JP5330873B2 - Tissue paper storage box - Google Patents

Description

  The present invention relates to a storage box for storing thin paper.

Thin paper storage boxes that store tissue paper such as tissue paper, kitchen paper, wipes, and kitchen roll paper are well known. When used, cut out the opening provided on the top surface of the thin paper storage box and remove the thin paper in order from the thin paper storage box. Take out and use.
A push-up mechanism is provided on the lower surface of the thin paper storage box so that the thin paper can be easily taken out to the end. (Patent Document 1)

  However, despite the fact that the tissue paper storage box is placed and used near the living environment where the infant is active, the tissue paper storage box is not provided with a design that arouses the interest of the infant. However, there has been a demand for the provision of a paper-paper storage box that attracts the interest of young children mainly from parents who are raising children and that can also be used as educational education for young children.

  In order to solve such a problem, a tissue paper storage box for toys that can be used as a toy by printing a design such as airplane, menco, animal, etc. on the surface of the tissue storage box and cutting the design after use has been proposed. Yes. (Patent Document 2)

  However, the toy thin paper storage box does not take into consideration the design printing position and the shape of the perforation formed on the outer periphery of the design, so when cutting the pattern from the toy thin paper storage box, There is a possibility that the pattern to be used is broken, and there is a high possibility that the thin paper storage box for toys is broken or deformed when being processed at high speed.

JP-A-8-91455 Japanese Patent Laid-Open No. 10-167345

  Therefore, the main problem of the present invention is to provide a thin paper storage box that can be reliably peeled off from the thin paper storage box without breaking the educational design part used as an educational education for infants. It is to provide an educational design part that can be easily manufactured.

The present invention that has solved the above problems is as follows.
<Invention of Claim 1>
A thin paper storage box for storing thin paper,
The thin paper storage box has a rectangular parallelepiped shape including an upper surface portion having a thin paper outlet, a lower surface portion, a front surface portion, a rear surface portion, a right side surface portion, and a left side surface portion,
The lower surface portion has a peelable educational design portion,
The educational design part intersects the flow direction of the continuous pulp fibers of the lower surface part and the upper and lower dividing lines made of perforations extending in the longitudinal direction matching the flow direction of the continuous pulp fibers of the lower surface part. It by the left and right lane lines of the wavy line shape composed of perforations extending in the lateral direction, releasably partitioned from the lower surface portion,
The connection between the upper and lower dividing lines and the left and right dividing lines is formed by a cut line,
At least the upper and lower lane markings or the left and right lane markings are formed in a region within 15 mm from the outer edge of the lower surface portion,
The area of the design part for education is 25-60% with respect to the area of the said lower surface part. The thin paper storage box characterized by the above-mentioned.

<Effect>
According to the inventor's knowledge, the invention according to claim 1 is characterized in that the educational design part is an upper and lower partition line extending in the longitudinal direction of the lower surface part, and a wavy-shaped left and right partition extending in the lateral direction of the lower surface part. By partitioning with a line, it can be peeled off from the lower surface of the thin paper storage box without causing damage such as breakage in the educational design part.
That is, in the longitudinal direction of the lower surface portion that matches the flow direction of continuous pulp fibers, a resistance from continuous pulp fibers is received by forming straight upper and lower section lines along the longitudinal direction. The educational design part can be easily peeled along the upper and lower dividing lines without any problem.
Further, in the short direction of the lower surface portion intersecting with the flow direction of the continuous pulp fiber, by forming wavy left and right dividing lines substantially orthogonal to the longitudinal direction, the resistance from the continuous pulp fiber is dispersed, The resistance in each part of the wavy line left and right dividing lines can be reduced, and the educational design part can be easily peeled along the left and right dividing lines.
Further, when the left and right dividing lines are wavy, the possibility that the infant will damage the fingertip when the educational design part is peeled off is reduced.
In addition, when the educational design part is provided on the lower surface part, it is possible to suppress the entry of foreign matter such as external dust into the thin paper storage box, and the upper surface part, front surface part, rear surface part of the thin paper storage box A unified design can be applied to the right side surface and the left side surface.

  In this claim, since the connection between the upper and lower lane markings and the left and right lane markings is a cut line with no connection, etc., breakage or the like from the bottom surface of the thin paper storage box to each corner of the educational design portion It can peel without causing trauma.

In this claim, at least the left and right dividing lines or the left and right dividing lines are formed in a region within 15 mm from the outer edge of the lower surface portion, and the area of the design part for education is formed to be 25 to 60% of the area of the lower surface portion. Therefore, the thin paper storage box can be processed at high speed.
That is, the processing of the thin paper storage box includes the steps of manufacturing the flat paper forming the thin paper storage box and then making the flat paper into a three-dimensional shape, inserting the thin paper, transferring the thin paper storage box, and a plurality of thin paper storage boxes In order to reliably process each process, the thin paper storage box has a certain amount or more in order to process the packaging body into a packaging body, to transport the packaging body, and to store a plurality of packaging bodies in a cardboard case. Bending strength and torsional strength are required.
However, in the case of providing educational for symbol portion which is defined by the top and bottom division line and the left and right lane lines on the lower surface portion of the thin paper storage box, the bending strength of the tissue paper storage box, torsional strength is reduced.
Therefore, by forming at least the upper and lower lane markings or the left and right lane markings in an area within 15 mm from the outer edge of the lower surface portion, the bending strength when the outer edge of the lower surface portion of the thin paper storage box is used as a fixed end is maintained above a certain strength. The high-speed machining was realized by maintaining the torsional strength of the lower surface part of the thin paper storage box at a certain level or more by forming the area of the design part for education to 25 to 60% of the area of the lower surface part.
It is preferable that the area of the design part for educational purposes is 50 cm ² or more in order to attract the attention of the infant and to provide education while enjoying the infant.

<Invention of Claim 2>
The educational design part is formed with a cutting line for cutting the educational design part and a crease line for folding the educational design part, and a raised part is surrounded by the cutting line and the crease line. The thin paper storage box according to claim 1 formed.

<Effect>
The invention according to claim 2 is formed by forming a cutting line on the educational design part to cut the educational design part, a crease line for folding the educational design part, and a raised part on the encircling part of the cutting line and the crease line. Therefore, the educational design part peeled off from the lower surface part of the thin paper storage box can be cut and bent into a complicated three-dimensional object.
In particular, since the raised portion is formed in the part surrounded by the cutting line and the crease line, the rigidity of the surrounding part is high, suppressing the influence on the surrounding part at the time of cutting the cutting line or folding the crease line, The shape of the surrounding portion can be maintained and can be easily bent.

<Invention of Claim 3>
The upper and lower dividing lines are formed by perforations having a cut portion length of 2.5 to 5.0 mm and a connecting portion length of 0.75 to 1.25 mm, and the left and right dividing lines have a cut portion length of 7.0. The connecting portion length is 0.75 to 1.25 mm, the corrugated height is 0.5 to 0.9 mm, and the pitch is 1.5 to 2.5 mm. The thin paper storage box described.

<Effect>
In the invention according to claim 3, the upper and lower comparting lines are formed by perforations having a cut line length of 2.5 to 5.0 mm and a connecting part length of 0.75 to 1.25 mm, Part length is 7.0-9.0mm, joint length is 0.75-1.25mm, corrugated height is 0.5-0.9mm, and pitch is 1.5-2.5mm. Therefore, it can be more easily peeled off from the lower surface portion of the thin paper storage box without causing damage such as breakage in the educational design portion.

<Invention of Claim 4>
The cut line is formed by a perforation having a cut part length of 2.5 to 5.0 mm and a joint part length of 0.75 to 1.25 mm, and the crease line has a width of 0.15 to . A first crease line having a width of 25 mm and a depth of 0.05 to 0.10 mm and a second crease line having a width of 0.25 to 0.40 mm and a depth of 0.07 to 0.15 mm. The thin paper storage box according to claim 2, wherein the portion is formed to a height of 0.05 to 0.15 mm.

<Effect>
According to a fourth aspect of the present invention, the cutting line is formed by a perforation having a cut portion length of 2.5 to 5.0 mm and a joint portion length of 0.75 to 1.25 mm, and the crease line has a width of 0. 15-0 . A first crease line composed of 25 mm and a depth of 0.05 to 0.10 mm and a second crease line composed of a width of 0.25 to 0.40 mm and a depth of 0.07 to 0.15 mm, and a raised portion Is formed to a height of 0.05 to 0.15 mm, so that the educational design part peeled off from the lower surface part of the thin paper storage box can be more easily cut and bent into a complicated three-dimensional object. it can.

<Invention of Claim 5>
The thin paper storage box according to any one of claims 1 to 4, wherein the educational design portion forms characters, and a three-dimensional object produced from the educational design portion is recalled from the characters.

<Effect>
According to the fifth aspect of the present invention, the educational design part forms characters, and the three-dimensional object produced from the educational design part is a three-dimensional object recalled from the characters. Infants can learn romaji and animal names while having fun.
In addition, infants use their own hands to peel off the educational design part from the bottom of the thin paper storage box, cut the cutting line of the educational design part, and bend the crease line to acquire the kinesthetic feeling of the hand. You can turn it on.

<Invention of Claim 6>
The thin paper storage box according to any one of claims 1 to 5, wherein a film is provided on an inner side of the lower surface portion.

<Effect>
Since the film of the sixth aspect is provided on the inner side of the lower surface portion, even if the educational design portion is peeled off from the lower surface portion of the thin paper storage box during use of the thin paper storage box, Intrusion of external dust, foreign matter, liquid, etc. into the thin paper storage box can be prevented.

  According to the above-mentioned present invention, the thin paper storage box which can be peeled without breaking the design part for educational use utilized for the educational education of the infant is provided.

It is a perspective view of a thin paper storage box. It is a lower surface part which has a design part for education. It is the A section enlarged view of FIG. It is the B section enlarged view of FIG. It is the C section enlarged view of FIG. FIG. 3 is a DD cross-sectional view of FIG. 2. It is EE sectional drawing of FIG. FIG. 5 is a sectional view taken along line FF in FIG. 2. It is a three-dimensional object made from the educational design part.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings. Of the terms of the present invention, “longitudinal direction” means the left-right direction in FIG. 2, and “short-side direction” means the up-down direction in FIG.
The “cut line length” of the upper and lower lane markings means AL1 in FIG. 3, and “AL2” in FIG.
The “cut portion length” of the left and right lane markings means BL1 in FIG. 4, the “joint portion length” means BL2 in FIG. 4, and the “waveform height” means BH in FIG. “Pitch” means the BP in FIG.
The “cut portion length” of the cutting line means CL1 in FIG. 5, and the “joint portion length” means CL2 in FIG.
The “width” of the first crease line means the DW of FIG. 6, and the “depth” means the DD of FIG.
The “width” of the second crease line means the EW in FIG. 7, and the “depth” means the ED in FIG.
The “height” of the raised portion means the FH in FIG.

<Thin paper storage box>
1 and 2 show a thin paper storage box 1 according to the present invention. This thin paper storage box 1 includes an upper surface portion 3 having a tissue paper outlet 2, a lower surface portion 4, a front surface portion 5 that connects the upper surface portion 3 and the lower surface portion 4, a rear surface portion 6, a left surface portion 7, and a right surface portion 8. This is a rectangular parallelepiped box made of
In addition, in order to prevent dust from entering the inside of the thin paper storage box 1 and to prevent the diffusion of the paper powder adhered to the tissue paper outside the thin paper storage box 1, A resin film having a slit in the longitudinal direction is attached.
In addition, the lower surface part 4 of the thin paper storage box 1 may be provided with a push-up part that presses the tissue paper upward in order to reliably take out the tissue paper to the end.

  The outer dimensions of the thin paper storage box 1 are determined by the dimensions of the tissue paper to be stored. The general outer dimensions of the thin paper storage box 1 are 110 to 320 mm in the longitudinal direction and 70 to 320 in the short direction. The thickness is 200 mm, the height dimension is about 40 to 150 mm, and the thickness of the lower surface portion 4 and the like is 0.45 mm to 0.55 mm.

As the material of the thin paper storage box 1, paper materials mainly composed of various pulps such as virgin pulp and waste paper pulp can be used, and coated cardboard is preferable from the viewpoint of strength.
Also. The basis weight of these materials is 250 to 500 g / m ² , preferably 350 to 400 g / m ² .
Note that a flower pattern, a spiral pattern, a wave pattern, a dot pattern, a turtle shell pattern, a star pattern, a cross pattern, and a geometric pattern can be printed on the surface of the thin paper storage box 1.

<Design for education>
2 to 8 show an educational design portion 10 according to an embodiment of the present invention, and FIG. 9 shows an Rabbit three-dimensional object 30 manufactured from the educational design portion 10. Note that the three-dimensional object 30 shown in FIG. 9 has a surface color and both eyes.
The educational design portion 10 includes upper and lower partition lines 11 A and B extending in the longitudinal direction of the lower surface portion 4 of the thin paper storage box 1 and wavy left and right partition lines 13 A extending in the short direction of the lower surface portion 4. , B and the cut line 16 are divided into Romaji R. And the educational design part 10 can be peeled from the lower surface part 4 by cut | disconnecting the upper and lower division lines 11A and B and the left and right division lines 13A and B. FIG.
In this embodiment, the three-dimensional object 30 obtained from the educational design portion 10 is a Rabbit that is recalled from the Roman letter R of the educational design portion 10. , P, and U, and the three-dimensional object 30 obtained from the educational design portion 10 can be an elephant , a penguin, and a unicorn that are recalled from the educational design portion 10.

In the present embodiment, the upper and lower partition lines 11 A and B are formed by perforations 12 having a cut portion length of 3.0 mm and a connecting portion length of 1.0 mm.
It is preferable that the perforation 12 has a cut portion length of 2.5 to 5.0 mm and a joint portion length of 0.75 to 1.25 mm.
When the cut length is less than 2.5 mm, cutting is difficult, and when the cut length is more than 5.0 mm, the educational design portion 10 may be peeled off during the manufacturing process of the series of thin paper storage boxes 1. is there.
If the connecting part length is less than 0.75 mm, there is a risk that the educational design part 10 may peel off during the manufacturing process of the series of thin paper storage boxes 1, and if the connecting part length exceeds 1.25 mm, cutting becomes difficult. The risk of breaking the educational design part 10 at the time of cutting becomes high.

The left and right dividing lines 13A and 13B are formed by corrugated perforations 14 having a cut portion length of 8.0 mm, a joint portion length of 1.0 mm, a height of 0.7 mm, and a pitch of 2.0 mm.
It is preferable that the perforation 14 has a cut length of 7.0 to 9.0 mm and a joint length of 0.75 to 1.25 mm.
The height of the waveform 15 is preferably 0.5 to 0.9 mm, and the pitch of the waveform 15 is preferably 1.5 to 2.5 mm.
When the cut length is less than 7.0 mm, it is difficult to cut, and when the cut length exceeds 9.0 mm, the educational design portion 10 may be peeled off during the manufacturing process of the series of thin paper storage boxes 1. There is.
If the connecting part length is less than 0.75 mm, there is a risk that the educational design part 10 may peel off during the manufacturing process of the series of thin paper storage boxes 1, and if the connecting part length exceeds 1.25 mm, cutting becomes difficult. The risk of breaking the educational design part 10 at the time of cutting becomes high.
When the height of the corrugation 15 is less than 0.5 mm, the resistance cannot be dispersed from the pulp fibers continuous in the longitudinal direction used in the thin paper storage box 1, so that the breakage is difficult, and the end of the corrugation 15 is at the time of cutting. May cause injury to the hand of the infant, and if the height of the corrugation 15 exceeds 0.9 mm, the educational design 10 may peel off during the manufacturing process of the series of thin paper storage boxes 1. There is.
When the pitch of the corrugations 15 is less than 1.5 mm, the resistance cannot be dispersed from the pulp fibers continuous in the longitudinal direction used in the thin paper storage box 1, so that the breakage is difficult, and the ends of the corrugations 15 are not cut when cutting. There is a risk of injury to the hand of the infant by pressure contact with the hand, and if the pitch of the corrugation 15 exceeds 2.5 mm, the educational design part 10 may peel off during the manufacturing process of the series of thin paper storage boxes 1. .

  The cut line 16 is formed only at the cut part having no connecting part. Thereby, when peeling the design part 10 for education from the lower surface part 4, the fracture | rupture which occurs frequently in each corner part of the design part 10 for education can be prevented.

The upper division line 11A that divides the educational design part 10 is composed of a straight line and a curve, and is provided in a region that is 18 to 40 mm away from the upper outer edge 9A of the lower surface part 4 of the thin paper storage box 1. The lower division line 11B is Are formed in a straight line and are provided in a region 14 mm away from the lower outer edge 9B.
The left partition line 13A that partitions the educational design portion 10 is configured by a straight line and is provided in a region 20 mm away from the left outer edge 9C of the lower surface portion 4 of the thin paper storage box 1, and the right partition line 13B includes two spaced apart lines 13B. And a broken line connecting the straight lines, and is provided in a region 125 to 155 mm away from the right outer edge 9D.
Further, the area of the lower surface portion 4 is 276 cm ² , the area of the educational design portion 10 is about 72 cm ² , and is about 26% with respect to the area of the lower surface portion 4.
Thus, the lower parting line 11B is provided in a region 14 mm away from the lower outer edge, and the area of the educational design part 10 is formed to be about 26% of the area of the lower surface part 4, so that the educational design part 10 Can be manufactured at a high speed.
Furthermore, from the viewpoint of maintaining the strength of the design part 10 for education at a certain level or more and producing a series of thin paper storage boxes 1 at a higher speed, the area of the design part 10 for education is 20 to 20 times the area of the lower surface part 4. It is more preferable that it is 40%, and it is further more preferable that it is 25 to 30%.

The educational design part 10 of this embodiment includes a cutting line 20 for cutting the educational design part 10, a first fold line 22, a second fold line 24, a cutting line 20 and a first fold line 22, or A raised portion 27 is formed in a region surrounded by the second crease line 24.
The cutting line 20 is a line that cuts the inside of the educational design portion 10 in order to realize a complicated structure of the three-dimensional object 30 obtained from the educational design portion 10. For example, the U-shaped cutting line 20 provided in the lower left portion of the educational design portion 10 shown in FIG. 2 can be cut to make the tail of the three-dimensional object 30 shown in FIG.
The first crease line 22 is a line that folds the inside of the educational design part 10 that gives a three-dimensional effect to the three-dimensional object 30 obtained from the educational design part 10, and in particular, the first crease line 22 is used for educational purposes. This is a line that bends the pattern portion 10 to less than 10 to 90 degrees. For example, the body of the kite of the three-dimensional object 30 shown in FIG. 9 is bent backward in accordance with the first crease line 22 provided radially from the upper right part to the lower left part of the educational design part 10 shown in FIG. The part can be three-dimensional.
Similar to the first crease line 22, the second crease line 24 is a line that bends the inside of the educational design part 10 that gives a three-dimensional effect to the three-dimensional object 30 obtained from the educational design part 10, and in particular, The second crease line 24 is a line that bends the educational design part 10 to less than 90 to 170 degrees. For example, the folds of the three-dimensional object 30 shown in FIG. 9 can be made independent by bending the second crease line 24 provided at the upper right and lower right of the educational design part 10 shown in FIG.

In the present embodiment, the cutting line 20 is formed by a perforation 21 having a cut portion length of 3.0 mm and a connecting portion length of 1.0 mm.
It is preferable that the perforation 21 has a cut portion length of 2.5 to 5.0 mm and a joint portion length of 0.75 to 1.25 mm.
When the cut portion length is less than 2.5 mm, cutting is difficult, and when the cut portion length exceeds 5.0 mm, the perforation may break during the manufacturing process of the series of thin paper storage boxes 1.
If the joint length is less than 0.75 mm, the perforation may break during the manufacturing process of the series of thin paper storage boxes 1. If the joint length exceeds 1.25 mm, it becomes difficult to cut, and education is performed at the time of cutting. There is a risk of breaking the design part 10.

The first crease line 22 is formed of a compression line 23 having a width of 0.20 mm and a depth of 0.07 mm.
The compression line 23 has a width of 0.15 to 0.25 mm and a depth of 0.05 to 0.10 mm. In this embodiment, the thickness of the lower surface portion 4 of the thin paper storage box 1 is 0.5 mm. Therefore, the depth is preferably 10 to 20% with respect to the thickness of the lower surface portion 4.
When the width is less than 0.15 mm, it is difficult to bend, and when the width exceeds 0.25 mm, it is difficult to maintain the folded state, that is, the shape of the three-dimensional object 30 obtained from the educational design part 10 There is a risk that it cannot be maintained.
When the depth is less than 0.05 mm, it cannot be bent, and when the depth exceeds 0.10 mm, it is difficult to maintain the bent state.

The second crease line 24 is formed of a compression line 25 having a width of 0.32 mm and a depth of 0.11 mm.
The compression line 25 has a width of 0.25 to 0.40 mm, a depth of 0.07 to 0.15 mm, and a depth of 14 to 30% with respect to the thickness of the lower surface portion 4. Is preferred.
When the width is less than 0.25 mm, it is difficult to bend over 90 degrees, and when the width exceeds 0.40 mm, it is difficult to maintain the bent state, that is, obtained from the educational design part 10. The shape of the three-dimensional object 30 may not be maintained.
When the depth is less than 0.07 mm, it cannot be bent to 90 degrees or more, and when the depth is 0.15 mm, the rigidity of the pattern part 10 for education is lowered, and a series of thin paper storage boxes 1 are being manufactured. There is a risk that the educational design part 10 will be bent.

A raised portion 27 having a height of 0.10 mm is formed in the surrounding portion 26 surrounded by the cutting line 20 and the first crease line 22 or the second crease line 24.
The raised portion 27 of the surrounding portion 26 processed by the pair of pressure rolls has a height of 0.05 to 0.15 mm and is 10 to 30% with respect to the thickness of the lower surface portion 4 of the thin paper storage box 1. Is preferred.
When the height is less than 0.05 mm, it is difficult for the surrounding portion 26 to stand up starting from the first crease line 22 or the second crease line 24, and when the height exceeds 0.15 mm, It is necessary to process by increasing the pressure, and there is a risk that the peripheral portion of the surrounding portion 26 may be damaged.
The length values of the perforations 12, 14, and 21, the width and depth values of the compression lines 23 and 25, and the height value of the raised portion 27 are measured using a laser microscope (VK-9510 manufactured by Keyence Corporation). These are average values of three-dimensional measurement values 10 times each.

Further, the film can be adhered to the inner side of the lower surface portion 4 of the thin paper storage box 1. When the film is adhered to the inner side of the lower surface portion 4, even if the educational design portion 10 is peeled off from the lower surface portion 4 of the thin paper storage box 1 during use of the thin paper storage box 1, Intrusion of dust into the thin paper storage box 1 can be prevented.
Furthermore, it can also be set as the package which integrally packaged the several thin paper storage box 1 to which the design part 10 for education was attached | subjected. The three-dimensional object 30 produced from each educational design part 10 of the thin paper storage box 1 included in the integrally packaged body unified the animals, plants, trains, automobiles, etc. related to each other. It can be increased and the wisdom education of infants has a further effect.

  The present invention can be used for a thin paper storage box for storing thin paper such as tissue paper, kitchen paper, wipes, and kitchen roll paper.

DESCRIPTION OF SYMBOLS 1 ... Thin paper storage box 2 ... Outlet 3 ... Upper surface part 4 ... Lower surface part 5 ... Front part 6 ... Rear surface part 7 ... Left side part 8 ... Right side part 9A ... Upper outer edge 9B ... Lower outer edge 9C ... Left outer edge 9D ... Right outer edge 10 ... Pattern for education 11A ... Upper lane line 11B ... Lower lane line 12 ... Perforation line 13A ... Left lane line 13B ... Right lane line 14 ... Perforation line 16 ... Cutting line 20 ... Cutting line 21 ... Perforation line 22 ... First fold line Line 23 ... Compression line 24 ... Second crease line 25 ... Compression line 27 ... Raised portion 30 ... Solid object

Claims (6)

A thin paper storage box for storing thin paper,
The thin paper storage box has a rectangular parallelepiped shape including an upper surface portion having a thin paper outlet, a lower surface portion, a front surface portion, a rear surface portion, a right side surface portion, and a left side surface portion,
The lower surface portion has a peelable educational design portion,
The educational design part intersects the flow direction of the continuous pulp fibers of the lower surface part and the upper and lower dividing lines made of perforations extending in the longitudinal direction matching the flow direction of the continuous pulp fibers of the lower surface part. It by the left and right lane lines of the wavy line shape composed of perforations extending in the lateral direction, releasably partitioned from the lower surface portion,
The connection between the upper and lower dividing lines and the left and right dividing lines is formed by a cut line,
At least the upper and lower lane markings or the left and right lane markings are formed in a region within 15 mm from the outer edge of the lower surface portion,
The area of the design part for education is 25-60% with respect to the area of the said lower surface part. The thin paper storage box characterized by the above-mentioned.   The educational design part is formed with a cutting line for cutting the educational design part and a crease line for folding the educational design part, and a raised part is surrounded by the cutting line and the crease line. The thin paper storage box according to claim 1 formed.   The upper and lower dividing lines are formed by perforations having a cut portion length of 2.5 to 5.0 mm and a connecting portion length of 0.75 to 1.25 mm, and the left and right dividing lines have a cut portion length of 7.0. The connecting portion length is 0.75 to 1.25 mm, the corrugated height is 0.5 to 0.9 mm, and the pitch is 1.5 to 2.5 mm. The thin paper storage box described. The cut line is formed by a perforation having a cut part length of 2.5 to 5.0 mm and a joint part length of 0.75 to 1.25 mm, and the crease line has a width of 0.15 to . A first crease line having a width of 25 mm and a depth of 0.05 to 0.10 mm and a second crease line having a width of 0.25 to 0.40 mm and a depth of 0.07 to 0.15 mm. The thin paper storage box according to claim 2, wherein the portion is formed to a height of 0.05 to 0.15 mm.   The thin paper storage box according to any one of claims 1 to 4, wherein the educational design portion forms characters, and a three-dimensional object produced from the educational design portion is recalled from the characters.   The thin paper storage box according to any one of claims 1 to 5, wherein a film is provided on an inner side of the lower surface portion.

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