The specific embodiment
See also Fig. 1, disposable absorbent article 100 of the present invention, it comprises the top flat 10 of liquid permeable, the egative film 30 of impermeable liquid is arranged on the absorber 20 that absorbs liquid between top flat 10 and the egative film 30.See also Fig. 2, the crotch portion 130 that this disposable absorbent article 100 is formed with a front waist 110, a back lumbar part 120 and connects front waist 110 and back lumbar part 120.When absorbent article is worn on wearer; Said front waist 110 and back lumbar part 120 are close to wearer's Attacking Midfielder and low back; And front waist 110; Back lumbar part 120 can constitute two and eats dishes without rice or wine with crotch portion 130 together jointly, supplies the user both legs to pass, and makes said crotch portion 130 between wearer's two lower limbs.For improving the absorption function at crotch portion 130 places, these crotch portion 130 places also can be provided with diffusion layer, water conservancy diversion layer etc.
Be respectively arranged with along the outward extending elastic component 40 of length direction of vertical disposable absorbent article 100 in the both sides of front waist 110 or the both sides of back lumbar part 120.In the present embodiment, elastic component 40 is arranged on the both sides of back lumbar part 120.The outward extending direction of length direction along vertical disposable absorbent article 100 is installed with at least two fasteners 50 successively on each elastic component 40.Annotate: outward extending direction refers to the direction away from disposable absorbent article 100 in the present patent application.
The mode that this fastener 50 is fixedly arranged on the elastic component 40 can be combinations known in the art such as glue bond, hot press, ultrasound wave combination, or elastic component 40 is connected with a base material (figure does not show), and this fastener 50 is installed on the base material.This fastener 50 can be conventional fastener such as gluing component, VELCRO, hooked projection part.On front waist 110, also be provided with the connector 60 that is complementary with fastener 50, fastener 50 and connector 60 driving fits being fixedly connected with realization front waist 110 and back lumbar part 120.So; Even have a fastener 50 and connector 60 to be drawn back, also have other fastener 50 and connector 60 driving fits, do not worry that this disposable absorbent article 100 can come off moment; Make dirty baby's skin or article such as bedding, sheet let user use and more feel at ease.
Be appreciated that; Connector 60 can be one, is positioned in the middle of the front waist 110, and 50 cooperations of at least four fasteners or the connector 60 with back lumbar part 120 is a plurality of simultaneously; Lay respectively at the both sides of front waist 110, each connector 60 matches with a fastener 50 of back lumbar part 120 respectively.
Understandable, when fastener 50 is arranged on the elastic component 40 of back lumbar part 120 and during for the hooked projection part, said front waist 110 needs the corresponding connector 60 that is complementary with the hooked projection part that is provided with to be shackle.Be arranged on the elastic component 40 of back lumbar part 120 when fastener 50 and be VELCRO, said front waist 110 needs the corresponding connector 60 that is complementary with VELCRO that is provided with to be VELCRO hook face or hair side.
Be appreciated that fastener 50 also can be arranged on the elastic component 40 of front waist 110, then the connector 60 of its corresponding coupling is arranged on back lumbar part 120 to realize connection.
Understandable, when said fastener 50 is gluing component, can on fastener 50, paste one and remove layer easily, like film or paper that can be release, adhere to equipment or foreign body to prevent this fastener 50.
Preferably; The direction that the length direction of the vertical disposable absorbent article 100 in edge extends outside disposable absorbent article 100; The bed knife that produces during connector 60 driving fits that each fastener 50 of this at least two fastener 50 is complementary with it is for increase successively; Promptly along the length direction of vertical disposable absorbent article 100; The bed knife during with connector 60 driving fits is minimum near the fastener 50 of disposable absorbent article 100, and minimum bed knife can guarantee that still disposable absorbent article 100 can not come off.60 fixed dynamic shearing power of each fastener 50 of this at least two fastener 50 and its connector that is complementary are more than or equal to 22N, and 90 degree peeling forces are 1-8N.The variation of bed knife gradual change type; Not only can not let user when wearing, feel under the weather; And because of outermost end; The bed knife that is 60 of the fastener 50 run into the most easily of baby and its connectors that is complementary is maximum, reduces the baby and is playing the probability that the connector 60 that when making a noise fastener 50 is complementary with it draws back.
This fastener 50 is three and three when above, and the distance that adjacent two fasteners are 50 can be and equates or unequal.When the distance of 50 of adjacent two fasteners for equating; Can come the bed knife of 60 generations of connector that adjusting button fitting 50 and its be complementary through the deformability of regulating elastic component 40; Preferred elastomeric part 40 is along the outward extending direction of length direction of vertical disposable absorbent article 100, and its elastic deformation ability reduces gradually.When the distance of 50 of adjacent two fasteners is unequal, the distance that preferred adjacent two fasteners are 50 reduces along elastic component 40 outward extending directions gradually.
Said at least two fasteners 50 can be identical, also can be inequality.Because around the more frequent waist of activity, this at least two fastener 50 preferably makes and is glued part, VELCRO, because of user when movable, the hooked projection part breaks off relations more easily and loses fixation.
In order to increase the adhesion of 40 of fastener 50 and elastic components, can suitably increase fastener 50 and be fixedly arranged on the bonded area on the elastic component 40, bonded area is preferably 5-10cm
2, 7.5cm more preferably
2
This elastic component 40 can be made up of the elastomeric material material of knowing in this area, and non-woven fabrics, thin paper, plastic film of elastic etc. are arranged like elastica, elastic non-woven cloth or set inside.
This elastic component 40 has edge all round, is specially the proximal edge 41 that is positioned on front waist 110 or the back lumbar part 120, the distal edge 42 relative with proximal edge and is connected proximal edge 41 and first adjoining edge 43 of distal edge 42 and second adjoining edge 44.
This elastic component 40 can be trapezoidal, rectangle, and promptly the edge is linear type all round, and proximal edge 41 is parallel with distal edge 42, and first adjoining edge 43 can be parallel or not parallel with second adjoining edge 44, and proximal edge 41 is equal to or greater than distal edge 42.
Red seal occurs or rein in trace in crotch when wearing in order to reduce user; Improve the stickiness of absorbent product and user shank; Preferred first adjoining edge 43 and second adjoining edge 44 are not parallel, and constitute by at least one camber line, or are connected and composed by at least one straight line and at least one camber line; And straight line is that radian is connected with camber line.
Said proximal edge 41 also can be nonlinear type with distal edge 42, constitutes by at least one camber line.
The front waist 110 and the back lumbar part 120 of said disposable absorbent article 100 can be processed by elastomeric material or non-elastic material, and when being elastomeric material, said elastic component 40 can be formed by direct extension of the elastomeric material of front waist 110 or back lumbar part 120; When it is non-elastic material, after can cutting separately, elastic component 40 is bonded in one with front waist 110 or back lumbar part 120 again.
Front waist 110 only is made up of top flat 10 and 30 on egative film with back lumbar part 120 usually, and this moment, whole front waist 110 and back lumbar part 120 all can be made by elastomeric material; But for the absorbent properties that increase product and prevent side leakage, absorber 20 also can extend a part to front waist 110 and/or back lumbar part 120 by crotch portion 130, this moment front waist 110 with back lumbar part 120 in have only the part that does not contain absorber 20 can be elastomeric material.The elastomeric material of preparation front waist 110 and/or back lumbar part 120 can be the material that elastic, elastic plastic film, elastic non-woven cloth, elastic sponge body etc. are had an elastic telescopic ability and places between top flat 10 and the egative film 30; Maybe will be arranged on the top flat 10 skin friction less elastomeric material such as elastomeric nonwoven; Through gluing mode elastomeric material and top flat 10 and egative film 30 or elastomeric material and top flat 10 are carried out bondingly again, finally constitute front waist 110 and back lumbar part 120 needed elastomeric materials.
Disposable absorbent article 100 of the present invention is respectively provided to few two fasteners 50 on two elastic components 40 of front waist 110 or back lumbar part 120, in order to back lumbar part 120 or front waist 110 on connector 60 match and realize being fixedly connected of front waist 110 and back lumbar part 120.In addition; The bed knife that produces during 60 driving fits of each fastener 50 of this at least two fastener 50 and its connector that is complementary is different; This has not only strengthened the driving fit performance, can prevent that also baby from use drawing back fastener 50, influences the serviceability of disposable absorbent article 100.
In addition, those skilled in the art also can make various modifications, interpolation and the replacement on other form and the details in claim of the present invention scope of disclosure and spirit.Certainly, these all should be included within the present invention's scope required for protection according to the variations such as various modifications, interpolation and replacement that the present invention's spirit is made.