WO2014132453A1 - Method for manufacturing functional roll - Google Patents

Abstract

The functional roll (3) is provided with a shaft body (300), a roll body (303), flanges (302), and bearings (301). The roll body (303) is formed by stacking multiple modular functional rolls (X). The modular functional rolls (X) are formed by stacking multiple nonwoven fabric sheets (7, 8). The modular functional rolls (X) have a hole into which the shaft body (300) is inserted. The modular functional rolls (X) are unified.

Description

Method for producing functional roll

The present invention relates to a method for producing a functional roll.

Functional rolls have a liquid absorption (water absorption) function and a liquid supply (water supply, cleaning water supply) function in the roll body, and are used for product processing. For example, it is used for product processing in the manufacture of cars, iron making, films, electronic materials, and other precision instrument fields. Many functional rolls are also exported overseas.

Functional rolls have been conventionally assembled and manufactured integrally (for example, Patent Document 1 and Patent Document 2).

The functional roll described in Patent Document 1 is configured by superimposing a highly repellent non-viscous non-woven sheet and an anti-return sheet such as an adhesive rubber sheet in close contact. Specifically, an anti-return sheet such as a rubber sheet is interposed for each block.

The functional roll described in Patent Document 2 indicates the basic structure of the functional roll described in Patent Document 1.

Japanese Patent Laid-Open No. 5-180216 JP-A-3-219115

It is assumed that the functional rolls described in Patent Document 1 and Patent Document 2 described above are assembled and manufactured integrally and transported in a finished state as a product.

However, the functional roll has a large and long structure, and its transport is difficult. Moreover, since it is large-sized, the cost concerning conveyance is also high. In particular, the difficulty becomes significant when exporting overseas.

The present invention has been made under the circumstances described above, and aims to facilitate the conveyance of a functional roll.

In order to achieve the above object, the method for producing a functional roll of the present invention comprises:
A method for producing a functional roll having a rotating shaft and a roll body made of a nonwoven fabric sheet provided on the rotating shaft,
Laminating a plurality of non-woven sheets formed in a circular shape and having an opening in the center, with the mounting shaft inserted in the opening; and
A non-woven sheet group composed of a plurality of laminated non-woven sheets is sandwiched between a pair of first jig and second jig, and the non-woven sheet group is placed in a direction parallel to the mounting axis via the jig. Compressing into
Fixing the set of jigs together, and integrating the nonwoven sheet constituting the nonwoven sheet group; and
Heating the integrated nonwoven sheet group and bonding the nonwoven sheet constituting the nonwoven sheet group; and
Removing the mounting shaft and the jig from the non-woven fabric sheet adhered to each other, and generating a module comprising the non-woven fabric sheet adhered to each other;
including.

According to the present invention, a module of a functional roll (hereinafter referred to as a module functional roll) can be manufactured. Customers can assemble functional rolls using modular functional rolls. Therefore, it is only necessary to convey a module functional roll that is smaller than the functional roll to the customer, and the conveyance becomes easy.

It is a front view which shows the whole functional roll. It is a perspective view which shows a module functional roll. It is the perspective view which expanded a part of module functional roll. It is the perspective view which expanded a part of module functional roll. It is a perspective view which shows the laminated nonwoven fabric sheet. It is the perspective view which expanded a part of nonwoven fabric sheet. It is a perspective view which shows the laminated nonwoven fabric sheet. It is the perspective view which expanded a part of nonwoven fabric sheet. It is a perspective view of a nonwoven fabric sheet material. It is an enlarged view of the superimposed surface of a nonwoven fabric sheet material. It is an enlarged view of the section of a nonwoven fabric sheet material. It is a plane schematic diagram which shows the front half of the manufacturing process of a nonwoven fabric sheet raw material. It is a plane schematic diagram which shows the back half of the manufacturing process of a nonwoven fabric sheet raw material. It is a schematic side view of an omission showing an example of a press machine. It is a perspective view which expands and shows a part of press machine. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown. The manufacturing process of a module functional roll is shown.

(1. Functional roll)
FIG. 1 shows a functional roll 3 according to the present embodiment. The functional roll 3 includes a shaft main body 300 (rotating shaft), a roll main body 303, a flange 302, and a bearing 301. The shaft body 300 is cylindrical and hollow inside, and has pores on the outer peripheral surface. The shaft body 300 is provided with a groove extending in the axial direction on the outer peripheral surface (not shown). The roll body 303 is formed around the shaft body 300. The roll body 303 has a cylindrical shape having a hole through which the shaft body 300 passes in the center. A flange 302 and a bearing 301 are formed at both ends of the shaft main body 300, respectively.

The roll body 303 of the functional roll 3 is formed by stacking a plurality of module functional rolls X. 2A-2C show the module functionality roll X. FIG. The module functional roll X has a cylindrical shape and has a hole 300a in the center. The module functional roll X is formed by laminating a plurality of nonwoven fabric sheets 7 and nonwoven fabric sheets 8, and is unitized and cannot be disassembled unless special treatment is performed. Both the nonwoven fabric sheet 7 and the nonwoven fabric sheet 8 are thin disk-shaped, and the hole has penetrated in the center of the disk.

FIG. 3A and FIG. 3B show the nonwoven fabric sheet 7. FIG. 3A shows a state in which a plurality of nonwoven fabric sheets 7 are laminated. FIG. 3B is a fragment of the nonwoven fabric sheet 7. The outer peripheral surface of the nonwoven fabric sheet 7 is a circular peripheral surface 6, and a hole 5 (opening) passes through the center. There are slight irregularities on the outer periphery of the hole 5 (inner peripheral surface of the nonwoven fabric sheet 7). The shaft body 300 is inserted into the hole 5. A plurality of notches 7 a are present on the inner peripheral surface of the nonwoven fabric sheet 7 at predetermined intervals.

4A and 4B show the nonwoven fabric sheet 8. FIG. FIG. 4A shows a state in which a plurality of nonwoven fabric sheets 8 are laminated. FIG. 4B is a fragment of the nonwoven fabric sheet 8. The outer peripheral surface of the nonwoven fabric sheet 8 is a circular peripheral surface 10, and a hole 9 (opening) passes through the center. There are slight irregularities on the outer periphery of the hole 9 (inner peripheral surface of the nonwoven fabric sheet 8). The shaft body 300 is inserted into the hole 9.

2A to 2C, the module functional roll X is formed by alternately laminating a plurality of non-woven sheets 7 and a single non-woven sheet 8. A hole 300a of the module functional roll X is formed by laminating the hole 5 of the nonwoven fabric sheet 7 and the hole 9 of the nonwoven fabric sheet 8.

The diameter of the central hole 300a of the module functional roll X substantially matches the diameter of the outer circumference of the shaft main body 300, and the shaft main body 300 is inserted into the central hole 300a of the module functional roll X. The convex portions of the nonwoven fabric sheets 7 and 8 described above are inserted and locked in axial grooves provided in the shaft body 300, so that the circumferential displacement and deformation of the nonwoven fabric sheets 7 and 8 are prevented.

When the shaft main body 300 is inserted into the central hole 300a of the module functional roll X, the notch 7a of the nonwoven fabric sheet 7 faces the shaft main body 300, and the shaft main body 300 and the module functional roll X are separated from each other. A semi-cylindrical space is created between them.

On the other hand, the nonwoven fabric sheet 8 does not have a notch, and when the shaft main body 300 is inserted into the central hole 300a of the module functional roll X, almost all of the inner periphery of the nonwoven fabric sheet 8 is the shaft main body 300. To the outer periphery. By alternately laminating a plurality of nonwoven fabric sheets 7 having notches 7a, the nonwoven fabric sheet 8 has extended portions 8a that reach the outer periphery of the shaft body 300 around the hole 300a (the inner periphery of the nonwoven fabric sheet 8). ) At a predetermined interval. The extending portion 8a partitions a semi-cylindrical space formed by the notches 7a and the shaft main body 300 at predetermined intervals in the axial direction. By laminating a plurality of nonwoven fabric sheets 7 and a single nonwoven fabric sheet 8 alternately, the nonwoven fabric sheets 8 are arranged along the mounting shaft 2 at predetermined intervals.

Both the nonwoven fabric sheet 7 and the nonwoven fabric sheet 8 are porous materials. The nonwoven fabric sheet 8 (second nonwoven fabric sheet) has a lower density than the nonwoven fabric sheet 7 (first nonwoven fabric sheet). FIG. 5 shows a nonwoven fabric sheet material 1 that is a material of the nonwoven fabric sheet 7 and / or the nonwoven fabric sheet 8. On the overlapping surfaces 1 a and 1 b of the nonwoven fabric sheet material 1, a film-like crosslinked elastic body 100 exists. 6A is an enlarged view of the overlapping surface 1a of the nonwoven fabric sheet material 1 of FIG. FIG. 6B is an enlarged view of the cross section of the nonwoven fabric sheet material 1 of FIG. As shown in FIG. 6A and FIG. 6B, a crosslinked elastic body 100 exists on the overlapping surfaces 1 a and 1 b of the nonwoven fabric sheet material 1.

(2. Manufacturing method of functional roll)
(2-1. Production of non-woven sheets 7 and 8)
Hereinafter, the manufacturing method of the functional roll 3 mentioned above is demonstrated. First, the manufacturing method of the nonwoven fabric sheet raw material 1 used as the raw material of the nonwoven fabric sheet 7 and the nonwoven fabric sheet 8 is demonstrated. FIG. 7A and FIG. 7B show an example of a method for manufacturing the nonwoven fabric sheet material 1. First, as shown in FIG. 7A, a belt-shaped nonwoven fabric material B is laminated and superposed in a bowl shape on a transport conveyor A to generate a nonwoven fabric C having a width. Next, as shown in FIG. 7B, the nonwoven fabric C is immersed in a cross-linked elastic material storage tank D, and the cross-linked elastic material E is attached to the whole. By attaching the cross-linked elastic material E (cross-linked elastic body 100) to the front and back surfaces of the nonwoven fabric C, the cross-linked elastic material E is attached to the front and back surfaces (superimposed surfaces 1a and 1b). Then, the nonwoven fabric sheet material 1 is completed by performing post-processing such as washing and drying. The nonwoven fabric sheet 7 and / or the nonwoven fabric sheet 8 are formed using the completed nonwoven fabric sheet material 1. The non-woven fabric sheet 7 and the non-woven fabric sheet 8 may be formed by punching holes in the non-woven fabric sheet material 1 or may be formed by forming a band into an annular shape.

(2-2. Manufacture of module functional roll X)
Hereinafter, the method of manufacturing the module functional roll X with the formed nonwoven fabric sheets 7 and 8 is demonstrated. For the production of the module functional roll X, the press machine 12 shown in FIG. 8A is used. The press machine 12 includes a cylinder 1200, a frame 12a, and a presser bar 1201.

FIG. 8B is an enlarged perspective view of a part of the press machine 12. FIG. 8B shows a cylinder 1200, one tightening jig 16, and the mounting shaft 2. The mounting shaft 2 includes a cavity 2a, a pore 2b, and a locking groove 2c. The cavity 2 a is a cavity inside the mounting shaft 2. A plurality of pores 2 b are formed in the peripheral wall of the mounting shaft 2. The pore 2b communicates with the cavity 2a. The locking grooves 2 c are grooves extending in the axial direction of the mounting shaft 2, and a plurality of the locking grooves 2 c exist at predetermined intervals on the peripheral wall of the mounting shaft 2. A convex portion provided on the inner peripheral surface of the nonwoven fabric sheets 7 and 8 is inserted and locked in the locking groove 2c.

The presser bar 1201 in FIG. 8A can move up and down along the frame 12a. The presser bar 1201 includes the insertion hole of the mounting shaft 2 shown in FIG. 8B.

In the manufacturing process of the module functional roll X, first, as shown in FIG. 9A, the nonwoven fabric sheets 7 and 8 are sequentially fitted onto the mounting shaft 2 and placed on one fastening jig 16 (first jig). A plurality of nonwoven fabric sheets 7 and nonwoven fabric sheets 8 are laminated. That is, the nonwoven fabric sheets 7 and 8 are laminated in a state where the mounting shaft 2 is inserted into the holes 5 and 9. In the figure, the nonwoven fabric sheet 8 is not shown (the same applies hereinafter). Next, as shown in FIG. 9B, the other fastening jig 17 (second jig) fitted on the mounting shaft 2 is attached on the nonwoven fabric sheet 7 and the nonwoven fabric sheet 8 which are laminated in a predetermined number. Hereinafter, the process described here is referred to as a stacking process.

After the attachment, as shown in FIG. 9C, while holding the other fastening jig 17 with the presser foot 1201, the one fastening jig 16 and the laminated nonwoven fabric sheet 7 and nonwoven fabric sheet 8 are added by the cylinder 1200. Pressure and temporary tightening. In this pressurizing / temporary fastening step, the other fastening jig 17 is pushed down, and the laminated nonwoven fabric sheets 7 and 8 (nonwoven fabric sheet group) and one fastening jig 16 are pushed up. FIG. 9D shows a state after the pressurizing / clamping process. Thereby, the laminated nonwoven fabric sheets 7 and 8 are sandwiched between one fastening jig 16 and the other fastening jig 17, and the laminated nonwoven fabric sheets 7 and 8 are parallel to the mounting shaft 2 via the fastening jigs 16 and 17. Is compressed. In the pressurizing / temporary tightening step, pressure is applied between the plurality of strip-shaped cross-linked elastic bodies 100 scattered on the front and back surfaces 1 a and 1 b of the nonwoven fabric sheet material 1 by pressurization by the press machine 12. After the pressurizing / temporary fastening process, as shown in FIG. 9E, the fastening tool 18 is attached (tightening tool attaching process). Thereby, the fastening jigs 16 and 17 are fixed, and the laminated nonwoven fabric sheets 7 and 8 are integrated.

One module functional roll 15 is temporarily formed by sequentially performing the above-described laminating process, pressurizing / temporary tightening process, and fastening tool attaching process one by one. The lamination process, pressurizing / temporary fastening process, and fastening tool attaching process are collectively referred to as a module functional roll temporary forming process. FIG. 9F is a perspective view showing the temporarily formed module functional roll 15.

In the present embodiment, a plurality of module functional rolls 15 are temporarily formed by repeating the module functional roll temporary forming step a plurality of times. Specifically, as shown in FIG. 10A, the other fastening jig 17 for which the previous pressurizing / temporary fastening process has been completed is used as the one fastening jig 16 this time, and the pressurizing / temporary fastening process is performed. The non-woven fabric sheets 7 and 8 are sequentially fitted on the other fastening jig 17 for which a plurality of the non-woven fabric sheets 7 and 8 are stacked. That is, in the state where the mounting shaft 2 penetrating the nonwoven fabric sheets 7 and 8 integrated by the fastening jigs 16 and 17 is inserted, another plurality of nonwoven fabric sheets 7 and 8 are laminated. Thereafter, as shown in FIG. 10B, the other fastening of the non-woven sheets 7 and 8 (a group of non-woven sheets made up of a plurality of newly laminated non-woven sheets) that are laminated on the mounting shaft 2 as shown in FIG. 10B. A jig 17 (third jig) is attached (lamination process).

After the attachment, as shown in FIGS. 10C and 10D, a pressurizing / temporary fastening process is performed. FIG. 10C shows a state before the pressurizing / temporary fastening process, and FIG. 10D shows a state after the pressurizing / temporary fastening process. The laminated nonwoven fabric sheets 7 and 8 are sandwiched between one fastening jig 16 and the other fastening jig 17 by the pressurizing / temporary fastening process, and the laminated nonwoven fabric sheets 7 and 8 are mounted via the fastening jigs 16 and 17. Compressed in a direction parallel to the axis 2. FIG. 10E shows a state in which the fastener 18 is attached after the pressurizing / temporary fastening step (fastener attaching step).

A plurality of module functional rolls 15 are temporarily formed along the mounting shaft 2 by repeating the above-described module functional roll temporary forming process a plurality of times.

After the plurality of module functional rolls 15 are temporarily formed along the mounting shaft 2, the hanging jig 20 is attached to the upper opening of the cavity 2a of the mounting shaft 2 as shown in FIG. 11A. FIG. 11B shows a state after the hanging jig 20 is attached. After attaching the suspending jig 20, a plurality of module functional rolls 15 are suspended together with the mounting shaft 2 using a crane (not shown) and a wire 21 as shown in FIG. 11C, and as shown in FIG. The modular functional roll 15 is transported. In addition, in the lower part of FIG. 11C, the inside of the circle | round | yen enclosed with the broken line of FIG. 11C was expanded and shown. The module functional roll 15 is fixed by the fastening tool 18 and the fastening jigs 16 and 17 even when transported.

Next, a boil process is performed. In the boil process, a hot water bath 22 shown in FIG. 12A is used. Hot water is stored in the hot water tank 22. In the boil process, as shown in FIG. 12B, the module functional roll 15 is immersed together with the mounting shaft 2 in hot water. FIG. 12C shows the module functional roll 15 being immersed. The immersion time is about 1 to 2 hours. By the action of the hot water, the strip-shaped cross-linked elastic bodies 100 scattered on the front and back surfaces 1a and 1b of the nonwoven fabric sheet material 1 are welded by heat melting, and the module functional roll 15 is unified. That is, the nonwoven fabric sheets 7 and 8 are bonded together by heating. The module functional rolls 15 are not welded because the fastening jigs 16 and 17 are sandwiched therebetween.

Since the hollow portion 13a and the pores 13b are provided on the mounting shaft 2, hot water is uniformly immersed, and the welding proceeds efficiently and reliably. The cavity 13a and the pore 13b of the mounting shaft 2 function as a liquid passage hole.

After the boil process, a drying process is performed. A hot water bath 22 is also used in the drying process. Specifically, the hot water in the hot water tank 22 is drained (waste water), and the hot water tank 22 is used as a drying tank. In the drying step, first, as shown in FIG. 13A, a vacuum pump is connected to the hot water tank 22 via a hose, and the module functional roll 15 is dried and / or cooled. During drying and cooling, the cavity 2a and the pores 2b of the mounting shaft 2 function as vent holes. As an example, drying and cooling are performed by sending hot air of about 80 ° for about 10 hours, and then cooling.

After the drying process is completed, the module functional roll 15 is pulled up from the hot water bath 22 as shown in FIG. 13B. Next, as shown in FIG. 13C, the module functional roll 15 is transported to the press machine 12 together with the mounting shaft 2.

Next, the dismantling process is performed. In the disassembling process, as shown in FIG. 14, among the plurality of module functional rolls 15, the tightening tool 18 and the fastening jigs 16 and 17 are sequentially removed from the mounting shaft 2 in order from the lower module functional roll 15. Then, although not shown, final processing such as polishing and clarification of the surface of the module functional roll 15 is performed. As described above, a plurality of module functional rolls X are manufactured. In the module functional roll X, the nonwoven fabric sheets 7 and 8 are bonded to each other.

(2-3. Production of functional roll)
The module functional roll X is packed as it is and transported to customers such as factories and processing plants. And the functional roll 3 shown in FIG. 1 is finally assembled in the factory of a conveyance destination.

Specifically, by laminating a plurality of module functional rolls X so that the shaft main body 300 penetrates the hole 300a, the flange 302 is fitted to both sides of the shaft main body 300, and the bearings 301 are provided at both ends. The functional roll 3 shown in FIG. 1 is assembled. Thereby, the plurality of module functional rolls X are integrated with the shaft main body 300 inserted. Since the operation is an assembly operation, the functional roll 3 can be manufactured easily and in a short time without requiring skill. In addition, a special device (for example, the above-described press machine 12 or the like) is not necessary for the assembly work. Therefore, it can be performed at the customer site.

As shown in the above embodiment, if the module functional roll X is transported to the customer and only the final assembly of the functional roll 3 is performed at the customer, the module is smaller than the functional roll 3. Since the functional roll X has only to be conveyed to the customer, it is easier to convey compared to conveying the large functional roll 3. In addition, when a part of the module functional roll X of the functional roll 3 is troubled, the module functional roll X can be replaced by the customer.

The above is a description of a preferred embodiment of the present invention, and other embodiments that can exhibit the same object and features are of course within the scope of the present invention. For example, in the said Example, although the module functional roll X was manufactured using the nonwoven fabric sheet 7 and the nonwoven fabric sheet 8, it is good also as what manufactures the module functional roll X using only the nonwoven fabric sheet 7. FIG. That is, it is good also as what manufactures the module functional roll X with one type of nonwoven fabric sheet. Or it is good also as what manufactures the module functional roll X with three or more types of nonwoven fabric sheets.

In the above embodiment, the outer peripheral diameter of the nonwoven fabric sheet 7 and the outer peripheral diameter of the nonwoven fabric sheet 8 are the same, but not limited thereto. The diameter of the outer periphery of the nonwoven fabric sheet 8 may be shorter than the diameter of the outer periphery of the nonwoven fabric sheet 7. The non-woven sheet 8 may be the same material as the non-woven sheet 7. In the said Example, although the hot water tank 22 was used also as a drying tank, it is good also as what prepares a drying tank separately. However, if the hot water tank in the boil process is used in combination with the drying tank in the drying process, the operation can be performed smoothly and easily in the same place and tank. After the boil process of the above embodiment, a hose provided on the mounting shaft 2 may be connected to a pump to perform a vacuum process of sucking moisture.

DESCRIPTION OF SYMBOLS 1 Nonwoven fabric sheet material 1a Superimposing surface 1b Superimposing surface 100 Cross-linked elastic bodies 101, 102 Square frame 2 Mounting shaft 2a Cavity 2b Fine pore 2c Locking groove 3 Functional roll 300 Shaft body 301 Bearing 302 Flange 303 Roll body 303a Hole 5 , 9 Hole 6 Circular peripheral surface 7 Non-woven fabric sheet 7a Notch 8 Non-woven fabric sheet 8a Extension 10 Circular peripheral surface 12 Press machine 12a Frame 1200 Cylinder 1201 Presser foot 13 Mounting tool 15, X Module functional roll 16 One fastening jig 17 The other fastening jig 18 The fastening tool 20 The hanging jig 21 The wire 22 The hot water tank A The transport conveyor B The nonwoven fabric material C The nonwoven fabric D The cross-linked elastic material storage tank E The cross-linked elastic material

Claims (10)

1. A method for producing a functional roll having a rotating shaft and a roll body made of a nonwoven fabric sheet provided on the rotating shaft,
   Laminating a plurality of non-woven sheets formed in a circular shape and having an opening in the center, with the mounting shaft inserted in the opening; and
   A non-woven sheet group composed of a plurality of laminated non-woven sheets is sandwiched between a pair of first jig and second jig, and the non-woven sheet group is placed in a direction parallel to the mounting axis via the jig. Compressing into
   Fixing the set of jigs together, and integrating the nonwoven sheet constituting the nonwoven sheet group; and
   Heating the integrated nonwoven sheet group and bonding the nonwoven sheet constituting the nonwoven sheet group; and
   Removing the mounting shaft and the jig from the non-woven fabric sheet adhered to each other, and generating a module comprising the non-woven fabric sheet adhered to each other;
   The manufacturing method of the functional roll containing this.
2. The method for producing a functional roll according to claim 1, comprising a step of integrating a plurality of the modules in a state where the rotating shaft is inserted.
3. A step of laminating a plurality of non-woven fabric sheets different from the non-woven fabric sheet in a state in which the mounting shaft penetrating the non-woven fabric sheet group integrated by the first jig and the second jig is inserted;
   A non-woven sheet group composed of a plurality of newly laminated non-woven sheets is sandwiched between a pair of the second jig and a third jig different from the first jig and the second jig, Compressing the non-woven fabric sheet group in a direction parallel to the mounting shaft via the jig;
   The manufacturing method of the functional roll of Claim 1 or 2 containing this.
4. The method for producing a functional roll according to any one of claims 1 to 3, wherein the heating of the integrated nonwoven fabric sheet group is realized by heat of hot water.
5. The method for producing a functional roll according to any one of claims 1 to 4, comprising a step of adding a cross-linked elastic body to the surface of the nonwoven fabric sheet before being laminated.
6. The method for producing a functional roll according to claim 5, wherein the nonwoven sheet material used as a material for the nonwoven sheet is prepared by attaching a large amount of the crosslinked elastic body to the front and back surfaces of the nonwoven fabric.
7. In the step of laminating a plurality of the nonwoven fabric sheets,
   The manufacturing method of the functional roll as described in any one of Claims 1 thru | or 6 on which a 1st nonwoven fabric sheet and the 2nd nonwoven fabric sheet whose density is smaller than the said 1st nonwoven fabric sheet are laminated | stacked.
8. The method for producing a functional roll according to claim 7, wherein an outer diameter of the first nonwoven fabric sheet is larger than an outer diameter of the second nonwoven fabric sheet.
9. The method for producing a functional roll according to claim 7 or 8, wherein the second nonwoven fabric sheet is arranged at predetermined intervals along the mounting shaft.
10. The method for producing a functional roll according to any one of claims 1 to 9, wherein the mounting shaft has a hollow inside and a plurality of pores are formed in a peripheral wall.

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