CN106456394B - Absorbent commodity - Google Patents
Absorbent commodity Download PDFInfo
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- CN106456394B CN106456394B CN201580033869.9A CN201580033869A CN106456394B CN 106456394 B CN106456394 B CN 106456394B CN 201580033869 A CN201580033869 A CN 201580033869A CN 106456394 B CN106456394 B CN 106456394B
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- Prior art keywords
- width
- pair
- top flat
- absorber
- junction surface
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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
-
- 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
- A61F13/51—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 outer layers
- A61F13/515—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 outer layers characterised by the interconnection of the topsheet and the backsheet
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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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- 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
The present invention provides a kind of sanitary napkin (1), and the sanitary napkin (1) includes：Absorber (2), it is used to absorb liquid；Side covering absorber (2) on top flat (3), the thickness direction of its self-priming acceptor (2)；Second (4), it is located between on thickness direction, absorber (2) and top flat (3)；And egative film (4), its opposite side being located on the thickness direction of absorber (2), wherein, the both sides of top flat (3) in the direction of the width have the reflex part (32) turned back, the top (320a) of reflex part (32) is located between absorber (2) and egative film (5) in a thickness direction, in middle section (1a) at least in the longitudinal direction, the both ends on the width of second (4) are located between absorber (2) and top flat (3) in the direction of the width.
Description
Technical field
The present invention relates to a kind of absorbent commodity.
Background technology
In the past, it is known as absorbent commodity to have sanitary napkin.For example, in patent document 1, disclosing one kind
The sanitary napkin of the absorber of surfacing, leakproofing material and liquid retainability including liquid permeability, the liquid permeability
Surfacing is in contact with skin, can be passed through for body fluid such as menses, the leakproofing material is in contact with shorts, for preventing body fluid
Leakage, the absorber of the liquid retainability is between surfacing and leakproofing material.
In the sanitary napkin, surfacing directly coats skin contact surface side and the side of absorber, non-
Skin contact surface side, surfacing is fixed with absorber and leakproofing material respectively by fixative.That is, the skin contact of absorber
Surface side and side are covered by surfacing, and the non-skin contact surface side of absorber is covered by leakproofing material.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 7-184957
The content of the invention
Problems to be solved by the invention
In the sanitary napkin described in patent document 1, when wearing, when the two legs application width side from user
During upward power, absorber collapses under pressure, and two legs can be directly by the abutting pressure from the absorber harder than surfacing.Its
As a result, user feels the indisposed sense brought to hip crotch, and wearing property is possible to be deteriorated.
The present invention be in view of problem as described above and make, its object is to can suppress to give hip crotch there is provided one kind
The indisposed sense that brings and the absorbent commodity for improving wearing property.
The solution used to solve the problem
For realizing that the main technical scheme of above-mentioned purpose provides a kind of absorbent commodity, it has length direction, width
Direction and thickness direction are spent, the absorbent commodity includes：Absorber, it is used to absorb liquid；Top flat, it is from the absorber
The thickness direction on side cover the absorber；Second, it is located on the thickness direction, absorber
Between the top flat；And egative film, its opposite side being located on the thickness direction of the absorber, the absorbent commodity
It is characterised by, both sides of the top flat on the width have the reflex part turned back, the top of the reflex part
End is located between the absorber and the egative film on the thickness direction, the middle section at least on the length direction
In, the both ends on the width of described second are located at the absorber and the top flat on the width
Between., can clear and definite other features of the invention according to the record of this specification and appended accompanying drawing.
The effect of invention
Using the present invention, it can suppress to improve wearing to the indisposed sense that hip crotch is brought.
Brief description of the drawings
Fig. 1 is the approximate vertical view of the sanitary napkin of embodiments of the present invention from the skin side on thickness direction.
Fig. 2 is the approximate vertical view of the sanitary napkin from the non-skin side on thickness direction.
Fig. 3 A are the sectional views along Fig. 1 IIIA-IIIA lines, and Fig. 3 B are the sectional views along Fig. 1 IIIB-IIIB lines.
Fig. 4 is the outline for representing the 4th central joint, the 4th front junction surface and the position relationship at the 4th rear junction surface
Top view.
Embodiment
According to the record of this specification and appended accompanying drawing, following item can be at least specified.
It is clear that there is provided a kind of absorbent commodity, it has length direction, width and thickness direction, the suction
The property received article includes：Absorber, it is used to absorb liquid；Side on top flat, its described thickness direction from the absorber
Cover the absorber；Second, it is located between on the thickness direction, absorber and the top flat；And bottom
Piece, its located at the absorber the thickness direction on opposite side, wherein, the top flat on the width two
Side has the reflex part turned back, and the top of the reflex part is located at the absorber and the bottom on the thickness direction
Between piece, in the middle section at least on the length direction, the both ends on the width of described second exist
It is located on the width between the absorber and the top flat.
Thus, in the middle section on the higher length direction of the frequency contacted with two legs, the both ends of second exist
On width be located between absorber and top flat, therefore, two legs can by before the contact of absorber by
To reflex part and the contact at the both ends of second from the top flat more soft than absorber, without directly by from
The contact of absorber.Therefore, it is possible to relax the contact from absorber that two legs are subject to, so as to suppress to give hip crotch band
The indisposed sense come, is favorably improved the wearing of absorbent commodity.
It is desirable that, in the absorbent commodity, the both ends of described second include the region being folded back.
Thus, two legs can be pressed from the region being folded back with the big face of the both ends of the surface than second by contact
Power, therefore, compared with from situation of the both ends of the surface (edge) by contact, can more suppress to hip crotch bring it is indisposed
Sense.
It is desirable that, in the absorbent commodity, the absorber includes absorbent core, and the absorbent core is at least described
The narrowing portion that middle section has to the inner side constriction on the width.
Thus, in middle section, the distance on the width untill playing absorbent core from the reflex part of top flat becomes
It is long, it can suppress to be immediately exposed to come after two legs are by the reflex part from top flat and the contact at the both ends of second
The state of affairs as the contact of self-absorption core, so as to relax the contact from absorbent core that two legs are subject to.
It is desirable that, in the absorbent commodity, the reflex part be the top flat is turned back by using the line that turns back and
Formed, for by any two component phase mutual connection in the absorber, the top flat, described second and the egative film
Junction altogether is in than the position of the line by the inner side on the width of turning back.
Thus, in the reflex part of top flat, the increase of the free degree of fiber, therefore, when using absorbent commodity, two legs by
Sense of touch improve, the indisposed sense brought to hip crotch can be suppressed.
It is desirable that, in the absorbent commodity, for by the top flat and it is described second in the thickness direction
The articulate junction is in position of the both ends than described second by the inner side on the width.
Thus, in the reflex part of top flat and the both ends of second, because top flat and second do not connect in a thickness direction
Altogether, therefore, the free degree increase of fiber, when using absorbent commodity, the sense of touch that two legs are subject to improves, and can more press down
Make the indisposed sense brought to hip crotch.
It is desirable that, in the absorbent commodity, the top ends of the reflex part of the top flat described by absorbing
Junction surface described in a pair arranged between body and the egative film along the width is engaged in described on the thickness direction
The part and the pair of junction surface in front region on egative film, the length direction at the pair of junction surface
The length direction on rear area in part be respectively positioned in the middle section than the pair of junction surface
Part by the outside on the width position.
Thus, in the higher middle section of the frequency that two legs are contacted, a pair of engaging portion is located at a pair than front region
The a pair of engaging portion of junction surface and rear area is by the position on the inside of width, therefore, it is possible to be ensured with larger region
The part suitable with the reflex part of the top flat more soft than absorber, so as to relax the contacting from absorber that two legs are subject to
Pressure.On the other hand, a pair of engaging portion in a pair of engaging portion and rear area in front region is located at than middle section
A pair of engaging portion is by the position on the outside of width, therefore, it is possible to further ensure that the face by skin side for absorbing liquid is put down
Face shape.
It is desirable that, in the absorbent commodity, the absorber includes absorbent core, and the absorbent core is at least described
The narrowing portion that middle section has to the inner side constriction on the width, the front at the pair of junction surface
The constriction that at least one end in the inner part in the part in region is configured at the narrowing portion on the length direction starts
Position is configured at position than the constriction starting position in the inner part, the rear area at the pair of junction surface
At least one end in the inner part in part be configured on the length direction narrowing portion constriction starting position or
It is configured at the position in the inner part than the constriction starting position.
Thus, due to front region a pair of engaging portion and rear area at least one of a pair of engaging portion it is inner
The end of side is located at the region provided with narrowing portion, therefore, from two legs to provided with narrowing portion when absorbent commodity is worn
In the case that part is applied with the power on width, the engagement between top flat and egative film is also more difficult to peel off.
It is desirable that, in the absorbent commodity, the position of the part of the front region at the pair of junction surface
At least a portion in the position with the part of the middle section at the pair of junction surface is put in the length direction
Upper overlapping, the position of the part of the rear area at the pair of junction surface is described with the pair of junction surface
At least a portion in the position of the part of middle section is overlapping on the length direction.
Thus, by the position of a pair of engaging portion that makes front region, the position of a pair of engaging portion of rear area and
The position of a pair of engaging portion of middle section is overlapped in the higher middle section side of the frequency contacted with two legs in the longitudinal direction,
In the case of the power on width is applied with from two legs when absorbent commodity is worn, the engagement between top flat and egative film
Also it is difficult to peel off.
It is desirable that, in the absorbent commodity, the egative film has lateral plate in the middle section, the lateral plate is with than institute
The mode that the reflex part of top flat extends to the outside on the width is stated to be formed.
Thus, the extension (part for egative film) for being used to be formed alar part of lateral plate is not engaged in top flat, therefore, is inciting somebody to action
When the extension is rolled over to the non-skin lateral bending on thickness direction and is worn on underwear, top flat can be avoided to be drawn with egative film
Such state of affairs is stretched, so as to suppress the indisposed sense brought when wearing absorbent commodity to hip crotch.
It is desirable that, in the absorbent commodity, the absorber, the top flat and described second utilize compression unit
Compress and be joined together on the thickness direction, the two-end part of described second in than the compression unit by described wide
The position in the outside spent on direction.
Thus, the both ends of second are not engaged using compression unit with absorber, top flat, therefore, second two
End, the free degree increase of fiber, the sense of touch that two legs are subject to improves, so as to more suppress the indisposed sense brought to hip crotch.
It is desirable that, in the absorbent commodity, the absorber includes absorbent core, and the absorbent core is at least described
The narrowing portion that middle section has to the inner side constriction on the width, the reflex part is will by using the line that turns back
Formed by the top flat turns back, in the position of the farthest constriction of the narrowing portion, from the institute of the absorbent core
The distance untill the outer rim on width plays the line that turns back is stated to be longer than from the width of the absorbent core
Outer rim play the outer rim on the width of the compression unit untill distance.
Thus, part, the i.e. part that the free degree of fiber is larger of the portion's of being uncompressed engagement in top flat and second exist
Than position increase of the absorbent core by the outside on width, therefore, the sense of touch that two legs are subject to improves, can more suppress to
The indisposed sense that hip crotch is brought.
Embodiment
As an example of the absorbent commodity of embodiments of the present invention, illustrate sanitary napkin 1 (below, only
Referred to as sanitary napkin 1).In addition, the absorbent commodity is also included such as so-called panty liner as protection pad, it is not limited to
Sanitary napkin.
The structure of sanitary napkin 1
Reference picture 1, Fig. 2, Fig. 3 A and Fig. 3 B illustrate the structure of sanitary napkin 1.
Fig. 1 is the approximate vertical view of the sanitary napkin 1 of the embodiments of the present invention from the skin side on thickness direction.Figure
2 be the approximate vertical view of the sanitary napkin 1 from the non-skin side on thickness direction.Fig. 3 A are the IIIA-IIIA lines along Fig. 1
Sectional view, the sectional view of IIIB-IIIB lines of Fig. 3 B along Fig. 1.
Sanitary napkin 1 is the flat member for overlooking elongate shape, with length direction, width and thickness direction.
In the following description, " length direction " represents the length direction of the product of sanitary napkin 1, and " thickness direction " represents the production of sanitary napkin 1
The direction for the thickness that product have, " width " is represented and length direction and thickness direction orthogonal short side direction.In addition,
In the longitudinal direction, using the direction of the veutro of user when using sanitary napkin 1 as " front ", by the direction of the dorsal part of user
It is used as at " rear ".In addition, thickness direction is had as that side being in contact when using sanitary napkin 1 with the skin of user
" the non-skin side " of " skin side " and opposite side as " skin side ".
As shown in Figure 3 A and Figure 3 B, sanitary napkin 1 includes：Absorber 2；Top flat 3, it is certainly as the thickness direction of absorber 2
On side skin side covering absorber 2；Second 4, it is located between on thickness direction, absorber 2 and top flat 3；With
And egative film 5, it is located at the non-skin side as the opposite side on the thickness direction of absorber 2.In the present embodiment, egative film 5
With main leaf 51 and lateral plate 52 both pieces.
In top flat 3 and second 4, absorber 2 and second 4, absorber 2 and top flat 3, top flat 3 and egative film 5, egative film 5
Main leaf 51 is joined together by bonding agents such as hot-melt adhesives respectively with lateral plate 52.As the application pattern of bonding agent, it can enumerate
Go out such as Ω patterns, spiral pattern, candy strip.
In the following description, the junction surface between top flat 3 and second 4 is set to the 1st junction surface 11, by absorber 2
The 2nd junction surface 12 is set to the junction surface between second 4, the junction surface between absorber 2 and top flat 3 is set into the 3rd engages
Portion 13, the 4th junction surface 14 is set to by the junction surface between top flat 3 and egative film 5, by between the main leaf 51 and lateral plate 52 in egative film 5
Junction surface be set to the 5th junction surface 15, the 1st junction surface 11, the 2nd junction surface 12, the 3rd junction surface 13 and the 4th is described below
The specific position relationship at junction surface 14.
In the present embodiment, as shown in Figure 1, Figure 2 and shown in Fig. 4, the outer rim of sanitary napkin 1 is formed as being connected by multiple circular arcs
Waveform shape.In addition, the center of sanitary napkin 1 in the longitudinal direction has alar part 10, the alar part 10 is used for when in use
Mounting is fixed on underwear etc. and is above provided.The alar part 10 is to be extended out towards the mode protruding outside on width
General triangular shape and be respectively arranged on the both sides on width.
On the length direction of sanitary napkin 1, the region provided with alar part 10 is set to middle section 1a, will be than middle section 1a
Region on the front is set to front region 1b, and the region than middle section 1a rearward is set into rear area 1c.In addition, not
In the case of sanitary napkin with alar part 10, region suitable with the region provided with alar part 10 in the longitudinal direction is set to center
Region 1a.
Here, reference picture 2 further illustrates boundary and the middle section between middle section 1a and front region 1b
Boundary between 1a and rear area 1c.
In alar part 10, the outermost point on width is set to summit 10a.For from the 10a of the summit
The circular arc projecting inward towards sanitary napkin 1 in the multiple circular arcs for the outer rim for conjointly forming sanitary napkin 1 forwards, will be from summit
10a sides observe successively the tangent line of the circular arc it is inclined in the case of the tangent line on circular arc inclination most start it is flat with length direction
Capable point is set to the point 10b of front side.In this case, the point 10b of a pair of the front sides arranged in the direction of the width is linked
The line got up is set to the line of demarcation (front side line of demarcation) between middle section 1a and front region 1b, than the front side line of demarcation
Region on the front turns into front region 1b.
Similarly, for the direction in the multiple circular arcs for the outer rim that sanitary napkin 1 is rearward conjointly formed from the 10a of summit
The projecting inward circular arc of sanitary napkin 1, by observed successively from summit 10a sides the tangent line of the circular arc it is inclined in the case of on circular arc
The inclination of the tangent line most starts the point 10c that the point parallel with length direction is set to rear side.In this case, will be in width
The line that the point 10c of a pair of rear sides of upper arrangement is linked up is set to the line of demarcation between middle section 1a and rear area 1c
(rear side line of demarcation), rear area 1c is turned into than the region of rear side line of demarcation rearward.
Thus, on length direction play rear side line of demarcation from front side line of demarcation untill region turn into middle section
1a.In fig. 2, the tangent line for the point 10b for being utilized respectively double dot dash line to represent a pair of front sides and the point 10c's of a pair of rear sides
Tangent line, is utilized respectively single dotted broken line to represent front side line of demarcation and rear side line of demarcation.
Absorber 2 is for absorbing the liquid such as menses and the liquid being held in internal component, such as Fig. 3 A and Fig. 3 B institutes
Show, it includes the absorbent core 21 formed by paper pulp fiber as liquidabsorbing fibres etc. and by the softness such as cotton paper
The emulsion sheet 22 of raw material formation.
Absorbent core 21 is harder than top flat 3, second piece 4 and egative film 5, with thickness.As shown in Fig. 1 and Fig. 3 A, absorbability
The center of core 21 in the longitudinal direction has the narrowing portion 210 to the inner side constriction on width.In the present embodiment, such as
Shown in Fig. 1, narrowing portion 210 is not limited to this in scope longer than middle section 1a in the longitudinal direction, is at least located at
Middle section 1a.In addition, absorber 2 must not necessarily include the absorbent core 21 with narrowing portion 210.
As shown in Figure 3 A and Figure 3 B, sandwiched in the inside of emulsion sheet 22 in the state of absorbent core 21, emulsion sheet 22
The non-skin side of both ends in a thickness direction on width coincides.In the present embodiment, due to absorbent core 21
With narrowing portion 210, therefore, as shown in Figure 3A, at least in middle section 1a, exist between emulsion sheet 22 and absorbent core 21
Space.
Top flat 3 is the liquid permeable component such as menses, and it is formed by non-woven fabrics of liquid permeability etc..In present embodiment
In, as top flat 3, using make such as 1.3dtex~2.2dtex (being preferably 1.7dtex or so) thinner fiber with as
20kg/m3~40kg/m3(it is preferably 25kg/m3~35kg/m3Left and right) density the non-woven fabrics that is combined into of mode.Thus,
The flexibility of top flat 3 is good and obtains soft skin sense of touch, and therefore, the sense of touch that skin is subject to is good.In addition, however it is not limited to
This, top flat 3 is the component at least with liquid permeability.
As shown in Figure 3 A and Figure 3 B, the both sides of top flat 3 in the direction of the width have the reflex part 32 turned back.Reflex part
32 are formed by the way that top flat 3 turns back in the line 32b that turns back.The covering absorber 2 that the line 32b that turns back is located in top flat 3 respectively
By the both sides on the width of the planar portions 31 in the face of skin side.
The top 320a of reflex part 32 is located between absorber 2 and egative film 5 in a thickness direction.In the present embodiment,
Top ends 320 containing top 320a are in a thickness direction towards the inner side on width between absorber 2 and egative film 5
(center side) extends.Top ends 320 utilize a pair of the 4th junction surfaces 14 arranged in the width direction between absorber 2 and egative film 5
Egative film 5 is engaged in a thickness direction.Thus, top flat 3 is engaged in top ends 320 with egative film 5.
Second 4 is the component that can pass through in the same manner as top flat 3 liquid such as menses, its by liquid permeability synthetic fibers nothing
Cloth etc. is spun to be formed.As shown in Figure 3 A and Figure 3 B, the both ends on the width of second 4 include the region 400 being folded back,
The region 400 being folded back is located between absorber 2 and top flat 3 in the direction of the width.
In the present embodiment, the both ends of second 4 be included in whole middle section 1a, whole front region 1b and
The region 400 being folded back in the range of whole rear area 1c, the region 400 being folded back is located in the direction of the width inhales
Between acceptor 2 and top flat 3.However it is not limited to which this, as long as at least in middle section 1a, the both ends of second 4 are in width
It is located on direction between absorber 2 and top flat 3.
Middle section 1a is the higher region of the frequency contacted when wearing sanitary napkin 1 with two legs of user.In addition, such as
It is described like that, absorber 2 be formed as than top flat 3, second piece 4 it is hard, the two leg self-priming acceptors 2 of user are by than top flat 3, second
The big contact of piece 4.
In the present embodiment, at least in middle section 1a, the both ends on the width of second 4 are in width side
It is located at upwards between absorber 2 and top flat 3, therefore, two legs can be arrived before by the contact from absorber 2
From the reflex part 32 and the contact at the both ends of second 4 of the top flat 3 more soft than absorber 2, without directly being arrived
The contact of self-priming acceptor 2, therefore, it is possible to relax the contact from absorber 2 that two legs are subject to, so as to suppress to hip
The indisposed sense that crotch is brought, is favorably improved the wearing of sanitary napkin 1.
In addition, the both ends of second 4 include the region 400 being folded back, thus, two legs can be from having than second
The region in the big face of 4 both ends of the surface is by contact, therefore, and from situation phase of the both ends of the surface (edge) by contact
Than can more suppress the indisposed sense brought to hip crotch.
Also, absorber 2 in middle section 1a with narrowing portion 210 because at least making absorbent core 21 on width
Inner side constriction, therefore, the distance on width untill playing absorbent core 21 from the reflex part 32 of top flat 3 is elongated, energy
It is enough to suppress to be immediately exposed to come after two legs are by the contact from the reflex part 32 of top flat 3 and the both ends of second 4
The state of affairs as the contact of self-absorption core 21, can relax the contact from absorbent core 21 that two legs are subject to.
As shown in Figure 3 A and Figure 3 B, absorbent core 21 with the width as second 4 it is end, be folded back
Region 400 top 400a between be provided with gap S.In the present embodiment, in middle section 1a, front region 1b and
Gap S is equipped with the whole length direction of this several person of rear area 1c, but is not limited to this, as long as at least in middle section 1a
In be provided with gap S.In addition, gap S must be not necessarily provided between the top 400a and absorbent core 21 of second 4,
But desirably it is provided with gap S.
The reason is that the sanitary napkin 1 with gap S has in a thickness direction has top flat 3 and the region of second 4
With the region for only existing top flat 3.Rigidity in the region of top flat 3 is only existed less than existing in top flat 3 and the region of second 4
Rigidly, therefore, in the case of being applied with the power on width from two legs in middle section 1a, the area of top flat 3 is only existed certainly
Domain is deformed.That is, the region of top flat 3 is only existed than there is top flat 3 and the region of second 4 is easy deforms.
Thus, compared with only existing the region of top flat 3, there is the top of second 4 and the skin side on thickness direction
The region of piece 3 is easily erected in a thickness direction, and the entire surface that can have been erected from this can be relaxed two legs by contact
The contact from top flat 3 and second 4 being subject to, so as to more suppress the indisposed sense brought to hip crotch.
As shown in figure 1, top flat 3 and second 4 using spread configuration in the direction of the width, extend along its length one
Sealing 6 is joined together in a thickness direction.As the joint method between top flat 3 and second 4, it can include for example
Welding based on pressurization compression etc..As shown in Fig. 1 and Fig. 3 A, a pair of sealings 6 be located at it is in the position provided with narrowing portion 210,
Outside on the width of narrowing portion 210.In Fig. 3 A and Fig. 3 B, it is utilized respectively husky point to represent a pair of sealings 6.This
Outside, a pair of sealings 6 are formed by the compression unit of multiple point-like, in the present embodiment, and top flat 3 and second 4 are fused to the pressure
Contracting portion.
Thus, two legs, can not only be by the folding from top flat 3 before by the contact from absorbent core 21
Return the contact at portion 32 and the both ends of second 4, additionally it is possible to by the contact from a pair of sealings 6, due to not
Can be directly by the contact from absorbent core 21, therefore, it is possible to more relax that two legs are subject to from absorbent core 21
Contact.
In addition, top flat 3 and the rigidity of second 4 are uprised at the position provided with a pair of sealings 6, therefore, exist in two legs
When on width to 1 applying power of sanitary napkin, the reflex part 32 of top flat 3 and the both ends of second 4 are easily with a pair of sealings 6
Erect or decline in a thickness direction for starting point.Thus, two legs can be erected on the comfortable thickness direction entire surface or decline
Entire surface by contact, therefore, it is possible to relax the contact from top flat 3 and second 4 that two legs are subject to so that
The indisposed sense brought to hip crotch can more be suppressed.
In addition, a pair of sealings 6 not necessarily have to be located in whole positions provided with narrowing portion 210, narrowing portion 210
Outside on width, as long as being located at least in the position of the farthest constriction of narrowing portion 210, narrowing portion 210
Width on outside.
As shown in Figure 3 A and Figure 3 B, absorber 2, top flat 3 and second 4 utilize the 1st compression unit 71 and the 2nd compression unit 72
Compress and be joined together in a thickness direction.As absorber 2, top flat 3 and second 4 compression method, it can include
For example heat embossing is processed.In the present embodiment, multiple recesses of the 1st compression unit 71 and the 2nd compression unit 72 are with constant interval
Arrangement form, but this is not limited to, it for example can also continuously be arranged by multiple recesses and be formed as groove shape.
As shown in figure 1, a pair of the 1st compression units 71 formed in the way of extending along its length are arranged in the direction of the width
Ground be located at provided with narrowing portion 210 position, be formed as heart-shaped configuration the 2nd compression unit 72 be respectively arranged on it is more forward than narrowing portion 210
Side or position rearward.
As shown in Figure 3 A and Figure 3 B, the two-end part of second 4 than the 1st compression unit 71 and the 2nd compression unit 72 in leaning on width
The position in the outside on direction.Thus, the both ends of second 4 do not utilize the 1st compression unit 71 and the 2nd compression unit 72 and absorber
2nd, top flat 3 is engaged, therefore, at the both ends of second 4, the free degree increase of fiber, and the sense of touch that two legs are subject to improves, so that
The indisposed sense brought to hip crotch can more be suppressed.In Fig. 3 A and Fig. 3 B, the 1st compression unit 71 and the 2nd is shown using shade
Compression unit 72.
In the present embodiment, as shown in figure 1, the position of the farthest constriction in narrowing portion 210, self-absorption
Outer rim on the width of core 21 plays the width for being longer than self-absorption core 21 apart from L1 untill the line 32b that turns back of top flat 3
Outer rim on direction play untill the outer rim on the width of the 1st compression unit 71 apart from L2.Thus, top flat 3 and second 4
In the part not engaged by the 1st compression unit 71, i.e. the larger part of the free degree of fiber leaning on width side than absorbent core 21
The position increase in upward outside, therefore, the sense of touch that two legs are subject to improves, and can more suppress the indisposed sense brought to hip crotch.
As shown in Figure 3 A and Figure 3 B, egative film 5 is along thickness by using the 5th junction surface 15 by main leaf 51 and a pair of lateral plates 52
Formed by direction is joined together.Main leaf 51 is formed by the film etc. that synthesizes of opaque liquid, and it most leans on non-on thickness direction
The position of skin side.A pair of lateral plates 52 are formed by soft non-woven fabrics etc., and it is located at than main leaf 51 by the skin on thickness direction
The position of side.More specifically, a pair of lateral plates 52 be configured in a thickness direction the top ends 320 of the reflex part 32 of top flat 3 with
Between main leaf 51.
A pair of lateral plates 52 are engaged in the top ends 320 of the reflex part 32 of top flat 3 using a pair of the 4th junction surfaces 14.A pair the 4th
Junction surface 14 is located at positions of the line 32b by the inner side on width of turning back than top flat 3.
As shown in Figure 3A, main leaf 51 and lateral plate 52 have the reflex part 32 than top flat 3 to width side in middle section 1a
The part that upward outside extends out, alar part 10 is formed with using the extension.
As described, because top flat 3 and egative film 5 are leaned on width using the line 32b that turns back being located at than top flat 3
A pair of the 4th junction surfaces 14 of the position of side are joined together, therefore, are leaning on outer on width than a pair of the 4th junction surfaces 14
The position of side, top flat 3 and egative film 5 are not joined together in a thickness direction.Thus, the stretching for being used to form alar part 10 of egative film 5
Part is not engaged in top flat 3.Thus, rolled over by the extension of alar part 10, i.e. egative film 5 to the non-skin lateral bending on thickness direction
And when being worn on underwear, top flat 3 can be avoided as egative film 5 is stretched such state of affairs, so as to suppress to defend in dress
The indisposed sense brought during raw towel 1 to hip crotch.
In addition, alar part 10 must not necessarily be formed by main leaf 51 and lateral plate 52, as long as at least middle section 1a, lateral plate 52
Formed in the way of the position in the outside that the reflex part 32 reached than top flat 3 is leaned on width, so as to form alar part 10 i.e.
Can.
As shown in Fig. 2 in the non-skin side of main leaf 51, the main body bonding part 16a of the banding extended along its length is set
In the part suitable with the planar portions 31 (reference picture 1) of top flat 3, and a pair of wing bonding part 16b are located at suitable with a pair of alar parts 10
Part.When using sanitary napkin 1, main body bonding part 16a is pasted on to the inner side of the lower crotch of underwear, and by a pair of alar parts 10
The outside of lower crotch is rolled over to non-skin lateral bending and is pasted on a pair of wing bonding part 16b, so that sanitary napkin 1 is fixed on into underwear.
1st junction surface 11, the 2nd junction surface 12, the position relationship of the 3rd junction surface 13 and the 4th this several person of junction surface 14
Next, reference picture 3A, Fig. 3 B and Fig. 4 illustrate the 1st junction surface 11, the 2nd junction surface 12, the 3rd junction surface 13 with
And the 4th this several person of junction surface 14 position relationship.
Fig. 4 is to represent a pair the 4th central joint 14a, a pair of the 4th front junction surface 14b and a pair of the 4th rear engagements
The approximate vertical view of portion 14c position relationship.
As shown in Figure 3 A and Figure 3 B, for by any two component in absorber 2, top flat 3, second piece 4 and egative film 5
Junction surface, i.e. the 1st junction surface 11, the 2nd junction surface 12, the 3rd junction surface 13 and the 4th junction surface 14 being bonded with each other is located at
Than positions of the line 32b by the inner side on width of turning back of top flat 3.Thus, in the reflex part 32 of top flat 3, the freedom of fiber
Degree increase, therefore, when using sanitary napkin 1, the sense of touch that two legs are subject to improves, and can suppress the indisposed sense brought to hip crotch.This
Outside, the 1st junction surface 11, the 2nd junction surface 12, the 3rd junction surface 13 and the 4th junction surface 14 not necessarily have to be located at than top flat 3
Positions of the line 32b that turns back by the inner side on width.
In addition, for by top flat 3 and second 4, articulate 1st junction surface 11 to be located at than second in a thickness direction
Position of the both ends of piece 4 by the inner side on width.Thus, at the reflex part 32 of top flat 3 and the both ends of second 4,
Because top flat 3 and second 4 are not joined together in a thickness direction, therefore, the free degree increase of fiber is using sanitary napkin 1
When, the sense of touch that two legs are subject to improves, and can more suppress the indisposed sense brought to hip crotch.
As shown in Fig. 3 A, Fig. 3 B and Fig. 4, top flat 3 and egative film 5 are connect for articulate a pair the 4th in a thickness direction
Conjunction portion 14 is respectively arranged on this 3 regions of middle section 1a, front region 1b and rear area 1c.In the following description, will
The middle section 1a at a pair of the 4th junction surfaces 14 part is set to a pair of the 4th central joint 14a, by a pair the 4th junction surfaces 14
Front region 1b part is set to a pair of the 4th front junction surface 14b, by the rear area 1c at a pair of the 4th junction surfaces 14 part
It is set to a pair of the 4th rear junction surface 14c.
A pair of the 4th central joint 14a are located at middle section 1a, a pair the 4th centers in the way of extending along its length
The one end of junction surface 14a length direction extends to front region 1b, and its other end extends to rear area 1c.A pair
4 front junction surface 14b are located at front region in the way of extending along its length towards middle section 1a sides from the end of front side
1b.A pair of the 4th rear junction surface 14c are located in the way of extending along its length towards middle section 1a sides from the end of rear side
Rear area 1c.
Thus, as shown in figure 4, a pair the 4th front junction surface 14b position and a pair of the 4th rear junction surface 14c position
Put overlapping in the longitudinal direction with least a portion in a pair of the 4th central joint 14a position.In the frequency contacted with two legs
The higher middle section 1a sides of rate, a pair the 4th front junction surface 14b position and a pair of the 4th rear junction surface 14c position
It is overlapping in the longitudinal direction with a pair of the 4th central joint 14a position, so as to be applied when sanitary napkin 1 is worn from two legs
In the case of having added the power on width, the engagement between top flat 3 and egative film 5 is also difficult to peel off.
In addition, both can be, a pair the 4th front junction surface 14b position and a pair of the 4th rear junction surface 14c position
Put it is a part of overlapping as in the present embodiment with a pair of the 4th central joint 14a position or, such as a pair the 4th
Central joint 14a is on the whole length direction of sanitary napkin 1, position overall a pair the 4th front junction surface 14b and a pair
The location overlap of position overall 4th rear junction surface 14c respectively with a pair of the 4th central joint 14a.
In addition, as shown in figure 4, a pair the 4th front junction surface 14b as the inner side on length direction it is end, in
The constriction that the end 140b of centre region 1a sides is configured at the side on the front of the narrowing portion 210 of absorbent core 21 in the longitudinal direction is opened
Beginning position 210b.Similarly, a pair of the 4th rear junction surface 14c end, the middle section as the inner side on length direction
The end 140c of 1a sides is configured at the constriction starting position 210c of the side rearward of narrowing portion 210 in the longitudinal direction.
In the present embodiment, a pair of the 4th front junction surface 14b end 140b is configured at the constriction start bit of front side
210b is put, a pair of the 4th rear junction surface 14c end 140c is configured at the constriction starting position 210c of rear side, but does not limit
In this or, a pair of the 4th front junction surface 14b end 140b is configured at the constriction starting position 210b than front side
The position of (center side) in the inner part, a pair of the 4th rear junction surface 14c end 140c is configured at the constriction start bit than rear side
Put 210c (center side) in the inner part position.
Thus, due to a pair of the 4th front junction surface 14b end 140b and a pair of the 4th rear junction surface 14c end
140c is located at the region provided with narrowing portion 210, therefore, from two legs to the portion provided with narrowing portion 210 when sanitary napkin 1 is worn
In the case of dividing the power being applied with width, the engagement between top flat 3 and egative film 5 is also more difficult to peel off.
In addition, in a pair of the 4th front junction surface 14b and a pair of the 4th rear junction surface 14c, as long as a centering is at least
End 140b, the 140c at one junction surface are configured at constriction starting position 210b, 210c or are configured at than constriction starting position
The position of 210b, 210c in the inner part.
As shown in Fig. 3 A, Fig. 3 B and Fig. 4, a pair of the 4th front junction surface 14b and a pair of the 4th rear junction surface 14c are located at
Positions of than a pair the 4th central joint 14a by the outside on width.In other words, a pair of the 4th central joints 14a
In than positions of a pair of the 4th front junction surface 14b and a pair of the 4th rear junction surface 14c by the inner side on width.
Thus, in the higher middle section 1a of the frequency contacted with two legs, a pair the 4th central joint 14a be located at than
The position for the inner side that a pair of the 4th front junction surface 14b and the 4th rear junction surface 14c are leaned on width, so as to larger
Region ensure the part suitable with the reflex part 32 of top flat 3.Therefore, two legs are by the contact from absorber 2
Before can be from the bigger face of the top flat 3 more soft than absorber 2 by contact, can relax that two legs are subject to carrys out self-absorption
The contact of body 2, contributes to the indisposed sense for suppressing to bring to hip crotch.
On the other hand, after a pair the 4th in a pair of the 4th front junction surface 14b and rear area 1c in front region 1b
Square junction surface 14c is located at positions of than a pair the 4th central joint 14a by the outside on width, thereby, it is possible to ensure to make
For face, top flat 3 the planar portions 31 (reference picture 1, Fig. 3 A and Fig. 3 B) by skin side for absorbing the liquid such as menses
Flat shape and the absorption area for further ensuring that liquid, so as to help to suppress the leakage of liquid.
===other===
Above-mentioned embodiment is recorded for ease of understanding the present invention, is not used to restrictively explain this hair
It is bright.Self-evident, the present invention can be changed on the premise of its purport is not departed from, improved, and be included in the present invention
It is equally invented.
Description of reference numerals
1st, sanitary napkin (absorbent commodity)；1a, middle section；1b, front region；1c, rear area；2nd, absorber；3、
Top flat；4th, second；5th, egative film；The junction surface (junction surface) of 11~13, the 1st junction surface~the 3rd；14th, 14a, 14b, 14c, the 4th connect
Conjunction portion (a pair of engaging portion)；21st, absorbent core；32nd, reflex part；32b, turn back line；52nd, lateral plate；71st, the 1st compression unit (compression
Portion)；72nd, the 2nd compression unit (compression unit)；140b, 140c, the end (end of inner side) of middle section side；210th, narrowing portion；
210b, 210c, constriction starting position；320th, top ends；320a, top；400th, the region being folded back.
Claims (7)
1. a kind of absorbent commodity, it has length direction, width and thickness direction, and the absorbent commodity includes：Inhale
Acceptor, it is used to absorb liquid；Side on top flat, its described thickness direction from the absorber covers the absorber；
Second, it is located between on the thickness direction, absorber and the top flat；And egative film, it inhales located at described
Opposite side on the thickness direction of acceptor, the absorbent commodity is characterised by,
Both sides of the top flat on the width have the reflex part turned back,
The top of the reflex part is located between the absorber and the egative film on the thickness direction,
The both ends of described second possess the region turned back to the side of the absorber,
In middle section at least on the length direction, the top in the region turned back of described second is described
It is located on width between the absorber and the top flat,
The absorber, the top flat and described second are compressed and engaged on the thickness direction using compression unit
Come,
The two-end part of described second in than position of the compression unit by the outside on the width,
The absorber includes absorbent core, and the absorbent core at least has on the width in the middle section
The narrowing portion of inner side constriction,
The reflex part be the top flat is turned back by using the line that turns back formed by,
In the position of the farthest constriction of the narrowing portion, outer rim from the width of the absorbent core
Distance untill playing the line that turns back, which is longer than from the outer rim on the width of the absorbent core, plays the compression
The distance untill outer rim on the width in portion.
2. absorbent commodity according to claim 1, it is characterised in that
For any two component in the absorber, the top flat, described second and the egative film to be bonded with each other
The junction got up is in than the position of the line by the inner side on the width of turning back.
3. absorbent commodity according to claim 2, it is characterised in that
For by the top flat and it is described second on the thickness direction the articulate junction in than described
Position of the both ends of second by the inner side on the width.
4. the absorbent commodity according to Claims 2 or 3, it is characterised in that
The top ends of the reflex part of the top flat are utilized between the absorber and the egative film along the width
Junction surface described in a pair of arrangement is engaged in the egative film on the thickness direction,
The part and the pair of junction surface in front region on the length direction at the pair of junction surface
The length direction on rear area in part be respectively positioned in the middle section than the pair of junction surface
Part by the outside on the width position.
5. absorbent commodity according to claim 4, it is characterised in that
The part of the front region at the pair of junction surface and the rear area at the pair of junction surface
The end in the inner part of at least one of part the constriction start bit of the narrowing portion is configured on the length direction
Put or be configured at the position in the inner part than the constriction starting position.
6. absorbent commodity according to claim 4, it is characterised in that
The position of the part of the front region at the pair of junction surface and the pair of junction surface it is described in
A part in the position of the part in centre region is overlapping on the length direction, the rear at the pair of junction surface
The position of the part in region is with the part in the position of the part of the middle section at the pair of junction surface in institute
State overlapping on length direction.
7. absorbent commodity according to claim 4, it is characterised in that
The egative film has lateral plate in the middle section, and the lateral plate is with the reflex part than the top flat to the width side
The mode that upward outside is extended is formed.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015113027A JP5978350B1 (en) | 2015-06-03 | 2015-06-03 | Absorbent articles |
| JP2015-113027 | 2015-06-03 | ||
| PCT/JP2015/073219 WO2016194244A1 (en) | 2015-06-03 | 2015-08-19 | Absorbent article |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106456394A CN106456394A (en) | 2017-02-22 |
| CN106456394B true CN106456394B (en) | 2017-09-29 |
Family
ID=56760046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580033869.9A Active CN106456394B (en) | 2015-06-03 | 2015-08-19 | Absorbent commodity |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5978350B1 (en) |
| CN (1) | CN106456394B (en) |
| TW (1) | TWI586336B (en) |
| WO (1) | WO2016194244A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111150554B (en) | 2018-11-08 | 2022-08-02 | 尤妮佳股份有限公司 | Absorbent article |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4422956A1 (en) * | 1994-06-30 | 1996-01-04 | Schickedanz Ver Papierwerk | Absorbent hygiene article for absorbing body fluids |
| US20040106910A1 (en) * | 2002-12-02 | 2004-06-03 | Vercauteren Susan M. | Dual layer absorbent structure having an intake/transfer carrier sheet and method of making |
| JP4124687B2 (en) * | 2003-03-31 | 2008-07-23 | 大王製紙株式会社 | Absorbent article and method for forming emboss in absorbent article |
| JP4754528B2 (en) * | 2007-05-28 | 2011-08-24 | ユニ・チャーム株式会社 | Absorbent articles |
| JP5317685B2 (en) * | 2008-12-25 | 2013-10-16 | ユニ・チャーム株式会社 | Absorbent articles |
| JP6116809B2 (en) * | 2012-03-22 | 2017-04-19 | 大王製紙株式会社 | Disposable paper diapers |
| JP2013215388A (en) * | 2012-04-09 | 2013-10-24 | Unicharm Corp | Absorbent article |
-
2015
- 2015-06-03 JP JP2015113027A patent/JP5978350B1/en active Active
- 2015-08-19 WO PCT/JP2015/073219 patent/WO2016194244A1/en active Application Filing
- 2015-08-19 CN CN201580033869.9A patent/CN106456394B/en active Active
-
2016
- 2016-06-03 TW TW105117631A patent/TWI586336B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016194244A1 (en) | 2016-12-08 |
| CN106456394A (en) | 2017-02-22 |
| TW201701845A (en) | 2017-01-16 |
| JP2016221136A (en) | 2016-12-28 |
| JP5978350B1 (en) | 2016-08-24 |
| TWI586336B (en) | 2017-06-11 |
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