JP6655288B2 - Printed pants-type disposable diapers - Google Patents

Description

  The present invention relates to a printed pants-type disposable diaper and a method for manufacturing the same.

  BACKGROUND ART Pants-type disposable diapers in which different designs are printed on each of a plurality of diapers are conventionally known. For example, Patent Document 1 discloses a method of manufacturing a disposable diaper in which at least three different designs are continuously printed on a design printing surface over the entire length of the disposable diaper body in the width direction. A method of manufacturing a disposable diaper that satisfies the relationship of A> B ≧ １ ／ A, where B is the width of the surface, is disclosed.

Japanese Patent No. 4781820

  According to the manufacturing method of Patent Literature 1, different designs can be printed on each of a plurality of diapers. However, since three types of designs having different widths are asymmetrically arranged on the entire surface of one diaper, the impression is likely to be incongruous.

It is an object of the present invention to improve a conventional printed diaper and to provide a plurality of pants-type diapers having an excellent appearance and a method for manufacturing the same.

The present invention is a plurality of pants-type disposable diapers housed in one package, wherein each of the diapers includes a pair of first decorative areas arranged on both side edges of the diaper in the width direction, and a width direction. A second decorative area disposed in a central area and connected between the first decorative areas, an absorber extending from a waist area of the diaper to a crotch area, and a width along a waist opening edge of the diaper; A third decorative area extending in the direction, the second decorative area is located at least in the presence area of the absorber, the pair of first decorative areas have the same design or different designs, It said second decoration zone have a different pattern from that of the first decorative area, the third decoration zone, and connected to the first and second decorative area, the symbols are printed on the third decorative gamut, The pattern of the first decorative area is different from the pattern of the second decorative area. Be different, the pattern of the pair of first decorative area is not different from each other, towards the dimensions of the second decorative area in the width direction is larger than the size of the first decorative area, at least one The design of the second decorative area of the diaper is different from the design of the second decorative area of at least one other diaper.

  Further, the present invention relates to a method for producing a pants-type disposable diaper having an absorber, and a step of continuously supplying a sheet material in a machine direction, and in the sheet material, a cross direction alternately arranged in the machine direction and orthogonal to the machine direction. Printing a pattern on each of a first printing area and a second printing area extending to the area, joining an absorber to a central area of the second printing area, and using a sheet material with the absorber inside. Folding the diaper in two along a folding line extending in the direction, cutting the sheet material along a cutting line extending in the cross direction of the first printing area to obtain individual diapers, and packaging the plurality of diapers into a package. Storing, wherein the symbols of the adjacent first printing areas are the same or different from each other, the symbols different from the first printing areas are printed on the second printing areas, and the symbols of the adjacent second printing areas are further printed. The patterns are different from each other Ri, when the positional deviation of the actual cutting position relative to cutting line and ± Amm, and wherein the dimensions of the first printing zone in the machine direction is 2A + 10 mm or more.

In the present invention, a plurality of pants-type disposable diapers having an excellent appearance, since the width of the first decorative area located on both side edges of the diaper is larger than the positional deviation width of the cutting position when cutting the diaper, A manufacturing method is provided.

The drawings illustrate specific embodiments of the invention and include alternative and preferred embodiments, as well as essential configurations of the invention.
FIG. 2 is a diagram schematically illustrating a plurality of printed diapers according to the first embodiment. The figure which represents typically the some printed diaper which concerns on 2nd Embodiment. The figure which represents typically the several printed diaper which concerns on 3rd Embodiment. The figure which represents typically the several printed diaper which concerns on 3rd Embodiment. The figure which represents typically the manufacturing method of the several printed diaper.

The embodiment described below relates to a pants-type disposable diaper 1 (hereinafter referred to as a diaper 1) shown in the accompanying drawings, and includes not only an essential configuration of the invention but also a selective and preferred configuration. Hereinafter, an example of an embodiment of a diaper 1 according to the present invention will be described with reference to the accompanying drawings.

<First embodiment>
FIG. 1 is a diagram schematically illustrating a plurality of diapers 1 in a state before being cut along a planned cutting line 35 in a diaper 1 manufacturing process described later. After the plurality of individually cut diapers 1 are collected, they are stored in a package 2 (see FIGS. 3 and 4) through which the contents can be seen. Each diaper 1 is located between a pair of first decorative areas 11 arranged on both side edges 14 in the width direction X of the diaper 1 and a first decorative area 11 arranged in a central area in the width direction X. And a second decorative area 12. In a state before being cut along the planned cutting line 35, the first decorative area 11 extends continuously between two diapers 1 adjacent to each other. When the positional deviation of the cutting position when individually cutting the diaper 1 along the planned cutting line 35 at the time of manufacturing the diaper 1 is ± Amm, the second diaper 1 located between two diapers 1 adjacent to each other in the width direction X. The size of one decorative area 11 is 2A + 10 mm or more. The value of A is preferably as small as possible, and the size of the first decorative area 11 in the width direction X is typically larger than 10 mm and 50 mm or less, preferably larger than 10 mm and 30 mm or less.

  In the width direction X of the diaper 1, the dimension D2 of the second decorative area 12 is larger than the dimension D1 of the first decorative area 11, so that when the diaper 1 is worn, the second decorative area 12 is more prominent. The pair of first decorative areas 11 have the same design or different designs. The second decorative area 12 has a different pattern from the first decorative area 11, and the pattern of the second decorative area 12 of at least one diaper is different from the pattern of the second decorative area 12 of at least one other diaper. . In other words, each of the plurality of diapers 1 has a different design. Since the patterns of the second decorative area 12 are different from each other in this manner, the diaper 1 having various patterns can be stored in one package 2, and the products can be differentiated.

The pattern of the first decorative area 11 and the second decorative area 12 is at least one of a uniform color, a color whose density changes gradually, a color whose density changes stepwise, a picture, a character pattern, and a geometric pattern. or at least one or a combination of a combination thereof. The term "pattern" as used in the present application means a pattern that is a natural object (for example, flora and fauna, scenery, etc.) or an artificial object (for example, a building or a car). Means a pattern. Further, the color referred to in the present application means a chromatic color and an achromatic color. In addition, the color of the cloth of the sheet member (typically, a nonwoven fabric) constituting the diaper 1 is not included in the colors referred to in the present application. However, the cloth of the sheet member may be exposed on the background of the picture and the character pattern.

  In the diaper 1 of the present invention, since the design of the first decorative area 11 is unified across the planned cutting line 35, even when the position of the planned cutting line 35 is shifted, the appearance at the time of cutting is not reduced. Also, the first decorative area 11 having a different design from the second decorative area 12 is located on both sides in the width direction X of the diaper 1, so that the appearance is good. The design of the pair of first decorative areas 11 located on both sides in the width direction X of the diaper 1 may be the same or different. If the design of the first decorative area 11 is different between the left and right sides of the diaper 1, the left and right sides are easy to understand.

<Second embodiment>
This embodiment is different from the first embodiment in that the diaper 1 further includes a third decorative area 13. As shown in FIG. 2, the third decorative area 13 extends in the width direction X along the waist opening edge 15 of the diaper 1 and is connected to the first and second decorative areas 11 and 12. The design of the third decorative area 13 is at least one of a uniform color, a color with a gradually changing shade, a color with a gradually changing shade, a picture, a character pattern, and a geometric pattern, or a combination thereof. . The design printed on the third decoration area 13 is different from the design of the second decoration area 12 and is the same as or different from the design of the first decoration area 11. By providing the third decorative area 13, the appearance of the diaper 1 can be improved by making the second decorative area 12 stand out.

<Third embodiment>
In the present embodiment, any one of the first to third decorative areas 11, 12, 13 is exposed on at least one side surface 22 of the integrated body 21 in which the plurality of diapers 1 are stacked, and A set symbol 23 different from the symbols in the third decorative areas 11, 12, 13 appears. In this way, the grouped pattern 23 different from the patterns of the first to third decorative areas 11, 12, 13 appears on at least one side face 22 of the integrated body 21 of the diaper 1 to differentiate the products. Can be planned. Note that the side surface 22 of the integrated body 21 referred to in the present application means all outer surfaces of the integrated body 21, and includes the upper surface and the bottom surface of the integrated body 21. In the example shown in FIG. 3, a design such as a hollow ellipse, a hollow square, a hollow hexagon, or the like of the second decorative area 12 is exposed on a lateral side surface 22 of the integrated body 21, and a diamond-shaped collective design 23 appears. In the example shown in FIG. 4, a rectangular graphic of the third decorative area 13 is exposed on the upper surface which is one side surface 22 of the integrated body 21, and the letter “L” representing the size of the diaper 1 is visually recognized through the package 2. Also, in FIG. 3, the collective symbol 23 can be represented by using the first decorative area 11 exposed on the side surface 22 of the integrated body 21. In FIG. 3, the illustrations of the first and third decorative areas 11, 13 are omitted, and in FIG. 4, the illustrations of the first and second decorative areas 11, 12 are omitted.

FIGS. 3 and 4 show a case where the patterns of the first to third decorative areas 11, 12, and 13 are geometric patterns . However, at least one of a uniform color, a color in which the shading gradually changes, a color in which the shading changes stepwise, a picture, a character pattern, and a geometric pattern as the patterns of the first to third decorative areas 11, 12, and 13 is used. By appropriately selecting one or a combination of these, it is possible to display a collective design 23 different from the design of the first to third decorative areas 11, 12, 13 on at least one side surface 22 of the diaper 1 stack 21. Needless to say. Also, in consideration of how the diaper 1 is folded when housed in the package 2 and the orientation of the diaper 1 when housed in the package 2, the first to third decorative areas 11, 12, 13 on any side surface 22 of the package 2. It can be determined whether to represent the collective symbol 23 different from the one shown in FIG.

Next, a method for manufacturing a plurality of printed diapers 1 will be described with reference to FIG.
The manufacturing method of the present invention includes a supply step 51 for continuously supplying the sheet material 41 in the machine direction MD, and a sheet material 41 that is alternately arranged in the machine direction MD and extends in the cross direction CD orthogonal to the machine direction MD. A printing step 52 for printing a pattern on each of the existing first printing area 31 and the second printing area 32, a joining step 53 for joining the absorber 43 to the central area of the second printing area 32, and absorbing the sheet material 41. A folding step 54 in which the body 43 is folded along the folding line 36 extending in the machine direction MD, and the sheet material 41 is cut along the cutting line 35 extending in the cross direction CD in the first printing area 31 to individually A cutting step 55 for obtaining the diaper 1 and a packaging step 56 for storing the plurality of diapers 1 in the package 2 are included. The symbols of the first printing areas 31 adjacent to each other in the machine direction MD are the same or different from each other. In the second printing zone 32 located between the first printing zones 31 adjacent to each other, a symbol different from that of the first printing zone 31 is printed, and further, the symbols of the second printing zones 32 adjacent to each other in the machine direction MD are displayed. Different from each other. Further, when the positional deviation of the actual cutting position with respect to the planned cutting line 35 is ± A mm, the dimension of the first printing area 31 in the machine direction MD is 2A + 10 mm or more. The symbols printed in the first and second printing areas 31 and 32 correspond to the symbols in the first and second decorative areas 11 and 12, respectively, and thus detailed description is omitted. It is preferable that the dimension D11 of the first print area 31 in the machine direction MD be smaller than the dimension D12 of the second print area 32 in the machine direction MD.

  Further, a third printing area 33 extending in the machine direction MD can be provided along both side edges 42 of the sheet material 41 extending in parallel to the machine direction MD. The third print area 33 is connected to the first and second print areas 31 and 32. Further, the symbols printed in the third printing zone 33 are different from the symbols in the second printing zone 32 and are the same as or different from the symbols in the first printing zone 31. The symbols printed in the third printing area 33 correspond to the symbols in the third decorative area 13 described above, and thus detailed description is omitted. The both side edges 42 of the sheet material 41 correspond to the waist opening edges 15 of the diaper 1 which is individually cut. In FIG. 5, the first to third printing areas 31, 32, and 33 are represented only by shading of colors for easy understanding, but it is needless to say that pictures and character patterns can be printed.

  When the plurality of diapers 1 after individually cut are stacked to form a stack 21, at least one side surface 22 of the stack 21 exposes a part of any of the first to third print areas 31, 32, and 33. In addition, the symbols are printed in the first to third printing areas 31, 32, and 33 such that a set symbol 23 different from the symbols printed in the first to third printing areas 31, 32, and 33 appears. be able to.

  In the manufacturing method of the present invention, since the width of the first printing area 31 cut by the planned cutting line 35 extending in the cross direction CD is larger than the positional deviation width of the actual cutting position with respect to the planned cutting line 35, the second printing area is used. 32 is not accidentally cut, and the cut first printing area 31 is located on both sides in the width direction X of the diaper 1, so that the appearance of the diaper 1 is not impaired. Thereby, a plurality of diapers 1 having an excellent appearance can be obtained. Further, since the patterns of the adjacent second printing areas 32 are different from each other, the diaper 1 having various patterns can be included in one package 2, and it can be differentiated from a conventional product of the same kind. . If the third printing area 33 is further provided, the design of the second printing area 32 can be emphasized, and the appearance of the diaper 1 can be improved. Further, if at least one side surface 22 of the diaper 1 stack 21 is made to show a collective design 23 different from the design printed on the first to third print areas 31, 32, 33, it is possible to further improve the conventional same type. Differentiation from products can be achieved.

  With reference to FIG. 5, the method of manufacturing the diaper 1 of the present invention will be described in more detail. In a supply step 51 for continuously supplying the sheet material 41 in the machine direction MD, a waist elastic member 46 and a leg elastic member 47 are mechanically provided between the top sheet 44 and the back sheet 45 that continuously travel in the machine direction MD. Join in the direction MD in the stretched state. The top sheet 44 is in contact with the wearer's skin of the diaper 1, and the back sheet 45 is an outer sheet of the diaper 1. For the top sheet 44, the back sheet 45, the waist elastic member 46, and the leg elastic member 47, a material known in the technical field to which the present invention belongs can be used.

  In the printing step 52 of printing a symbol on each of the first to third printing areas 31, 32, and 33 of the sheet material 41, continuous printing can be performed using the inkjet printer 61 connected to the control device 60. . The control device 60 stores design data to be printed in the first to third printing areas 31, 32, and 33 of each of the plurality of diapers 1, and instructs a design to be printed to the inkjet printer 61 based on the data. . The surface on which the design is printed on the sheet material 41 is not particularly limited. For example, FIG. 5 shows an example in which the design is printed on the surface of the back sheet 45 (that is, the surface opposite to the surface facing the top sheet 44). However, it can also be printed on the back side. The third printing area 33 is not essential in the manufacturing method of the present invention and can be omitted.

  In the joining step 53 of joining the absorber 43 to the central area of the second print area 32, the absorber 43 known in the technical field to which the present invention belongs is joined to the top sheet 44. The order in which the printing step 52 for printing a design on the sheet material 41 and the joining step 53 for joining the absorber 43 to the central area of the second printing area 32 are arbitrary. Can be printed after joining.

  In the folding step 54 in which the pattern 41 is printed and the sheet material 41 to which the absorber 43 is joined is folded in two along the folding line 36 extending in the machine direction MD with the absorber 43 inside. First, the sheet material 41 located between the absorbers 43 adjacent to each other is cut out in a round shape to form the leg opening 16 of the diaper 1, and then folded in two so that the side edges 42 of the sheet material 41 overlap with each other. . Further, the first printed areas 31 are overlapped with each other, and the folded sheet materials 41 are joined to each other by welding or bonding along the seal portion 37 extending in the first printed area 31 in the cross direction CD. The dimension of the seal portion 37 in the machine direction MD is at least 2 Amm when the positional deviation of the actual cutting position with respect to the planned cutting line 35 is ± Amm. The seal portion 37 and the first print area 31 only need to overlap each other, and the MD size of the seal portion 37 in the machine direction may be larger or smaller than the MD size of the first print area 31 in the machine direction.

  In the cutting step 55 in which the sheet material 41 is cut along the cut line 35 extending in the first printing area 31 in the cross direction CD to obtain individual diapers 1, the seal portion 37 is also cut in the cross direction CD. Thereby, the individual diaper 1 in which the both side edges 14 in the width direction X of the diaper 1 are sealed is obtained.

  In the packaging step 56 of storing a plurality of individually cut diapers 1 in the package 2, the diapers 1 are folded in a predetermined folding manner, and then accumulated by a predetermined method (see FIGS. 3 and 4). Is stored in the package 2 which can be seen through. At this time, a set symbol 23 different from the symbol printed on the first to third print areas 31, 32, 33 can be made to appear on at least one side face 22 of the stack 21. FIG. 5 shows an example in which a trapezoidal set symbol 23 different from the linear symbol printed on the third print area 33 appears on the side surface 22 of the stack 21.

  Although the present invention has been described based on the embodiments, the present invention is not limited thereto, and can be implemented with various modifications. For example, the boundary between the first decorative area 11 and the second and third decorative areas 12 and 13 is not necessarily required to be linear as in the illustrated example, but may be a curved line or a bent line. It may be a fuzzy boundary that changes. In addition, the method of printing a design is not limited to ink jet printing, and printing can be performed by screen printing or offset printing.

The disclosure relating to the present invention described above can be summarized at least in the following matters.
A plurality of pants-type disposable diapers housed in one package, wherein each of the diapers is arranged in a pair of first decorative areas arranged on both side edges in the width direction of the diaper, and arranged in a central area in the width direction. A second decorative area connected and located between the first decorative areas, an absorber extending from a waist area of the diaper to a crotch area, and a second extending in a width direction along a waist opening edge of the diaper. 3 decorative areas , the second decorative area is located at least in the area where the absorber is present, and the pair of first decorative areas have the same pattern or different patterns, and the second decorative area frequency will have a different pattern from that of the first decorative area, the third decoration zone, and connected to the first and second decorative area, the symbols are printed on the third decoration region is, the second decoration It is different from the pattern of the area, and also different from the pattern of the first decorative area There are the symbols of the pair of first decorative area is not different from each other, towards the dimensions of the second decorative area in the width direction is larger than the size of the first decorative area, at least one of said diaper The design of the second decorative area is different from the design of the second decorative area of at least one other diaper.

The present invention disclosed in the above paragraph 0029 can include at least the following embodiments. The embodiments can be adopted separately or in combination with one another.
( 1 ) When a plurality of diapers are stacked, any one of the first to third decorative areas is exposed on at least one side surface of the stacked diaper stack, and the first to third decorative areas are provided. A set symbol different from the symbol of appears.
( 2 ) The pattern of the first decorative area and the second decorative area is at least one of a uniform color, a color whose density is gradually changed, a color whose density is changed stepwise, a picture, a character pattern, and a geometric pattern. Or a combination thereof.
( 3 ) The pattern of the third decorative area is at least one of a uniform color, a color with a gradually changing density, a color with a gradually changing density, a picture, a character pattern, and a geometric pattern, or a combination thereof. It is.

DESCRIPTION OF SYMBOLS 1 Disposable diaper 2 Package 11 1st decoration area 12 2nd decoration area 13 3rd decoration area 14 Both side edges 15 of a diaper Girth opening edge 21 Stack 22 Stack side 23 Assembly pattern 31 First printing area 32 Second printing Area 33 Third print area 35 Cut line 41 Sheet material 42 Side edge of sheet material 43 Absorber 51 Supply step 52 Printing step 53 Joining step 54 Folding step 55 Cutting step 56 Packaging step D1 Width dimension D2 of first decorative area Width X dimension of second decorative area X Width MD Machine direction CD Cross direction

Claims (4)

A plurality of pants-type disposable diapers stored in one package,
Each of the diapers has a pair of first decorative areas arranged on both side edges in the width direction of the diaper, and a second decorative area arranged in the center area in the width direction and connected between the first decorative areas. And an absorber extending from the waist area of the diaper to the crotch area, and a third decorative area extending in the width direction along the waist opening edge of the diaper ,
The second decorative area is located at least in the presence area of the absorber,
The pair of first decorative areas have the same design or different designs,
It said second decoration zone have a different pattern from that of the first decorative area,
The third decorative area is connected to the first and second decorative areas,
The pattern printed on the third decorative area is different from the pattern of the second decorative area, and also different from the pattern of the first decorative area,
The patterns of the pair of first decorative areas are different from each other,
The dimension of the second decorative area in the width direction is larger than the dimension of the first decorative area,
A plurality of diapers, wherein a design of the second decorative area of at least one diaper is different from a design of the second decorative area of at least one other diaper. When a plurality of the diapers are stacked, any part of the first to third decorative areas is exposed on at least one side surface of the stacked diaper, and the first to third decorations are provided. different sets symbol appears in the range of symbols, diaper according to claim 1. The pattern of the first decorative area and the second decorative area is at least one of a uniform color, a color in which the shading changes gradually, a color in which the shading changes stepwise, a picture, a character pattern, and a geometric pattern The diaper according to claim 1 or 2 , which is a combination thereof. The pattern of the third decorative area is at least one of a uniform color, a color with a gradually changing shade, a color with a gradually changing shade, a picture, a character pattern, and a geometric pattern, or a combination thereof. A diaper according to any one of claims 1 to 3 .