CN2621643Y - Disposable absorbent article having dry superficial layer - Google Patents

Abstract

The utility model discloses a disposable absorbing substance with a dry-touch surface layer, which comprises a dry-touch surface layer, a liquid resistance bottom layer, and a middle absorption core, which is wrapped by the top player and the bottom layer. The utility model is characterized in that the dry-touch surface layer is composed of a compound of nonwoven and slotting film; an elongated incision is arranged at the middle of the nonwoven, the two sides on the transverse direction of the elongated incision are under wrinkling process or added the elastic expansion components, so as to easily stand; the slotting film is arranged under the nonwoven, and the horizontal width is larger than the incision width, the periphery of the dry-touch surface layer is conglutinated with the liquid resistance bottom layer of the absorbing substance, the dry-touch surface integrates the advantages of the skin care surface layer and the dry-touch surface layer together, thus avoids the wet adhesion feeling, and effectively prevents the liquid leaking out to all round.

Description

Disposable adsorption object with dry and comfortable top layer

Technical field

This utility model relates to the disposable adsorption object that is used to absorb slop, and 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

The purpose of this utility model, providing a kind ofly can fast Absorption have residual the time again, guarantees that skin is dry and comfortable and comfortablely not have the wet skin-material that glues sense of touch, and the disposable adsorption object with this kind skin-material.

This utility model is achieved by the following technical solution: the disclosed disposable adsorption object of this utility model relates to as absorbent items such as sanltary towel, sanitary pad, baby paper diaper, disposable diaper, incontinence pads, the main part that these absorbent items have can be divided into liquid permeability top layer, opaque liquid bottom and by the absorbent cores of top layer and bottom parcel, and three layers common constitutes absorbing articles and possess the function of use meat and potatoes.In the base, the liquid permeability top layer is meant that one deck with contact skin, the opaque liquid bottom is meant that one deck with contact with clothing, other such as the accessory on the baby paper diaper such as left and right sides waist subsides, frontal waist plaster, the flap glue that is used for fixing sanltary towel, gum, and corresponding release paper etc. be known technology in the absorbing articles field, believe the professional who is skillful in this journey be there is no need each position component and function are given unnecessary details.

The front said, was one of the most basic parts as the top layer of absorbing articles main part, and the top layer here is for other main element, rather than referred to that these top layer parts itself are made up of one deck.In use the top layer is dryer and comfortableer in order to make absorbing articles, there are some inventions that skin-material is carried out special PROCESS FOR TREATMENT (as patent 97196391, patent 96180005, patent 99226012,92208335 etc.), simultaneously, skin-material has two-layer structure (as patent 90109500 and patent 00249350) at present, also has plenty of three-decker (as patent 99814659 and patent 95196472 etc.).

In this utility model, described absorbent item top layer is a double-layer structure, and upper strata (promptly with that one deck of the contact skin) is non-weaving cloth, and lower floor's (promptly placing that one deck between non-weaving cloth and the absorbent cores) is a perforated film.It should be noted that between described perforated film and the absorbent cores to have an one functional layer, such as the transmission that aims at accelerating liquid or improve diffusion effect or have both functions concurrently and the transmission diffusion layer established, has perhaps added the antibiotic layer of antibacterials etc.Of the present utility model being characterised in that: the non-weaving cloth middle section offers a strip otch, described strip otch, its longitudinal length between the absorbing articles total length 2/5～4/5 between, its kerf width between the narrowest place of absorbing articles width 4/10～7/10 between, the narrowest place width here promptly refers to the width at non-flap place for sanltary towel, refer to the longitudinal middle part width at narrow place for similar fusiform absorbing articles such as baby paper diaper or the paper napkin, sanitary pad, incontinence articles.Described strip otch can obtain by following technology:

1) directly rotary cutter is cooperated with rotor, on non-weaving cloth, offer a strip otch by one, described rotary cutter, the circumferentially deploying figure of its blade is the same with the strip otch track of being opened;

2) by one the rotary cutter of I-shaped blade is cooperated with rotor, non-weaving cloth can cut the otch of " worker " font, and the middle part of otch form have free-ended about two fins, about two fins along both lateral sides separately upwards outwards or the downward otch with corresponding size that can obtain to turning up;

And otch of being opened and free-ended folding can make whole otch have following feature:

1. when using " mouth " font blade with the same track of strip otch, respectively stretch out to be not more than in the 7mm scope in vertical both sides of strip otch and wrinkling processing is carried out on the both lateral sides limit of otch, make the fold of the non-weaving cloth undulate of this side cut place by pair of engaged gears.

2. when using " worker " font blade and free end to make progress folded-out technology, free end make progress folded-out before, near about two free ends add elastic component greater than the position of 5mm, and this elastic component is fixed on the non-weaving cloth by spray glue with tensile state, the difference of the free-ended longitudinal length of elastic component length and non-weaving cloth is no more than 20mm, it is folded-out covering described elastic component then the free end of non-weaving cloth to be made progress, thereby forms the leakproof edge;

3. when the downward folded-out technology of the blade that uses " worker " font and free end, only hot pressing or spray glue or ultrasound wave are bonding in each free end is not more than the width range of 15mm, thereby obtain a raised profile in non-weaving cloth otch both lateral sides, and take this to prevent the liquid transverse leakage.Place the described perforated film below the non-weaving cloth, its longitudinal length compares more than the big 10mm of length of the otch of being offered, and smaller or equal to the longitudinal length of absorbing articles, the difference of the width in the transverse width of perforated film and the hole of being offered is between 5mm～30mm.The lap of perforated film and non-weaving cloth is bonded together by modes such as spray glue, ultrasound wave, hot pressing in non-fold zone.Thereby the perforated film that is arranged on below the non-weaving cloth is exposed because of perforate at the middle section of absorbing articles.

This utility model advantage is, 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: the first embodiment vertical view of the present utility model;

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

Fig. 6: this utility model second embodiment vertical view;

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

Fig. 8: the 3rd embodiment vertical view of the present utility model;

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

Figure 10: implement " worker " font otch sketch map that this utility model non-weaving cloth adopts;

Figure 11: the 4th embodiment vertical view of the present utility model;

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 auricles that extend laterally are arranged respectively; two auricles 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.

First embodiment that Fig. 4 represents is based on aforementioned common sanitary towel, therefore and guarantee 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 utility model 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 auricle (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 '.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), this utility model 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 (7)

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

(a) a liquid permeability top layer, described liquid permeability top layer is configured to and contact skin, and its peripheral profile is consistent with the profile of absorbing articles;

(b) an opaque liquid bottom is set at that side with contact with clothing, and contact surface has binding agent that fixing absorbing articles uses and the protection absorbing articles release paper that is not destroyed of viscosity before use.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 absorbing articles longitudinal middle part jointly to the auricle of horizontal extension, the release paper that applies fixing glue and be used to protect fixing glue not to be destroyed before use at its back;

Of the present utility model being characterised in that, described liquid permeability top layer is composited by non-weaving cloth and perforated film, wherein non-weaving cloth has a strip otch at middle section, 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, described strip otch, its incision length between the absorbing articles total length 2/5～4/5 between, its kerf width between the width at the non-flap of absorbing articles place 4/10～7/10 between.

3, absorbing articles as claimed in claim 1, it is characterized in that, its longitudinal length of described perforated film compares more than the big 10mm of length of the otch of being offered, and smaller or equal to the longitudinal length of absorbing articles, the difference of the width of the transverse width of perforated film and the otch of being offered is between 5mm～30mm.

4, 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.

5, absorbing articles as claimed in claim 1, it is characterized in that, described strip otch is that one " worker " notched cut is arranged on non-weaving cloth, and along this longitudinal cut about the free end of two non-weaving cloths folded-out downwards separately, thereby form projection in the both lateral sides of strip otch.

6, absorbing articles as claimed in claim 1, it is characterized in that, described strip otch is that one " worker " notched cut is arranged on non-weaving cloth, and along this longitudinal cut about the free end of the two non-weaving cloths anti-side leakage edge of folded-out formation that makes progress separately.

7, the described absorbing articles of claim 6 is characterized in that, described leakproof edge is wrapped in the elastic component that is the pretension state, and its length is the same with the longitudinal length of otch.

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