CN104768508B - Absorbent commodity - Google Patents
Absorbent commodity Download PDFInfo
- Publication number
- CN104768508B CN104768508B CN201380056845.6A CN201380056845A CN104768508B CN 104768508 B CN104768508 B CN 104768508B CN 201380056845 A CN201380056845 A CN 201380056845A CN 104768508 B CN104768508 B CN 104768508B
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- China
- Prior art keywords
- per square
- square metre
- grammes per
- absorbent core
- middle section
- Prior art date
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Classifications
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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
- A61F13/45—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 shape
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female use
- A61F13/47218—Sanitary towels, incontinence pads or napkins specially adapted for female use with a raised crotch region, e.g. hump
-
- 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
- A61F13/531—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 a homogeneous composition through the thickness of the pad
- A61F13/532—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 a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
- A61F13/533—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 a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad having discontinuous areas of compression
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
A kind of absorbent commodity, it is included in the absorbent core (4) of shape longer on the fore-and-aft direction of absorbent commodity, absorbent core (4) includes middle section (41) and the side region (45,45) of its both sides in the width direction, and middle section (41) has the protuberance (5) that upper surface more respective than side region is just protruded more up.Middle section (41) and side region (45) are integrally formed in absorbent core (4), skin abutment face in absorbent core (3), is continuously formed from middle section (41) to side region (45) respectively along multiple translots (44) of the width of absorbent core.Translot (44) is formed by reducing the grammes per square metre of the formation material of absorbent core, and in the translot (44), the position with the bottom (44d) at the position (P1) of side region (45) adjoining positioned at the upper surface (S2) than side region (45) on the lower of middle section (41).
Description
Technical field
The present invention relates to the absorbabilities such as a kind of sanitary napkin, panty liner (vaginal fluid protection pad), incontinence protection
Article.
Background technology
Previously, it is known that the absorber in the absorbent commodities such as sanitary napkin, with the recessed of the skin according to wearer
The mode of convex form sets protrusion, in addition, it is also known that in protrusion formation groove.For example, being disclosed in patent document 1,2 has
Include the absorber for having slotted protrusion near the central portion of absorber.
Prior art literature
Patent document
Patent document 1：Japanese Patent Laid-Open 2009-112590 publications
Patent document 2：Japanese Patent Laid-Open 2012-125366 publications
Absorber in patent document 1 has the stromatolithic structure of the upper and lower and has protuberance in the formation residing for upper strata
The middle section in portion is formed with the recess throughout levels.However, the recess is by formed by hot Embossing processing, thus it is recessed
By densification near the bottom at place, therefore liquid is difficult to spread to other parts near the bottom of recess, in preventing for rewetting
Performance, the aspect of effective application of the absorptive capacity of absorber tool there is room for improvement.
In addition, being disclosed in patent document 2 has in the absorber with multiple block convex portions, similarly set including many
The protrusion of individual convex portion.However, being set on the depth that will be formed in the groove between the block convex portion in protrusion from protuberance
The content of depth below the surface arrival at the position beyond portion has no any enlightenment.
The content of the invention
Therefore, problem of the invention, which is to provide, a kind of eliminates the absorbability thing that above-mentioned prior art is had the disadvantage that
Product.
The present invention relates to a kind of absorption for the absorbent core for being included in shape longer on the fore-and-aft direction of absorbent commodity
Property article.Above-mentioned absorbent core includes middle section and the side region positioned at its both sides, the central area in the width direction
Domain includes the protuberance just protruded more up than the respective upper surface in side region.Above-mentioned middle section in above-mentioned absorbent core
It is integrally formed with above-mentioned side region.In the skin abutment face of above-mentioned absorbent core, along the width of the absorbent core
Multiple translots are continuously formed from above-mentioned middle section to above-mentioned side region respectively.Above-mentioned translot is by reducing absorbent core
Form the grammes per square metre of material and formed, and in the translot, the bottom in the position with above-mentioned side area adjacency of above-mentioned middle section
Portion, positioned at the position of the upper surface than the side region on the lower.
Brief description of the drawings
Fig. 1 is the stereogram for the sanitary napkin for being denoted as the first embodiment of the present invention.
Fig. 2 (a) is Fig. 1 IIa-IIa sectional views, and Fig. 2 (b) is Fig. 1 IIb-IIb sectional views.
Fig. 3 (a) is Fig. 1 IIIa-IIIa sectional views, and Fig. 3 (b) is Fig. 1 IIIb-IIIb sectional views.
Fig. 4 is the schematic diagram of the deformation state of the absorbent core of the wearing effect for the sanitary napkin for representing Fig. 1.
Fig. 5 (a) and Fig. 5 (b) are to represent along in the manufacture in the absorbent core of the sanitary napkin shown in Fig. 1 preferably
The schematic diagram in the circumferential section of the fine cylinder of product used.
Fig. 6 is the stereogram for the sanitary napkin for being denoted as second embodiment of the present invention.
Fig. 7 (a) is Fig. 6 VIIa-VIIa sectional views, and Fig. 7 (b) is Fig. 6 VIIb-VIIb sectional views.
Fig. 8 is the plan for the sanitary napkin for being denoted as third embodiment of the present invention.
Fig. 9 (a) is Fig. 8 IXa-IXa sectional views, and Fig. 9 (b) is Fig. 8 IXb-IXb sectional views.
Embodiment
Hereinafter, based on the present invention preferred embodiment, the present invention will be described while referring to the drawings.
(below, also it is only called sometimes as the sanitary napkin 1 of the first embodiment of the absorbent commodity of the present invention
Sanitary napkin 1) it is to be adapted to the overnight hygienic band that h.d. is used.
As shown in figure 1, sanitary napkin 1 includes：The absorbent main body 6 of longer shape in the longitudinal direction；A pair of flank sections
7、7；With a pair of rear alar parts 8,8.On absorbent commodities such as sanitary napkins, so-called " fore-and-aft direction " refer to when wearing with
The consistent direction of the fore-and-aft direction of wearer.
Absorbent main body 6 includes front part A, fluid drainage portion counterpart B and rear portion C in its longitudinal direction, in liquid
The body excretory portion counterpart B left and right sides has a pair of flank sections 7,7, and in rear portion, the C left and right sides has a pair of rear alar parts
8、8.Fluid drainage portion counterpart B is oppositely disposed in the central portion of width and the fluid drainage portion (introitus) of wearer
Part, front part A is disposed on the part by the front side (veutro) of wearer than fluid drainage portion counterpart B, and rear portion C is
Configure than parts of the fluid drainage portion counterpart B by the back side of wearer.
Sanitary napkin 1 includes：Skin lateral plate 2, it forms the skin abutment face towards the skin side of wearer when wearing；Non- flesh
Skin lateral plate 3, it forms the non-skin abutment face towards garment sides such as shorts when wearing；With absorbent core 4, it is configured at the two
Between piece 2,3.Skin lateral plate 2 includes the positive dough sheet 2a of liquid permeability and is engaged in a pair of stereo enclosures formation use of its both sides
Piece 2b, 2b.The positive dough sheet 2a of liquid permeability is configured in the way of the total length throughout absorbent main body 6 in absorbent main body 6
The central portion of width.Stereo enclosure formation is with piece 2b with by the weight of side edge part 21 of the width center side of absorbent main body
The state on positive dough sheet 2a is stacked in, is engaged from the side edge part 21 slightly by the position in the outside of width with positive dough sheet 2a.
Stereo enclosure formation includes stereo enclosure formation elastomeric element (non-icon) with piece 2b in the vicinity of above-mentioned side edge part 21, is wearing
When, using the convergent force of the elastomeric element, the part of the distance Rack of side edge part 21 in fluid drainage portion counterpart B
Erected in the way of being left from positive dough sheet 2a and form stereo enclosure.
A pair of flank sections 7,7 and a pair of rear 8,8 stereo enclosures by extending from the both side edges of absorbent core 4 of alar part are formed
Formed with piece 2b and non-skin lateral plate 3.In the respective face formed by non-skin lateral plate 3 of a pair of flank sections 7, it is provided with to solid
The flank section adhesive portion (not shown) of the non-skin abutment face of the crotch part of shorts is scheduled on, is supported in the non-skin of absorbent main body 6
Junction, is provided with the main body adhesive portion (not shown) of the inner surface the main body 6 to be fixed on to shorts.Alar part 8 is in dress afterwards
When configuration on the inner surface (skin abutment face) of shorts.Preferably, in the face formed by non-skin lateral plate 3 of rear alar part 8,
It is provided with to be fixed on the adhesive portion of the inner surface of shorts.Skin lateral plate 2 and non-skin lateral plate 3 will be than absorbing using bonding agent
The part of the peripheral part of property core 4 in the outer part is bonded with each other, and is engaged in the peripheral part of sanitary napkin 1 by heat-sealing.Preferably,
Also using coating it is point, spiral, striped etc. between skin lateral plate 2 and absorbent core 4, between absorbent core 4 and non-skin lateral plate 3
The bonding agent of pattern and be bonded with each other.
Absorbent core 4 in sanitary napkin 1 is comprising fiber assemblies of fibrous material such as paper pulp fibers or in the fiber collection
The structure of high water absorbency polymer is maintained between fit fiber.Absorbent core 4 is by comprising cotton paper or water penetration non-woven fabrics
Clad sheet (omitting diagram) cladding upper and lower surface.Clad sheet is to prevent the formation material of absorbent core from spilling, improve absorbent core
Conformality for the purpose of and use.
As shown in figure 1, absorbent core 4 in sanitary napkin 1 have on the fore-and-aft direction identical direction with sanitary napkin 1 compared with
Long shape.In addition, as shown in Fig. 2 (a) and Fig. 2 (b), absorbent core 4 includes middle section 41 and positioned at it in width Y
The side region 45,45 of both sides, the middle section 41 is included than the side region 45,45 respective upper surface S2, S2 more up
The prominent protuberance 5 in side.
By there is the protuberance 5 of absorbent core 4 in sanitary napkin 1, under positive dough sheet 2a and in the width of skin abutment face
Direction central portion forms the protrusion 11 prominent to the skin side of wearer.
In addition, the width W1 (reference picture 2 (a)) of protuberance 5 is preferred relative to the whole width W2 of absorbent core ratio
For more than 20%, more preferably more than 30%, furthermore it is preferred that being less than 80%, more preferably less than 70%, furthermore it is preferred that being
More than 20% and less than 80%, more preferably more than 30% and less than 70%.
As shown in figure 1, the protuberance 5 of absorbent core 4 in sanitary napkin 1 and utilizing protrusion formed by the protuberance 5
11 have shape longer on the length direction of absorbent core, and are formed from the fluid drainage portion counterpart B of sanitary napkin 1 to rear
A square portion C part.More specifically, the ratio X near the leading section from fluid drainage portion counterpart B to rear portion C is formed
Direction central portion is in the range of the position at rear.
Protuberance 5 and protrusion 11 are preferably on the fore-and-aft direction X of sanitary napkin 1 (absorbent commodity) from fluid drainage portion phase
To a part for portion B formation to rear portion C.In addition, protuberance 5 and protrusion 11 are preferably with the complete of the fore-and-aft direction X of sanitary napkin 1
More than 30% long length is formed, and is more preferably formed with more than 40% length of the total length of sanitary napkin 1, and then preferably to defend
More than 50% length of the total length of raw towel 1 is formed.
As shown in Fig. 3 (a), in the middle section 41 of absorbent core 4, on the length direction X of absorbent core 4 alternately
It is formed with high grammes per square metre portion 42 and forms the low grammes per square metre portion 43 of the bottom of translot 44, each low grammes per square metre portion 43 is along absorbent core 4
Width Y extends.High grammes per square metre portion 42 is that compared with low grammes per square metre portion 43, the grammes per square metre of the formation material of absorbent core is of a relatively high
Part, low grammes per square metre portion 43 is the relatively low part of grammes per square metre of the formation material of absorbent core compared with high grammes per square metre portion 42.
The middle section 41 of absorbent core 4 is pressurized in the step of manufacturing absorbent core 4.Now, because pressurization is brought
Pressure concentrate on the thicker high grammes per square metre portion 42 of thickness, the low grammes per square metre portion 43 of thinner thickness is not by because of the brought pressure that pressurizes
And be not compressed.Like this, with by only compress high grammes per square metre portion 42 and make high grammes per square metre portion 42 relative to low grammes per square metre portion 43 improve inhale
The mode for receiving the density of part is designed.
The side region 45 of absorbent core 4 from middle section 41 is pressurizeed (compacting) the step of different step in
It is pressurized.Because the brought pressure of pressurizeing concentrates on the thicker high grammes per square metre portion 46 of thickness, the low grammes per square metre portion 47 of thinner thickness not by
It is not compressed to because pressurizeing brought pressure.Like this, to make the high phase of grammes per square metre portion 46 by only compressing high grammes per square metre portion 46
The higher mode of density for the low absorption piece of grammes per square metre portion 47 is designed.In addition, in pressurization steps used in the step
In, implementation is used and dug out with the backer roll of the corresponding shape of middle section 41 or only in the side region 45 with absorbent core 4
Partly there is the measures such as the roller of pressurization part accordingly, only the side region of absorbent core 4 is pressurizeed.
In the middle section 41 of absorbent core 4, the grammes per square metre in low grammes per square metre portion 43 of the bottom of translot 44 is formed relative to Gao Ke
The ratio of the grammes per square metre in weight portion 42 is preferably more than 5%, and more preferably more than 10%, furthermore it is preferred that being less than 50%, more preferably
Less than 40%, furthermore it is preferred that being more than 5% and less than 80%, more preferably more than 10% and less than 70%, and then be preferably
More than 10% and less than 50%, and then more preferably more than 10% and less than 40%.In addition, the grammes per square metre in high grammes per square metre portion 42 is preferably
200g/m2More than, more preferably 300g/m2More than, furthermore it is preferred that being 800g/m2Hereinafter, more preferably 700g/m2Hereinafter, this
Outside, preferably 200g/m2Above and 800g/m2Hereinafter, more preferably 300g/m2Above and 700g/m2Below.Low grammes per square metre portion 43
Grammes per square metre be preferably 10g/m2More than, more preferably 15g/m2More than, furthermore it is preferred that being 400g/m2Hereinafter, more preferably 350g/
m2Hereinafter, furthermore it is preferred that being 10g/m2Above and 400g/m2Hereinafter, more preferably 15g/m2Above and 350g/m2Hereinafter, and then
Preferably 25g/m2Above and 300g/m2Below.
High grammes per square metre portion 42 with formed translot 44 bottom low grammes per square metre portion 43 compared with not only grammes per square metre it is larger, and thickness also compared with
Greatly.The thickness in low grammes per square metre portion 43 is preferably more than 5% relative to the ratio of the thickness in high grammes per square metre portion 42, more preferably 10% with
On, furthermore it is preferred that being less than 50%, more preferably less than 40%, furthermore it is preferred that being more than 5% and less than 50%, more preferably
More than 10% and less than 40%.In addition, the thickness in high grammes per square metre portion 42 is preferably more than 1.5mm, more preferably more than 2mm, in addition,
Preferably below 10mm, more preferably below 8mm, furthermore it is preferred that being more than 1.5mm and below 10mm, more preferably more than 2mm
And below 8mm.The thickness in low grammes per square metre portion 43 is preferably more than 0.08mm, more preferably more than 0.15mm, furthermore it is preferred that being 5mm
Hereinafter, more preferably below 4mm, furthermore it is preferred that for more than 0.08mm and below 5mm, more preferably more than 0.15mm and 4mm with
Under.
In addition, the value in above-mentioned high grammes per square metre portion 42 or with each value in the relation in low grammes per square metre portion 43, such as present embodiment
When sanitary napkin 1 constitutes absorbent core comprising pod like that, as long as corresponding to the high grammes per square metre portion not comprising the pod 50.
(assay method of the grammes per square metre in high grammes per square metre portion and low grammes per square metre portion)
Boundary line of the single-blade razor manufactured using FEATHER companies along high grammes per square metre portion 42 and low grammes per square metre portion 43 will absorb
Property core cut-out, the small pieces in high grammes per square metre portion 42 and low grammes per square metre portion 43 are obtained in the way of as prespecified area.High grammes per square metre portion
42 be to cut to be turned into small pieces by the part that low a pair grammes per square metre portion 43,43 is clipped.That is, high grammes per square metre portion 42 is as by low grammes per square metre portion 43
The cell block piece marked off is cut.The low of the bottom for forming the pod 50,51,52 extended on longitudinal direction is included in the small pieces
During grammes per square metre portion 48, the high grammes per square metre portion 42 marked off by low grammes per square metre portion 43 and low grammes per square metre portion 48 is cut as sample and is used for
Determine.The small pieces in low grammes per square metre portion be cut in the way of length turns into 30mm be clipped in it is narrow between high a pair grammes per square metre portion 42,42
Part and as small pieces.
Use electronic balance (the electronic balance GR-300 that A＆D companies manufacture, precision：4 after decimal point) determine these
The weight of small pieces.The area of calculated weight divided by the small pieces in high grammes per square metre portion 42 or low grammes per square metre portion 43 is calculated to gram of small pieces
Weight.For high grammes per square metre portion 42 and low grammes per square metre portion 43, the average grammes per square metre of 5 small pieces is set to grammes per square metre respectively.
(assay method of the thickness in high grammes per square metre portion and low grammes per square metre portion)
The measure of the thickness in high grammes per square metre portion 42 and low grammes per square metre portion 43, is cut by determining to each Site Determination grammes per square metre
Small pieces thickness and carry out.With 5kPa pressure to the small of the high grammes per square metre portion 42 cut from absorbent commodity and low grammes per square metre portion 43
The determination part of piece pressurizes 10 minutes, is measured immediately after except weight.The middle section of sample after except weight, by size 20mm
× 20mm, thickness 3mm acrylic panel are placed on absorber 3, the non-contact laser position manufactured using KEYENCE companies
Move the thickness that meter (laser head LK-G30, displacement meter LK-GD500) determines sample.It is smaller and difficult in the size of the small pieces cut
When being measured in terms of using non-contacting Laser Displacement, for example, it is possible to use the microscope (VHX- of KEYENCE companies manufacture
1000) observed with 20~100 times of multiplying power and determine the section of the sample after above-mentioned cut-out.
Moreover, by forming high grammes per square metre portion 42 and low grammes per square metre portion 43 with grammes per square metre difference and density contrast in the above described manner,
The skin abutment face of the middle section 41 of absorbent core 4, on the width Y of absorbent core 4 extension be respectively formed with to
The a plurality of translot 44a of non-skin abutment face side depression.In this manual, skin abutment face is absorbent commodity or its constituting portion
In part when wearing towards the skin side of wearer face, during non-skin abutment face is absorbent commodity or its component parts
When wearing towards the skin side of wearer opposite side face.
In addition, as shown in Fig. 3 (b), in the side region 45 of absorbent core 4, also on the length direction X of absorbent core 4
High grammes per square metre portion 46 and low grammes per square metre portion 47, width Y extension of each low grammes per square metre portion 47 along absorbent core 4 are alternately formed.
The grammes per square metre of the formation material of the absorbent core in high grammes per square metre portion 46 is of a relatively high compared with low grammes per square metre portion 47, the absorption in low grammes per square metre portion 47
Property core formation material grammes per square metre it is relatively low compared with high grammes per square metre portion 46.
Moreover, by forming high grammes per square metre portion 46 and low grammes per square metre portion 47 with grammes per square metre difference and density contrast in the above described manner,
The skin abutment face in the side region 45 of absorbent core 4, also on the width Y of absorbent core 4 extension formed respectively to
The a plurality of translot 44b of non-skin abutment face side depression.
In the side region 45 of absorbent core 4, the grammes per square metre in low grammes per square metre portion 47 of the bottom of translot 44 is formed relative to Gao Ke
The ratio of the grammes per square metre in weight portion 46 is preferably more than 5%, and more preferably more than 10%, furthermore it is preferred that being less than 50%, more preferably
Less than 40%, furthermore it is preferred that being more than 5% and less than 50%, more preferably more than 10% and less than 40%.In addition, high grammes per square metre
The grammes per square metre in portion 46 is preferably 50g/m2More than, more preferably 100g/m2More than, furthermore it is preferred that being 400g/m2Hereinafter, more preferably
300g/m2Hereinafter, furthermore it is preferred that being 50g/m2Above and 400g/m2Hereinafter, more preferably 100g/m2Above and 300g/m2With
Under.The grammes per square metre in low grammes per square metre portion 47 is preferably 2.5g/m2More than, more preferably 5g/m2More than, furthermore it is preferred that being 200g/m2Hereinafter,
More preferably 150g/m2Hereinafter, furthermore it is preferred that being 2.5g/m2Above and 200g/m2Hereinafter, more preferably 5g/m2Above and
150g/m2Below.
High grammes per square metre portion 46 with formed translot 44 bottom low grammes per square metre portion 47 compared with not only grammes per square metre it is larger, and thickness also compared with
Greatly.The thickness in low grammes per square metre portion 47 is preferably more than 5% relative to the ratio of the thickness in high grammes per square metre portion 46, more preferably 10% with
On, furthermore it is preferred that being less than 50%, more preferably less than 40%, furthermore it is preferred that being more than 5% and less than 50%, more preferably
More than 10% and less than 40%.In addition, the thickness in high grammes per square metre portion 46 is preferably more than 0.8mm, more preferably more than 1mm, in addition,
Preferably below 5mm, more preferably below 4mm, furthermore it is preferred that for more than 0.8mm and below 5mm, more preferably more than 1mm and
Below 4mm.The thickness in low grammes per square metre portion 47 is preferably more than 0.04mm, more preferably more than 0.08mm, furthermore it is preferred that being 0.4mm
Hereinafter, more preferably below 0.32mm, furthermore it is preferred that for more than 0.04mm and below 0.4mm, more preferably more than 0.08mm and
Below 0.32mm.
In addition, the value in above-mentioned high grammes per square metre portion 46 or with each value in the relation in low grammes per square metre portion 47, such as present embodiment
When sanitary napkin 1 constitutes absorbent core comprising pod like that, as long as corresponding to the high grammes per square metre portion not comprising the pod 52.
In addition, the assay method of high grammes per square metre portion 46 and the respective grammes per square metre in low grammes per square metre portion 47 and thickness, with above-mentioned high grammes per square metre portion
42 and low grammes per square metre portion 43 assay method it is same.
In addition, the high grammes per square metre portion 42 of middle section 41 grammes per square metre compared with the high grammes per square metre portion 46 in side region 45 is larger, in addition,
Thickness is also larger compared with the high grammes per square metre portion 46 in side region 45.Thus, the thickness t1 of middle section 41 and side region 45
Thickness t2 is thicker, and the protuberance 5 just protruded more up than the upper surface S2 in side region 45 is formed with middle section 41.
The thickness t1 of middle section 41 is preferably more than 110% relative to the thickness t2 in side region 45 ratio, more excellent
Elect more than 120% as, furthermore it is preferred that for less than 400%, more preferably less than 300%, furthermore it is preferred that for more than 110% and
Less than 400%, more preferably more than 120% and less than 300%.In the present embodiment, the thickness t1 of middle section 41 is position
Above-mentioned thickness in the high grammes per square metre portion 42 of the width central portion of middle section 41, the thickness t2 in side region 45 is and center
The above-mentioned thickness in the high grammes per square metre portion 46 that region 41 is abutted.
In any one of protuberance 5 in fluid drainage portion counterpart B and rear portion C, the upper surface from side region 45
The whole thickness t1 relative to middle section 41 for the height t that S2 is protruded ratio is both preferably more than 20%, more preferably
More than 30%, furthermore it is preferred that be less than 90%, more preferably less than 80%, furthermore it is preferred that be more than 20% and less than 90%,
More preferably more than 30% and less than 80%.The projecting height t of protuberance 5 subtracts side with the whole thickness t1 from middle section 41
Value obtained by the thickness t2 in square region 45 is identical.
The low grammes per square metre portion 43 of middle section 41 is with the low grammes per square metre portion 47 in side region 45 in middle section 41 and side region
45 boundary portion, the position consistency on the length direction X of absorbent core 4, similarly, the translot 44a of middle section 41 and side
Position consistencies of the translot 44b in square region 45,45 in above-mentioned boundary portion on the length direction X of absorbent core 4.
That is, the translot 44a of middle section 41 and the translot 44b in side region 45,45 form the central area from absorbent core 4
Side region 45,45 continuous 1 translot 44 are arrived in domain 41, and the translot 44 extends on the whole width of absorbent core 4.Moreover,
The translot 44 on the length direction of absorbent core 4 interval and be formed with a plurality of.In other words, the low grammes per square metre of middle section 41
The low grammes per square metre portion 47 in portion 43 and side region 45 forms the low grammes per square metre continuously extended on the whole width of absorbent core 4
Portion, grammes per square metre, thickness and the density of the formation material of the absorbent core in this low grammes per square metre portion are less than the high grammes per square metre in side region 45
Portion 46.
So-called continuously to refer to from middle section to side region on translot 44, the space in translot that upside is opened exists
Uninterruptedly it is continuously present between middle section and side region from middle section to side region.In defending for present embodiment
In raw towel 1, such as shown in Fig. 2 (b), translot 44 intersects when overlooking with the crosswise of pod 50~52 described below, but is clipping
There is all or part of situation in the space in another translot in the extension in the space in the translot of the relative side of pod
Under, it is believed that translot is uninterrupted with the cross part of pod.
In addition, in a plurality of above-mentioned translot 44, on the width Y of absorbent core 4, middle section 41 with side region
Positions of the bottom 44d positioned at the upper surface S2 than side region 45 on the lower in position P1, P1 (reference picture 2 (b)) of 45 adjoinings
Put.The upper surface S2 in side region 45 mentioned here position is the position abutted with middle section 41 in side region 45
High grammes per square metre portion 46 upper surface.As shown in Fig. 2 (b), the bottom 44d of translot 44 is preferably on the width of absorbent core 4
Position in the whole region of middle section 41 positioned at the upper surface S2 than side region 45 on the lower.In this sanitary napkin 1,
The low grammes per square metre portion 43 of middle section 41 grammes per square metre and thickness compared with the high grammes per square metre portion 46 in side region 45 are smaller, thus, translot 44
In, in the whole region of the middle section 41 on the width of absorbent core 4, bottom 44d is located at than side region 45
The positions of upper surface S2 on the lower.
Whether the bottom 44d of translot 44 is located at the position of the position of the upper surface S2 than side region 45 on the lower, is logical
The bottom 44d crossed in position P1, P1 for being abutted with side region 45 for determining middle section 41 thickness and side region 45
The thickness in high grammes per square metre portion 46 judges.Specifically, first, absorbent core 4 is taken out from sanitary napkin 1, with central area
The bottom surface in domain 41 is the thickness in the high grammes per square metre portion 46 that basic point determines side region 45.The measure of thickness is carried out as follows：With
5kPa pressure was to each position pressurization 10 minutes, except size 20mm × 20mm, thickness 3mm acrylic panel are placed on into survey after weight
The non-contacting Laser Displacement meter (laser head LK-G30, displacement meter LK-GD500) determined position and manufactured using KEYENCE companies.
Then, the single-blade razor manufactured using FEATHER companies cuts the adjacent with side region 45 of middle section 41 from absorbent commodity
The determination part of bottom 44d in position P1, P1 for connecing, is pressurizeed 10 minutes with 5kPa pressure, carries out thickness immediately after except weight
Measure.The middle section of sample after except weight, absorption is placed on by size 20mm × 20mm, thickness 3mm acrylic panel
On body 3, the non-contacting Laser Displacement meter (laser head LK-G30, displacement meter LK-GD500) manufactured using KEYENCE companies is surveyed
Determine the thickness of sample.The size of the small pieces cut it is smaller and when being difficult by non-contacting Laser Displacement meter and being measured,
For example, it is possible to use microscope (VHX-1000 of KEYENCE companies manufacture) is observed with 20~100 times of multiplying power and determines above-mentioned
The section of sample after cut-out.If the survey of the bottom 44d in position P1, P1 for being abutted with side region 45 of middle section 41
Determine the thickness in the high grammes per square metre portion 46 in side region 45 of the thickness in portion calculated by more than before, then the bottom 44d of translot 44 is located at
Than the upper surface S2 in side region 45 position position on the lower.
The middle section 41 comprising protuberance 5 and a pair of sides region 45,45 are integrally formed in absorbent core 4.With utilization
The part produced in different steps is bonded to each other difference, so-called " integrally formed " by the engagement means such as bonding agent or compression
Refer to be integrally formed in one step using identical material.Thus, for example, formation protuberance in middle section 41
5 part 42u and between part 42d more below, is produced during in the absence of as overlapping separately manufactured 2 absorbent cores
The mutual adjacency section of raw layer or joint portion, in addition, the boundary portion in middle section 41 Yu side region 45,45, is also not present
Be arranged 2 absorbent cores manufactured respectively when the produced mutual adjacency section of core or joint portion.
When by the middle section 41 comprising protuberance 5 and integrally formed a pair of sides region 45,45, the liquid absorbed
With the continuity that can successfully move.The manufacture method to the absorbent core of such a construction is illustrated below.
In addition, absorbent core 4 is in any one of middle section 41 and side region 45, translot and described below is utilized
Pod presence and make skin abutment face that there is concaveconvex shape, on the other hand make non-skin abutment face side turn into it is flat.
According to the sanitary napkin 1 of present embodiment, in the formation translot 44 of middle section 41 with protuberance 5, the translot 44
Depth is deeper, and bottom 44d reaches the position deeper than the upper surface S2 in side region 45, and extends to side from middle section 41
Region 45, moreover, the translot 44 is formed by reducing the grammes per square metre of the formation material of absorbent core, therefore, even if with usual
The protuberance 5 of bending is easily hindered, is also imbued with morphotropism, gauffer is not likely to produce in skin abutment face.Therefore, as shown in figure 4, energy
Reach the fluid drainage portion with the protrusion 11 for simultaneously making protuberance 5 and being formed using it along wearer, gluteal fold to deform, simultaneously make
Global shape is deformed according to the mode that the body shape of wearer is deformed, relative to body it is concavo-convex it is conformable it is excellent simultaneously
And relative to movable the following of wearer, morphotropism is excellent, is difficult the folding line due to gauffer or absorbent core and causes discomfort
Sense.
If the bottom 44d of translot 44 is located in the whole region of the width Y of absorbent core 4 middle section 41
Than the upper surface S2 positions on the lower in side region 45, then the effect is more obvious.
Be additionally, since absorbent core be it is integrally formed, and translot 44 by reduce absorbent core formation material gram
Formed again, therefore the liquid absorbed from protuberance 5 successfully spreads in a thickness direction in middle section 41, and liquid
Easily spread near the bottom of translot 44 to other positions, the liquid being trapped near the bottom of translot 44 will not be due to pressurization
And bleed back to skin abutment face.Therefore, even if be supplied to big quantity of fluid etc., skin abutment face is not easy to residual liquid, so that
Obtain comfortable wearing feeling.
From the viewpoint of such a effect is further reliably played, the depth of the translot 44 in middle section 41 relative to
The thickness t1 of middle section 41 ratio is preferably more than 50%, and more preferably more than 60%, furthermore it is preferred that be less than 95%,
More preferably less than 90%, furthermore it is preferred that being more than 50% and less than 95%, more preferably more than 60% and less than 90%.
In addition, the width W of translot 44 is preferably more than 0.2mm, more preferably more than 0.5mm, furthermore it is preferred that for 3mm with
Under, more preferably below 2mm, furthermore it is preferred that being more than 0.2mm and below 3mm, more preferably more than 0.5mm and below 2mm.
As shown in Fig. 3 (a), the width W of translot 44 is the size on the length direction X of absorbent core.
In addition, in sanitary napkin 1, due to middle section 41 high grammes per square metre portion 42 compared with low grammes per square metre portion 43 density it is higher,
Rapidly sucked so being taken into the body fluid of translot 44 by high grammes per square metre portion 42.Therefore, because body fluid one side is passed in translot 44
Pass one side to be absorbed on the length direction of absorbent core 4, so the body fluid absorption of middle section can be carried out effectively.Knot
Really, improved from the liquid leakage inhibition of absorbent core 4.Further, since in side region 45 high grammes per square metre portion 46 with low gram
Weight portion 47 is also higher compared to density, so resulting in same effect.
In each of middle section 41 and side region 45, the density in low grammes per square metre portion is relative to adjacent high grammes per square metre portion
The ratio of density is preferably more than 5%, more preferably more than 10%, furthermore it is preferred that for less than 50%, more preferably 40% with
Under, furthermore it is preferred that being more than 5% and less than 50%, more preferably more than 10% and less than 40%.
In the absorbent core 4 of sanitary napkin 1, (a) and Fig. 2 (b) are shown as shown in Figure 1, Figure 2, in middle section 41, side region
45th, 45 and the ratio middle section 41 on length direction the more outward front and rear end regions in two ends, with pod 50~52.Center
The pod 50 in region 41 be in the same manner as above-mentioned translot 44a middle section 41 set absorbent core formation material grammes per square metre and
The low grammes per square metre that thickness is less than above-mentioned high grammes per square metre portion 42 is recalled]]]] formed by portion 48.The pod 50 of middle section 41 is without continuously
Extend to front and rear end regions.The pod 51,52 in side region 45 is to set to inhale in side region 45 in the same manner as above-mentioned translot 44b
The grammes per square metre and thickness of the formation material of the property received core are less than formed by the low grammes per square metre portion 49 in above-mentioned high grammes per square metre portion 46.
In addition, in absorbent core 4 in sanitary napkin 1, as shown in figure 1, middle section 41 on than length direction X
The more outward front and rear end regions in two ends, are formed with same with high grammes per square metre portion 46 and low grammes per square metre portion 47 in side region 45
Grammes per square metre, the high grammes per square metre portion and low grammes per square metre portion of the magnitude relationship of density and thickness, thus, form the translot with side region 45
44b identicals translot 53.
According to the sanitary napkin 1 of present embodiment, because being formed with the middle section 41 with protuberance 5 along absorbability
The pod 50 of the length direction of core 4, so protuberance 5 and the protrusion 11 formed by it can be made further with according to wearer
The mode of body shape be deformed, so as to further improve concavo-convex conformable relative to body.In addition, liquid is in
Entreat the absorbability of the thickness direction in region 41 to improve, residual liquid is less susceptible in skin abutment face.
The bottom in the pod 50 of middle section 41 is formed to abut with middle section 41 than side region 45 without being located at
Position upper surface S2 positions on the lower.That is, as shown in Fig. 2 (b), the bottom of pod 50 can be located at than side region 45
The position abutted with middle section 41 upper surface S2 positions on the lower, its bottom can also be located at and side region 45
With the upper surface S2 identicals position at the position of the adjoining of middle section 41 or than its position by the top.
The absorbent core 4 of above-mentioned sanitary napkin 1 can use the fine device manufacture of following product, and product fibre device includes：Product fibre cylinder
54, it has aggregation recess 55 in outer peripheral face, is rotated on a direction A；With conduit (not shown), it is by absorbent core
Material is formed to supply to the outer peripheral face of the fine cylinder 54 of the product with the state of dispersing.
Aggregation is formed with multiple in the circumferential direction of the outer peripheral face of the fine cylinder 54 of product at certain intervals with recess 55.Aggregation is used
The bottom surface 56 of recess 55 is formed by web plate etc., with multiple pores as suction hole function.
As shown in Fig. 5 (a), be formed with aggregation with a part for the bottom surface 56 of recess 55 has protuberance 5 for being formed
Middle section 41 recess 56a.It is configured with aggregation with the bottom of recess 55 for forming the low grammes per square metres such as low grammes per square metre portion 43,47
The difficult breathability feature 57 in portion.Difficult breathability feature 57 is fixed in the way of being protruded from aggregation with the bottom surface of recess 55, or
Non-breathable part, for example, formed by metal or plastics.
In the same manner as the fine device of known product with the fine cylinder of product, taken out by one side from aggregation with the bottom surface of recess 55
One side is inhaled to supply the formation material of absorbent core to conduit, such as shown in Fig. 5 (b), the formation material of absorbent core is to provide
Shape is deposited in aggregation recess 55.Absorbent core 4 is obtained by the way that deposit 4' is stripped from aggregation recess 55.Inhale
The property received core 4 can also be pressurizeed and appropriate before being coated by clad sheet or after cladding by being waited between a pair of rolls
Compress on ground.As shown in Fig. 5 (b), the part 43' comprising core body formation material being deposited on difficult breathability feature 57 turns into low gram
Weight portion 43 etc., the part 42' being deposited on the bottom surface without difficult breathability feature 57 turns into high grammes per square metre portion 42 etc..In addition, such as
It is upper described, pressurizeed by the middle section 41 to absorbent core 4, middle section 41 formed compared with low grammes per square metre portion 43 density compared with
High high grammes per square metre portion 42, with formed middle section 41 part differently, by being pressurizeed to side region 45, in side region 45
Form the higher high grammes per square metre portion 46 of density compared with low grammes per square metre portion 47.When manufacture includes the absorbent core of water absorbent polymer,
It is preferred that setting the introduction part of water absorbent polymer in the midway of conduit.
As positive dough sheet 2a and non-skin lateral plate 3, can use with no particular limitation with the technical field all the time
Used material identical material.For example, as positive dough sheet 2a, the non-woven fabrics with liquid permeability or perforation can be used
Film.As non-skin lateral plate 3, plastic liquid impermeability film or spunbond-melt blown-spunbond lamination nonwoven can be used
The higher water-repellancy non-woven fabrics of the water pressure resistances such as cloth.In addition, as stereo enclosure formation piece 2b, usable water pressure resistance is higher to be dialled
Aqueous non-woven fabric is such as spunbond-melt blown-spunbond lamination non-woven fabrics.
Next, to the present invention second and the 3rd the sanitary napkin of embodiment illustrate.Second and the 3rd
The structure of the absorbent core of the sanitary napkin of embodiment is different from first embodiment.On second and the 3rd embodiment party
Formula, the main pair of point different from first embodiment is illustrated, and is marked identical reference to identical point and omitted
Explanation.For not specifically mentioned point, the explanation on first embodiment is suitably applied.
As shown in Fig. 6, Fig. 7 (a) and Fig. 7 (b), in the absorbent core 4A in the sanitary napkin of second embodiment,
Protuberance 5 has the inclined side 41S for going to decline from the central portion 41M of middle section 41 to side region 45,45.Inclined side
41S is formed at the both sides of the length direction of protuberance 5.As shown in Fig. 7 (a), protuberance 5 has flat central portion 41M, and
It is linear inclined side 41S to have section in central portion 41M both sides.Between central portion 41M and inclined side 41S
The boundary portion in corner, inclined side 41S and side region 45, with can also not having corner via the curved surface that section is arc-shaped
It is gently continuous.In addition, inclined side 41S can also have the bending of protrusion in skin abutment face or non-skin abutment face side
Cross sectional shape.
According to the sanitary napkin of second embodiment, the phase of sanitary napkin 1 with first embodiment can not only be played
Same effect, and by the way that following effects can also be played with inclined side 41S.That is, the boundary portion with side region 45 is held
Easily from inclined side 41S to non-skin abutment face lateral bend, the of a relatively high central portion 41M of rigidity can shape do not change
Lifting, so as to easily follow body, therefore is favourable from the viewpoint of conformable and raising wearing feeling is improved.
In the translot 44 of absorbent core 4A in second embodiment, on absorbent core 4A width Y, central area
The position P1, the P1 that are abutted with side region 45 in domain 41 bottom 44d be located at than side region 45 upper surface S2 on the lower
Position, on the other hand, the bottom of the translot 44 in the central portion 41M of middle section 41 are located at the upper surface S2 than side region 45
Position closer to the top.
Absorbent core 4A in second embodiment, except being arranged at the recess 56a formation of aggregation recess 55 with inclining
The corresponding inclined planes of prism 41S, and the height component for protruding the bottom surface from aggregation recess 55 of difficult breathability feature
Outside difference, it can be manufactured by the method same with the manufacture method of the absorbent core 4 of first embodiment.
In absorbent core 4B in the sanitary napkin of 3rd embodiment, shown in such as Fig. 8, Fig. 9 (a) and Fig. 9 (b),
Absorbent core 4B thickness is on absorbent core 4B width Y from the central portion 41M of middle section 41 to absorbent core
4B width Y two ends are gone to be gradually reduced.More specifically, absorbent core 4B is from fluid drainage portion counterpart B to rear
In the scope of a square portion C part, with the central portion 41M that skin abutment face is flat, thickness is around central portion 41M to suction
The periphery of the property received core goes to be gradually reduced.As absorbent core 4B, being not present in the skin abutment face of absorbent core can
When clearly dividing protuberance 5 and the inclined drastically changing section in side region 45 of middle section 41, such as Fig. 9 (a) and Fig. 9
(b) shown in, by the width Y of the absorbent core decile of length 3 using its central region as middle section 41, it will be located at
The part of the both sides of the middle section 41 is used as side region 45,45.The absorbent core 4B of 3rd embodiment is entering like this
When row is divided, there is middle section inclined side 41S in middle section 41, there is side regional dip in side region 45,45
Side 45S.
According to the 3rd embodiment, not only play the identical effect of sanitary napkin 1 with first embodiment, and by
Middle section 41 and side region 45 set the two ends of from the width Y to absorbent core 4B to go the gradient being gradually reduced, also
Following effects can be played.That is, using the inclination in middle section 41 and side region 45, absorbent core 4B is easily abutted with skin
Surface side protrusion, the mode of non-skin abutment face side depression are bent, and the of a relatively high central portion 41M of rigidity shape can be made not produce
Changing lifting, so as to easily follow body, therefore is favourable from the viewpoint of conformable and raising wearing feeling is improved.
More than, based on of the invention, preferred embodiment the present invention is described, but the present invention is not restricted to
Above-mentioned embodiment.
For example, being formed with absorbent core in the first~the 3rd embodiment on the length direction of the absorbent core
The pod of extension, but it is also possible to do not form pod.In addition it is also possible to set the pod in middle section, and it is not provided with side region
Pod in domain, in contrast, can also be not provided with the pod in middle section, and set the pod in the region of side.
In addition, the liquid of absorbent commodity can be made only in from middle section 41 to the continuous translot 44 in side region 45
Excretory portion counterpart, can also be made only in rear portion.
In addition, in the absorbent core 4A of second embodiment, be arranged at the recess 56a formation of aggregation recess 55 with
The corresponding inclined planes of inclined side 41S, and inclined side 41S is formed, still, the thickness of middle section 41 can also be by system
Produce on the width Y of absorbent core 4 after uniform absorbent core, to middle section 41 and side area adjacency
Position, which carries out pressurization, makes it compress and be formed.
In addition, absorbent core can be formed only by fibrous materials such as paper pulp fibers, fibrous material and high suction can also be included
Both waterborne polymerics., can be with no particular limitation using in sanitary napkin or defending all the time as fibrous material
The various fibrous materials used in the absorbers of absorbent commodity such as raw protection pad, disposable diaper, such as using paper pulp fiber, people
Make chopped fibers of synthetic fibers such as the chopped fiber or polyethylene of the cellulosic fibres such as (rayon) fiber, cotton fiber etc..These
Fiber can be used alone a kind or combine two or more and use.In addition, preferred all or part of of fibrous material is paper pulp fiber,
The ratio of paper pulp fiber in fibrous material is preferably 50~100 mass %, more preferably 80~100 mass %, and then preferably
For 100 mass %.In addition, in absorbent core, in addition to high water absorbency polymer, deodorant can be also used cooperatively as needed
Or antiseptic etc..
In addition, in the above-described embodiment, high grammes per square metre portion density is higher compared with low grammes per square metre portion, but it is also possible to by omitting
The pressurization steps of absorbent core and both density is set to identical.
In addition, the absorbent commodity of the present invention is in addition to sanitary napkin, or panty liner (vaginal secretion
Thing protection pad), incontinence protection, other absorbent commodities such as disposable diaper.Explanation clipped in said one embodiment
The key element only included in one embodiment can be respectively suitable for other embodiment, in addition, in each embodiment
Key element being capable of the suitably phase double replacement between embodiment.
It is of the invention and then disclose following absorbent commodity on above-mentioned embodiment.
A kind of absorbent commodities of the ＞ of ＜ 1, it is included in the absorbability of shape longer on the fore-and-aft direction of absorbent commodity
In core, the absorbent commodity, above-mentioned absorbent core includes middle section and the side region positioned at its both sides in the width direction
Domain, the middle section has in the protuberance just protruded more up than the respective upper surface in side region, above-mentioned absorbent core
Above-mentioned middle section and above-mentioned side region are integrally formed, in the skin abutment face of above-mentioned absorbent core, along the absorbent core
Multiple translots of width be continuously formed respectively from above-mentioned middle section to above-mentioned side region, above-mentioned translot is by subtracting
The grammes per square metre of the formation material of small absorbent core and formed, and in the translot, above-mentioned middle section with above-mentioned side area adjacency
Position bottom, positioned at the position of the upper surface than the side region on the lower.
For example above-mentioned ＞ of ＜ 1 of the ＞ of ＜ 2 absorbent commodity, wherein, in the middle section of above-mentioned absorbent core, high grammes per square metre portion with
The low grammes per square metre portion for forming the bottom of above-mentioned translot is alternately formed on the length direction of absorbent core.
The ＞ of the ＜ 3 for example above-mentioned ＞ of the ＜ 1 or ＞ of ＜ 2 absorbent commodity, wherein, the bottom of above-mentioned translot is in above-mentioned absorbent core
Width on above-mentioned middle section whole region in, positioned at the above-mentioned upper surface than above-mentioned side region on the lower
Position.
Any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 3 of the ＞ of ＜ 4 absorbent commodity, wherein, it is formed with above-mentioned middle section
Along the pod of the length direction of above-mentioned absorbent core.
Any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 4 of the ＞ of ＜ 5 absorbent commodity, wherein, above-mentioned protuberance is from fluid drainage
A part of portion's counterpart formation to rear portion.
Any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 5 of the ＞ of ＜ 6 absorbent commodity, wherein, above-mentioned protuberance is included from above-mentioned
The inclined side that the central portion of middle section goes to decline to above-mentioned side region domain.
Any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 5 of the ＞ of ＜ 7 absorbent commodity, wherein, the thickness of above-mentioned absorbent core from
The two ends of the central portion of above-mentioned middle section to the width of the absorbent core are gone to be gradually reduced.
The ＞ of ＜ 8 such as any one of ＞ of the ＞ of ＜ 1 to ＜ 7 absorbent commodity, wherein, in the central area of above-mentioned absorbent core
Domain, the ratio of the grammes per square metre of the grammes per square metre relative to above-mentioned high grammes per square metre portion in above-mentioned low grammes per square metre portion is less than more than 5% 80%.
Any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 8 of the ＞ of ＜ 9 absorbent commodity, wherein, the central area of above-mentioned absorbent core
Grammes per square metre in domain, is 200~800g/m in high grammes per square metre portion2, it is 10~400g/m in low grammes per square metre portion2。
Any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 9 of the ＞ of ＜ 10 absorbent commodity, wherein, in above-mentioned absorbent core
Region is entreated, above-mentioned high grammes per square metre portion is compared to above-mentioned low grammes per square metre portion, and the density of absorption piece is higher.
Any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 10 of the ＞ of ＜ 11 absorbent commodity, wherein, in above-mentioned absorbent core
Region is entreated, the ratio of the thickness of the thickness relative to high grammes per square metre portion in low grammes per square metre portion is less than more than 5% 50%.
Any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 11 of the ＞ of ＜ 12 absorbent commodity, wherein, in the side of above-mentioned absorbent core
Square region, the ratio of the grammes per square metre of the grammes per square metre relative to high grammes per square metre portion in low grammes per square metre portion is less than more than 5% 50%.
Any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 12 of the ＞ of ＜ 13 absorbent commodity, wherein, the side of above-mentioned absorbent core
Grammes per square metre in region, is 50~400g/m in high grammes per square metre portion2, it is 2.5~200g/m in low grammes per square metre portion2。
Any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 13 of the ＞ of ＜ 14 absorbent commodity, wherein, in the side of above-mentioned absorbent core
Square region, the ratio of the thickness of the thickness relative to high grammes per square metre portion in low grammes per square metre portion is less than more than 5% 50%.
Any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 14 of the ＞ of ＜ 15 absorbent commodity, wherein, in the side of above-mentioned absorbent core
Square region, the thickness in high grammes per square metre portion is more than 0.8mm below 5mm, and the thickness in low grammes per square metre portion is more than 0.04mm below 0.4mm.
Any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 15 of the ＞ of ＜ 16 absorbent commodity, wherein, the thickness of middle section is relative
In side region thickness ratio be less than more than 110% 400%.
Any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 16 of the ＞ of ＜ 17 absorbent commodity, wherein, translot in middle section
Depth is less than more than 50% 95% relative to the ratio of the thickness of middle section.
Any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 17 of the ＞ of ＜ 18 absorbent commodity, wherein, the width of translot for 0.2~
3mm。
Any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 18 of the ＞ of ＜ 19 absorbent commodity, wherein, absorbent core is in middle section
With side region any one in, skin abutment face is respectively provided with concaveconvex shape, and non-skin abutment face side is all formed as flat.
Any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 19 of the ＞ of ＜ 20 absorbent commodity, wherein, above-mentioned protuberance is arranged in liquid
In any one for letting out portion's counterpart and rear portion, the height protruded from the upper surface in side region is whole relative to middle section
The ratio of thickness is less than more than 20% 90%.
Any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 20 of the ＞ of ＜ 21 absorbent commodity, wherein, the width phase of above-mentioned protuberance
Ratio for the whole width of absorbent core is less than more than 20% 80%.
Any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 21 of the ＞ of ＜ 22 absorbent commodity, it is included from above-mentioned absorbent core
A pair of flank sections that both side edges are extended.
Any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 22 of the ＞ of ＜ 23 absorbent commodity, wherein, above-mentioned absorbent core is to include
The fiber assembly of fibrous material or the structure that high water absorbency polymer is maintained between the fiber of the fiber assembly.
For example above-mentioned ＞ of ＜ 23 of the ＞ of ＜ 24 absorbent commodity, wherein, all or part of of above-mentioned fibrous material is paper pulp
Fiber.
The ＞ of the ＜ 25 for example above-mentioned ＞ of the ＜ 23 or ＞ of ＜ 24 absorbent commodity, wherein, above-mentioned absorbent core is coated by clad sheet
Its upper and lower surface.
For example above-mentioned ＞ of ＜ 25 of the ＞ of ＜ 26 absorbent commodity, wherein, above-mentioned clad sheet includes cotton paper or water penetration non-woven fabrics.
The ＞ of ＜ 27 such as any one of ＞ of the ＞ of ＜ 1 to ＜ 26 absorbent commodity, wherein, above-mentioned absorbent commodity is used for physiology
Sanitary napkin.
Industrial utilizability
It is concavo-convex conformable excellent and relative to wearer relative to body according to the absorbent commodity of the present invention
Activity follows that morphotropism is excellent, and the sense of discomfort because of caused by the folding line of gauffer or absorbent core is not easily caused.In addition, from protrusion
The liquid that portion absorbs by being absorbed and being reached the bottom of translot rapidly to translot internal penetration, bottom backward with translot
The adjacency section transfer of the bottom of the translot higher compared to the density of absorbing material, therefore be difficult to be trapped near the bottom of translot,
So as to be not easy to produce bleeding back to skin abutment face.
Claims (30)
1. a kind of absorbent commodity, it is included in the absorbent core of shape longer on the fore-and-aft direction of absorbent commodity, the suction
The property received article is characterised by：
The absorbent core includes middle section and the side region positioned at its both sides, middle section tool in the width direction
There is the protuberance just protruded more up than the respective upper surface in side region,
Middle section described in the absorbent core and the side region are integrally formed,
In the skin abutment face of the absorbent core, along the absorbent core width multiple translots respectively from described
Centre region is continuously formed to the side region,
The translot is formed by reducing the grammes per square metre of the formation material of absorbent core, and in the translot, the middle section
With the bottom at the position of the side area adjacency, positioned at the position of the upper surface than the side region on the lower.
2. absorbent commodity as claimed in claim 1, it is characterised in that：
The middle section has：Form the low grammes per square metre portion of the bottom of the translot；With big high in low grammes per square metre portion described in grammes per square metre ratio
Grammes per square metre portion.
3. absorbent commodity as claimed in claim 2, it is characterised in that：
In the middle section of the absorbent core, the high grammes per square metre portion is with the low grammes per square metre portion on the length direction of absorbent core
Alternately form.
4. absorbent commodity as claimed in claim 3, it is characterised in that：
In the whole region of the middle section of the bottom of the translot on the width of the absorbent core, positioned at than
The position of the upper surface in the side region on the lower.
5. absorbent commodity as claimed in claim 1, it is characterised in that：
In the whole region of the middle section of the bottom of the translot on the width of the absorbent core, positioned at than
The position of the upper surface in the side region on the lower.
6. the absorbent commodity as described in claim 1 or 3, it is characterised in that：
The pod of the length direction along the absorbent core is formed with the middle section.
7. absorbent commodity as claimed in claim 1, it is characterised in that：
With absorbent main body, the absorbent main body includes：The fluid drainage portion being oppositely disposed with the fluid drainage portion of wearer
Counterpart；Configure than front part of the fluid drainage portion counterpart by the position of the veutro of wearer；Arranged with configuration than liquid
Rear portion of portion's counterpart by the position of the dorsal part of wearer is let out,
A part of the protuberance from the formation of fluid drainage portion counterpart to rear portion.
8. the absorbent commodity as described in claim 1 or 3, it is characterised in that：
The protuberance includes the inclined side for going to decline from the central portion of the middle section to the side region.
9. the absorbent commodity as described in claim 1 or 3, it is characterised in that：
The two ends of the thickness of the absorbent core from central portion to the width of the absorbent core of the middle section go by
It is decrescence small.
10. absorbent commodity as claimed in claim 2, it is characterised in that：
In the middle section of the absorbent core, the ratio of the grammes per square metre of the grammes per square metre relative to the high grammes per square metre portion in the low grammes per square metre portion
For less than more than 5% 80%.
11. absorbent commodity as claimed in claim 10, it is characterised in that：
Grammes per square metre in the middle section of the absorbent core, is 200~800g/m in high grammes per square metre portion2, it is 10 in low grammes per square metre portion
~400g/m2。
12. absorbent commodity as claimed in claim 2, it is characterised in that：
In the middle section, the density of high grammes per square metre portion absorbing material compared with the low grammes per square metre portion is higher.
13. absorbent commodity as claimed in claim 4, it is characterised in that：
In the middle section, the density of high grammes per square metre portion absorbing material compared with the low grammes per square metre portion is higher.
14. absorbent commodity as claimed in claim 3, it is characterised in that：
In the middle section of the absorbent core, the ratio of the thickness of the thickness relative to high grammes per square metre portion in low grammes per square metre portion for 5% with
Upper less than 50%.
15. absorbent commodity as claimed in claim 14, it is characterised in that：
The side region has：Form the low grammes per square metre portion of the bottom of the translot；With high grammes per square metre portion,
In the side region of the absorbent core, the ratio of the grammes per square metre of the grammes per square metre relative to high grammes per square metre portion in low grammes per square metre portion for 5% with
Upper less than 50%.
16. absorbent commodity as claimed in claim 15, it is characterised in that：
Grammes per square metre in the side region of the absorbent core, is 50~400g/m in the high grammes per square metre portion2, in the low grammes per square metre
It is 2.5~200g/m in portion2。
17. absorbent commodity as claimed in claim 16, it is characterised in that：
In the side region of the absorbent core, the ratio of the thickness of the thickness relative to the high grammes per square metre portion in the low grammes per square metre portion
For less than more than 5% 50%.
18. absorbent commodity as claimed in claim 17, it is characterised in that：
In the side region of the absorbent core, the thickness in the high grammes per square metre portion is more than 0.8mm below 5mm, the low grammes per square metre
The thickness in portion is more than 0.04mm below 0.4mm.
19. absorbent commodity as claimed in claim 18, it is characterised in that：
The thickness of the middle section is less than more than 110% 400% relative to the ratio of the thickness in the side region.
20. absorbent commodity as claimed in claim 19, it is characterised in that：
The depth of the translot in the middle section is more than 50% 95% relative to the ratio of the thickness of the middle section
Below.
21. absorbent commodity as claimed in claim 20, it is characterised in that：
The width of the translot is 0.2~3mm.
22. absorbent commodity as claimed in claim 6, it is characterised in that：
The absorbent core utilizes the translot and the pod in any one of the middle section and the side region
Presence and skin abutment face is respectively provided with concaveconvex shape, non-skin abutment face side is all formed as flat.
23. absorbent commodity as claimed in claim 1, it is characterised in that：
With absorbent main body, the absorbent main body includes：The fluid drainage portion being oppositely disposed with the fluid drainage portion of wearer
Counterpart；Configure than front part of the fluid drainage portion counterpart by the position of the veutro of wearer；Arranged with configuration than liquid
Rear portion of portion's counterpart by the position of the dorsal part of wearer is let out,
The protuberance is protruded in any one of fluid drainage portion counterpart and rear portion from the upper surface in the side region
The ratio of whole thickness of the height relative to the middle section be less than more than 20% 90%.
24. the absorbent commodity as described in claim 1 or 3, it is characterised in that：
The width of the protuberance is less than more than 20% 80% relative to the ratio of the whole width of the absorbent core.
25. the absorbent commodity as described in claim 7 or 23, it is characterised in that：
The absorbent commodity includes a pair of the flank sections extended from the both side edges of the absorbent core.
26. the absorbent commodity as described in claim 1 or 3, it is characterised in that：
The absorbent core is the fiber assembly comprising fibrous material or maintains height between the fiber of the fiber assembly
The structure of water absorbent polymer.
27. absorbent commodity as claimed in claim 26, it is characterised in that：
All or part of of the fibrous material is paper pulp fiber.
28. absorbent commodity as claimed in claim 27, it is characterised in that：
The absorbent core coats its upper and lower surface by clad sheet.
29. absorbent commodity as claimed in claim 28, it is characterised in that：
The clad sheet includes cotton paper or water penetration non-woven fabrics.
30. the absorbent commodity as described in claim 1 or 3, it is characterised in that：
The absorbent commodity is sanitary napkin.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-258313 | 2012-11-27 | ||
| JP2012258313A JP5604500B2 (en) | 2012-11-27 | 2012-11-27 | Absorbent articles |
| PCT/JP2013/076861 WO2014083934A1 (en) | 2012-11-27 | 2013-10-02 | Absorptive article |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104768508A CN104768508A (en) | 2015-07-08 |
| CN104768508B true CN104768508B (en) | 2017-08-15 |
Family
ID=50827580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380056845.6A Active CN104768508B (en) | 2012-11-27 | 2013-10-02 | Absorbent commodity |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP5604500B2 (en) |
| CN (1) | CN104768508B (en) |
| RU (1) | RU2584524C1 (en) |
| TW (1) | TWI519281B (en) |
| WO (1) | WO2014083934A1 (en) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6181027B2 (en) * | 2014-10-30 | 2017-08-16 | 花王株式会社 | Absorbent articles |
| WO2016118405A1 (en) | 2015-01-23 | 2016-07-28 | Kimberly-Clark Worldwide, Inc. | Bridged absorbent structure |
| JP6563672B2 (en) * | 2015-04-14 | 2019-08-21 | 花王株式会社 | Absorbent articles |
| JP6387898B2 (en) * | 2015-05-15 | 2018-09-12 | 王子ホールディングス株式会社 | Absorbent articles |
| JP6141392B2 (en) * | 2015-11-12 | 2017-06-07 | ユニ・チャーム株式会社 | Absorbent articles |
| JP6646441B2 (en) * | 2015-12-28 | 2020-02-14 | 花王株式会社 | Absorbent articles |
| JP6788978B2 (en) * | 2016-03-01 | 2020-11-25 | 花王株式会社 | Absorbent article |
| MY185821A (en) * | 2016-05-20 | 2021-06-10 | Kao Corp | Absorbent article |
| JP6674326B2 (en) * | 2016-06-03 | 2020-04-01 | 花王株式会社 | Absorbent articles |
| JP2017217078A (en) * | 2016-06-03 | 2017-12-14 | 花王株式会社 | Absorbent article |
| JP6886798B2 (en) * | 2016-10-25 | 2021-06-16 | 花王株式会社 | Absorbent article |
| JP6360540B2 (en) * | 2016-11-29 | 2018-07-18 | 大王製紙株式会社 | Absorbent articles |
| CN109069324B (en) * | 2016-12-26 | 2020-10-23 | 花王株式会社 | Absorbent article |
| US11266542B2 (en) | 2017-11-06 | 2022-03-08 | The Procter & Gamble Company | Absorbent article with conforming features |
| CN110913818B (en) * | 2018-07-05 | 2022-05-17 | 花王株式会社 | Absorbent article |
| JP6506484B1 (en) * | 2018-07-05 | 2019-04-24 | 花王株式会社 | Absorbent articles |
| WO2020008609A1 (en) * | 2018-07-05 | 2020-01-09 | 花王株式会社 | Absorbent article |
| JP7125310B2 (en) * | 2018-09-04 | 2022-08-24 | 花王株式会社 | Pad type absorbent article |
| WO2020130959A1 (en) * | 2018-12-20 | 2020-06-25 | Evyap Sabun Yag Gliserin Sanayi Ve Ticaret Anonim Sirketi | Optimized absorbent core layer for hygiene products |
| JP6518393B1 (en) * | 2019-03-04 | 2019-05-22 | 花王株式会社 | Absorbent articles |
| CN110179594A (en) * | 2019-05-31 | 2019-08-30 | 重庆百亚卫生用品股份有限公司 | A kind of absorption-type core |
| IT201900009123A1 (en) * | 2019-06-17 | 2020-12-17 | Gdm Spa | Device for forming an absorbent pad for a hygienic absorbent article |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4758240A (en) * | 1985-08-05 | 1988-07-19 | Glassman Jacob A | Anantomical sanitary and incontinent pads |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE519513C2 (en) * | 2001-07-03 | 2003-03-11 | Sca Hygiene Prod Ab | Absorbent articles and ways of making an absorbent article of pants-like form |
| RU2301051C2 (en) * | 2005-04-12 | 2007-06-20 | Ирина Ивановна Аксентьева | Absorbing hygienic bandage |
| RU2305536C1 (en) * | 2006-06-16 | 2007-09-10 | Марият Мурадалиевна Мухина | Acupuncture device |
| JP2012120707A (en) * | 2010-12-08 | 2012-06-28 | Kao Corp | Absorbent article |
| JP5546441B2 (en) * | 2010-12-14 | 2014-07-09 | 花王株式会社 | Absorbent articles |
-
2012
- 2012-11-27 JP JP2012258313A patent/JP5604500B2/en active Active
-
2013
- 2013-10-02 RU RU2015123691/12A patent/RU2584524C1/en active
- 2013-10-02 WO PCT/JP2013/076861 patent/WO2014083934A1/en active Application Filing
- 2013-10-02 CN CN201380056845.6A patent/CN104768508B/en active Active
- 2013-10-25 TW TW102138771A patent/TWI519281B/en active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4758240A (en) * | 1985-08-05 | 1988-07-19 | Glassman Jacob A | Anantomical sanitary and incontinent pads |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5604500B2 (en) | 2014-10-08 |
| JP2014104093A (en) | 2014-06-09 |
| TWI519281B (en) | 2016-02-01 |
| WO2014083934A1 (en) | 2014-06-05 |
| CN104768508A (en) | 2015-07-08 |
| RU2584524C1 (en) | 2016-05-20 |
| TW201431543A (en) | 2014-08-16 |
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