Disposable undershorts type napkin

Disposable undershorts type napkin

  • CN 1,233,457 A
  • Filed: 04/23/1999
  • Published: 11/03/1999
  • Est. Priority Date: 04/24/1998
  • Status: Abandoned Application
First Claim
Patent Images

1. disposable underpants type diaper, it is made of Breeches type outer cover component and liquid absorption liner member, wherein, the Breeches type outer cover component along its fore-and-aft direction by preceding waistline district, waistline district, back, constituted in the crotch district in two intervals, the side edge part in aforementioned front and back waist district is connected to each other and form all openings of lower limb of waistline opening and pair of right and left;

  • The liquid absorption liner member is installed on aforementioned outer cover component inboard and is that extend to aforementioned fore-and-aft direction at the center with aforementioned crotch district, it is characterized in that,Aforementioned Breeches type outer cover component has the 1st elastic component that nearby extends to the waistline direction with elongation state at aforementioned waistline opening and at the 2nd elastic component that nearby extends to the waistline direction with elongation state of top of aforementioned lower limb week opening;

    Aforementioned liquid absorption liner member has liner body and leakproof flange, and this liner is made of permeance surface layer and opaque liquid back layer and the absorbency core that is sandwiched in this two interlayer, and extends to aforesaid fore-and-aft direction;

    This leakproof flange has basicosta portion and free edge portion, and wherein, basicosta portion becomes one to the aforementioned back layer that the side extends out respectively with both side edges from aforementioned core, and along the lateral margin of aforementioned core forwards, backwards direction extend;

    This free edge portion then be parallel with aforementioned basicosta portion, can erect to the inboard lodging of aforementioned liner body, cover the part of the surface layer of aforementioned liner body;

    Aforementioned liner body, outside separately, end before and after it, among aforementioned the 1st elastic component between near the elastic component the aforementioned lower limb week opening, engaging with the inner face in the front and back waist district of aforementioned outer cover component respectively among near the elastic component aforementioned waistline opening and aforementioned the 2nd elastic component;

    Aforementioned leakproof flange, under the state of the inboard lodging of aforementioned liner body, its rear and front end portion inner face is engaged on the surface layer of aforementioned liner body;

    Near the apical margin of aforementioned free edge portion and aforementioned basicosta portion, be provided with the 3rd elastic component and the 4th elastic component that extend to aforementioned fore-and-aft direction with elongation state respectively;

    In aforementioned the 4th elastic component at least one intersects with aforementioned the 2nd elastic component in aforementioned diaper front and rear part respectively.

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