CN100457068C - Absorbent article and method of manufacturing the same - Google Patents
Absorbent article and method of manufacturing the same Download PDFInfo
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- CN100457068C CN100457068C CNB2004800353205A CN200480035320A CN100457068C CN 100457068 C CN100457068 C CN 100457068C CN B2004800353205 A CNB2004800353205 A CN B2004800353205A CN 200480035320 A CN200480035320 A CN 200480035320A CN 100457068 C CN100457068 C CN 100457068C
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- layer side
- absorber
- thin slice
- upper layer
- paper pulp
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/539—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterised by the connection of the absorbent layers with each other or with the outer layers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15617—Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
Abstract
The aim of the invention is to eliminate the loss of materials and the adverse effect of a facility by eliminating crepe paper surrounding fibrillated pulps to securely retaining the shape of the fibrillated pulps in a production step while reducing material cost and rapidly absorbing body fluid. The adsorbent article (1) is formed such that an absorbent (4) is installed between a liquid permeable front surface sheet (3) and a rear surface sheet (2) and a hydrophilic fiber sheet (7) is disposed between the liquid permeable front surface sheet (3) and the adsorbent (4). The adsorbent (4) comprises a lower layer side adsorbent (5) formed of an adsorbent sheet and an upper layer side adsorbent (6) formed mainly of the fibrillated pulps stacked on the generally upper center part of the lower layer side adsorbent (5). The upper layer side absorbent (6) is formed to be held, without being surrounded by the crepe paper, by thermal embosses (8), (8),... added to the outside adjacent positions of the upper layer side adsorbent (6) in a three layer state where the upper layer side adsorbent (6) is installed between the hydrophilic fiber sheet (7) and the lower layer side adsorbent (5).
Description
Technical field
The present invention relates to be mainly used in the absorbent commodity of sanitary napkin, leucorrhea protective pad, incontinence pad, medical liner, cosmetic product etc., in detail, relate to the crepe paper that can save around absorber, simultaneously, can reliably keep separating the shape of fiber paper pulp and absorbent commodity and the manufacture method thereof that can make by manufacturing process still less.
Background technology
As everyone knows, in the past, absorbent commodities such as sanitary pad, sanitary napkin, incontinence pad all were to sandwich the absorber that is made of cotton official form for filing a lawsuit slurry etc. to make between opaque liquid inner face thin slices such as polyethylene sheets or the stacked non-woven fabrics of polyethylene sheets and liquid permeability surface sheets such as non-woven fabrics or liquid permeability plastic tab.
In addition, in above-mentioned absorbent commodity, as shown in Figure 6, in order to satisfy the dry and comfortable sensation of skin, accelerate body fluid absorption speed simultaneously, the article that provide use porous plastic thin slice 51 (below, be called the mesh thin slice) as above-mentioned liquid permeability surface sheets mostly, between above-mentioned liquid permeability surface sheets 51 and absorber 53, sandwich the hydrophilic fibre thin slice 52 (for example, referring to following patent documentation 1～3 etc.) that is called second thin slice.
On the other hand, this absorbent commodity is also constantly being improved,, using various means in order to prevent leakage of body fluid.Prevent a kind of means in the leakage of body fluid means as these, the known absorption article, the substantial middle of absorber zone form to face side thicken in high portion, to improve conformability to row's blood portion, simultaneously, the outer fix of high portion periphery is carried out linear embossing processing in above-mentioned, so as to keep above-mentioned in the shape (referring to following patent documentation 4～6 etc.) of high portion.
In above-mentioned various absorbent commodities, utilize paper pulp broken separate fiber paper pulp as absorber the time, in order to prevent to come off or paper pulp fiber changes sticking and causes harmful effect on waiting equipment, need utilize crepe paper to center on after collecting fibre at the fine paper pulp of collection on the production line at once.In this case, for separating for the fiber paper pulp absorber of high portion in having, shown in Fig. 7 (A), general exist utilize crepe paper 56 will constitute common absorber separate fiber paper pulp layer 54 in formation high portion absorber separate the form that fiber paper pulp layer 55 centers on, perhaps utilize crepe paper 56 will constitute separating after fiber paper pulp layer 54 centers on of common absorber, form of separating fiber paper pulp layer 55 of high portion absorber etc. in the stacked same formation that centers on crepe paper 56 thereon.
On the other hand, in the last few years, accommodating property, Portability from the bag of packing into, considerations such as property next to the shin provide various slim absorbent commodities.The paper pulp fiber that the most use of the absorber of this slim absorbent commodity for example will be sneaked into super absorbent resin be processed into lamellated form (below, be called the paper pulp thin slice), if high portion in forming on the absorber that is made of this paper pulp thin slice then adopts the stacked form of separating fiber paper pulp that is centered on by crepe paper mostly thereon.
Patent documentation 1: the spy opens flat 7-328060 communique
Patent documentation 2: the spy opens flat 8-117277 communique
Patent documentation 3: the spy opens flat 10-272152 communique
Patent documentation 4: the spy opens flat 10-328233 communique
Patent documentation 5: the spy opens flat 11-358 communique
Patent documentation 6: the spy opens flat 11-33054 communique
Summary of the invention
As mentioned above, separate under the situation of fiber paper pulp as absorber, come off or change the first-class situation of the equipment of adhering to from production line,, generally all need to center on crepe paper simultaneously in order to keep its shape in order to prevent it in use.But in general in the past absorbent commodity, the present inventor finds: the diffusion velocity of hydrophilic fibre thin slice is 1.07cm
3/ second, crepe paper is 0.25cm
3/ second, paper pulp+polymer is 0.38cm
3/ second, the diffusion velocity of intermediary crepe paper reduces, and therefore, following problem can occur in the use.
(1) after a little while through blood volume, though menses can arrive crepe paper by surface sheets, the amount of transferring to the absorber main body seldom, most menses still remained on the crepe paper before transferring to the absorber main body.As a result, the posture when using is during towards the side etc., and menses will flow on crepe paper, after menses flow to the sanitary towel end side leakage will take place.
(2) when blood volume is more, because the amount of transferring to the absorber main body from crepe paper seldom, therefore, the menses that major part enters can not be transferred to the absorber main body, but are trapped between surface sheets or the crepe paper.Like this, if enter surpass body fluid saturation between surface sheets or the crepe paper through blood volume, menses can not flow under the surface sheets, but flow on surface sheets, thereby produce side leakage.
On the other hand, utilizing crepe paper to center under the above-mentioned situation of separating fiber paper pulp since must implement above-mentioned around operation, therefore, manufacturing process's complexity, simultaneously because the material cost of crepe paper is very high, therefore, the problem that exists manufacturing cost to increase.
Therefore, major subjects of the present invention is to provide by saving around the crepe paper of separating fiber paper pulp and reduces material cost, can realize simultaneously the rapid absorption of body fluid, and, in above-mentioned manufacturing process, can reliably keep separating the shape of fiber paper pulp, the elimination spillage of material reaches the harmful effect to equipment, and absorbent commodity and the manufacture method thereof that can make by manufacturing process still less.
In order to solve above-mentioned problem, claim 1 of the present invention provides a kind of absorbent commodity, wherein, folder is established absorber between liquid permeability surface sheets and inner face thin slice, and above-mentioned liquid permeability surface sheets and absorber dispose the hydrophilic fibre thin slice, this absorbent commodity is characterised in that
Above-mentioned absorber is made of lower layer side absorber and upper layer side absorber, and wherein, the lower layer side absorber is made of the absorbability thin slice, the upper layer side absorber stacked in this lower layer side absorber substantial middle portion upper surface side and separating fiber paper pulp,
Above-mentioned upper layer side absorber centers on without crepe paper, and when being folded in 3 layer states that form between above-mentioned hydrophilic fibre thin slice and the lower layer side absorber, it is kept by the heat embossing that applies in above-mentioned upper layer side absorber perimembranous.
The invention effect
As above detailed description, in the present invention, not by crepe paper in form high portion by separating the upper layer side absorber that fiber paper pulp constitutes, but when 3 layer states that it are folded between above-mentioned hydrophilic fibre thin slice and the lower layer side absorber, impose heat embossing or acupuncture keeps by perimembranous, to prevent dislocation or distortion at above-mentioned upper layer side absorber.As a result, can reduce material cost by saving crepe paper, simultaneously, by saving the crepe paper as the main cause that hinders body fluid, body fluid can be separated fiber paper pulp rapidly and the absorbability thin slice absorbs.In addition, owing to save by the center on operation of crepe paper, therefore, simplified manufacturing process around absorber from production line.
Simultaneously, in comprising the duplexer of above-mentioned absorber, be used to the heat embossing that keeps the upper layer side absorber to be imposed owing to hidden by the liquid permeability surface sheets, therefore, no matter above-mentioned heat embossing gives any pattern, also can not expose to the open air outside, thereby outward appearance is good.
Description of drawings
Fig. 1 cuts open vertical view for the office of absorbent commodity 1 of the present invention.
Fig. 2 be its II-II line to view.
Fig. 3 (A)～(E) is respectively the figure of the formation pattern of heat embossing.
Fig. 4 is the manufacturing sequence figure of this absorbent commodity 1.
Fig. 5 is the view that is used to obtain manufacturing process's example of duplexer 12.
Fig. 6 is office's profile perspective of absorbent commodity 50 in the past.
Fig. 7 has shown by the example of crepe paper around bulk absorber.
Label declaration
1 ... absorbent commodity, 2 ... opaque liquid inner face thin slice, 3 ... the liquid permeability surface sheets
4 ... absorber unit, 5 ... lower layer side absorber (paper pulp thin slice), 6 ... upper layer side absorbs
Body (separating fiber paper pulp), 7 ... hydrophilic fibre thin slice, 8 ... heat embossing
The specific embodiment
Below, with reference to accompanying drawing embodiments of the present invention are elaborated.
Fig. 1 cuts open vertical view for the office of absorbent commodity 1 of the present invention, Fig. 2 be its II-II line to view.
Though above-mentioned opaque liquid inner face thin slice 2 can adopt polyethylene, polypropylene etc. to possess the sheeting of water-resisting property at least, but except them, also can adopt the stacked non-woven fabrics of stacked non-woven fabrics on polyethylene sheets etc., perhaps use folder to establish waterproof membrane and (in this case, constitute opaque liquid inner face thin slice by waterproof membrane and non-woven fabrics with the nonwoven fabric sheet of in fact guaranteeing opaque liquid.) etc.In the last few years, for anti-consideration of going mouldy, the preferred material that uses of tendency with poisture-penetrability.As the sheeting of this water proof poisture-penetrability, be fit to adopt very much in alkenes resins such as polyethylene, polypropylene the melting mixing inorganic filler with after forming thin slice, by extending the little porous thin slice that obtains along single shaft or biaxially oriented.
Though above-mentioned surface sheets 3 can adopt atresia or foraminous non-woven fabrics or porous plastic thin slice etc., still, is applicable to that the surface sheets in this sanitary napkin 1 is the porous plastic thin slice.
The material fiber that constitutes above-mentioned non-woven fabrics can also use natural fibers such as regenerated fibers such as artificial silk or ammonia copper wire, cotton except alkenes such as polyethylene, polypropylene for example, polyesters, synthetic fibers such as polyamide-based.In addition, also applicable fiber that melting point is higher is as core and fiber that melting point is lower core-sheath-type fiber or the composite fibres such as parallel type fiber, Splittable fiber as sheath.For processing method, can use the non-woven fabrics that obtains by suitable processing method such as spun laced process, spun-bond process, heat viscosity method, meltblown, needle point method.In these processing methods, spun laced process has the advantage that is imbued with flexibility and drapability, and heat viscosity method has bulk and softish advantage.In addition, therefore embossing processing, be suitable for the non-woven fabrics that is formed by synthetic fibers owing to simple and easy to do.
As the raw material of above-mentioned porous plastic thin slice, for example, alkenes resins such as applicable polyethylene, polypropylene also can adopt polyamide-based resins such as polyesters, nylon and EVA etc.Perforate 3a, 3a in this aerated plastics surface sheets 3 ... the aperture be 0.05～3.0mm, preferred 0.1～2.0mm is preferably 0.5～1.5mm, its perforate quantity can be 100～500/cm
2, preferred 200～400/cm
2About.When forming above-mentioned perforate 3a, exist and make the synthetic resin thin slice softening near softening temperature, under the state on be positioned at supporting mass with a plurality of perforates, attract or above supporting mass, apply the method for air pressure from the below of supporting mass, or after mint-mark goes out many slits in synthetic resin thin slice raw material, make the thin slice raw material extend with the method that forms perforate etc., can be by suitable method formation.
In addition, though the perforate aperture is also influential, above-mentioned aerated plastics surface sheets 3 is because the situation that body fluid is difficult to be transferred to from aperture portion hydrophilic fibre thin slice 7 can appear in its hydrophobicity.Therefore, be preferably in the inner surface side coating weight per unit area 1.20g/m of aerated plastics surface sheets 3
2Above interfacial agent is so that body fluid is easy to shift to hydrophilic fibre thin slice 7 from perforate 3a.
Above-mentioned absorber unit 4 is made of lower layer side absorber 5 and upper layer side absorber 6, wherein, lower layer side absorber 5 is made of the paper pulp thin slice, upper layer side absorber 6 is made of the fiber paper pulp of separating of the substantial middle portion upper face side that is laminated in this lower layer side absorber 5, and be used to form to face side outstanding in high portion.
Above-mentioned lower layer side absorber 5 is suitable for adopting the so-called paper pulp thin slice of the paper pulp fiber preprocess flakiness shape that will sneak into super absorbent resin, and its thickness is 1～3mm, and presses paper pulp fiber 10～200g/m
2, super absorbent resin 0～100g/m
2Mix.
As above-mentioned super absorbent resin, for example can adopt the partial cross-linked thing etc. of saponified, isobutene. anhydrous maleic acid crosslinking copolymers thing, polysulfonate cross-linking agent or the water-swellable polymer such as polyacrylic acid, polyacrylamide of polyacrylate, the acrylate vinyl acetate base co-polymer cross-linking agent of polyacrylate cross-linking agent, self-crosslinking.Wherein, preferred water absorption, acrylic acid or acrylic acid salt that absorption speed is good.Above-mentioned super absorbent resin with water absorbing properties can change water absorbing force and absorption speed by adjusting crosslink density and crosslink density gradient in manufacturing process.In addition, the containing ratio at super absorbent resin surpasses at 50% o'clock, the prehensile forfeiture between paper pulp fiber, the intensity reduction of sheeting, phenomenons such as appearance breakage easily, crackle.The flat shape of above-mentioned lower layer side absorber 5 can be elliptical shape as shown in the figure, also can adopt fit shape (calabash shape) so that relax the contact of portion between hip.
On the other hand, above-mentioned upper layer side absorber 6 is to separate the absorber layers of separating fiber paper pulp that fibre forms by the fine machine of drum-type collection etc. paper pulp is involved in row, and, high portion absorber in forming by the upper face side that it is laminated in above-mentioned downside absorber 5 central parts.
As above-mentioned paper pulp, the preferred material that uses cellulose fibre such as chemical pulp by obtaining, fusion paper pulp or artificial fiber cellulose fibers such as artificial silk, acetate silk to form by timber, from function and consideration in price, compare with playing broad leaf tree paper pulp, be fit to use long stapled coniferous tree paper pulp.In addition, though the flat shape of upper layer side absorber 6 is rectangle in the drawings, also can adopt ellipse.The thickness of above-mentioned upper layer side absorber 6 can be 1.5～8.0mm, preferred 2.0～4.0mm.In addition, when collection is fine, is preferably in the above-mentioned upper layer side absorber 6 with the regulation ratio, for example sneaks into powder body with super absorbent resin with 10～60% ratio.
For the body fluid that drains on the above-mentioned liquid permeability surface sheets 3 is shifted, used the hydrophilic fibre thin slice 7 that is arranged between above-mentioned liquid permeability surface sheets 3 and the absorber unit 4.This hydrophilic fibre thin slice 7 can use the material of the possess hydrophilic property as natural fibers such as regenerated fibers such as artificial silk, cuprammonium, cotton so own, perhaps alkenes such as polyethylene, polypropylene, polyesters, synthetic fibers such as polyamide-based are carried out surface treatment and give hydrophilic fiber, come possess hydrophilic property by using by hydrophilic agent.The reason that body fluid flows backwards for example is that body fluid is stranded in the above-mentioned hydrophilic fibre thin slice 7 interfibrous short spaces, and when being under pressure, this body fluid will be transferred to surface sheets 3 sides.Therefore, in order to make above-mentioned hydrophilic fibre thin slice 7 interfibrous space miniaturizations, the preferred refluence of using the fibrous layer that constitutes by the superfine fibre below the 3.0d, below the best 2.5d to prevent body fluid.
In this absorbent commodity 1, above-mentioned upper layer side absorber 6 does not center on by crepe paper, but it being folded between above-mentioned hydrophilic fibre thin slice 7 and the lower layer side absorber 5 when forming 3-tier architecture, by the heat embossing 8,8 that imposes at the outside of above-mentioned upper layer side absorber 6 adjoining position ... keep.
For dislocation or the reverse mould that prevents above-mentioned upper layer side absorber 6, as shown in the figure, the portion all around that is preferably in upper layer side absorber 6 grants above-mentioned heat embossing 8 respectively.In the example shown in the figure, though impose the heat embossing 8 of a circle respectively on each limit,, the shape of embossing and pattern can be arbitrarily.For example, can impose a plurality of heat embossings on each limit, its shape also can be linear.
For example, as the pattern of above-mentioned heat embossing 8,, listed the form shown in Fig. 3 (A)～(E) as illustration.Fig. 3 (A) is the example that imposes heat embossing 8,8 in the front and back of above-mentioned upper layer side absorber 6 respectively, and Fig. 3 (B) imposes the example of heat embossing 8,8 respectively at above-mentioned upper layer side absorber about 6.In addition, Fig. 3 (C) imposes circular heat embossing 8,8 respectively at above-mentioned upper layer side absorber about 6, and grant the linear embossing 9,9 of extending along fore-and-aft direction respectively in front and back with general radial ... example, Fig. 3 (D) is to impose the example of linear embossing 10 with ellipse around the mode of above-mentioned upper layer side absorber 6.Fig. 3 (E) is the example that imposes heat embossing 8,8 in the front and back of above-mentioned upper layer side absorber 6 respectively and impose the linear embossing 11 of linearity along its length at sidepiece respectively.In addition, above-mentioned linear embossing 9～11 also is to be used to make body fluid to spread in case the embossing of side leakage in order to control the body fluid excess diffusion in indent portion, can be adjusted the indent area along indent.
The manufacturing process that obtains above-mentioned sanitary napkin 1 is roughly: as Fig. 4 (shown in the step 1), at first, in the initial operation or other operations of production line, upper layer side absorber 6 is put between lower layer side absorber 5 and the hydrophilic fibre thin slice 7, and heat embossing 8 by imposing at the outside of above-mentioned upper layer side absorber 6 adjoining position, 8 ... keep above-mentioned upper layer side absorber 6, acquisition comprises the duplexer 12 of absorber, afterwards, shown in Fig. 4 (step 2), at the stacked inner face thin slice 2 of the lower face side of this duplexer 12, then, as Fig. 4 (shown in the step 3), in the stacked liquid permeability surface sheets 3 of the upper surface side of above-mentioned duplexer.(order of step 3) can be opposite to above-mentioned Fig. 4 (step 2) with Fig. 4.In addition, in said sequence, also can be included in the face side both sides operation of sidepiece non-woven fabrics, the operation of the three-dimensional gauffer of formation are set, the operation of elastic flexible material etc. is set.As long as make before making up in above-mentioned duplexer 12 and inner face thin slice 2, surface sheets 3.
Example as the concrete manufacturing process of above-mentioned duplexer 12, for example, as shown in Figure 5, from the paper pulp thin slice of paper pulp rolls of sheets output as lower layer side absorber 5, in its course of conveying, drum-type collects the fiber paper pulp of separating that fine machine 14 will form upper layer side absorber 6 and collects fine on above-mentioned lower layer side absorber 5.Afterwards, hydrophilic fibre thin slice 7 is layered in above-mentioned upper layer side absorber 6,6 ... on, heat embossing applying unit 15 is at above-mentioned upper layer side absorber 6,6 ... adjoining position place, the outside impose heat embossing 8,8 ..., acquisition comprises the above-mentioned duplexer 12 of absorber thus.This duplexer 12 is cut into after the shape of regulation, be delivered to the stacked operation of inner face thin slice 2 and the stacked operation of surface sheets 3 again.In above-mentioned manufacturing process, though the lower layer side absorber 5 that initial output is made of the paper pulp thin slice, and it is stacked thereon by separating the upper layer side absorber 6 that fiber paper pulp constitutes, but, also can export hydrophilic fibre thin slice 7, stacked thereon again by separating the upper layer side absorber 6 that fiber paper pulp constitutes, afterwards, the paper pulp thin slice of stacked again formation lower layer side absorber 5.
Other embodiment
(1) in the above-described embodiments, do not impose embossing though put down in writing from the upper surface side of liquid permeability surface sheets 3,, can form this embossed surface arbitrarily.
(2) in the above-described embodiments, though use the paper pulp thin slice that maybe can buy from producer made as the absorbability thin slice,, also can use any absorbefacient thin slice that has.
(3) in the above-described embodiments, though as hydrophilic fibre thin slice 7, can use the hydrophilic non-woven of so-called second thin slice, but also can use any absorbability thin slice that can hot melt adhesion.
(4) in the above-described embodiments, above-mentioned upper layer side absorber 6 is heat embossings 8,8 of locating to impose by at its outside adjoining position (outer periphery position) ... keep, but also can impose above-mentioned heat embossing 8,8 at the peripheral position of the inboard of upper layer side absorber 6 outer rims ...
(5) in the above-described embodiments, above-mentioned upper layer side absorber 6 is heat embossings 8,8 of locating to impose by at its outside adjoining position (outer periphery position) ... keep, but also can use acupuncture to replace above-mentioned heat embossing 8, keep upper layer side absorber 6 by fiber mutual winding to each other.In this case, also can use the not absorbability sheeting of hot melt adhesion.
Claims (1)
1. the manufacture method of an absorbent commodity, be used to obtain following absorbent commodity: folder is established absorber between liquid permeability surface sheets and inner face thin slice, and the hydrophilic fibre thin slice that forms by hydrophilic non-woven disposing of described liquid permeability surface sheets and absorber, described absorber is made of lower layer side absorber and upper layer side absorber, wherein, the lower layer side absorber is made of the paper pulp thin slice of the paper pulp fiber preprocess flakiness shape that will sneak into super absorbent resin, the upper layer side absorber is stacked in the substantial middle portion upper surface side of this lower layer side absorber, and based on the fiber paper pulp of separating that centers on without crepe paper, it is characterized in that
In the initial operation or other operations of production line, lower layer side absorber that will be formed by described paper pulp thin slice and the side in the hydrophilic fibre thin slice are transported on the production line, on this thin slice, will become separating after the fiber paper pulp collection fibre of upper layer side absorber, stacked by lower layer side absorber and the opposing party in the hydrophilic fibre thin slice that described paper pulp thin slice forms in the mode that covers the upper layer side absorber, then after the perimembranous of described upper layer side absorber imposes the operation of acupuncture with the duplexer of the described upper layer side absorber of acquisition maintenance; Be included in the operation of the stacked inner face thin slice of lower face side of duplexer; And in the operation of the stacked liquid permeability surface sheets of the upper surface side of described duplexer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP399525/2003 | 2003-11-28 | ||
| JP2003399525A JP4140840B2 (en) | 2003-11-28 | 2003-11-28 | Method for manufacturing absorbent article |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1886109A CN1886109A (en) | 2006-12-27 |
| CN100457068C true CN100457068C (en) | 2009-02-04 |
Family
ID=34631606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800353205A Active CN100457068C (en) | 2003-11-28 | 2004-11-26 | Absorbent article and method of manufacturing the same |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4140840B2 (en) |
| CN (1) | CN100457068C (en) |
| WO (1) | WO2005051275A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107635521A (en) * | 2015-08-17 | 2018-01-26 | 大王制纸株式会社 | Absorbent commodity |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006134906A1 (en) * | 2005-06-14 | 2006-12-21 | Daio Paper Corporation | Absorbent article |
| JP4954502B2 (en) * | 2005-06-14 | 2012-06-20 | 大王製紙株式会社 | Absorbent articles |
| JP5094173B2 (en) * | 2007-03-20 | 2012-12-12 | 花王株式会社 | Absorbent article and manufacturing method thereof |
| CN110731863A (en) * | 2019-11-15 | 2020-01-31 | 深圳市棉芯科技有限公司 | glue-free needle-punched absorption core and sanitary product containing the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52101198U (en) * | 1976-01-30 | 1977-08-01 | ||
| JPS5813223U (en) * | 1981-07-16 | 1983-01-27 | ユニ・チヤ−ム株式会社 | sanitary napkins |
| JPS61106151A (en) * | 1984-10-30 | 1986-05-24 | ユニ・チヤ−ム株式会社 | Absorbing body in sanitary article |
| JPH0483326U (en) * | 1990-11-30 | 1992-07-20 | ||
| JP2003290289A (en) * | 2002-04-05 | 2003-10-14 | Nippon Kyushutai Gijutsu Kenkyusho:Kk | Absorber provided with bypass channel member and absorber product using the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001276126A (en) * | 2000-03-30 | 2001-10-09 | Kao Corp | Absorptive article |
| JP2002165837A (en) * | 2000-04-11 | 2002-06-11 | Kao Corp | Absorptive article |
-
2003
- 2003-11-28 JP JP2003399525A patent/JP4140840B2/en not_active Expired - Fee Related
-
2004
- 2004-11-26 CN CNB2004800353205A patent/CN100457068C/en active Active
- 2004-11-26 WO PCT/JP2004/017568 patent/WO2005051275A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52101198U (en) * | 1976-01-30 | 1977-08-01 | ||
| JPS5813223U (en) * | 1981-07-16 | 1983-01-27 | ユニ・チヤ−ム株式会社 | sanitary napkins |
| JPS61106151A (en) * | 1984-10-30 | 1986-05-24 | ユニ・チヤ−ム株式会社 | Absorbing body in sanitary article |
| JPH0483326U (en) * | 1990-11-30 | 1992-07-20 | ||
| JP2003290289A (en) * | 2002-04-05 | 2003-10-14 | Nippon Kyushutai Gijutsu Kenkyusho:Kk | Absorber provided with bypass channel member and absorber product using the same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107635521A (en) * | 2015-08-17 | 2018-01-26 | 大王制纸株式会社 | Absorbent commodity |
| CN107635521B (en) * | 2015-08-17 | 2020-08-07 | 大王制纸株式会社 | Absorbent article |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4140840B2 (en) | 2008-08-27 |
| CN1886109A (en) | 2006-12-27 |
| WO2005051275A1 (en) | 2005-06-09 |
| JP2005160508A (en) | 2005-06-23 |
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