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    DISPOSABLE DIAPER
    1.
    发明专利
    DISPOSABLE DIAPER 未知

    公开(公告)号：CA1287199C

    公开(公告)日：1991-08-06

    申请号：CA541692

    申请日：1987-07-09

    Applicant: KAO CORP

    Inventor： TOYODA HARUMITSU ,  ITO OSAMU

    IPC: A61F13/15

    Abstract: A disposable diaper is characterized by having an elastic liquid-impermeable barrier sheet between the top sheet and the back sheet at least on the end of the diaper, said barrier sheet being fixed at one end at least onto the back sheet and at the other end located between the absorbent material and the top sheet.

    2.
    发明专利
    未知

    公开(公告)号：FR2488107B1

    公开(公告)日：1988-11-25

    申请号：FR8115353

    申请日：1981-08-07

    Applicant: KAO CORP

    Inventor： ITO OSAMU ,  YAMASAKI HARUMASA ,  NISHIZAWA KAZUNORI

    IPC: A61F13/494 ,  A61F5/44 ,  A61F13/15 ,  B32B5/08 ,  B32B5/26 ,  D02G3/02 ,  A41B13/02

    Abstract: A disposable diaper comprising a water-absorbing layer located between a liquid-permeable surface sheet and a liquid-impermeable backing sheet, wherein water-absorbing shrinkable fibers, which shrink in the direction of the fiber length and are rendered elastic on absorption of water, are fixed to and extend along the central portion in the lengthwise direction of the disposable diaper in such a manner that the water-absorbing shrinkable fibers are not placed on top of the water-absorbing layer, and wherein means is provided so that the water-absorbing shrinkable fibers become wetted when the diaper is wetted, said water-absorbing shrinkable fibers exhibiting a percent shrinkage of at least 15% and a shrinking force of at least 100 g when said fibers are wetted.

    DISPOSABLE DIAPER
    4.
    发明专利
    DISPOSABLE DIAPER 未知

    公开(公告)号：GB2149289B

    公开(公告)日：1987-04-01

    申请号：GB8427926

    申请日：1984-11-05

    Applicant: KAO CORP

    Inventor： ITO OSAMU ,  MIZUTANI HIROSHI ,  NISHIZAWA KAZUNORI

    IPC: A61F13/494 ,  A61F5/44 ,  A61F13/15 ,  A41B13/02

    Abstract: A disposable diaper comprises a liquid-permeable surface sheet, a liquid-impermeable backing sheet, and an absorbent pad sandwiched between the two sheets, characterized in that water-absorptive, shrinkable fiber strings, which contract lengthwise on contact with water and are rendered stretchable, are secured to the two sheets, extending midway longitudinally of the diaper in parallel along, but without overlapping, the both edges of the pad, the edge portions of the surface sheet outside the water-absorptive, shrinkable fiber strings and the surface sheet portion on the absorbent pad being partly bonded together at two spots about halfway of the length, the distance between the two bonded spots being at least 50 mm and the bonded spots themselves being 10 to 50 mm long each, and elastic, stretch members, at least 70 mm long each and having a combined elastic force or tensile strength (the weight equivalent to the force required to stretch the diaper including any shrank portions thereof up to the total diaper length) of 20 to 600 g, are provided midway and longitudinally of the both edge portions of the diaper at least 5 mm outside the both bonded spots.

    7.
    发明专利
    未知

    公开(公告)号：FR2505674B1

    公开(公告)日：1986-02-07

    申请号：FR8208716

    申请日：1982-05-18

    Applicant: KAO CORP

    Inventor： NISHIZAWA KAZUNORI ,  ITO OSAMU ,  MIYASHITA IWAO

    IPC: A61F13/511 ,  A61F13/15 ,  A61F13/472 ,  A61F13/49 ,  B01J20/28 ,  B32B5/26 ,  D04H1/4282 ,  D04H1/542 ,  D06M17/00 ,  A41B13/02

    Abstract: A sanitary, liquid-absorbing article has as surface material a non-woven fabric comprising two layers integrated by a binder, the first layer having a basis weight of 5 to 15 g/m2, the second layer having a basis weight of 20 to 45 g/m2, wherein when the non-woven fabric is in the wet state, E=K rho Fa; rho FO /=1.2x106 as defined in the following compression characteristic formula of the non-woven fabric: wherein E is a Young's modulus (g/cm2), P is a pressure (g/cm2), rho F is an apparent specific weight (g/cm3) and rho FO is a rho F value when the pressure is 0 g/cm2.

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