CN1182821C

CN1182821C - Disposable absorbent products with dry surface

Info

Publication number: CN1182821C
Application number: CNB031012272A
Authority: CN
Inventors: 杨增扬; 赖开慧
Original assignee: Heng'an (jinjiang) Women Products Co Ltd; Hengan Fujian Holding Group Co Ltd
Current assignee: Fujian Hengan Hygiene Material Co ltd; Hengan Fujian Holding Group Co Ltd; Hengan China Hygiene Products Co Ltd
Priority date: 2003-01-02
Filing date: 2003-01-02
Publication date: 2005-01-05
Anticipated expiration: 2023-01-02
Also published as: CN1444916A

Abstract

The present invention discloses a disposable absorbent article with a dry surface layer. The absorbent article is composed of a dry surface layer, an impervious bottom layer and a middle absorbent core coated by the surface layer and the bottom layer. The absorbent article is characterized in that the dry surface layer is compounded by a non-woven cloth and a perforated film, wherein the center of the non-woven cloth is provided with a strip-shaped incision. Both sides of the strip-shaped incision along the transverse direction are wrinkled or are added with elastic telescopic members to make the strip-shaped incision easily stand. The perforated film is arranged below the non-woven cloth; the transverse width of the perforated film is greater than the width of the incision. The periphery of the dry surface layer is stuck with the impervious bottom layer of the absorbent article; the dry surface layer integrates the excellent characteristics of a skin contact surface layer and the dry surface layer, avoids wet sticky sensation in use, and effectively prevents liquid from leaking towards the periphery.

Description

Disposable adsorption object with dry and comfortable top layer

Technical field

The present invention relates to be used to absorb the disposable adsorption object of slop, as sanltary towel, baby paper diaper, incontinence pad especially have good skin-friendly and can prevent the absorbing articles on the dry and comfortable top layer of reverse osmosis effectively.

Background technology

Disposable adsorption object is well-known such as sanltary towel, baby paper diaper, though absorbing articles has possessed desired absorbent properties such as absorbtivity, infiltration rate, people also solve the deficiency that exists in the use striving to find certain methods, such as causing reverse osmosis under pressure after the menses absorption, perhaps, perhaps contact the wet sticking sense that causes with human body skin at the remained on surface of absorbing articles.

In the patent No. is in 92114630 documents, a kind of skin comfort of having improved of having is disclosed, and have the top flat of good FLUID TRANSPORTATION characteristic and have the absorbing articles of this improvement top flat, this invention is passed through in conjunction with perforated film and non-weaving cloth characteristics separately, non-weaving cloth is made an addition to the top flat that perforated film end face both sides constitute absorbing articles jointly, thereby obtain the good sense of touch of absorbing articles and skin, and keep low reverse osmosis and the fast Absorption performance that perforated film has at the top layer middle section of receiving article, but should improve thorough not enough, vertical two ends at absorbing articles, its top flat middle part is still perforated film, especially after absorbent device has absorbed Excreta for the first time, the caused negative effect of perforated film promptly exists, and this invention does not relate to the parts of preventing drain process at top flat.

In the patent No. is in 00103691 document, a kind of absorber of tool full insulation device is disclosed, claims from this invention, this invention is intended to the skin-material of absorbing articles is handled, promptly on the top flat zone line, offer the strip otch of an area less than this absorbent cores, and form a leakproof edge around this otch, this leakproof edge is wrapped in elastic component.Therefore the inventive concept of this invention is comprehensive leakproof, rather than the discomfort of in use being brought at the absorbing articles top flat and the improvement carried out, and this product is in the wearing process, since leakproof edge material be top sheet materials by the centre to around turn up and constitute, add the contraction of elastic component, caused stress will cause the surface wrinkling of absorbing articles.

Also have some inventions by a compound punching thin film and punching (as patent 97116227) in the centre of top sheet materials, perhaps non-weaving cloth, punch after perforated film is compound (as patent 00208691), also have plenty of perforated film is carried out corona or surface-active-treatment is improved skin feel (as patent 01145659,96197770), some other relevant invention can retrieve from the document that China Intellectual Property Office announces: 00120177,01117349,98244553,00137652,98106933,98803804,01216162,94195020,00106982,92208335,90109500,99810106,00263450,96198375,92103081 etc.

Summary of the invention

Technical problem to be solved by this invention provides a kind ofly can fast Absorption not to be had residual the time again, guarantee that skin is dry and comfortable comfortablely not have the wet skin-material that glues sense of touch, and the disposable adsorption object with this kind skin-material.

The present invention is achieved through the following technical solutions: a kind of disposable adsorption object, be a strip, have alongst vertically and along width laterally, it comprises:

(a) a liquid permeability top layer, described liquid permeability top layer are to be composited and to be configured to and contact skin by non-weaving cloth and perforated film, and its peripheral profile is consistent with the profile of absorbing articles;

(b) an opaque liquid bottom, be set at that side with contact with clothing, has binding agent that fixing absorbing articles uses and the protection absorbing articles release paper that is not destroyed of viscosity before use with the surface of contact with clothing, the opaque liquid bottom has the same profile with the liquid permeability top layer, and is bonded together in the periphery of absorbing articles;

(c) absorbent cores, described absorbent cores is wrapped between top layer and the bottom, is used to absorb the Excreta of preserving human body;

(d) flap, by liquid permeability top layer and opaque liquid bottom at the longitudinal middle part of absorbing articles jointly to laterally extending to form the release paper that applies fixing glue and be used to protect fixing glue not to be destroyed before use at the flap back;

Non-weaving cloth on the described liquid permeability top layer is offered a strip otch at middle section, and the longitudinal length of described strip otch is less than the longitudinal length of absorbing articles, the transverse width of strip otch is less than the transverse width of absorbing articles, thus make the perforated film that is arranged on below the non-weaving cloth at the middle section of absorbing articles owing to opening otch exposes.

The invention has the advantages that, at first, can fast and effeciently absorb and prevent effectively reverse osmosis based on perforated film, top flat middle part at this absorbing articles mainly is that drain site is kept, simultaneously in conjunction with non-weaving cloth distinctive cloth matter sense of touch and dry and comfortable effect, avoid that the sort of sticking wet sense produces in the use, and the wrinkling processing of non-weaving cloth otch both lateral sides or projection can effectively prevent Excreta to around leak, use safer.

Description of drawings:

More preferred embodiment specify the disposable adsorption object that this kind has dry and comfortable top layer below in conjunction with accompanying drawing

Fig. 1: the vertical view of common disposable sanitary napkin;

The A-A cutaway view of Fig. 2: Fig. 1;

Fig. 3: the schematic rear view of common disposable sanitary napkin;

Fig. 4: first embodiment of the present invention vertical view;

The B-B cutaway view of Fig. 5: Fig. 4;

Fig. 6: second embodiment of the present invention vertical view;

The C-C cutaway view of Fig. 7: Fig. 6;

Fig. 8: third embodiment of the present invention vertical view;

The D-D cutaway view of Fig. 9: Fig. 8;

Figure 10: implement " worker " font otch sketch map that non-weaving cloth of the present invention adopts;

Figure 11: fourth embodiment of the present invention vertical view;

The E-E cutaway view of Figure 12: Figure 11;

In above-mentioned figure: 1. paste rubberizing 9. absorbent cores 11. lower floor's toilet papers 12. PURs 13. upper strata toilet papers 14. PURs 15. perforated films 16. PURs 17. elastic components 18. hot pressing stricture of vaginas in the release paper 8. in the liquid permeability top layer 2. PURs 3. opaque liquid bottoms 4. PURs 5. flap release paper 6. flap glue 7..A, a ', b, b ' are four angles of otch, and c, c ', d, d ' are four angles of two free margins of " worker " font otch.

Fig. 1, Fig. 2, Fig. 3 represent a common sanitary towel prerequisite basic structure different views but be not limited to this, be liquid permeability top layer 1, opaque liquid bottom 3 and be wrapped in absorbent cores 9 between 1,3, and 1,3 stretch out around absorbent cores 9 and bonding or be pressed into one 18.In order to prevent that sanitary towel in use is shifted and pollutes the crotch portion of underwear; sanitary towel has applied fixing glue 8 in opaque liquid bottom 3 and contact with clothing side; in sanitary towel's lateral middle two flaps that extend laterally are arranged respectively; two flaps and contact with clothing side have also applied fixing glue 6, and two kinds of fixing glue are all used release paper 5, release paper 7 protections (with reference to figure 3) before use.

Therefore first embodiment that Fig. 4 represents is based on aforementioned common sanitary towel, and guarantees the integrity of present embodiment scheme and unlikely repeated description, but other part except that the liquid permeability top layer can not limit structure of the present invention and scope according to Fig. 1, Fig. 2, Fig. 3.In the present embodiment, the absorbent cores outside is at first wrapped up by upper strata toilet paper 13, lower floor's toilet paper 11, and two-layer toilet paper is bonded in absorbent cores 9 by PUR 12,14.The top layer of present embodiment is a two layers of material, and promptly non-weaving cloth 1 and perforated film 15 cover opaque liquid bottom 3 around the non-weaving cloth fully, comprise the flap (with reference to figure 5) of the left and right sides.Non-weaving cloth 1 is being that package with a circle hangs on the mandrel on the production line, and when production line during with certain speed operation, raw-material uncoiling mechanism comprises that non-weaving cloth 1 guarantees that by PLC system, servo motor each raw material feed is synchronous.After non-weaving cloth 1 uncoiling with perforated film 15 compound before, by a rotary cutter on non-weaving cloth 1, offer with a, a ', b, b ' be four angles otch (for sake of convenience, four angles of otch are with a, a ', b, b ' expression, and please refer to Fig. 4), this rotary cutter circumferentially deploying figure, otch a, a ', b, the b ' of its blade track and non-weaving cloth coincide.Perforated film 15 length below the non-weaving cloth are the same with the longitudinal length L1 of sanitary towel, but width is than the big 14mm of otch (with reference to figure 4), perforated film below the non-weaving cloth 1 15 exposes because of otch a, a ', b, b ' like this, in use be able to contact with the Excretory organ of human body, like this, drain site at human body, the good characteristic of perforated film is brought into play, in non-drain site, because non-weaving cloth covers, at utmost avoid the wet sticking sense that perforated film had, kept the dry and comfortable comfortable of skin.

Second embodiment and the first embodiment difference are that the incision process of non-weaving cloth 1 is different, in a second embodiment, cutting knife circumferentially deploying track is " worker " font or analogous shape, " worker " font (with reference to Figure 10) that the non-weaving cloth otch of gained is promptly corresponding, non-weaving cloth has two fixed edge a, a ' and b, b ' later on through this cutting knife like this, two free margins c, c ' and d, d '., through before or after the cutting knife elastic component 17 is applied on the non-weaving cloth with certain pretightning force at non-weaving cloth, its point of addition requires above-mentioned two free margins c, c ' and d, d ' separately upwards to d '.Before or after non-weaving cloth process cutting knife, elastic component 17 is applied on the non-weaving cloth with certain pretightning force, and its point of addition requires above-mentioned two free margins c, c ' and d, d ' upwards can cover the length that elastic component 17 and its length are not more than described free margins separately when turning up.Improvement by described technology, because the elastic shrinkage of elastic component, in use song makes near the zone of these two free margins have the trend that upwards erects because two ends make progress in sanitary towel, and this also to be the present invention improve another purpose that technology is pursued, promptly prevent side leakage.

The 3rd embodiment and second embodiment are similar, all be to adopt " worker " font otch, two free margins c that different is among the 3rd embodiment, c ' and d, d ' is not upwards folded-out, but it is folded-out downwards, and only at free margins c, c ' and d, d ' in stiff end extends the width range of 14mm with bonding 18 (with reference to the figure 9) of the non-free part of non-weaving cloth, main, in downward folded-out process, in the process by the outside bending of free margins, fixed edge a, a ' and b, b ' is not what tighten, that is to say, littler to the distance of sanitary towel's cross central line from the vertical dimension of a to c than a, like this, two limit a at otch, a ' and b, be not smooth near the b ', but two epireliefs be with arcual a kind of structure (referring to Fig. 9), the present invention is taken this to guarantee wearing comfortableness and is taken into account anti-side leakage as far as possible.

The 4th embodiment is the sanitary pad, is particularly useful for non-menstrual period but the more women of secretions.This example adopts " mouth " font otch that is similar to first embodiment, the longitudinal length L3 of the perforated film 15 of different is present embodiment and sanitary pad's length L 2 are different, reduce material so on the one hand to save cost, meet the protective pad actual needs on the other hand again.

Claims

1, a kind of disposable adsorption object is a strip, have alongst vertically and along width laterally, it comprises:

It is characterized in that, non-weaving cloth on the described liquid permeability top layer is offered a strip otch at middle section, and the longitudinal length of described strip otch is less than the longitudinal length of absorbing articles, the transverse width of strip otch is less than the transverse width of absorbing articles, thus make the perforated film that is arranged on below the non-weaving cloth at the middle section of absorbing articles owing to opening otch exposes.

2, absorbing articles as claimed in claim 1 is characterized in that, the both lateral sides of described strip otch respectively stretches out and is not more than the fold of the non-weaving cloth undulate in the 7mm scope.