CN105473111B - The manufacturing method and disposable diaper of disposable diaper - Google Patents
The manufacturing method and disposable diaper of disposable diaper Download PDFInfo
- Publication number
- CN105473111B CN105473111B CN201480045645.5A CN201480045645A CN105473111B CN 105473111 B CN105473111 B CN 105473111B CN 201480045645 A CN201480045645 A CN 201480045645A CN 105473111 B CN105473111 B CN 105473111B
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- China
- Prior art keywords
- crotch
- waist portion
- cut
- exterior body
- width
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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
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15804—Plant, e.g. involving several steps
Abstract
Present invention aims to the manufacturing equipment overall compacts of underwear type and the disposable diaper of T-type, waste caused by material is inhibited less, efficiently produced, the manufacturing method of this diaper is characterized in that, it will continuously be supplied from the substrate sheets (8) that continuous sheet (W) and elastic component (11) is constituted to direction of feed (A), absorber (5) are installed to the width direction center portion of substrate sheets (W), substrate sheets (W) is divided into waist portion piece part (9a in a pair using two cut-off rules (18) along its length, 9b) with the outer load part (10) of crotch, by load part (10) outside crotch every specific length cut off and monomer is partitioned into crotch exterior body (6), by crotch exterior body (6) one by one alternately to the waist portion of a side and another party piece portion Divide (9a, 9b) engagement, by waist portion with piece part (9a, 9b) crotch exterior body adjacent to each other each other (6) middle position cut off, crotch (3) is folded into two parts, by folding inwardly by both ends for waist portion (2), its each end is fixed on to the free end of crotch (3).
Description
Technical field
The present invention relates to the methods and the disposable diaper of manufacture disposable diaper.
Background technique
In general, disposable diaper has the waist portion around the body part for being worn on wearer and is fixed on
The crotch of the waist portion.The waist portion has the body part elastic component to stretch to waistline direction, so as to wearer's
Body fit.On the other hand, the crotch has absorber etc. in the inside (wearer side) of outer load, is also equipped with along lateral margin
The flexible calf circumference elastic component in portion, to be bonded with the leg of wearer.
The end of the side of the fixed crotch of the central lower for a piece of waist portion that the disposable diaper extends in left and right sometimes
Portion, the disposable diaper are formed as T shape (referring for example to patent document 1 in the expanded state.The hereinafter referred to as prior art 1.).
As the dress article of the prior art 1, by the way that the crotch is folded into two parts, and will extend to the side of crotch
Waist portion is bent inwardly, its each end is fixed on to the free end of crotch in the face side of wearer, is thus assembled into primary
Property diaper.
In the prior art 1, waist portion is manufactured while carrying each material along the long side direction.That is, body part
It is bonded with the state extended in the longitudinal direction of sheet material with the sheet material continuously supplied with elastic component, forms elastic laminate
Body, the elastic layer stack continuously supply in feed direction.In this case, the direction of feed and body part of elastic layer stack
It is consistent with the prolonging direction of elastic component.Therefore, the body part elastic component can be remained to the shape of elongation state
State is easily carried, and the disposable diaper easily can be continuously manufactured.
But in the prior art 1, waist portion and crotch are manufactured using production line different from each other.Therefore, difficult
To realize the densification of manufacturing equipment entirety.
In addition, waist portion and the exterior body of crotch are made of material different from each other.Accordingly, there exist manufacturing operations to become numerous
Trivial problem.
In addition, the case where covering the buttocks of wearer on a large scale etc., separately fabricated waist portion and crotch be using length
In the case where regulation shape other than rectangular, when cutting out the sheet material of regulation shape from continuous sheet, need to cut off redundance.
Therefore, there is also the wastes (so-called trimming loss) for leading to the problem of material.
In order to eliminate these problems, propose in the process on the upstream side of the monomer segmentation process than crotch, by with
The identical production line of the manufacturing process of waist portion carries out the manufacturing process of crotch (for example, referring to patent document 2.It is hereinafter referred to as existing
There is technology 2.).
In the prior art 2, the band-like plate substrate of defined width is carried along its continuous direction, the band-like plate substrate
The middle part of width direction be set as the outer load part of crotch, absorber and surface layer is laminated in the outer load part of the crotch
Piece and form crotch portion, be respectively formed veutro waistline part and back side waistline part in its width direction two sides.Then, dividing
It cuts in process, the crotch portion is split from veutro waistline part and back side waistline part, the crotch after segmentation
Part is cut off at a prescribed interval on another production line, and monomer is divided into each crotch.
Citation
Patent document
Patent document 1:JP03-195555A
Patent document 2:JP2010-51667A
In the prior art 2, since waist portion and crotch are formed with outer load part by single banding substrate piece
And it is divided, therefore have many advantages, such as that manufacturing equipment overall compact can be made.But the exhibition of the disposable diaper of the prior art
Open state is formed as H-shaped, since veutro waist portion is engaged with back side waist portion in the side of diaper, there is a problem of following
Point.
That is, for the joint portion of two waist portions, the case where carrying out welding needless to say, even with face bonding part etc.
The joint portion of separation can be engaged, part of the rigidity also than being made of common sheet material is big.The side of diaper is to be easy to follow
In wearer body kinematics and the position that generates bending deformation etc..Therefore, if the flexibility of the side is deteriorated, diaper is worn
LC easily deteriorate.
In addition, being docked in the case where nursing staff etc. dresses diaper while facing wearer in the side of diaper
It is more troublesome that conjunction portion, which carries out engaging lock out operation,.
On the other hand, in the prior art 2, veutro waist portion, back side waist portion and crotch needs are set as phase each other
Same length.Therefore, it is T shape, waist portion that the prior art 2, which can not be applied to unfolded state as the prior art 1,
Overall length and crotch length diaper visibly distinguished from one another.
Summary of the invention
The purpose of the present invention is to provide the manufacturing method of disposable diaper and disposable diaper, the exhibitions of disposable diaper
Open state is T shape, can simplify manufacturing operation on the basis of making manufacturing equipment overall compact, and can will be produced by material
Waste inhibit less, efficiently produced.
In order to solve the above problems, such as according to the FIG. 1 to FIG. 9 for showing the embodiment of the present invention the present invention is said
It is bright, it constitutes as follows.
That is, the disposable diaper, which has, is worn on wearer's the present invention relates to a kind of manufacturing method of disposable diaper
The waistline direction (R) of the waist portion (2) is fixed in the end (31) of waist portion (2) and a side around body part
The crotch (3) of central portion (2C) has the absorber (5) for absorbing excreta in the crotch (3), which is characterized in that
The manufacturing method of the disposable diaper includes following process:
Substrate supply step (S1) continuously supplies substrate sheets (8), the substrate sheets in this process on direction of feed (A)
(8) by the continuous sheet of defined width (W) with along the serialgram (W) length direction configure elastic component (11) stacking and
At；
Substrate segmentation process (S3), in this process, by the substrate sheets (8) along two extended in the length direction
Cut-off rule (18) segmentation waist portion piece part (9a, 9b) and the outer load part (10) of a crotch in a pair；
Crotch monomer segmentation process (S4) in this process exists the front end portion of load part (10) outside the crotch
It is gradually cut off on the length direction with defined cutting spacing (L), monomer is divided into the crotch exterior body (6) of specific length；
Bonding process (S5), in this process, the one end (61) of the crotch exterior body (6) after monomer is divided with
Equal to the waist portion use that twice of configuration spacing (P) of the length of crotch exterior body (6) is alternately engaged in a side one by one
The waist portion of piece part (9a) and another party are with piece part (9b)；
Absorber installation procedure (S2), in this process, to the width of the substrate sheets (8) before the substrate segmentation process (S3)
The outer load part (10) of the crotch or monomer segmentation after spending the center portion in direction, the substrate segmentation process (S3)
Any one of described crotch exterior body (6) afterwards installs the absorber (5)；And
Diaper monomer segmentation process (S6) will be fixed with the waist portion piece of the crotch exterior body (6) in this process
Partially (9a, 9b) is cut off in crotch exterior body (6) mutual middle position adjacent to each other, and monomer is divided into each primary
Property diaper (1).
In addition, disposable diaper according to the present invention is the disposable urine that manufacturing method through the invention produces
Cloth, which is characterized in that the length of the crotch (3) is the half of the length of the waist portion (2).
The waist for constituting the waist portion is partitioned into from the substrate sheets being made of the continuous sheet of defined width and elastic component
Enclose load part outside the crotch of portion piece part and composition crotch exterior body.Therefore, the material supply step sharing of the two, phase
Ying Di, manufacturing equipment integrally become compact, realize raw material sharing on this basis, therefore, raw materials control, raw material replacement etc.
With simplification.
In addition, the length of waist portion to be set as to twice of the length of crotch, therefore, it is set as with unfolded state being T shape
The length that diaper is mutually fitted will not generate the waste of material.In addition, load part passes through outside waist portion piece part, crotch
Two cut-off rules are divided, therefore, by the way that the cut-off rule is set as desired shape, without cutting off redundance, from
Substrate sheets cut out such as on a large scale cover wearer buttocks shape desired by shape.
The unfolded state of the disposable diaper obtained by the manufacturing method is T-type.For the disposable urine of the T-type
Crotch is folded into two parts, and folding inwardly by both ends by waist portion, as needed by each end of waist portion by cloth
Portion is individually fixed in the free end of crotch, later, is packed in packaging process.In packaging, the end of the waist portion
It can be fixed as separating by bonding etc., or the link mechanisms such as face bonding part also can be used and be fixed as can engaging point
From.
In the present invention, " spacing (pitch) " refers to and indicates in the case where the object of same shape is arranged at equal intervals
The size at the interval (period).
It should be noted that the absorber installation procedure can any before monomer is divided into disposable diaper when
Machine is implemented, for example, each crotch exterior body that can be also fixed on later waist portion piece part to the bonding process is pacified respectively
Fill absorber.But if to the width side of the substrate sheets in a manner of separating specified interval before the substrate segmentation process
Absorber is installed to center portion, or to separate in a manner of specified interval to the crotch exterior after the substrate segmentation process
Absorber is installed in piece part, then the skin sheet being made of liquid-permeable sheet can continuously be supplied to and is installed as the shape of covering absorber
State, or can the bottom chip that constituted by liquid-impermeable be continuously fed and be mounted between absorber and substrate sheets etc.,
So it is preferred that.
It constitutes and plays a role as described above due to of the invention, play following effect.
(1) waist portion is partitioned into load part outside crotch from shared substrate sheets with piece part, the material of the two
Therefore supply step sharing can make manufacturing equipment overall compact, can simplify raw materials control, raw material more on this basis
Change equal manufacturing operations.
(2) length of waist portion is set as twice of the length of crotch, therefore, can obtain the urine with unfolded state for T shape
The waist portion for the length that cloth is mutually fitted will not generate the waste of material.Also, load portion outside waist portion piece part and crotch
It is divided to and is divided by two cut-off rules, therefore, by the way that the cut-off rule is set as desired shape, without cuts off excess portion
Point, such as shape desired by shape of buttocks that a wide range of cladding wearer can be cut out from substrate sheets etc., can reduce or
Eliminate the generation of trimming loss.
(3) unfolded state of obtained disposable diaper is T-type, and each end of waist portion is solid in the face side of wearer
Due to the end of crotch, therefore, even if the joint portion is harder than other parts, also it is not easy to apply the body fortune for following wearer
Dynamic and appearance deformation, can be well maintained wearing feeling.In addition, the case where the end of the waist portion can engage separation
Under, the joint portion is formed in the face side of wearer, and therefore, the even posture that faces of nursing staff and wearer also can
Enough it is easy to carry out the engaging lock out operation.
Detailed description of the invention
Fig. 1 is the perspective view of disposable diaper involved in one embodiment of the invention.
Fig. 2 is the brief configuration figure of the manufacturing device of the disposable diaper of the embodiment of the present invention.
Fig. 3 is the brief perspective views for showing the manufacturing sequence of disposable diaper of the embodiment of the present invention.
Fig. 4 is the schematic top for showing the manufacturing sequence of disposable diaper of the embodiment of the present invention.
Fig. 5 is the schematic top for showing the manufacturing sequence of disposable diaper of the embodiment of the present invention.
Fig. 6 is the explanatory diagram of the substrate segmentation process of the embodiment of the present invention.
Fig. 7 is the crotch monomer segmentation process of the embodiment of the present invention and the explanatory diagram of bonding process.
Fig. 8 A is to carry out the unfolded state after monomer segmentation by the embodiment of the present invention, by diaper monomer segmentation process
Under disposable diaper local cutting and the top view that shows, Fig. 8 B and Fig. 8 C are its cross-sectional views.
Fig. 9 is the brief perspective views for showing another substrate supply step of the invention.
Specific embodiment
In preferred manufacturing method, before the substrate segmentation process (S3), the elastic component (11) are configured
It is in the substrate sheets (8), by each waist portion of the cut-off rule (18) segmentation with piece part (9a, 9b), and configure and exist
The part close to the cut-off rule (18) in the outer load part (10) of the crotch.
In this case, pass through the elastic component (11) configured using cut-off rule (18) cutting along direction of feed (A), energy
Enough formed body part with and calf circumference two kinds of elastic components.
Preferably, the elastic component for being configured at each waist portion piece part constitutes body part elastic component, is configured at
The elastic component of the outer load part of crotch constitutes calf circumference elastic component.It include body part elastic component in the elastic component
In the case where calf circumference elastic component, two elastic components can be configured at continuous sheet in the same process, it therefore, can
It is further simplified process.
It should be noted that as long as the elastic component that these elastic components stretch to prescribed direction, is also possible to
Any one of filament or shoestring.
The cut-off rule is also possible to the straight line of the direction of feed along substrate sheets, in this case, the waist portion
It is all formed as constant width with load part outside piece part and crotch, the waist portion being made of them and the equal shape of crotch exterior body
As rectangle.It is preferable, however, that the cut-off rule can be set as arbitrary shape, for example, the cut-off rule is formed as,
Compared with width of the waist portion at the position being cut off in the diaper monomer segmentation process with piece part, in the engagement
It is larger for the width of the waist portion piece part at the fixed position of crotch exterior body in process.In this case, acquired
The central portion of waist portion of disposable diaper broaden, therefore the buttocks of wearer can be coated well, so it is preferred that.
It is further preferred that the cut-off rule (18) is formed as, the width of waist portion piece part (9a, 9b) is to be equal to
The configuration spacing (P) of twice of the length of the crotch exterior body (6) is changed.
In this case, as described above, the waste of material will not be generated.
Preferably, the cut-off rule (18) is formed as, the both ends with the waistline direction (R) of the waist portion (2)
The height (He) in portion (2E) is compared, the height (Hc) of the central portion (2C) of the waistline direction (R) of the waist portion (2)
It is larger.
In this case, the buttocks of wearer can be coated well.
Preferably, the cut-off rule (18) is formed as, the width direction of the outer load part (10) of the crotch
Width is changed with twice of the length of the crotch exterior body (6) of the configuration spacing (P).
In this case, the waste of material will not be generated.
In preferred disposable diaper, the length of the crotch (3) is the half of the length of the waist portion (2).
In this case, the waste of material will not be generated.
In addition, the exterior body of the crotch can be set as arbitrary shape, it is also possible to rectangle, but be fixed on waistline
The width of the end of one side of the center portion in portion is greater than the width of the end for the fixed another party in each end of waist portion
In the case of, the buttocks of wearer can be coated well, so it is preferred that.
The feature for relatively illustrating and/or illustrating with one of the respective embodiments described above or following embodiments can
It is utilized in one or more than one other embodiment or other embodiments in same or similar mode, with
And/or the feature group of person and other embodiments perhaps embodiment merges utilization or replaces other embodiments or implementation
Example feature and utilization.
Embodiment
The present invention is more clearly understood according to the explanation with reference to the preferred embodiment below of attached drawing.But implement
Example and attached drawing are only used for illustrating and illustrate, should not be taken as limiting the scope of the present invention.The scope of the present invention is only by right
Claim limits.In the accompanying drawings, the identical unit number in multiple attached drawings indicates part identically or comparably.
Hereinafter, being illustrated with reference to the accompanying drawings to the embodiment of the present invention.
As shown in Figure 1, the disposable diaper (1) has the cricoid waist portion around the body part for being worn on wearer
(2) and the end of side (31) be fixed on the waist portion (2) central portion (2C) crotch (3).The waist portion (2) by
The body part elastic laminate body made of elastic component (4) being fixed on sheet material (W) along waistline direction (R) elongation is formed.
The crotch (3) has the absorber (5) for absorbing excreta in the skin surface side of crotch exterior body (6).In the crotch exterior body
(6) calf circumference elastic component (7) are fixed with along lateral margin on.
The disposable diaper (1) is for example manufactured by manufacturing device shown in Fig. 2.
Manufacturing process based on the manufacturing device includes: the substrate confession that substrate sheets (8) are continuously supplied on direction of feed (A)
Give process (S1)；The absorber erector of the absorber (5) is installed in the middle part of the width direction of the substrate sheets (8) of Fig. 3
Sequence (S2)；The substrate sheets (8) of Fig. 4 are divided into a pair of of waist portion piece part (9a, 9b) and the outer load part of a crotch
(10) substrate segmentation process (S3)；Load part (10) outside the crotch are gradually cut to specific length and are obtained outside crotch
Fill the crotch monomer segmentation process (S4) of body (6)；By the crotch exterior body (6) one by one alternately with the waist portion piece of a side
The partially bonding process (S5) that the waist portion of (9a) and another party are engaged with piece part (9b)；By the waist portion piece of Fig. 5
The partially diaper monomer segmentation process that (9a, 9b) is cut off in the position of crotch exterior body (6) mutual centre adjacent to each other
(S6)；And the crotch (3) of the diaper (1) after dividing monomer is folded into two parts and by each end of waist portion (2)
(2E) is individually fixed in the folding process (S7) of the free end of crotch (3).
As shown in FIG. 2 and 3, the substrate continuously supplied in the substrate supply step (S1) along direction of feed (A)
Piece (8) is by the two panels continuous sheet (W) of the fabric continuous sheet, that is, defined width of nonwoven and in the state extended along the long side direction
Under be clipped between two sheet materials (W) elastic component (11) formation.Each continuous sheet (W) and elastic component (11) for example pass through hot melt
The adhesives such as adhesive and be fixed to each other.
The elastic component (11) of Fig. 3 includes body part elastic component of the configuration in the lateral margin side of substrate sheets (8)
(4) and configuration center side calf circumference with elastic component (7).As the material of these elastic components (11), it is able to use poly-
Urethane, natural rubber, thermoplastic resin etc..As the shape of elastic component (11), the shapes such as threadiness, ribbon are able to use,
It is not limited to one, can be more.Thermoplastic resin is being used as material and itself has the function bonded with continuous sheet (W)
In the case where energy, hotmelt is not needed.It should be noted that the body part elastic component (4) and calf circumference elasticity
Component (7) can use mutually the same material, shape, or can use material different from each other, shape.
In the absorber installation procedure (S2), in the middle part bonding in advance of the width direction of the substrate sheets (8)
The bottom chip (12) formed by liquid-impermeable material installs the absorber every specified interval across the bottom chip (12)
(5).Such as shown in Fig. 2, paper pulp (13) is pulverized by pulverizer (14) in absorber formation process (S8), the suede after defibering
Batt is laminated on patterned cylinder (15), and the absorber (5) is thus made.It should be noted that as the liquid-impermeable material, example
Such as preferred polyethylene film, the non-woven fabrics with hydrophobicity and aeration.
At the absorber (5) of installation diagram 3, skin sheet absorber (5) and be made of liquid permeability material is covered
(16), sheet rib collar (17) of the configuration in the two sides of absorber (5) is installed on the substrate sheets (8).The rib collar (17) is for example logical
It crosses rib collar formation process (S9) shown in Fig. 2 and generates.It should be noted that as the liquid permeability for constituting the skin sheet (16)
Material, such as non-woven fabrics, the mesh flake of preferred liquid permeability etc..
Also it is configured to, between the skin sheet (16) and absorber (5) of Fig. 3, clamps transmitting piece as needed
(transfer sheet) spreads urine etc. rapidly and prevents the urine after absorbing etc. from skin sheet (16) leakage.
In addition, for the absorber (5) high water absorbency polymer can also be distributed in the villus, at this
In the case of kind, absorber (5) are coated preferably by thin paper (tissue), are overflowed to avoid high water absorbency polymer from villus.It needs
It is noted that also the absorber can be constituted using making high water absorbency polymer be carried on material made of non-woven fabrics etc..
As shown in Fig. 2, the substrate sheets (8) of the attached absorber (5) for being provided with Fig. 3 are in the substrate segmentation process
(S3) three parts are divided into according to two cut-off rules (18,18) of Fig. 4 alongst by segmenting device (19) in,
That is, along substrate sheets (8) each lateral margin a pair of of waist portion with the one of piece part (9a, 9b) and the middle part of substrate sheets (8)
The outer load part (10) of a crotch.More specifically, as shown in fig. 6, being divided by two be periodically displaced in the width direction
Line (18,18) is divided into three parts between the position of lateral margin and the position for leaning on center of substrate sheets (8) for substrate sheets (8).
Waist portion obtained is cut to wide cut part and narrow width part with piece part (9a, 9b) and the outer load part (10) of crotch respectively
Divide the shape of alternate repetition.
That is, the cut-off rule (18) is formed as in the substrate segmentation process (S3), the waist portion piece of Fig. 7
Partially the width of (9a, 9b) is changed with twice of the configuration spacing (P) for being equal to the length of crotch exterior body (6).
In addition, the cut-off rule (18) is formed as, the waist with Fig. 7 in the substrate segmentation process (S3) of Fig. 6
The height (He) for enclosing the both ends (2E) in the waistline direction (R) in portion (2) is compared, the institute in the waistline direction (R) of the waist portion (2)
The height (Hc) for stating central portion (2C) is larger.
In addition, the cut-off rule (18) is formed as, the crotch of Fig. 7 in the substrate segmentation process (S3) of Fig. 6
The width of the width direction of outer load part (10) is changed with the configuration spacing (P).
In the case where the cut-off rule (18) is waveform threadiness, the rib collar (17) is also possible to linearly.In addition,
In the case where the rib collar (17) sigmoid in wave shape, the rib collar (17) can also be formed by elastic non-woven cloth.It needs to illustrate
, in the present embodiment, the cut-off rule (18) is formed as linear with the waveform of constant space repeatedly, but in the present invention
Can also be formed as along substrate sheets length direction it is linear, the waist portion of constant width can be obtained in this case
With the outer load part (10) of the crotch of piece part (9a, 9b) and constant width.
The cut-off rule (18) of Fig. 6 be formed in the body part elastic component (4) and calf circumference elastic component (7) it
Between.That is, the body part is configured with elastic component (4) in the position than the cut-off rule (18) by the lateral margin side of substrate sheets (8),
Thus it is configured at each waist portion piece part (9a, 9b).In addition, the calf circumference is configured with elastic component (7) than described
Cut-off rule (18) leans on the center side of substrate sheets (8) and is thus configured at outside the crotch close to the position of the cut-off rule (18)
Portion near the lateral margin of load part (10).
As shown in figure 4, passing through the outer load part (10) of crotch that the segmentation in the substrate segmentation process (S3) obtains
Pass through disconnecting device (20) in the crotch monomer segmentation process (S4) every specific length in absorber (5) adjacent to each other
Between be cut off, monomer is divided into crotch exterior body (6).At this point, the outer wide cut of load part (10) in the longitudinal direction of crotch
The central location of partial central location and narrow part is cut off, the length direction of thus obtained crotch exterior body (6)
One end (61) is than the other end (62) width.
As shown in Fig. 4 and Fig. 7, the crotch exterior body (6) after monomer segmentation is in the bonding process (S5)
By shifting apparatus (21) one by one alternately with the waist portion of the side waist portion piece part of piece part (9a) and another party
(9b) engagement.At this point, the wide width part of the wide cut end (61) of each crotch exterior body (6) and each waist portion piece part (9a, 9b)
Central portion (2C) engagement divided.
As described above, the outer load part (10) of the crotch of Fig. 4 is cut off every specified interval in the longitudinal direction, that is,
The central location of the central location of wide cut part and narrow part is cut off.Therefore, from the central location of adjacent narrow part
Between cut out two panels crotch exterior body (6), therefore, waist corresponding with the narrow part of load part (10) outside the crotch, Fig. 7
Enclose twice of configuration of the length (L) of central location formation crotch exterior body (6) of the wide cut part of portion piece part (9a, 9b)
Spacing (P).Therefore, the crotch exterior body (6) is respectively to be equal between twice of configuration of the length (L) of crotch exterior body (6)
The one end (61) of crotch exterior body (6) is engaged with waist portion with piece part (9a, 9b) away from (P).
As shown in figure 5, being fixed with the waist portion of the crotch exterior body (6) with piece part (9a, 9b) in the diaper list
It is cut by disconnecting device (22) in crotch exterior body (6) mutual middle position adjacent to each other in body segmentation process (S6)
It is disconnected, that is, to be cut off in the central location of the waist portion narrow part of piece part (9a, 9b), monomer is divided into independent primary
Property diaper (1).
In the present embodiment, the cut-off rule (18) is formed as, and is cut off in the diaper monomer segmentation process (S6)
Position at waist portion compared with the width of piece part (9a, 9b), fix crotch exterior body (6) in the bonding process (S5)
Position at waist portion piece part (9a, 9b) wider width.Therefore, as shown in figure 8, obtained disposable diaper
(1) center portion (2C) of waist portion (2) is formed as wide cut, the end (31) of a side of the crotch (3) engaged herein also shape
As wide cut, as a result, the buttocks of wearer can be coated well, so it is preferred that.But in the present invention, it can also incite somebody to action
Waist portion is formed as constant width.
As shown in figure 5, the disposable diaper after monomer segmentation passes through two bendings in the folding process (S7)
Crotch (3) is folded into two parts by device (23).The attached setting fixed mechanism of both ends (2E) difference in waist portion (2)
(26), the folding inwardly by both ends by waist portion (2) using assembling device (24), each end (2E) is respectively by fixation
Mechanism (26) is fixed on the free end of crotch (3).The fixed fixed mechanism (26) in the end (2E) of the waist portion (2) can be
It is fixed as the mechanism that can not be separated by adhesives such as hotmelts, or can be face connector etc. that separation can be engaged
Link mechanism.
Later, the folded independent disposable diaper (1) is changed to posture appropriate by inversion set (25),
It is sent out to next packaging process.
The manufacturing method of the disposable diaper illustrated by the embodiment is in order to which technical idea of the invention is specific
Change and illustrates, the case where shape or size, material, manufacturing sequence of each component etc. are not limited to the present embodiment, of the invention
Various changes can be added in claims.
For example, in the described embodiment, the center portion of the substrate sheets to before being divided by the substrate segmentation process
Absorber is installed.But be also configured in the present invention, to the crotch obtained by the segmentation in substrate segmentation process
Absorber is installed in outer load part, in addition, such as can also be to single being fixed on each crotch exterior body of waist portion piece part
The crotch exterior body that body is partitioned into installs absorber.
In addition, in the described embodiment, configuring calf circumference bullet together with elastic component with body part in substrate sheets in advance
Property component, is divided into three parts using cut-off rule.But in the present invention, body can also be only configured in substrate sheets in advance
Portion's elastic component, by leg with elastic component and bottom chip etc. be configured at together for example by substrate segmentation process divide after
The outer load part of crotch.
In addition, in the described embodiment, sandwiching elastic component between the continuous sheet of two defined widths and constituting base
Material piece.It but in the present invention, can also be in the continuous sheet of such as one defined width and along the two of its each lateral margin configuration
It opens and sandwiches elastic component between narrow continuous sheet.It is further possible to using the continuous sheet of a wide cut, by both side edges to
The substrate sheets of defined width are turned back and be set as in inside, sandwiches elastic component in the fold back portion.
In addition, in the described embodiment, bottom chip, skin sheet, sheet rib collar are laminated with above substrate sheets (also referred to as
Side piece, three-dimensional rivel etc.) etc..But in the present invention, at least either of the sheet material of these stackings can also be also used as structure
At the continuous sheet of substrate sheets.
For example, in the described embodiment, being utilized respectively continuous sheet and constituting two continuous sheets.But in the present invention
In, such as also can use the continuous sheet that liquid-impermeable sheet material constitutes at least one party, which is also used as bottom chip.
In addition, variation for example shown in Fig. 9 is such, it also can use the continuous sheet (W) of a defined width and match
The outside edge (17a) for setting the sheet rib collar (17) on the inside of it constitutes substrate sheets (8).That is, in the variation, being advised at one
The lateral margin side of the continuous sheet (W) of fixed width degree configures elastic member (11), width direction middle part across bottom chip
(12) pass through patterned cylinder (15) installation absorber (5).Then, in the top of the absorber (5), skin sheet (16) and edge are configured
The fixed sheet rib collar (17) of its both side edges, is pressed from both sides between the outside edge (17a) and the continuous sheet (W) of the rib collar (17)
Enter the elastic component (11) and realizes integration.That is, the outside edge (17a) of the rib collar (17) doubles as continuous sheet (W), benefit
The base is formed with the outside edge (17a), the continuous sheet (W) of the defined width and elastic component (11) between the two
Material piece (8).It should be noted that appended drawing reference (17b) indicates configuration in the elastic structure of rib collar of the interior side edge part of rib collar (17)
Part.Other structures are identical as the embodiment, and due to similarly acting on, and the description is omitted.
In addition, in the present invention, in the variation, can also replace the outside edge of rib collar and will skin sheet it is outer
Side edge part is also used as continuous sheet, sandwiches elastic structure between the outside edge of skin sheet and the continuous sheet of the defined width
The substrate sheets are consequently formed in part.In addition, in such case or the variation, it can also be by the company of the defined width
Continuous sheet material is also used as back sheet, and thus, it is possible to be further reduced the piece number be laminated.
In addition, in the described embodiment, cut-off rule is formed as into waveform threadiness, is divided into each lateral margin along substrate sheets
A pair of of waist portion piece part and the load part outside the crotch of the middle part of substrate sheets.It but in the present invention, can also
To be formed as linearly cut-off rule, in this case, also crotch exterior can be formed along the lateral margin of a side of substrate sheets
Piece part.
In the present invention, the constituent materials such as the sheet material, elastic component, absorber, size, shape etc. are not limited to described
The regulation of embodiment is self-evident.
Industrial utilizability
The present invention can be applied to the disposable diaper of underwear type and T-type.
Description of symbols
1: disposable diaper；2: waist portion；2C: central portion；2E: end
3: crotch；The end of 31: one sides；32: the end of another party
5: absorber；6: crotch exterior body；61: one end；62: the other end
8: substrate sheets；The waist portion of 9a: one side piece part；9b: the waist portion of another party piece part
10: the outer load part of crotch；11: elastic component；18: cut-off rule
L: cutting spacing；P: configuration spacing；W: continuous sheet (sheet material)
S1: substrate supply step；S2: absorber installation procedure；S3: substrate segmentation process；S4: crotch monomer segmentation process
S5: bonding process；S6: diaper monomer segmentation process；S7: folding process.
Claims (4)
1. a kind of manufacturing method of disposable diaper, which has waist portion (2) and crotch (3), the waist portion (2)
It is worn on around the body part of wearer, the waist of the waist portion (2) is fixed in the end (31) of the side of the crotch (3)
The central portion (2C) for enclosing direction (R) has the absorber (5) for absorbing excreta in the crotch (3), which is characterized in that
The manufacturing method of the disposable diaper includes following process:
Substrate supply step (S1) continuously supplies substrate sheets (8) in this process on direction of feed (A), the substrate sheets (8)
Elastic component (11) stacking of continuous sheet (W) by defined width and the length direction configuration along the continuous sheet (W) and
At；
Substrate segmentation process (S3), in this process, by the substrate sheets (8) along two points extended in the length direction
Secant (18) divides waist portion piece part (9a, 9b) and the outer load part (10) of a crotch in a pair；
Crotch monomer segmentation process (S4), in this process, by the front end portion of load part (10) outside the crotch described
It is gradually cut off on length direction with defined cutting spacing (L), monomer is divided into the crotch exterior body (6) of specific length；
Bonding process (S5), in this process, the one end (61) of the crotch exterior body (6) after monomer is divided is to be equal to
The configuration spacing (P) of twice of the length of crotch exterior body (6) is alternately engaged in the waist portion piece portion of a side one by one
Divide the waist portion of (9a) and another party with piece part (9b)；
Absorber installation procedure (S2), in this process, to the width side of the substrate sheets (8) before the substrate segmentation process (S3)
To center portion, after the outer load part (10) of the crotch after the substrate segmentation process (S3) or monomer segmentation
Any one of described crotch exterior body (6) installs the absorber (5)；And
Diaper monomer segmentation process (S6) will be fixed with the waist portion piece part of the crotch exterior body (6) in this process
(9a, 9b) is cut off in the mutual middle position of crotch exterior body (6) adjacent to each other, and monomer is divided into one one by one
Secondary property diaper (1),
In the substrate segmentation process (S3), the cut-off rule (18) is formed as following (a), (b), (c) and (d) all full
Foot,
(a) with the waist portion at the position that is cut off in the diaper monomer segmentation process (S6) with piece part (9a, 9b)
Width is compared, in the bonding process (S5) at crotch exterior body (6) fixed position waist portion piece part (9a,
Width 9b) is bigger,
(b) waist portion is equal to twice of institute of the length of the crotch exterior body (6) with the width of piece part (9a, 9b)
Configuration spacing (P) is stated to be changed,
(c) compared with the height (He) at the both ends (2E) of the waistline direction (R) of the waist portion (2), the waist portion
(2) height (Hc) of the central portion (2C) of the waistline direction (R) is bigger,
(d) width of the width direction of the outer load part (10) of the crotch is with the length equal to the crotch exterior body (6)
Twice of the configuration spacing (P) is changed,
In the substrate segmentation process (S3), the pair of waist portion piece part (9a, 9b) and one crotch exterior
Piece part (10) is cut to the shape of wide cut part Yu narrow part alternate repetition respectively,
In the crotch monomer segmentation process (S4), the outer wide cut of load part (10) in the longitudinal direction of the crotch
The central location of partial central location and the narrow part is cut off, the length side of thus obtained crotch exterior body (6)
To one end (61) than the other end (62) width,
In the bonding process (S5), the one end (61) and each waist portion of the wide cut part of each crotch exterior body (6)
With central portion (2C) engagement of the wide cut part of piece part (9a, 9b).
2. the manufacturing method of disposable diaper according to claim 1, wherein
Before the substrate segmentation process (S3), by the elastic component (11) be configured at it is in the substrate sheets (8), by institute
Each waist portion piece part (9a, 9b) of cut-off rule (18) segmentation is stated, and the elastic component (11) is configured at the crotch
The part close to the cut-off rule (18) outside portion in load part (10).
3. a kind of disposable diaper is manufactured by manufacturing method of any of claims 1 or 2, which is characterized in that
The length of the crotch (3) is the half of the length of the waist portion (2).
4. disposable diaper according to claim 3, wherein
The crotch exterior body (6) is configured to, and is fixed on the width of the end (31) of the side of the central portion of the waist portion (2)
The width of the end (32) of the other side fixed greater than each end for the waist portion (2).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-171841 | 2013-08-22 | ||
| JP2013171841 | 2013-08-22 | ||
| PCT/JP2014/071185 WO2015025760A1 (en) | 2013-08-22 | 2014-08-11 | Disposable diaper manufacturing method and disposable diaper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105473111A CN105473111A (en) | 2016-04-06 |
| CN105473111B true CN105473111B (en) | 2019-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480045645.5A Active CN105473111B (en) | 2013-08-22 | 2014-08-11 | The manufacturing method and disposable diaper of disposable diaper |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6498603B2 (en) |
| CN (1) | CN105473111B (en) |
| WO (1) | WO2015025760A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109843235B (en) * | 2016-09-30 | 2021-07-06 | 尤妮佳股份有限公司 | Method for manufacturing absorbent article |
| WO2019038867A1 (en) * | 2017-08-23 | 2019-02-28 | ユニ・チャーム株式会社 | Absorbent article |
| CN111886127B (en) * | 2018-02-06 | 2022-07-26 | 株式会社瑞光 | Stretchable sheet, disposable wearing article using the stretchable sheet, and method for manufacturing the same |
| CN109758301B (en) * | 2018-12-21 | 2021-11-02 | 黄山富田精工智造股份有限公司 | Method for manufacturing absorbent article |
| CN109758300B (en) * | 2018-12-21 | 2022-03-08 | 黄山富田精工智造股份有限公司 | Method for manufacturing disposable absorbent article |
| JP7257002B2 (en) * | 2020-01-27 | 2023-04-13 | 株式会社瑞光 | Manufacturing method and manufacturing apparatus for waist portion of worn article |
| CN113952116B (en) * | 2021-12-02 | 2022-04-19 | 瑞光（上海）电气设备有限公司 | Method for manufacturing pants-type absorbent article |
| CN114404146A (en) * | 2022-01-20 | 2022-04-29 | 爹地宝贝股份有限公司 | Sanitary trousers and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1391876A (en) * | 2001-04-12 | 2003-01-22 | 尤妮佳股份有限公司 | Disposable shorts type diaper |
| CN1655744A (en) * | 2002-05-22 | 2005-08-17 | 尤妮佳股份有限公司 | Brief-type diaper |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4055296B2 (en) * | 1999-06-02 | 2008-03-05 | 王子製紙株式会社 | Disposable diapers |
| JP4025045B2 (en) * | 2001-09-28 | 2007-12-19 | 株式会社瑞光 | Diaper manufacturing method |
| SE0104436L (en) * | 2001-12-28 | 2003-06-29 | Sca Hygiene Prod Ab | Absorbent articles |
| JP4451474B2 (en) * | 2006-09-29 | 2010-04-14 | 大王製紙株式会社 | Disposable diapers |
| JP5184265B2 (en) * | 2008-08-29 | 2013-04-17 | 大王製紙株式会社 | Disposable diaper manufacturing method and disposable diaper |
| JP5572822B2 (en) * | 2010-03-12 | 2014-08-20 | 株式会社瑞光 | Pants-type wearing article and method for manufacturing the pants body |
-
2014
- 2014-08-11 CN CN201480045645.5A patent/CN105473111B/en active Active
- 2014-08-11 JP JP2015532819A patent/JP6498603B2/en active Active
- 2014-08-11 WO PCT/JP2014/071185 patent/WO2015025760A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1391876A (en) * | 2001-04-12 | 2003-01-22 | 尤妮佳股份有限公司 | Disposable shorts type diaper |
| CN1655744A (en) * | 2002-05-22 | 2005-08-17 | 尤妮佳股份有限公司 | Brief-type diaper |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015025760A1 (en) | 2015-02-26 |
| JPWO2015025760A1 (en) | 2017-03-02 |
| CN105473111A (en) | 2016-04-06 |
| JP6498603B2 (en) | 2019-04-10 |
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