allowing the composite webbing (137) to travel in the machine direction (MD) and a second guide roll (162) that is adjacent to the first guide roll (161) on the downstream side in the machine direction (MD) is varied within a range of 30-180° with respect to the orientation of the travel direction of the composite webbing (137), the orientation of the travel direction of the composite webbing (137) being directed toward the first guide roll (161).

Inventors:
TOMIOKA MASAHARU (JP)
YONEDA HIROSHI (JP)
SASAYAMA KENICHI (JP)
ICHIKAWA MAKOTO (JP)
KATSURAGAWA KUNIHIKO (JP)
Application Number:
PCT/JP2012/078825
Publication Date:
May 16, 2013
Filing Date:
November 07, 2012
Export Citation:
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Assignee:
UNICHARM CORP (JP)
International Classes:
A61F13/49; A61F13/15; A61F13/53
Foreign References:
JP2005059579A2005-03-10
JP2010063815A2010-03-25
Attorney, Agent or Firm:
SHIRAHAMA, Yoshiharu et al. (JP)
Yoshiharu Shirahama (JP)
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Claims: