Title:
MULTILAYER NONWOVEN FABRIC AND PROCESS FOR PRODUCING THE SAME
Document Type and Number:
WIPO Patent Application WO/2007/148533
Kind Code:
A1
Abstract:
A multilayer nonwoven fabric comprising a first fiber layer and, superimposed on
one major surface of the first fiber layer, a second fiber layer, wherein as viewed
from the other major surface of the first fiber layer, there are provided multiple
groove portions formed along a first direction with the configuration of being
depressed in the direction of the thickness of the multilayer nonwoven fabric
and multiple convex portions respectively disposed adjacent to the multiple groove
portions with the configuration of being protrudent in the direction of the thickness,
the multiple convex portions having a weight per area higher than that of region
(A) constituting the bottom part of groove portions (1), and wherein as viewed
from the thickness direction, the multiple convex portions and the region (A)
constituting the bottom part of multiple groove portions (1) consist of the first
fiber layer and the second fiber layer, and wherein the second fiber layer constituting
each of the multiple convex portions has the configuration of having the surface
of the second fiber layer close to the first fiber layer protruding on the same
side as that of protrusion of the opposite of the first fiber layer.
Inventors:
NODA, Yuki (Uni-Charm Corporation 1531-7, Wadahama, Toyohama-cho, Kanonji-sh, Kagawa 02, 7691602, JP)
野田 祐樹 (〒02 香川県観音寺市豊浜町和田浜１５３１－７ ユニ・チャーム株式会社 テクニカルセンター内 Kagawa, 7691602, JP)
ISHIKAWA, Hideyuki (Uni-Charm Corporation 1531-7, Wadahama, Toyohama-cho, Kanonji-sh, Kagawa 02, 7691602, JP)
石川 秀行 (〒02 香川県観音寺市豊浜町和田浜１５３１－７ ユニ・チャーム株式会社 テクニカルセンター内 Kagawa, 7691602, JP)
野田 祐樹 (〒02 香川県観音寺市豊浜町和田浜１５３１－７ ユニ・チャーム株式会社 テクニカルセンター内 Kagawa, 7691602, JP)
ISHIKAWA, Hideyuki (Uni-Charm Corporation 1531-7, Wadahama, Toyohama-cho, Kanonji-sh, Kagawa 02, 7691602, JP)
石川 秀行 (〒02 香川県観音寺市豊浜町和田浜１５３１－７ ユニ・チャーム株式会社 テクニカルセンター内 Kagawa, 7691602, JP)
Application Number:
JP2007/061444
Publication Date:
December 27, 2007
Filing Date:
June 06, 2007
Export Citation:
Assignee:
Uni-Charm Corporation (182 Shimobun, Kinsei-cho Shikokuchuo-sh, Ehime 11, 7990111, JP)
ユニ・チャーム株式会社 (〒11 愛媛県四国中央市金生町下分１８２番地 Ehime, 7990111, JP)
NODA, Yuki (Uni-Charm Corporation 1531-7, Wadahama, Toyohama-cho, Kanonji-sh, Kagawa 02, 7691602, JP)
野田 祐樹 (〒02 香川県観音寺市豊浜町和田浜１５３１－７ ユニ・チャーム株式会社 テクニカルセンター内 Kagawa, 7691602, JP)
ISHIKAWA, Hideyuki (Uni-Charm Corporation 1531-7, Wadahama, Toyohama-cho, Kanonji-sh, Kagawa 02, 7691602, JP)
ユニ・チャーム株式会社 (〒11 愛媛県四国中央市金生町下分１８２番地 Ehime, 7990111, JP)
NODA, Yuki (Uni-Charm Corporation 1531-7, Wadahama, Toyohama-cho, Kanonji-sh, Kagawa 02, 7691602, JP)
野田 祐樹 (〒02 香川県観音寺市豊浜町和田浜１５３１－７ ユニ・チャーム株式会社 テクニカルセンター内 Kagawa, 7691602, JP)
ISHIKAWA, Hideyuki (Uni-Charm Corporation 1531-7, Wadahama, Toyohama-cho, Kanonji-sh, Kagawa 02, 7691602, JP)
International Classes:
D04H1/72; B32B5/26; D04H1/54
Attorney, Agent or Firm:
SHOBAYASHI, Masayuki et al. (Takase Bldg, 25-8 Higashi-ikebukuro 1-chom, Toshima-ku Tokyo 13, 1700013, JP)