SA518400701B1 - Absorbent Article Production Method - Google Patents

Abstract

The absorbent article (1) of the present invention comprises an absorbent body (AB), a pair of side flaps (SF1, SF2) and engaging tapes (8, 8), and the side flaps include a first web (7a) and a second web (7b). The production method comprises: a step in which a material web which extends in a conveying direction is cut along the conveying direction into a central web positioned in the center in the lateral direction and first and second side webs adjoining the central web on both sides, the central web having predetermined dimensions longer than the total dimensions of the first and second side webs; a step in which the first and second side webs are laminated to predetermined positions on the central web, with the first and second edges of the central web as references; and a step in which the pair of engaging tapes are bonded at predetermined positions on the central web or the first and second side webs in such a manner that part of the engaging tapes extends to the outside from the

Description

Absorbent Article Production Method Full description

Invention background

The present invention relates to a method for producing an absorbent product.

Absorbent items such as disposable nappies are popular. Suckers included

mentioned 6 for example (ale pa) a pair of lateral CLD extending outwards away from

Both ends are in the transverse direction of the absorbent body; a pair of connecting strips extends outwards and away

from both ends in the transverse direction of the pair of side flaps. The disposable diaper is patentable

No. 1 is an example of an absorbent product. in the disposable diaper mentioned; Mesh material part is folded

A waist belt that has a definite width inward in the transverse direction away from both ends

spin-offs; The component parts of the flaps consisting of a two-layer mesh material are formed on 0 both ends of the 'abs middle' and the connecting belts are placed over them in order to form the side flaps.

Reference patents

[Patent 1] Japanese Patent in Examination Publication No. 21981-2016

General description of the invention

In order for the absorbent product to show sufficient absorbent function; It is important to position the absorbent object 5 snugly and to place it stably at the appropriate location on the wearer's body; or in other words; It's essential

The absorbent has to be worn snugly on the body. in order to wear them appropriately; It is important

The sorbent to be produced shall have the dimensions of the side flap, coupling and relative locations

Inside the absorbent product is exactly as designed; or in other words; Dimensional accuracy of flaps

collateral during production is essential. Especially if the expansion dimensions of the connecting tapes which extend from the 0 outer ends are in the transverse direction of the side flaps or the dimensions of the expansion of the side flaps which

extending from the two outer sides in the transverse direction of the absorbent body differing from their design values; Hence (eg JB) the side flaps on the back side of the aie can be difficult to attach to the abdominal part when worn which is likely to result in the aie separating the absorbent from the body.

casually Creating a pair of side flaps made of a two-layer net can be done using a second net placed on JS from both ends of a single first net; Any construction in which a pair of side flaps Lie and share the first net. The production method could be a method of placing each single second material web on both ends of a single first material web. The aforementioned production method is the preferred method from the point of view of making it easier to mesh the expansion parts or

0 connection strips between both material webs when the side flaps are machined flush. The connecting tapes are connected between the net of the first material and the net of the second material; Or on the outside of the first material grid or the second material grid. According to this method; The first material grid is used; second material web or joint tape by inserting into the production device as reeled; They are rolled up during the production of side flaps. So; The dimensions of each mesh material should be consistent

5 Landscape is the original set value; However, variations are produced during the rewinding and rewinding process. When forming a pair of side flaps in this way; The web of first material in the machine direction is conveyed by the conveyor so that the central axis in the longitudinal direction of the first material web is aligned with the central axis in the machine direction relative to the Jail surface of the conveyor. The central axes are separated

0 of the two webs of the second material and the joint bars also at a specified distance from the central axis in the direction of the machine relative to the conveying surface of the conveying device” with both the central axes being parallel (Lala) during its transmission in the direction of the machine. At this time, the difference in dimensions in the transverse direction of the web results The first material » any transverse direction on the machine for the Jill device A difference in the locations of both ends in a transverse direction on the machine for the web of the first material. When this occurs; the two webs of the second material or tapes

5 Connecting to the first article network; The relative locations relationship between the first article network is likely to fail

And the two networks of the second article or the relationship of the relative locations between the network of the first article and the link bars in compatibility with the design. meaning; Once the absorbent product is complete; The side flaps pias may have lengths extending outwards away from the absorbent body in a transverse direction on the machine either short or very long. similarly; Lengths extending from the side flaps too short or too long may also prevent junction bars. when this happens; You can own the absorbent product

Side flaps are difficult to attach to the ventral lateral gill of the absorbent body when worn and the product could be defective. Therefore it is important to increase the dimensioning accuracy of side flaps during production. In order to increase the dimensional accuracy of the side flaps; Using the above example; One possible method is to fold both ends; leaving only the center portion in the transverse direction of the material web

0 first»; In order to adjust the dimensions of the central section to the dimensions of the design. using this method; However, since precise folding is not easy to achieve; There may still be a difference in the dimensions of the center section design after folding. One possible way to increase the dimensional accuracy of the side flaps is to make the dimensions in the transverse direction of the web of material when wound onto a bobbin slightly larger than the desired dimensions (clad) and to cut the side of at least one end in the transverse direction of the web of material after the web of material has been rolled; from

5 In order to form the material web with the desired dimensions. However, the said method produces redundant sections and increases the cost and labor to handle the disposal of said redundant sections. The present invention is intended to provide a method for producing an absorbent product that can increase the dimensional accuracy of side flaps without excessive use of materials. Brief description of the drawings

0 Fig. 1 Ble for the Gath graph of an absorbent product according to a first embodiment. Figure 2 is a schematic overview of the absorbent product production apparatus according to the first model. Figure 3 is a graph showing the method for producing an absorbent product according to the first model. Figure 4 is a graph showing the method of producing an absorbent product according to the first model.

Figure 5 is a graph showing the method of producing an absorbent product according to the first model. Figure 6 is a graph of Gh absorbent product Wy for the second model. Figure 7 is a graph showing the method of producing an absorbent product according to the second model. Figure 8 is a graph showing the method of producing an absorbent product according to the second model. Detailed Description: The method for producing the absorbent product according to the present invention is as follows. (1) The method for producing an absorbent mite comprises a sorbent body’ a pair of side flaps extending outwards away from both ends in the transverse direction of the sorbent body’ and a pair of jointing strips extending away from the outer edge of the ends of the pair of side flaps in the transverse direction; The OS of the pair of side flaps includes the first and second nets 0 superimposed using the first net in the direction of the thickness” as the method of producing the absorbent product includes: abbreviation of the step of cutting off a single material net running in the direction of the machine along that direction in order to form a central net of the first net located at the center of in a direction transverse to the machine and perpendicular to the direction of the machine; the first side netting and a second side netting for a second netting; Adjacent to the central web on one side or the other side in the transverse direction on the machine; The central web is cut into 5 layers in one or two layers in transverse direction on the machine in the cutting step »forming step; Using the first edge on either side of the first side grille and the second edge on the side of the second side grille of the central grille as a reference; Placing the first and second side grid layers at the specified locations of the central grid between the first and second edges without mutual overlapping; For forming the two webs that make up the side flaps; a joining step that connects the pair of splice bars to the sites (salad) of the central 0 network or the first lateral network and a second lateral network using the first and second edges as a reference; such that the 'shal' of the pair of joining bars extends outwards away from the first and second edges," respectively. In this method of producing an absorbent product, the first and second material webs are combined transversely on the machine in order to form a single bale web; The central section is cut transversely on the machine

to web the material into a single concentric web having a defined dimension (the desired dimension) in the transverse direction on the machine; or two central grids having specified dimensions (desired dimensions) in the transverse direction on the machine. This allows a centralized network to be formed; any first network; Consisting of one or two layers with no theoretical difference in dimensions. The first and second side grids that are placed on both blocks

The two sides are transverse on the machine for the central web and the remaining sections of the material web; With a difference in dimensions in the transverse direction on the machine. With this the first and second side grids can be placed on top of each other at the designated locations of the center grid using both ends (ends one and two) of the appropriately placed center grid (or in Alla the two layers; the two layers are aligned transversely on the machine) as a reference. This allows for a difference in the dimensions of the first side grille

0 and the second side grille upward towards the two inner sides of the first side grille and the second side grille; That is, towards the inner side of the central network; where the difference in dimensions is not a problem even if it exists; So that the effects of the difference in dimensions can be avoided. As a result it is theoretically possible to eliminate the dimension difference at the outer ends of the two grilles that make up the side flaps. In other words; It is theoretically possible to eliminate the dimension difference at the two outer sides of the side flaps.

5 In addition» by connecting the pair of link bars to the specified locations of the central network using both ends (the first and second ends) of the central network; Which theoretically does not suffer from a difference in dimensions. for reference; It is possible to place a pair of junction bars at appropriate locations of the central network. This results in a proper proportional relationship of the positions of the two networks that make up the lateral flippers; or side flips; link bars; This eliminates over-stretching or the need to stretch side flaps

0 -_of the absorbent body” and to prevent over-stretching or the need for ada connecting tapes from the side flaps. At the same time; The truncated first and second side grilles are effectively used without producing dimensional effects. Thus it is possible to increase the dimensioning accuracy of the side flaps without excessive use of materials. When the central network is cut into two layers in the cutting step; In the forming step, a pair of two webs forming the side flaps of the side flaps separated by alternation is formed.

5 Either of the two dally formation steps can be performed first.

The method of producing the absorbent product of the present invention may also be represented by (2) the method of producing an absorbent product Ey of (1) dled in which the IS of a pair of side flaps comprises ada gia having the ability to extend in the transverse direction; The method also includes: a step of laying ga stretching to place the said part at certain locations on the central grid where each of the pair of joint tapes overlays using the central grid in the direction of thickness”; before the forming and lacing step.

In this method produce an absorbent product; when linking busbars at appropriate locations using the first and second ends of the central network as a reference; The adil shawl is placed on the central web using the locations of the junction bars that overlap the central web in the thickness direction as a reference. Therefore, it is possible to obtain the appropriate relative relationship of the locations between the expansion parts and the connecting tapes;

0 and obtaining the appropriate relative relationship of the locations between the expansion parts and the other parts. as a result; The dimensioning accuracy of the resulting absorbent product can be increased. The method of producing the absorbent product according to the present invention can also be made by Jian in (3) the method of producing the absorbent product Gy of (2) above; Cua the step of laying the expansion part includes: the step of single ala gia net cutting running in the direction of The machine is at a central location in the transverse direction on the machine; along its direction

5 and cut it according to the specified dimensions in the direction of the machine in order to form a pair of parts dal) In this method production of the product pale gia single stretching net with a difference in dimensions in a transverse direction on the machine that is cut off at a central location in the direction Transverses on the machine are cut to each specified dimension in the direction of the machine in order to form a pair of expansion segments. So; The difference in the dimensions of the expansion part in the transverse direction can be minimized on the machine; Any transverse direction. therefore be of

0 It is possible to obtain a more suitable relative relationship for the locations between the parts of the expansion and the other parts. As a result of (lI) the dimensioning accuracy of the resulting sorbent product can be further increased. Jian can produce the sorbent product production method according to the present invention also in (4) the ly absorbent product production method for (3) above cua in the placing step gia is stretching; a pair of parts of all is placed on

The central web is in such a way that the parts of the inner sides of a pair of expansion parts are overlapped in the transverse direction on the machine using the attachment sites of the side flaps to the absorbent body. In this method of producing an absorbent product, a pair of expansion parts is placed on the central grid in such a way that parts of the inner sides of a pair of expansion parts are superimposed transversely on the machine with the attachment points of the side flaps of the absorbent body. So; Not only oda parts are placed using the locations that overlap the central grid placed appropriately in thickness direction as a reference; However, they are also applied using the attachment sites of the side flaps to the absorbent body as a reference; Which allows, therefore, to obtain a more appropriate relative relationship of the sites between the parts of the expansion and the other parts. as a result; The dimensioning accuracy of the resulting absorbent product can be further increased. 0 The method of producing the absorbent product of the present invention can also be described by Jian in (5) the method of producing the Gay absorbent product of (3) or (4) above; Where the dimensions of the expansion parts in the direction of the machine are smaller than the dimensions of the central network in the direction of the machine. In this method, the production of a product (ale) the dimensions of the expansion parts are smaller than the dimensions of the central web in the direction of the machine. Therefore, during the continuous production process in the direction of the machine, the parts of the adel) to be joined are 5 which are the first web parts 17 Alignment in the direction of the machine to the central grid; separated from each other Jilly do not affect each other. So; The expansion parts can be attached to the central web in the case of slight variation due to external factors (Jo) way (Jal changes in tension in the direction of the machine)” allowing the stability of the relationship of the relative locations between the expansion parts and the other parts. as a result; The dimensioning accuracy of the resulting absorbent product can be further increased. Also, since the expansion parts are not joined at Alls under continuous tension, the dimensioning accuracy of the expansion parts can be increased even more. The method of producing the absorbent product according to the present invention can also be made by Jian in (6) the method of producing the absorbent product according to any of (3) to (5) Del where the dimensions of the parts (ada) in a transverse direction on the machine are smaller than those of The central network in the transverse direction on AN

In this method of producing an ale product, the dimensions of the expansion parts are smaller than the dimensions of the central web in the transverse direction on the machine. Therefore, since the ail parts can be placed only at the locations that are from the saal to adam in a transverse direction on the the machine (areas requiring stretching); » or expansion parts and other parts. As a result, the dimensioning accuracy of the resulting absorbent product can be further increased. Jian can also produce the absorbent product according to the present invention in (7) the absorbent product production method according to any of (2) to (6) dle also includes: aha step to perform stretching treatment on 0 stratified body of the central grid Sal ha and the first lateral grid or second lateral grid after the step of placing the stretching part In this method producing an absorbent product the stratified body stretching processing works For the central netting, the expansion part and the first side netting or the second side netting improve the adhesion degree between the central netting and the first side netting or the second side netting; while also reducing the possibility of 5 out of site among the central network; Sal) ga and the first side grid or the second side grid. This can stabilize the relationship of relative locations between the central network; gia dilatation and lateral lattices first or lateral lattices 2; In addition to the relative relationship of their locations with other parts. As a result of (SUA) the dimensioning accuracy of the resulting absorbent product can be further increased. Jian can produce the absorbent product production method according to the present invention also in (8) the absorbent product 0 production method according to any of (2) to (7) del where The expansion parts are located between the first and second webs; the method also includes: the step of placing an expansion part to place a pair of expansion parts on the central grid in such a way that the outer ends of a pair of expansion parts are placed at certain locations under corresponding dimensions specified inwards away from the first and second edges; before formation step.

In this method producing an ale product the expansion portions are placed on the central grid using the positions of the two ends of the appropriately positioned central grid as a reference; In such a way that the two ends of the central net and the two ends of the expansion parts overlap in the direction of the thickness. Therefore, it is possible to obtain the appropriate relative relationship of locations between the central network and the expansion parts; And obtaining the appropriate relative relationship of the sites between the parts of the expansion and the other parts. as a result; The dimensioning accuracy of the absorbent product can be increased

resulting. The method of producing the sorbent product of the present invention can also be provided by Jian in (9) the method of producing the sorbent product Bg of any of (1) to (8) del where in the forming step; The layers of the central grid and the first side grid are placed in such a way that one end of the first side grid overlaps

0 transverse on machine with first edge” and the seams of the center web and second side web are laid in such a way that one end of the second side web overlaps transversely on the machine using the second edge; in the transverse direction on the machine. In this method, the production of an “ale” product overlaps the ends of the outer sides of the first and second side grids with the ends of the outer sides of the central grid; Using the sites of both ends of the central network

5 placed appropriately for reference; Or in words (AT they overlap the ends of the two outer sides as a reference. Therefore, the traces of the dimension difference are removed at the outer ends of the first and second side grids; and even if there is a difference in ala) the difference is moved towards the inner side of the two ends where it is not a problem . As a result, it is possible to stabilize the relative locations relationship between the central network and the first and second side networks. As a result » dimensioning accuracy can be increased

0 absorbent product resulting more. The method of producing the sorbent product Gy of the present invention Load may be (10) the method of producing the sorbent product Uy of any of (1) to (9) above. Where the lacing step includes: the step of attaching one pair of joint tapes to the central web in such a way that it extends outwards away from the first edge in a transverse direction on the machine at a predetermined distance and tying the other end of the pair of joint tapes

with the central lattice in such a way that it extends outwards away from the second edge in a transverse direction on AY at a specified distance s. In this method, an absorbent product is produced.” The first and second busbars are attached to the central network, using the positions of the ends of the pair of busbars as a reference; in such a way that their distance from the positions of the two ends of the suitably placed central grid is the specified dimensions. Therefore, it is possible to obtain the appropriate relative relationship of locations between the central network and the link bars; and obtaining the appropriate relative relationship of locations between the ala parts and the other parts. as a result; The dimensioning accuracy of the resulting absorbent product can be increased. Beneficial Effects of the Invention Gy 0 of the present invention It is possible to provide a method of producing an absorbent product that can increase the dimensional accuracy of side flaps without excessive use of materials. Description of models Model 1 An absorbent product “By of the model” will now be demonstrated using a disposable diaper similar to the 5-strap type (open type) as an example. However, the types and uses of the absorbent product according to the present invention are not limited to this example; The present invention may also be applied to other ale tools without departing from the scope of the present invention. Fig. 1 is a graph of Absorbent 1 product id (disposable diaper); As a horizontal projection view of pipette 1 in the flat-equipped condition. The absorbent 1 has a longitudinal direction, a 0 transverse direction/no and a thickness direction 1 which are perpendicular to each other; Also, a central axis line CL passes through the center of the transverse direction /la and extends in the longitudinal direction and a central axis line CW passes through the center of the longitudinal direction 1 and extends in the transverse direction /la. throughout the current description; A view of the absorbent product 1 Saad laid out flat and viewed from the top side or the bottom side in the direction of the fish will be referred to as a “horizontal view”. The terms "contacting side" refer to

“for skin” and “non-skin side”; respectively; to the side relatively close to the side in contact with the wearer’s skin and the side farthest from the side “Gud” from the side in contact with the wearer’s skin; in thickness direction of the absorbent 1 at the absorbent product 1 being worn. ia The direction towards and the direction away from the central axis line CL are the direction on the inner side and the direction on the outer side, respectively, in the transverse direction/no. respectively; in the longitudinal direction A. These definitions also apply to the materials and parts that make up the sorbent product 1. Figure 1 is a diagram of the Loaf 1 as viewed from the side not in contact with the skin. The Loaf 1 in the longitudinal direction has a Back girdle area 51 corresponds to the belt around the wearer's back side 0 » Belly girdle area 52 corresponds to girdle around the wearer's abdominal gall; Bifurcation zone 53 is located between the ST posterior girdle area and Belly girdle area 52; corresponds to the bifurcation area of the wearer. Includes Absorbent Product 1 an absorbent body AB extending from the posterior girdle region 1 to the abdominal girdle region 52 in the longitudinal direction a pair of lateral flaps extends 71 [5]; 2 outward away from both ends in the transverse direction/not to the absorbent body AB in the 5 rear belt region (ST) and a pair of connecting strips extend 8; 8 outward away from the outer ends of the pair of side flaps (SF 572 in the direction Transverse / No. in the sorbent product 1; the pair of jointing bars 8; 8 for the pair of side flaps (SF 572) in the rear belt area 51 mesh with the target part of the connection 14; for example; at the center of the absorbent body 88 in the transverse direction of the laa in the area of Belly belt 52 for securing a disposable nappy 0 can also narrow the bifurcation area 53 in the transverse direction / no. The direction towards the posterior belt area 51 and the direction towards the belly belt area 52 in the longitudinal direction L are indicated by “towards the back” and “ towards ald respectively. The absorbent product 1 includes a front layer 2, a back layer 3 and an absorbent body 4. The front layer 2 is a liquid permeable layer placed on the skin-to-skin side of the wearer. 5 The front layer 2 can be any a desirable layer that is permeable to liquids” such as, for example, a tissue

non-woven or spunbonded fabric permeable” synthetic resin porous membrane; or a composite layer of them. Back Layer 3 is a non-shin fluid layer placed on the non-skin side of the wearer. Back Layer 3 can be any non-SAE fluid layer desired such as; For example; Non-woven fabric or impermeable Glas resin film; composite layer of them; Non-woven fabric SMS or similar. The absorbent body 4 is a “sale with fluid absorption and fluid retention properties” placed between the front layer 2 and the back layer 3. The absorbent body 4 can be pulp fibers; Cain fiber, absorbent polymer or similar. the absorbent body 4 and the front layer 2 and the back layer 3 are attached using an adhesive”; The front layer 2 and the back layer 3 are joined by selling adhesive at their ends. 0 can be the adhesive used to bond the front layer 2; The absorbent body 4 and backing 3 is a known material commonly used in absorbents 1; Like Sale, a thermoplastic adhesive. The absorbent product 1 also includes a pair of leak-proof walls 5; 5; parts ala legs 6; 6 and outer layer 9. The pair of sealing walls 5 5 shall be a pair of lateral layers 5 that extend along the longitudinal direction 1 so that the surfaces of both sides are covered in the transverse direction/not of the frontal layer 2; Which is placed at a certain distance in the landscape direction / no. The pair of anti-leakage walls have 5; 5 two ends fixed at both ends of the outer sides in the transverse direction / no fixed on the surface of both sides in the transverse direction / no front layer 2; And they have two free ends, which form assembly lines capable of SMA at both ends of the inner side in the transverse direction 0 / except. near the JS of the two free ends of the leakproof wall pair 5; 5; Two linear plastic parts 15 are applied like rubber; For example; It extends along the longitudinal direction. The stretching part of the leg 6 shall be a flexible, threadlike, elastic gia, Jie, which is stretched in the longitudinal direction L for each of the two sides in the transverse direction / not of the bifurcation area 53 in contact with the wearer's thigh area. The outer layer 9 is applied to the non-contact side of the back layer 3 and the 5 back layer 3 is reinforced while its texture is improved. They are jointly attached to the pair of counter walls

to leak 5; 5 at the circumferential sections at the time they are attached to the non-skin side of the backing layer 3. There are no particular restrictions on the materials of the sealing walls 5 and the outer layer 9; Examples include sale front layer 2; for anti-leakage walls 5; And back layer material 3 for outer layer 9.

The sorbent product 1 also includes an expansion segment 11 in the rear belt area 51. The expansion gyn 11 is a layer-like segment like elastomeric with the ability to stretch in the transverse direction / L and is placed between the pair of side flaps SFI 572 in the direction Casual / except and works as a waist belt. The expansion part 11 is attached using adhesive to any location on the surface of the skin-contact side of the anterior layer 2 and the surface on the non-contact side of the back layer 3; between the front layer 2

0 and the back layer 3 in the back belt region 51. The expansion gyn 11 is placed either superimposed Wa or unsuperimated using the absorbent body 4; in the horizontal plane. for this form; The ja of expansion 11 is placed between the front layer 2 and the back layer 3 in such a way that the ON of the expansion part 1 on the inner side in the longitudinal direction 1 overlaps the absorbent body 4 in the thickness direction. This can improve the fixation of the absorbent product 1 in the belt area when worn.

5 be of a pair of side flaps (SFT 572) which extends outwards away from both ends in the transverse direction/except for the absorbent body AB comprising a first grid IT and a second grid 7b overlapping the first grid 17 in the direction of thickness 1. Viz; Each SF side flap has a bilayer structure, consisting of two lattice layers.For this model, with this the first grid 7 of the 571 side flap and the first grid 7 of the SF2 side flap consist of a single common grid.The second grid 7b is placed for the flap

0 lateral SFI on one end of the first grid 17 while the second grid 7b of the side flap 572 is placed on the other end of the first grid fT and bonded. Subsequently; wy for the form; The part forming the side flap 10 consists of a single first grid 17 and two second grids 7b placed at both ends in the transverse direction //a. By attaching the hall forming the side flap 10 with adhesive to the non-contact side of the outer layer 9 in the back strap area 51 of the body

5 Al-Masat 88; The pair of side flaps (SF 572) that extend outward away from the

sorbent body LAB during formation; The eal) constituting the side flap 10 is positioned in such a way that the second net 7b is placed on the non-contact side of the pipette 1; For example. However, the second grid 7b can alternatively be on the skin-contact side of the pipette 1.

In the SFL side flap, the first grid 7 and the second grid 7b are joined so that the edge of the outer side 763 of the second grid 7b in the transverse direction W is at a specified distance (< 0) on the inner side in the transverse direction / L using the edge of the outer side Tel For the first grid 7a in the transversal direction / no for reference. similarly; In the side flap SF2, the first grid 7 and the second grid 7b are joined so that the Ted outer edge of the second grid 7b is in the direction

0 transverse / not at a specified distance (< 0) on the inner side in the transverse direction / no; Using the edge of the outer side 762 of the first grid 7a in the transverse direction /no as a reference. for this form; The specified distance is zero (0). Especially in SFL side flap the first grid 17 and the second grid 7b are joined so that edge 763 of the second grid 7b overlaps the Tel edge of the first grid 7a. similarly; In the SF2 side flap the first grid 17 and the grid are joined

5 the second 7b such that the Ted edge of the second grid 7b overlaps the edge 762 of the first grid JT of this pattern; The dimensions of the first grid 7 in the longitudinal direction (cL), that is, the dimensions of the two sides (Tel 762), and the dimensions of the second grid 7b in the longitudinal direction, that is, the dimensions of the two sides, 783 (Ted) are identical for each side flap [5. SIN both sides of the second grid 7b that They extend along the transverse direction / not far from both ends 763 Ted (one side) in the longitudinal direction A they overlap Wa direction

0 thickness 1 with both sides of the first grid 17 running along the transverse direction / not far from both ends (Tel 762 (one side) in the longitudinal direction A. In other words, three of the four sides of approximately rectangular shape of the second grid B overlap Wiis with three of the four sides having an almost rectangular shape of the first grille JT Each side flap of the SF also includes an expansion part 12 like an elastic spandex material. The expansion part is 12

5 is a layer-like part that has the ability to expand in the transverse direction //a and is placed between the grid

The first is 17 and the second network is 7b. for this form; In the SFL side flap the first grid gag 17 extension 12 is joined with the Tel edge of the first grid 7 as a reference; such that the edge of the outer side 1 of the expansion part 12 in the transverse direction //a is at a specified distance (< 0) from the reference on the inner side in the transverse direction //a. similarly; In the SF2 side flap the first grid 17 and the expansion part 12 are joined with edge 762 of the first grid 7a as a reference; such that the edge of the outer side 1262 of expansion part 12 in the transverse direction W is located at a specified distance (< 0) from the reference on the inner side in the transverse direction /no. for this form; In the SFL side flap, the expansion part 12 is joined with the first grid 7a so that the edge 1261 of all part 12 is separated from the Tel edge of the first grid 7 by a specified distance (> 0). similarly; in side flip 0 552; The expansion part 12 is joined with the first grid 17 so that edge 1261 gyal expansion 2 is separated from edge 762 of the first grid 17 by a specified distance. for this form; Each expansion segment 12 is placed in the first grid 17 in such a way that the eda from the inner side of expansion segment 2 in the transverse direction W overlaps the corresponding side flap attachment site SF using the absorbent body LAB in other words; Each ga expansion 12 is placed in the first grid 17 in such a way that there is part 5 of the inner side iad expansion 12 in the transverse direction/la towards closer to the inner side in the transverse direction/la from the edge ABe of the absorbing body AB In the area of each of the side flaps SF where the first grid 7a is placed; gyn expansion 12 and the second grid 7b on top of each other the expansion region 13 is formed over which sha) the expansion is processed so that each of the lateral flaps SF is intercepted in the longitudinal direction LL OS is formed from 0 side flaps SF so that it is able to expand outward in the transverse direction //a through the work of the expansion area 13. IS from the connecting strips 8; 8 which extends from the outer end in the transverse direction / not to the side flaps (SFT 572) is attached by means of an adhesive sale; ie, at any location on the skin-contact side of the first web 7a; on the non-skin-friendly side of the second grid 7b ; or 5 between the first grid 17 and the second grid 7b in the direction of thickness T of this pattern; it is placed between

first grid 7 and second grid 7b; Also towards the non-skin side of the stretch ga 12. The connection straps 8 can be hook-and-loop type fasteners or adhesive tape. In the side flap SFT the first grid 17 and the jointing bar 8 are joined with the edge of the outer side 781 of the first grid 7a in the transverse direction / no for reference; in such a way that the edge extends to the side

The outer 18 of the connecting strip 8 in the transverse direction / no from the reference outward in the transverse direction W at a distance of sada (> 0). similarly; In the SF2 side flap, the first grid 17 and the connecting band 8 are joined with the edge of the outer side 762 of the first grid 7a in the transverse direction / except for reference; in such a way that the edge extends the outer side 828 of the connecting link 8 in

0 Transverse direction /except from the reference outward in the transverse direction //a at a specified distance. for this form; In the SFT side flap the first grid 17 and the junction bar 8 are joined in such a way that edge 818 of the junction 8 is separated with respect to the Tel edge of the first grid 17 at a specified dimension. similarly; in side flap 2]5; The first grid 7a and the connecting strip 8 shall be joined in such a way that edge 862 of the connecting strip 8 is separated from edge 762 of the first grid 17 at a specified distance.

5 Include the absorbent product 1 Lad the junction target part 14 in the abdominal girdle region 52. The junction target part 14 Ble is on a layer of to be attached with the junction tapes 8; 8; and when the splicing bars are 8; 8 are hooks for hook-and-loop fasteners; For example; The target part of the connection 14 is the ring for the hook-and-loop fastener; or when the junction bars are 8; 8 are adhesive tapes; be part

0 adhesion target 14 is a layer that can adhere pressure-sensitively using adhesive tape. The junction target 14 is bonded with sale adhesive at a site on the surface on the non-dermal side of the outer layer 9 in the abdominal girdle region 52; For example. The 1 Wad can include a pair of ventral lateral flaps (not shown) that extend outwards away from both ends of the 88 absorbent body in the transverse direction //A in the girdle region

Abdominal 52. The pair of abdominal side flaps are layers to attach the aha abdominal area 52 to the posterior girdle area 51 during wear. A ly absorbent product production apparatus for this model will now be described. Figure 2 shows an example of creating an apparatus for the production of 50 absorbent products 1. The production apparatus includes 50 cutting units 50A; [oda] network connection unit

lateral 50b » central network expansion unit 50c; Bang set part 50 003 d; 250 junction bar tie-down unit; Unit 2a semi-cured layer 50g and absorbent body forming unit 0h. For conveying the absorbent product 1 and its constituents the production device has a direction 50 MD ali transverse direction on the machine 000 perpendicular to the direction of the machine MD along the conveying surface; and thickness direction

0 10 orthogonal to machine direction MD and transverse direction to machine 00. Longitudinal direction; The transverse direction and thickness direction of the absorbent tool 1 and its component materials are identical to the machine direction (MD) the transverse direction on the instrument CD and the thickness direction (TD) respectively. Hence, for the absorbent tool 1 and its component materials also the machine direction (MD) is used The transverse direction on the machine (CD) and the thickness direction (TD) as the longitudinal direction; the transverse direction and the thickness direction, respectively.

5 The cutting unit includes 150 WRI rollers and a 51 cutting device. The WO material net of the WRI roller is inserted in a rolled state; It is rolled up for use. So; While the WO web should have a fixed dimension in the transverse direction (transverse direction on the machine); It has a dimension that includes a difference produced during winding and unwinding operations. The cutting device includes 51 cutter rollers and an anvil rollers placed opposite each other. The cutter roller has two cutting blades on the outer circumference and extends along a direction

0 rotation; They are spaced at a specified distance in the direction of the spindle. Cutting device 1 cuts the web of material WO 253400 with it from the WRT roller between the cutter roller and the anvil roller; MMA JE center net 1//1/0 and 1st and 2nd side nets WE20 (WE10) Center net stretcher 50g includes entry disc rollers 58; expansion device 59 and exit disc rollers 60. accommodates entry disc rollers 58 and exit disc rollers 60 Central network tension

WMT (WMO) Expansion apparatus comprising 59 pairs of expansion rollers positioned opposite each other. A pair of expansion rollers shall have, on their corresponding outer circumferences, a set of projecting segments and recesses (teeth and grooves) that extend along the direction of rotation and are aligned alternately in the direction of the shaft The expansion device 59 extends the central grid WMO between the segments and the protruding grooves of the pair of expansion rollers which engage the SAAN-capable WMT center grid (JE lal) in the transverse direction on the machine. Bang (aul) ga mode Expansion 50d cutting device 62; casing device 63 and cutting device 64. The web of the WLO expansion part of the roller WR2 has a “difference”; similar to the web of the material WO the cutting device cuts 62 ha the expansion WLO supplied with The pulley WR2 is centered in the transverse direction 0 on the machine; between the cutter pulley and the anvil pulley positioned opposite each other; which JK pair of two grids Shall 11//a” lad WL2 Casing laying device 63 one side JS of a pair of nets of expansion part 11//a WL2 using an adhesive (eg hot melt adhesive).The cutting device comprises 64 cutter rollers and an anvil rollers positioned opposite each other; and a pressure pulley positioned opposite the anvil pulley. The cutting device pulls 64 pairs of gia tamnad 1 a/l/a WL2 5 supplied with it between the cutter roller and the anvil roller on the outer circumference of the anvil roller; while it is cut with the dimension (dail) in the direction of the machine by the cutter roller cutting blade; thus forming a pair of stretching shal 112. Also, the adhesive-sealed surfaces of the expansion segments 112 are pressed against the central grid WMT and bonded using a pressure roller, thus forming a central web WM2. ; Casing Laying Device 67 and Cutting Device 68.0 Suffer WTO Jointing Tape Net of Roller “ial pe WR3 Similar to Material WO Netting Device 66 Cuts WTO Jointing Tape Supplied from WRB Roller at Center in Direction transverse on AN) between the cutter pulley and the anvil pulley facing each other andl from JE Pair of Jointing Bar Grids Calis WT2 WT Casing Device 67 1 side each of a pair of 0/11 Jointing Bar Grids WT2 Using an adhesive (eg; hot melt adhesive). The cutting device includes 68 cutter rollers and an anvil rollers lie together

some; and a pressure roller placed opposite the anvil pulley. The cutting device draws 68 pairs of 0/11 WT2 joint bar webs supplied between the cutter roller and the anvil roller on the outer circumference of the anvil roller; While it is cut to the specified dimension in the direction of the machine by the cutter roller cutting blade; thus forming a pair of jointing tapes 108. Lia The surface of the adhesive-coated jointing tape 108 is pressed against and attached to the central grid 1/2//a using a pressure roller; From what JE is a central network WM3 that includes a folding unit 50 and a folding device 70 that includes a die-casting router. The folding device 70 folds inward the extended sections of the pair of connecting straps 8; 8 which lam towards the outer sides of the central grating WM3 in the transverse direction on dN) at specific locations on both ends of the central grate 0 1013 //a in the transverse direction on the machine. In this case; The fold is made in such a way as to cover the side of the central web 10/0/43 opposite the side with the expansion parts 112. Thus forming the central grid WM4 [a3 unit includes side web band 50b entry disc rollers 52; Expander 53; Exit disc rollers 54 Casing setting device 55 and pressure roller 56. Entry disc rollers 5 52 and exit disc rollers 54 isolate the tension of the first and second side grilles WE11 WE10 0/0 221//. The stretching device includes 53 pairs of stretching rollers placed opposite each other. have a pair of expansion rollers; on their corresponding outer circumferences;. A group of projecting segments and grooves (teeth and grooves) extending along the direction of rotation and aligned alternately in the direction of the shaft. The expansion device 53 supplies the first and second side grids 10/510 WE20 between the 0 segments and projecting recesses of the pair of reciprocating expansion rollers; JE 1st and 2nd side grids (WET 0/221) adjustable 2340 in the transverse direction on the machine. The wrapper 55 attaches one side each of the 1st and 2nd side grids WE21 (WELT) using adhesive (eg » sale hot melt adhesive).The pressure roller 56 is pressed and connects the two sides of the first and second side grids WE21 (WELT) on which the adhesive 5 is coated against the central grid WMS thus forming a semi-cured WPL grid

The semi-treated layer ala unit 50g includes entry disc rollers 72 (expanding device 73) exit disc rollers 74 and cutting device 75. The entry disc rollers 72 and exit disc rollers 74 relieve the tension of the WPT semi-treated net 02//a. include stretching device 73 pairs of ail rollers) placed opposite each other. A pair of rollers shall have expansion on their corresponding outer circumferences;

A group of prominent segments and grooves (teeth and grooves) extending along the direction of rotation and aligned alternately in the direction of the shaft. 23a) Expander 73 The WPT semi-treated web between the segments and projecting recesses (or teeth and grooves) of a pair of expansion rollers. The cutting device includes 75 cutter rollers and an anvil rollers alternately placed opposite each other. The cutting device 75 cuts the expanded semi-treated web (WPT) in exact dimensions in the direction of the machine by means of the cutting blades of the cutter roller; Than

Ka 0 Semi-Treatment Grids WP2 i.e. Components for Individually Separated Side Flaps

JE sorbent body forming unit 50h sorbent body AB The method of shaping the sorbent body AB may be any method generally known in prior art. The semi-cured grids WP2 i.e. the constituent parts of the individually separated side flaps 10 are joined to the rear belt region 5 51 of the absorbent body AB resulting in the production of the absorbent product 1. The method of producing the absorbent product Ug of this model will now be explained using a reference to Fig. 2 to Fig. 5. Schematically show Fig. 3 to Fig. 5 an example of creating a network or semi-processed network; In order to explain the method of producing an absorbent product. Fig. 3 to Fig. 4 shows each network or semi-processed network transported along the machine direction (MD) from top to bottom in the graphs, which id parts of each network or semi-processed network 0 extend continuously in the iad MD direction AY) direction towards and direction away from an imaginary central axis line extending in the direction of the machine through the center in a direction transverse on the machine relative to the surface of the Jal (or central lattice) directions inward and outward in the direction transverse on the AN include the said method of production Cutting Step (Cutting Unit 50a) » Side Netting [oa] Step (Stretching / Attaching Side Netting Unit 50b); Central net expansion step (50g core net expansion unit); 5 ein stretch laying step (2303 50d part laying unit)» jointing bar bonding step (bar bonding unit

Al-Wasl 50 AH); The all step (folding unit 550 (¢ semi-cured net stretching step Bang) semi-cured layer stretching 50g) and absorbent body forming step (absorbent forming unit 50h). in the cutting step; According to CRA in Figure 02, the continuous material network similar to the WO layer is supplied to the cutting device 51. The material WO network is a network of the first network 7a and a pair of

second window 7B; 7b; and according to hall in Fig. 3(a); includes gal) 107 set to be the first grid 17 and a pair of a second grid 7b; 7b. The web WO sald unrolled from the reel oe WRT suffers a difference in its dimensions in the transverse direction on the AN The net of the material WO is cut off by the cutting device ST which (JE according to hal) In Figure 3b)” the central network 1/0//a and the first and second side networks 10/810 WE20 which

0 respectively adjoins the first or other side of the WMO central grid in the transverse direction on the machine. The center grid shall have dimensions transverse to the machine (width) determined by the distance specified between the two cutting blades of the cutter roller of the cutting device 51; It includes part 1107 of what is slated to be the first grid 7a. Both the first and second sidegrids 10/210 WE20 include part 107b scheduled to be the second grid August.

5 Since the WMO central grid is cut from the WO sald grid) by two cutting blades placed at a spacing at a specified aed in the transverse direction on the machine; It is theoretically possible (all) to vary the dimension in the transverse direction on the machine; That is, the dimension in a transversal direction on the machine can be a designed dimension. In other words, the first edge 1© (first edge) and the other edge Q2 (second edge) of the central WMO network are at the appropriate locations relative to the transport surface (not

(mass 0 for the device produces 50 and therefore it can act as a reference in a transverse direction on the machine when placing other networks on the central network WMO The same applies to both ends of Q2 Ql central network 1//1/11-10/0/ 4 Semi-processed WP2 WPI grid The first and second side grids WE20 (WELO) are the residuals after the WMO central grid is cut out with no dimension difference in the transverse direction on the machine; from the WMO grid

Material WO that has a difference; It therefore suffers from a dimension difference in the transverse direction on the machine. after that"; The WMO core network is supplied to a step that extends the core network; ging The first and second sidenets WE20 (WELQ) are supplied to the [ola step of the sidenetwork band. In the next central network stretching step, as shown in Fig. dilation dallas is made le) sabil

Example » 2303 gear processing) on the WMO central grid in transversal direction on AV) by lea expansion 59; This forms a central WMT network capable of bad in the transverse direction on the machine; As shown in Figure 3(c). WMT's central network includes Part 1107, which is slated to be the first network, 7a. The WMT central network is supplied with Aad gia mode step

0 in the first-stage process of the side-netting/stretching step; according to Chal) in Fig. 2; The first and second connected sidegrids similar to the WE20 layer (WE10) are supplied to the expansion device 53. Expansion dallas (eg; gear ada processing) are performed on both the first and second sidegrids (WETQ 1/0 /2520 in a transverse direction on the machine by means of the device (ada) 53; thus forming two side grids 1st and 2nd (WELT 0/21 capable of ddl in the direction

5 accidental on the machine; According to cal in Figure 3(c). Both the first and second side webs include WE21 (WELT part 107b). The second web is slated to be 7b. The first and second side webs WE21 (WELT) are conveyed by the pressure roller 56 through the exit disc rollers 4. The process after the stretching step is described below / Attaching a side net. In the step of placing a part (Al Al according to dll in Figure 2; the expansion part net is provided

0 connected layer similar to the WLO of the shard 62. The WLO spanning gia network is a spanning 12 segments network; and according to Gaal) in Fig. 3(d); The gia 1112 includes a shal of expansion 12. The WLO expansion part web unwound from reel WR2 suffers from a dimension difference in the transverse direction on the machine.

The WLO expansion part web is cut in half in transverse direction on the machine by cutting device 2. This forms a pair of two WLT 12 gia expansion nets with half of the original dimension in transverse direction on the machine and is transported along the transverse direction on the machine. A pair of expansion part nets 1-1//A2//A is supplied for the 64 cutter. For this model; The ja stretch web WLO is cut at the center in the transverse direction on the machine. This allows to reduce the difference in dimensions of the expansion part grid

(WLI 2a//a) in a transverse direction on the machine (the transverse direction) to about half, thus reducing the dimension difference in the expansion parts 112 by about half, as explained below. As a result, it is thus possible to obtain a suitable proportional relationship More for the locations between the expansion parts and the other parts.

10 A pair of expansion grids gia 11//a” WL2 is cut to the specified dimension in the direction of the machine by the cutting device 64. A pair of expansion segments 112 is thus formed. The expansion segments 112 are mainly expansion segments 12. Also Press the adhesive-coated surface of a pair of expansion segments 112 against the central grid WMT and bind them using a pressure roller” forming a central grid WM2 oll A pair of expansion segments 112 is positioned superimposed using the central grid

5 1/0/1011 in the direction of thickness TD is supplied with the central grid WM2 to the step of connecting the joint bar. For this model, one of the pair of expansion fragments 112 is placed at a specified location on the core grid 1 using the Q-edge of the WMT core grid as a reference; While the AY pair of expansion segments 112 is placed at a specific location on the WMT backbone using edge Q2 of the WMT backbone as a reference. Since the locations of the two ends of Q2 “QL” the appropriately positioned central grid

WML 0 is used as a reference for positioning expansion 112 fragments on the main grid (WMT) It is possible to place expansion 112 fragments at the appropriate locations i.e. designed locations and obtain a proper relative location relationship between ala 112 fragments and the other fragments. For this model, the dimensions of the expansion parts 112 in the direction of the machine are smaller than the dimensions of the center web WMT in the direction of the machine. Therefore, during the continuous production process in the direction of the AV parts

5 Extensions 112 to be attached at locations 1107 of the first network 17 Machine-oriented alignment of the network

WMT mainframes are separate from each other and therefore do not affect each other. Thus, the expansion segments 112 can be connected to the WMT central network in the case of small variation Blas due to external factors (for example; changes in tension in the direction of the machine); This allows for the relationship of the relative locations between the expansion parts 112 and the other parts to be installed. Also since expansion parts 112 are not attached to dlls constant tension is applied; 112. The dimensioning accuracy of the expansion parts can be increased for this model; The dimensions of the expansion segments 112 in the transverse direction on the machine are smaller than the dimensions of the central web WMT in the transverse direction on the machine. So; Since the expansion parts 112 can only be placed at locations that are to be extended transversely on the machine (eg Jaa (SF areas of side flips), it is possible to limit the circumstance in which the attached expansion parts 112 0 retract periodically thus Cindy in the deformation of the central network WM2 in the transverse direction on the machine.This can stabilize the relative positions relationship between the central network WM i.e. the first network 7 or the expansion parts 112 and the other parts.After that; in the step of connecting the jointing bar (Banding step); According to Gall in Fig. 2, the WTO-like layer-like connected junction bar network is supplied to trimmer 66. The WTO junction Lays 5 network is a 8-layer junction tape network; By ll In Figure 4(a); a includes 8 is set to be Jay 8. The WTO tie-down net unwound from reel 143 //a suffers from a dimension difference in the transverse direction on . AN The WTO taping net is cut in half transversely on the machine by cutting device 6. This forms a pair of WT2 WT taping nets having half of the original dimension in the transverse direction 0 on the machine and transposed along the transverse direction on god. Supplied pair of WTI hitch bar nets 0/12 to trimmer 66. For this model; Jays web 0 joint is cut at the center in the transverse direction on the machine. This difference in the dimensions of the two webs of the WTL 10/12 hitch tape in a transverse direction on the machine (the transverse direction) allows it to be reduced by about half; Thereby reducing the dimensional difference of the 108 splice tapes by about half; According to the annotation

below. Thus, it is possible to obtain a more suitable relative relationship for the locations between the expansion parts and the other parts. A pair of two webs of 0/11 0/12 joint tape are cut dimensionally contoured in the direction of the machine by the cutting device 66; This makes JE a pair of 108 junction bars. The 108 junction bars are shaped like

Joint strips 8. Also, the adhesive-coated surfaces of the joint strip pair 8 are pressed against the central grid 1/12// and its band using a pressure roller;» thus forming a central network 3. A pair of jointing tapes 108 is placed so that it is superimposed using a pair of dal segments 112 and the central network WM2 in the direction of thickness TD The central network WM3 is supplied to with the step of folding.

0 for this form; One of the pair of 108 splice tapes is placed at a specific location on the backbone 2 using one edge 1© of the backbone WM2 as a reference; in such a way that the section extending outwards away from edge (Q1 and end AY) of jumper pair 108 is positioned at a specified location on core grid 1/12//a” using the other edge Q2 of core grid WM2 for reference; in such a way that the section extending outwards away from edge 92. Since the positions of the two ends of Ql

5 02 Properly Positioned Center Grid WM2 is therefore used as a reference for placing the splice tapes 108 on the central grid WM2 The splice tapes 108 may be placed at appropriate locations; which websites are designed; And to obtain a suitable relative relationship for the sites between the 8 link bars and the other parts. In the next folding step; According to CRAY fig. 2 and fig. 4(b); The extended sections of a pair of tapes

0 join 108,; 108 which is taken from the sites of both ends of ©91; 02 Central web WM3 in transverse direction on the machine towards both outer sides is folded inward by folding device 70 in the transverse direction on the machine. In this case; Folds in such a way that it covers the side of the WM3 central grid opposite the side over which the 112 expansion segments are placed. Thus the WMA core network is formed The WME core network is fed to the process following the stretching/joining step

5 side grid.

after that"; In the subsequent process (forming step) of the side web stretching/binding step; According to Call in Fig. 2) Wrapping is done with adhesive (for example, sale (JU hot melt adhesive) on one side of the first and second side nets WE21 (WELT) by means of the wrapper 55. Pressing roller 56 and lacing The sides covered with adhesive for the first and second side grids (WELL 5 10/221 vs. the central grid WME) with this the first and second side grids (WELT 1/0/2521) are attached to both sides of the central grid WM4 in which the expansion parts 112 are located Thus” as shown in Figure 4(c), a WPT semi-processed network is formed comprising the OS from the first and second side networks WE2T (WET) placed at both ends of the central network 0/4//. A semi-processed WPT network is a flip-flop network

0 side gall configured for side flap 10. The WPT semi-treated network is supplied to the semi-processed network ala step. for this form; The first side grid [WET] is placed at a specific location on the central grid 1 using edge 1© of the central grid can pe WMT and the second side grid WE21 is placed at a location ada on the central grid WMT using edge Q2 to the central network

WMT 5 for reference. Since the positions of the ends of Q2 < Q the appropriately positioned central network WMI is therefore used as a reference for placing the first and second sidenets WE21 (WELT) on the central network WMT it is possible to place the first and second sidenets 10/211 WE21 At the appropriate sites, that is, the designed sites, and obtaining a suitable relative relationship of the sites between the first and second side networks (WELT 0/121 and other parts.

0 for this form; Center grid 10/0/44 and first side grid 10/11 transversely positioned on the machine in such a way that one edge 1/1 transversely on the machine of the first side web [WEL] overlaps edge 1© of the central grid 1/ /1/1. Also, place the center grid WM4 and the second side grid 10/521 in such a way that one edge 1/2 transversely on the machine of the second side grid WED overlaps the edge 2© of the central grid WMT thus for the Gob

5 Place the ends of the outer sides 0/1 2 of the first and second side grids WE21 WE11

above ends QL 902; i.e. as a reference to the site; For the appropriately placed central grid 0/14/A/A, the effects of the dimension difference are removed at the two ends of the outer sides V2 VI of the first and second side grids WE2D WELT, even if the dimension difference exists; The dimension difference is carried towards the ends of the inner sides where it is not a problem. as a result; The relation of relative locations between the WME central network and the first and second side networks WE21 (WE11) can be fixed in the next semi-processed network 03a step; as shown in Figure 2; the WPT semi-processed network is supplied to the expansion device 73. Expansion treatment (eg gear expansion treatment) is also performed on all or parts of the surfaces at both ends of the WPT semi-processing grid (locations where the first and second side grids 10/811 (WE21) are placed transversely at 0 machine; by lal lea 73. This forms stretchable zones 113 in a transversal direction on the machine over all or locations of both ends of the WPT semi-processed grid Next; the WPT semi-processed grid on which the stretching treatment has been performed is cut according to the aad determined in the direction of the machine by the cutting device 75 according to the Call in Fig. 4(d); forming the WP2 semi-treated grids i.e. the constituent parts of the individually separated side flaps 10. the WP2 semi-treated grids i.e. the segments 5 constituent of the individually separated lateral flaps 10) conveyed by the absorbent body forming step. dalla extend both ends of the laminar body of the central lattice 1/4//a; Expansion parts 112 and the first side lattice WELT or the second side lattice WE21 i.e. the semi-treated lattice WPT can result in an alas function at the side flips dallas (sind .572 (SF) Expansion The degree of adhesion between the central lattice WM4 expansion fragments 112 and the first lateral network 10/511 or 0 the second lateral network 10/521, which reduces the possibility of their displacement from their positions.This can work to stabilize the relationship of relative locations between the central network (WMA 112 expansion fragments and the first lateral network 0/11 or the second side-lattice 0/221 along with the relative relationship of their positions using the other parts.In the following sorbent body step (JS according to add) in Fig. 2, component part 5 of the side flap 10 is supplied to the sorbent body forming unit 50 h. (La according to al in Fig. 5; done

Attaching the gall forming the side flap 10 to the body AB ald) which is formed by the absorbent body forming unit 50h. This completes Absorbent Product 1. As above; In this method produce an absorbent product; The 1st and 2nd material webs are fused transversely on the machine to form a single material web WO and the central section is cut transversely on the machine of the 0//a material web into a single concentric web WM of a given dimension (desired dimension) in the transverse direction on the machine. This allows the central network WM i.e. the first IT network composed of the layer to be formed without difference in dimensions in theory. At the same time; The first side web WET and the second side web WE2 on both sides in machine transverse direction of the central grid WET which are the remaining sections of the material web; It experiences 0 dimensional variation in the transverse direction on the machine. With this the first lateral grid WEL and the second lateral grid WE2 can be placed at a specified location of the central grid WM using both ends QL (first edge) and 2© (second edge) of the central grid de gun gall appropriately wm for reference. This allows you to move the difference in the dimensions of the first side grid WET and the second side grid WE2 towards the two ends of the inner side of the first side grid WET and the second side grid WE2 5 i.e. towards the inner side of the central grid WM where KEY is the dimension difference problem even if it exists; So that the effects of the difference in dimensions can be removed. Thus, it is theoretically possible to eliminate the dimension difference at both ends of the outer sides of the side flaps (SFT 5572). Additionally, by attaching a pair of jumper bars 108 to the specified locations of the central grid WM using both ends of Q2 “QL central grid ; which does not suffer from a theoretical dimensional difference of 0 for reference; it is possible to place a pair of junction bars 108 at the appropriate locations of the central grid 7. This results in a proper proportional relationship to the locations of the constituent parts of the side flaps 10; or SF2 side flaps (SF) and the junction bars 8, which prevents over-stretching or the need to stretch the SF2 side flaps (SFT) of the absorbent body (AB) and prevents over-stretching or the need to stretch the jointing bars 8 of the side flaps (SF 572). WEL 5 and the second side grid WE2 that was cut from the grid of material WO are all used

effectively without producing traces of dimensional difference. Thus it is possible to increase the dimensioning accuracy of the side flaps without excessive use of materials. for this form; The two side networks, WE, are connected to the central network, WM, after connecting the link bars 8 to the central network, WM. With this, the two side networks, WE, can be connected instead to the central network, WM, after connecting the link bars 108 to the two side networks, WE, meaning ; The step of connecting the joint tape can be carried out between the first-stage process and the subsequent process of the [aa side-network joining step. In this case; The process goes like this. (1) After the first-stage operation of the side web expansion/tie step; a pair of link bars 108 is attached; 108 to the first and second sidenets WE2 (WET) using terminals 1/1 V2 of the first and second sidenets WE2 (WET 0) as a reference; in such a way that the ends R2 (R1) of the jumper pair 108 108 are placed at certain locations apart (2) After that, the first and second side networks WE2 (WET) are connected to the central network WM using both ends of Q2 “QL network WM as a reference so that the ends V2 V1 of the first and second sidenets WE2 (WET) overlap with both ends 1©; Q2 (post-process 5 of [oda join sidenetwork step 5). Thus a quasi-network is formed transversal WPT processing; jointing tapes 108 can be attached to the surface of either the first and second WE2 WET side-nets of the production device 50; the folding unit 50f is placed before the semi-cured layer 2303 unit 50g and after the side-netting stretching/bonding unit 50b; and the sang place joint bar tie 50e after first stage operation of side web stretching/bonding unit 50b and before subsequent operation of [oda] side net 0 join 250” alternatively a pair of joint bands 108 may be joined; 108 to the central network WM2 after connecting the first and second side networks WE2 (WET) to the central network WM i.e. the step of connecting the splicing tape can be performed after the subsequent process of the step of stretching/joining the side network.

In this case; The process goes like this. (1) After the step of laying the expansion part; The first and second sidenets WE2 (WET) are joined to the central network WM using both ends of Q2 “Ql the central network WM as a reference so that the VT 2 ends of the first and second sidenets WE2 (WET) overlap with both ends 1©; Q2 (the process after [oda join side network step).

(2) after eld a pair of splice bars 108 is joined; 108 to the central network WM or the first and second sidenets WE2 (WET) using both ends of Q2 “Ql central network WM as a reference; in such a way that the ends 41 R2 of the jumper pair 108 108 are at separate locations away from Both ends Q2 QL by a certain distance.So a quasi-WPT dallas network is formed casually” A pair of joint bars 108;108 are placed on both sides

0 external to the central network, of WM, two side networks, 1st and 2nd, WE2 WET on production device 50; The folding unit 50f is placed before the semi-cured layer stretching unit 50g; The splicing tape bonding unit 50h is placed before the folding unit 50 and after the [oda] side webbing unit 50b and the ha laying unit stretching 0kd. In these cases, Lad can show the same function and act in the same way as the sorbent product

5 described above and illustrated using Fig. 2 to Fig. 5. Gig For the preferred placement of this model, the exact locations where the OS is placed from the pair of expansion segments 112 using terminals 91; Q2 WMI central network for reference; in the gia mode step of the expansion; Ble can be reported for locations where the IS from the 108 jumper pair overlaps the central WM grid in the thickness direction. In other words, the WM 108 splice tapes and expansion parts can be placed in the central network

0 112 so that in Alla it is a mutual overlap. The placement in these locations is Mails because expansion parts 12 joint bars 8 and first grid 17 (central grid Ge (WM) show SF side flaps functions according to this model; joint bars 108 or expansion parts 112 can be placed at locations suitable for the central network WMT by using the positions of Q2 QL terminals of the appropriately placed central network WMT as a reference.Thus it is possible to obtain the relative relationship

5 suitable for the locations between expansion parts 112 and joint tapes 108. Furthermore; Bg to put

Preferred AT for this model » The specified locations can be Jie locations in the transverse direction on the machine; Terminal 01 of one of the expansion segments 112 is at a location at sada distance inward from edge 1© of the WMT core grid and terminal 02 of the other expansion segments 112 is located at a location at sada distance inward away from edge 02 of the core grid WMI 5 according to Al in Fig. 3(d). These locations are preferable because expansion segments 12 and first grid 17 (center grid (WM) work together to demonstrate the functions of the SF side flaps for this model; terminals 91;Q2 overlap central grid WMT and terminals 01;02 for expansion segments 112 in the direction of thickness so that it has the relative relationships (Badal) of the sites” using the positions of the two ends of Q2 “QL the appropriately placed central network WMT as a reference. Therefore it is possible to obtain the appropriate relative relationship 0 of the locations between the central network WMT and the expansion parts 112 .ay for AT mode is also preferred for this model The locations specified can be locations where parts of the inner sides of a pair of expansion parts 112 overlap transversely on the machine with the locations of attachment of the parts constituting the side flaps 10 using the absorbent body AB Using the positions mentioned, the fulcrum sda and the contraction of the expansion parts 12 is the sorbent body 88 of which 5 has a stable position thus allowing the stabilization of the movement of the ola) and the contraction. In this case; Expansion segments 112 are placed using the sites that overlap the appropriately placed central grid 1 in thickness direction as a reference; and also developed using the attachment sites of the constituent parts of the side flaps 10 to the absorbent body AB as a reference; This allows, therefore, to obtain a more appropriate relative relationship of the sites between the parts of extension 112 and the other parts. also according to another mode also preferred for this 0 form; In the step of connecting the joint bar; One of the connecting tapes 108 108 shall be joined to the center grate WM2 in such a way that it extends outwards away from both ends of Q2 “Ql the center grate WM2 in the transverse direction of the machine; at a distance of sada in this case; a pair of link bars 108 is attached; 108 to the WM2 core network using the positions of the R2 ends (RI) of the jumper pair 108 108 as a reference, in such a way that their distances from the positions of the Ql ends

2 Appropriately positioned core grid WM2 Counts specified dimensions. Therefore, it is possible to obtain the appropriate relative relationship of locations between the central network WM2 and the junction bars 108. Second Model The second model will now be illustrated. The following illustration would focus on the differences from the first model. Figure 6 is a graph of the sorbent product cid 1 according to the second model. In sorbent product 1 An) in Fig. 6 (second embodiment)” the assembly of the side flaps (SFI 552 (or component construction for side flaps 10) differs from the sorbent product 1 shown in Fig. 1 (first embodiment). SF2 (SFT of Fig. 1; the first grid 7 of side flap 571 and the first grid 7 of side flipper SF2 consist of a single joint grid. In side flippers 571 SF2 0 of Fig. 6; with this the first grid 17 of side flipper 571 and grid The first 7 of the SF2 side flap is made of two separate nets.This can reduce the amount of the first net 7 used and reduce the cost.Fig. 7 and Fig. 8 are graphs showing the production method of the pipette 1 according to the second model. Figure 1 (7) and (b) correspond ) and Fig. 8 Fig. 3)), (b) and Fig. 5. In the production method of Absorbent 5 Product 1 shown in Fig. 6; in the cutting step, the layer-like continuous material network is supplied to the cutting device 51; as shown in Fig. 7) In addition to the two cutting blades, the cutter roller of the cutting device 51 includes a third cutting blade that moves along the direction of rotation on the outer circumference and is positioned midway between the two cutting blades in the direction of the shaft. The web of material WO is cut off by cutting device 51; which constitutes; According to Gall in Fig. 7(b) the central grid WMO 0 and the first and second side grids WE20 (WELD) which respectively adjoin the first or other side of the WMO central grid in the transverse direction on the machine. At the same time; The WMO central grid is also cut into two equal parts by the trimmer 51, making Kid the two central grids 10/1/01 1/0/1/02.In this case, the edge of the outer side of the WMOL central grid is at Transverse orientation on the machine is 1© (first edge); the edge of the outer 5 side of the center grid is 1//1/02 in transverse orientation on the machine is 92 (second edge).

Other production steps correspond to Figures 3(c) and ed) and Figures 4(a) to (d); In order to complete the absorbent product 1 it finally has the formula anual Fig. 8 (Fig. 6). Similarly, this model can drive the same action and impact as the first model. The Gy absorbent product of the invention Mall is not limited to the embodiments described above (Sarg) Appropriate combinations and modifications are applied without departing from the scope and intent of the present invention. Reference Mark List 1 Absorbent product 8 Jointing tape 7 First grid 0 7b Second grid 1; SF2 side flaps WO grid sale WM center grid WE2 (WEL) two side grids

Claims (1)

Claims 1- A method for producing an absorbent product comprising an absorbent object; a pair of lateral flaps extending outwards away from both ends in the transverse direction of the absorbent body; and a pair of connecting straps extending away from the outer ends of the pair of side flaps in the transverse direction; The OS of the pair of side flaps includes the first and second grids superimposed using the first grid in the direction of thickness; Where each pair of side flaps comprises an extending member which has the capacity to extend in the transverse direction; Whereas, the method of producing the absorbent product includes: a cutting step of cutting a single material web extending in the direction of the machine along that direction in order to form a central web of the first web located at a center in a direction transverse to the machine and perpendicular to the direction of the machine; a first side web and a second side web of two second webs” on call adjacent to the central web 0 on one or the other side of the central web in the transverse direction on the machine; The central web is cut into one or two layers in the transverse direction on the machine in the cutting step; (JS step) Using a first edge on the side of the first side net and a second edge on the side of the second side net of the central net as a reference; place the first and second side nets at the designated locations of the central net between the first and second edges without mutual overlapping” in order to form the two flip-flop nets lateral; a joining step for joining the pair of deal-bars to the designated locations of the central network or the first and second side-networks; using the first and second edges as a reference; so that portions of the pair of deal-bars extend outward from the first and second edges, respectively; and a step for placing an extension member (stretch ) to place the expansion member at the central grid locations where every 0 pair of splice bars overlap the central grid in the celal direction) before the forming step and the splicing step. 2- The method of producing the absorbent product in accordance with claim 1; Where the step of laying the expansion member includes: the step of cutting the web of one expansion member moving in the direction of the machine at the central location in the transverse direction on the machine; along the AB direction and cut according to the 5 dimensions specified in the machine direction in order to form a pair of expansion members. 3- The method of producing the absorbent product in accordance with Clause 2) wherein in the step of laying the expansion member, the pair of expansion members are placed on the central grid in a certain way so that the parts of the inner sides of the pair of expansion members overlap in the transverse direction on the machine using the attachment sites of the side flaps to the absorbent body. 4- The method of producing the sorbent product Bag of claim 2 or 3; The dimensions of the expansion members in the direction of the machine are smaller than the dimensions of the central web in the direction of the machine. 5- The method of producing the sorbent product Bag of claim 2 or 3; Where the dimensions of the expansion members in the transverse direction 0 on the machine are smaller than the dimensions of the central web in the transverse direction on the machine. 6>Production method of sorbent product Bg of claim 1; Wal includes: an extension step to perform extension processing on a layer body (composed of layers) of the core network; extension members and the first lateral network or the second lateral network; After step put extension member. 7. The method of producing the absorbent product in accordance with claim 1; where extension members are located between the first and second networks; The Load method includes: an expansion member placement step to place a pair of expansion members on the central grid in such a way that the outer ends of the pair of expansion members are placed at special 0 positions at corresponding intervals specified inwards from the first and second edges; before the formation step. 8. The method of producing the absorbent product in accordance with claim 1; where in the formation step; The layers of the central web and the first side web are placed in such a way that one edge of the first side web 5 overlaps in the transverse direction on the machine with the first edge; png Layout of network layers — 3 7 — The central and second side grille in such a way that one of the two side grille rails overlaps in the transverse direction on the machine with the second edge; in the transverse direction on the machine. 9- The method of producing the absorbent product according to claim 1, where it includes a lacing step: a step of lacing one of the pairs of central net joint tapes in a certain way so that it extends outwards from the edge The first is in the transverse direction on the machine at a specific dimension (cline) and the other is attached from the pair of joint tapes. with the central web in a certain way so that it extends outwards from the second edge in the transverse direction on the machine at a preset value. > a fries Oy 31 2 a 7 i { ; a r vi I Woe #7 1 Woe wl a a l alm 5 YO, od att 2 - o J : Q 5 1 5 lyh i i | a 1 » i 1 1 1 i § i 5 t ! 0 3 : i : : : 5 dal nh 3 i 4 03 : Pod ped bel i Ak 2 L 2 LL A 5 Ey Ty 1 : Ra woo eee 2 i Lge 84 0 vr ER A laht dal alawa Od Soy 20 l a aE + obo , ; s 8 ا ا ا ا ا ا ر ا AG ا TT TRY 1 : 0: a a a amass a a a a a l \ 0 b oF JK 45 t LA EER EY 5 1 3 3 3 0 3 1 NY EHR for Sh aE a ry FA 3 fed §: say sE Ey sab a sea by ve nesta Re 8 a 3] 0+ a the primed color pipette red ly ERE aaa EL A EL A F SR EEV rs Yer Yed Yed res BRE 8 YOO ay: en bed BBY a TM rE ye ef uy aes panty dan SE i 3 winter Ab El Me zat Nal’s work as the Lla’l A 2 Lf Et Lt fon 0: Taya “Re RY 1 vo ET Banas eis sh 1 Fd Keio 1 ¢ Ss Sen Masah YY E Um el TeV Al-Lal Madi 4 x i 3s 0 ie it Va i fled fel | 3 Ys ? 180 ug 0 ii HE : ! 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B: 0 1 i TO i i (oy: FEET) NET NAME TAYA LA 8 AJ JR HA RR hey 8 3 Adju ja lah ah ah ‘3 8 YEE inn OVE 3 ah 0 HERI GY 8 Eri LE me 52 m gf 8 EY REE m a + a EY 8 the EA FRR SHEN REE HEE 1 slap a thief Re ye ee AB RA AAA AAA AAA AAA ARRAN The Saudi Authority for Intellectual Property Sweden Authority for Intellectual Property pW RE .¥ + \ A 0 § Um 5 + < Ne ge “Benaj > Aye Ki Jada Li Days TEE Bbha Nase eg + Ed - 2 - 3 .++ .* provided that the annual financial fee is paid for the patent and that it is not null and void due to its violation of any of the provisions of the patent system, layout designs of integrated circuits, plant varieties and industrial designs or its implementing regulations. »> Issued by + BB 0.B Saudi Authority for Intellectual Property > > > “+ PO Box 1011 .| for ria 1*1 uo ; Kingdom | Arabic | For Saudi Arabia, SAIP@SAIP.GOV.SA