IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0375172
(2007-08-02)
|
등록번호 |
US-8568380
(2013-10-29)
|
국제출원번호 |
PCT/CA2007/001370
(2007-08-02)
|
§371/§102 date |
20090220
(20090220)
|
국제공개번호 |
WO2008/014621
(2008-02-07)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
7 인용 특허 :
45 |
초록
▼
A two-piece diaper system having a re-usable shell and a removable and replaceable absorbent pad is provided. The re-usable diapering system consists of a non-absorbent outer liquid impervious shell, as in a standard disposable diaper but without an integral central absorbent layer which is exposed
A two-piece diaper system having a re-usable shell and a removable and replaceable absorbent pad is provided. The re-usable diapering system consists of a non-absorbent outer liquid impervious shell, as in a standard disposable diaper but without an integral central absorbent layer which is exposed to liquids in the crotch area. A separate disposable absorbent pad is provided in the central crotch area of the disposable diaper which is not sandwiched in the shell. The central area of the shell is stiffened to facilitate manufacture and handling by the user.
대표청구항
▼
1. A diapering system comprising: a) a disposable re-usable diaper shell comprising: i) a pliant non-absorbent, liquid impervious body for removable fitting to the wearer, forming an interior and an exterior surface, a front and back portion, opposed side edges and a crotch area when so fitted;ii) o
1. A diapering system comprising: a) a disposable re-usable diaper shell comprising: i) a pliant non-absorbent, liquid impervious body for removable fitting to the wearer, forming an interior and an exterior surface, a front and back portion, opposed side edges and a crotch area when so fitted;ii) opposed, non-absorbent liner portions secured along the opposed side edges of the body and forming opposed elastically contractible leg cuffs extending along either opposed side edges between the front and back portion, and opposed elastically contractible interior leg gathers spaced inwardly from said leg cuffs and extending between the front and back portion, the opposed elastically contractible leg gathers thereby defining a central channel region of said diaper shell between the opposed leg gathers extending between the front and back portion, the central channel region being without absorbent material which is exposed to contact with liquid in the crotch area and wherein the central channel region is stiffened by providing in the central channel region flexible material which is less pliant than said pliant non-absorbent, liquid impervious body to thereby stabilize said diaper shell for insertion of an absorbent insert; andb) a removable, replaceable absorbent insert comprising an absorbent pad comprising a body of absorbent material having a non-woven hydrophilic covering, said insert being sized and shaped to be retained adjacent the interior surface of the diaper shell in the central channel region. 2. The diapering system of claim 1 wherein said removable, replaceable absorbent insert comprises attached hydrophobic covers extending from opposed sides of said absorbent pad and extending over said interior leg gathers and a portion of the interior surface of said pliant non-absorbent, liquid impervious body when in operative position. 3. The diapering system of claim 2 wherein the hydrophobic covers have elongated elastic members secured thereto to form leg gathers when in operative position. 4. The diapering system of claim 1 wherein said flexible material which is less pliant than said pliant non-absorbent, liquid impervious body comprises a layer of non-absorbent plastic material secured to the non-absorbent, liquid impervious interior surface in said central channel region. 5. The diapering system of claim 4 wherein said layer of non-absorbent plastic material comprises a polyethylene foam. 6. The diapering system of claim 1 wherein said pliant, non-absorbent, liquid impervious body comprises a plastic film. 7. The diapering system of claim 6 wherein said plastic film comprises a biodegradable film. 8. The diapering system of claim 1 wherein said flexible material which is less pliant than said pliant non-absorbent, liquid impervious body comprises a layer of absorbent material covered by a waterproof layer whereby said absorbent material is not exposed to contact with liquid in the central channel region. 9. The diapering system of claim 1 wherein said flexible material which is less pliant than said pliant non-absorbent, liquid impervious body comprises a layer of non-absorbent plastic material secured to the non-absorbent, liquid impervious outer surface in said central channel region. 10. A disposable re-usable diaper shell comprising a pliant non-absorbent, liquid impervious body for removable fitting to the wearer, forming an interior and an exterior surface, a front and back portion, opposed side edges and a crotch area when so fitted, said diaper shell comprising opposed, non-absorbent liner portions secured along said opposed side edges of said body and forming opposed elastically contractible leg cuffs extending along either opposed side edges between said front and back portion, and opposed elastically contractible interior leg gathers spaced inwardly from said leg cuffs and extending between the front and back portion, said opposed elastically contractible leg gathers thereby defining a central channel region of said diaper shell between said opposed leg gathers extending between said front and back portion, the central channel region being without absorbent material which is exposed to contact with liquid in the crotch area and wherein the central channel region is stiffened by providing in the central channel region flexible material which is less pliant than said pliant non-absorbent, liquid impervious body to thereby stabilize said diaper shell for insertion of an absorbent insert, said central channel region being adapted for removably receiving an absorbent pad in said central channel region. 11. The disposable re-usable diaper shell of claim 10 wherein said flexible material which is less pliant than said pliant non-absorbent, liquid impervious body comprises a layer of non-absorbent plastic material secured to the non-absorbent, liquid impervious interior surface in said central channel region. 12. The diaper shell of claim 11 wherein said layer of non-absorbent plastic material comprises a polyethylene foam. 13. The disposable re-usable diaper shell of claim 10 wherein said pliant, non-absorbent, liquid impervious body comprises a plastic film. 14. The diaper shell of claim 13 wherein said plastic film is compostable. 15. The diaper shell of claim 13 wherein said plastic film comprises a biodegradable film. 16. The disposable re-usable diaper shell of claim 10 wherein said flexible material which is less pliant than said pliant non-absorbent, liquid impervious body comprises a layer of absorbent material covered by a waterproof layer whereby said absorbent material is not exposed to contact with liquid in the central channel region. 17. The disposable re-usable diaper shell of claim 10 wherein said flexible material which is less pliant than said pliant non-absorbent, liquid impervious body comprises a layer of non-absorbent plastic material secured to the non-absorbent, liquid impervious outer surface in said central channel region. 18. In combination in a package, the diaper shell of claim 10 and a plurality of absorbent pads adapted to be removably placed in said central channel region of said diaper shell. 19. A method of manufacturing a diaper shell without absorbent material which is exposed to contact with liquid in the crotch area thereof and adapted for removably inserting an absorbent pad, said method comprising bonding in a continuous process a sheet of non-woven hydrophobic liner material to a sheet of liquid impervious backsheet material, and cutting said bonded sheets to form a disposable diaper shell comprising a non-absorbent, liquid impervious body and a non-absorbent liner having opposed elastically contractible leg cuffs and opposed elastically contractible interior leg gathers spaced inwardly from said leg cuffs, the opposed elastically contractible leg gathers thereby defining a central channel region of said diaper shell between the opposed leg gathers, said diaper shell being without absorbent material in said central channel region which is exposed to contact with liquid in the central channel region and wherein the central channel region is stiffened by providing in the central channel region flexible material which is less pliant than said pliant non-absorbent, liquid impervious body to thereby stabilize said diaper shell for insertion of an absorbent insert in said central channel region. 20. The method of claim 19 wherein said flexible material which is less pliant than said pliant non-absorbent, liquid impervious body comprises a layer of non-absorbent plastic material secured to the non-absorbent, liquid impervious interior surface in said central channel region of said body. 21. The method of claim 19 wherein said flexible material which is less pliant than said pliant non-absorbent, liquid impervious body comprises a layer of absorbent material covered by a waterproof layer whereby said absorbent material is not exposed to contact with liquid in the central channel region. 22. The method of claim 19 wherein said flexible material which is less pliant than said pliant non-absorbent, liquid impervious body comprises a layer of non-absorbent plastic material secured to the non-absorbent, liquid impervious outer surface in said central channel region.
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