JP2001336248A - Laminated corrugated fiberboard structure panel having joining part and manufacturing method therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To form a projecting joining part and a recessed joining part in a laminated corrugated fiberboard structure panel without using a method for cutting away a part of the laminated corrugated fiberboard structure panel. SOLUTION: This laminated corrugated fiberboard structure panel having a joining part in at least one end part consists of at least a first corrugated fiberboard laminate (11) and a second corrugated fiberboard laminate (12) bonded on it. At least one end part of the first corrugated fiberboard laminated body is arranged by shifting from a corresponding end part of the second corrugated fiberboard laminate, and the joining part is composed of the end part of the first corrugated fiberboard laminate and the corresponding end part of the second corrugated fiberboard laminate.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a laminated corrugated cardboard structure panel which makes it possible to use corrugated cardboard as a building material, and relates to a laminated corrugated cardboard structure panel for facilitating assembling work and a method of manufacturing the same.

[0002]

2. Description of the Related Art In order to facilitate processing and construction of buildings and to reduce the cost thereof, it has been proposed to use cardboard as a main material and to use a laminated cross-bonded cardboard structure panel.

FIG. 1 is a perspective cross-sectional view of the laminated cross-cardboard structure panel (hereinafter simply referred to as “laminated cardboard structure panel”) according to FIG. Laminate multiple cardboard boxes alternately so that their flute directions are at right angles,
The structural panel is laminated to a thickness having a desired strength.

[0004] The use of such a laminated cardboard structure panel in a building has the following advantages.

[0005] Cardboard is recyclable and does not pose a waste material problem when dismantling buildings.

The corrugated cardboard constituting the structural panel is
Since it is extremely lightweight and easy to process compared to concrete, resin panels, and wood panels, it facilitates construction.

[0007] Since corrugated cardboard is a material having a low thermal conductivity, the heat insulation of a building is improved.

That is, a laminated cardboard structure panel is
It is a building material that is expected as a building structural panel with excellent recyclability, workability, heat insulation, and price.

The construction of a building using such a laminated cardboard structure panel has already been proposed (for example, Japanese Patent Application No. 9-247487). In this case, a method of joining the laminated cardboard structure panels to each other is shown in FIG.
FIG. 2 shows laminated cardboard structure panels 101 and 102.
3 is a cross-sectional plan view of a connection portion of FIG.

A fixing member 103 made of wood or the like is embedded in the joint end of one laminated cardboard structure panel 101,
By driving a nail 104 (or a screw) into the fixing member 103, the U-shaped bracket 104 is fixed to the joint end of the laminated cardboard structure panel 101. On the other hand, a fixing member 103 made of wood or the like is similarly embedded in the joint end of another laminated cardboard structure panel 102. Here the nail 104 '
(Or a screw) so that the nail 104 ′ projects from the end face with a predetermined length to form a projection.
U-shaped bracket 105 of laminated cardboard structure panel 101
Inside the nail 10 of the laminated cardboard structure panel 102
By fitting the protrusions formed by 4 ', the laminated cardboard structure panels 101 and 102 are joined.
In order to seal the gap between the panels, the sealing member 106 is used.
Must be provided between both panels.

FIG. 3 is a diagram showing an example in which the joining method shown in FIG. 2 is applied to joining at a corner portion.

FIG. 4 is a diagram showing an example of a method of joining a laminated cardboard structural panel 110 for a roof and a laminated cardboard structural panel 111 for a wall. A hole 112 is formed at the joint of the laminated cardboard structural panel 110 for the roof,
Holes 113 are also formed at corresponding positions on the laminated cardboard structure panel 111 for walls. By inserting, for example, a wooden pin 114 into these holes 112 and 113, the wall laminated cardboard structure panel 111 and the wall laminated cardboard structure panel 111 are joined.

However, in the joining as shown in FIG. 2 to FIG. 4, wood, nails, metal fittings, etc. are attached to the laminated cardboard structural panel, and must be removed in order to disassemble and recycle. .

In order to attach these woods, nails and metal fittings, the number of manufacturing steps of the laminated cardboard structure panel is increased,
The cost is high.

Since foreign matter is embedded in the laminated cardboard structure panel, stress is easily applied to the portion, and the durability of the laminated cardboard structure panel is likely to deteriorate. And other issues.

In order to cope with the above problem, as shown in FIG. 5, a convex joint 121 or a concave joint 122 is formed at an end of the laminated cardboard structure panel 120, and the convex joint 121 is formed into a concave joint. It is preferable that the parts 122 are fitted together and fixed and bonded using an adhesive or the like as necessary.

The convex joint 121 and the concave joint 12
2 can be formed on the laminated corrugated cardboard structure panel 120 by cutting a part of the laminated corrugated cardboard structure panel 120 using a cutting tool such as a saw as in the processing of conventional wood. In the formation of the joint portion by such cutting, the cut portion does not become a smooth surface, so that the joint portions cannot be closely adhered to each other without a gap, and as a result, the strength of the joint portion decreases. Also,
It is difficult to make beautiful appearance. Furthermore, since the uncoated corrugated cardboard section is exposed, there is a disadvantage that the water resistance and the like are reduced.

Therefore, according to the present invention, a method for forming a convex joint or a concave joint on a laminated cardboard structure panel and a method for integrally forming the same are not based on a method for cutting a part of the laminated cardboard structure panel 120. An object is to provide a laminated cardboard structure having a convex joint and a concave joint.

[0019]

As means for solving the above problems, the present invention has the following arrangement.

According to a first aspect of the present invention, there is provided a laminated cardboard structure panel having a joint at at least one end, wherein the laminated cardboard structure panel is bonded to at least a first cardboard laminate. A second cardboard laminate, at least one end of the first cardboard laminate is offset from a corresponding end of the second cardboard laminate, and the joint is It is characterized by comprising the end of the first cardboard laminate and the corresponding end of the second cardboard laminate.

According to a second aspect of the present invention, there is provided a laminated cardboard structure panel (1) having a joint at at least one end, wherein the laminated cardboard structure panel is at least a first cardboard laminate. _{(1 1),}
Second cardboard laminate _{(1 3),} first and second
And a third cardboard laminate (1 ₂ ) inserted in the cardboard laminate of (1), and at the end having the joint portion,
The corresponding end of the third cardboard laminate is offset from at least one of the corresponding ends of the first and second cardboard laminates.

At the end having the joint, the corresponding ends of the first and second cardboard laminates are arranged flush with each other, and the corresponding ends of the third cardboard laminate are The first and second cardboard laminates may be arranged so as to be shifted from the ends arranged flush with each other.

Further, according to a third aspect of the present invention, there is provided a laminated corrugated cardboard structure panel having a joint on at least one surface, wherein the laminated corrugated cardboard structure panel is a first flat cardboard laminate (4). ₂ ) and a second cardboard laminate (4
_3A ), wherein the flat plate portion is attached to the surface of the first cardboard laminate, and the joint portion is formed by the upright portion.

In the laminated corrugated cardboard structure panel, the laminated corrugated cardboard structure panel further includes a third corrugated cardboard laminate ( _43B ) having an L-shaped cross section, comprising a flat plate portion and an upright portion. The flat part of the laminate is the first
And the upright portion of the third cardboard laminate is arranged to face the upright portion of the second cardboard laminate, and the joining portion is It may be configured so as to be formed by the upright portions arranged to face each other.

Further, the present invention is also realized as a method of manufacturing a laminated cardboard structure panel having a joint at at least one end.

That is, according to a fourth aspect of the present invention,
A method of manufacturing a laminated cardboard structural panel having a joint at at least one end, the method comprising:
Laminating a first cardboard laminate and a second cardboard laminate, wherein at the end having the joint, a corresponding end of the first cardboard laminate is a second cardboard laminate. It is characterized by being offset from the corresponding end of the body.

Still further, according to a fourth aspect of the present invention, there is provided a method for manufacturing a laminated cardboard structure panel having a joint on at least one surface, the method comprising: A step of laminating the cardboard laminate and a second cardboard laminate having an L-shaped cross section composed of a flat plate portion and an upright portion, wherein the flat plate portion is attached to the surface of the first cardboard laminate. And the joint is formed by the upright portion.

[0028]

Embodiments of the present invention will be described below with reference to the drawings. Embodiment 1 FIG. 6 is a sectional view of a joint portion of a laminated cardboard structure panel according to Embodiment 1.

The laminated cardboard structure panel 1 has three cardboard laminate 1 _1, 1 _2, and 1 ₃ is constituted by, also a concave joint to one end of the laminated cardboard structure panel 1. Each cardboard laminate 1 _1, 1 _2, and 1 ₃ is a laminate of a plurality of cardboard flute direction of cardboard is glued to cross alternately.

The other laminated cardboard structure panel 2
Also is intended is composed of three cardboard laminate 2 _1, 2 _2, and 2 _3-bonding to also have a convex joint at one end. Each cardboard laminate ₂ 1, _{2 2,} and _{2 3,} cardboard laminate ₁ 1, _{1 2,} and _{1 3}
In the same manner as described above, it is composed of a stacked body of a plurality of cardboards bonded so that the flute directions of the cardboards cross alternately. The outer surfaces of the laminated cardboard structural panels 1 and 2 (including the convex joints and the concave joints) are formed with a coating film with an appropriate resin or the like in order to increase water resistance, moisture resistance, or physical strength. May be.

The convex joint is formed so as to fit within the concave joint, and the laminated cardboard structure panels 1 and 2
Is carried out by fitting the above-mentioned convex joint to the concave joint (an adhesive may be used as needed).

Next, FIG. 7 shows an example of a manufacturing process of such a laminated cardboard structure panel. Here, the laminated cardboard structure panel 1 shown in FIG. 6 is taken as an example. It is assumed that a convex joint is formed at the other end of the laminated cardboard structure panel 1 facing the concave joint.

First, in step a), a cardboard laminate 13 is prepared. Incidentally, cardboard laminate 1 ₃ may also be provided with a coating film in advance by an appropriate resin. Cardboard stack _{1 1} is the same for cardboard laminate _{1 2.}

Next, in step b), bonding the cardboard laminate _{1 2} cardboard laminate _{1 3.} At this time, projecting end of the cardboard laminate 1 ₂ only desired length from cardboard laminate 1 _3, and as the other end into the inside by a desired length from the cardboard laminate 1 _3, cardboard laminate 1 ₂ The length and arrangement position are determined.

[0035] Finally, in step c), adjust further bond the cardboard laminate _{1 1} in the cardboard laminate _{1 2.} At this time, the ends of the cardboard laminate 1 ₁ is arranged such that the ends flush cardboard laminate 1 ₃ (hard Chi).

The laminated cardboard structure panel 1 is completed by the above steps a) to c). The same applies to the laminated cardboard structure panel 2.

The present invention is not limited to the one in which a concave joint and a convex joint are formed at two opposite ends of one laminated cardboard structure panel. For example, when a concave joint is formed at two opposing ends together, and when a convex joint is formed together, either one of a concave joint or a convex joint is formed only at one end, and the other end is formed. No joint is formed in the portion, and the portion may be formed to be flat. Further, for example, when the laminated cardboard structure panel is rectangular, a concave joint or a convex joint may be formed on each of the four sides (ends).

FIGS. 6 and 7 show an example in which a laminated cardboard structure panel is constituted by three cardboard laminates. However, in the present invention, the number of cardboard laminates is not limited to three. A laminated corrugated cardboard structure panel in which a step-like joint is formed by shifting two cardboard laminates and pasting each other, or a comb-teeth by displacing a large number of corrugated cardboard laminates, such as five sheets, between adjacent ones. It is also possible to provide a laminated cardboard structure panel in which a joint having a shape like a letter is formed.

Embodiment 2 FIG. 8 is a sectional view of a laminated cardboard structure panel 3 according to a second embodiment of the present invention.

The laminated cardboard structure panel 3 has an L-shaped cross section as shown in the figure. For example, the vertical part in the figure is the base of the wall of the building, while the horizontal part in the figure is the building part. It is used to form a part connected to the floor of an object.

[0041] the cross section L-shaped laminated cardboard structure panel 3 has three cardboard laminate ₃ 1, _{3 2,} and _{3 3}
It is composed of Each cardboard laminate also form an L-shaped cross section, the cardboard laminate 3 ₁ and 3 ₃ so that the end portion is flush, also cardboard laminate 3 ₂ ends cardboard laminate 3 ₁ and 3 ₃ end is configured such that the inner side of the cross section L-shaped laminated cardboard structure panel 3 from, as a result, the concave joint is formed at both ends of the laminated corrugated board structure panel 3.

Next, an example of a manufacturing process of the laminated cardboard structure panel 3 according to the second embodiment will be described with reference to FIG.

[0043] First, in step a), a prepared L-shaped cross section cardboard laminate _{3 3.} Incidentally, cardboard laminate 3 ₃ may be subjected to a coating film in advance by an appropriate resin. Cardboard laminate _{3 1} is the same for cardboard laminate _{3 2.}

Next, in step b), attaching the L-shaped cross section cardboard laminate _{3 2} inside the cardboard laminate _{3 3.} In this case, as one end of the cardboard laminate 3 ₂ is located inside by a desired length from the cardboard laminate 1 _3, the other end also enter the inside by a desired length, the corrugated cardboard laminate 3 ₂ Length Is stipulated.

[0045] Finally, in step c), further bonding the cardboard laminate _{3 1} inside of the cardboard laminate _{3 2.} In this case, both end portions of the cardboard laminate 3 _1,
Both end portions of the cardboard laminate 1 ₃ flush are arranged to be (hard Chi).

The laminated cardboard structure panel 3 having an L-shaped cross section is completed by the above steps a) to c).

As in the case of the first embodiment, the present embodiment is not limited to the case where a concave joint and a convex joint are formed at two opposing ends of one laminated cardboard structure panel. For example, when a concave joint is formed at two opposing ends together, and when a convex joint is formed together, either one of a concave joint or a convex joint is formed only at one end, and the other end is formed. No joint is formed in the portion, and the portion may be formed to be flat. Further, for example, when the laminated cardboard structure panel is rectangular,
A concave joint or a convex joint may be formed on each of the four sides (ends).

FIGS. 8 and 9 show an example in which a laminated cardboard structure panel is constituted by three cardboard laminates. However, in the present invention, the number of cardboard laminates is not limited to three. The two cardboard laminates may be shifted and bonded together to form a laminated cardboard structure panel having a stepped joint at the end, or a large number of cardboard laminates, such as five or seven, may be adjacent to each other. By displacing the pieces and bonding them together, it is also possible to form a laminated cardboard structure panel having a comb-shaped cross section at the end.

Third Embodiment Next, a third embodiment of the present invention will be described with reference to FIGS.

FIG. 10 is a cross-sectional view of the vicinity of the joint between the roof and the wall of a building composed of laminated cardboard structural panels. The roof is composed of a laminated cardboard structure panel 4 and another laminated cardboard structure panel 1 "joined to its end. A concave joint is formed on the lower surface of the laminated cardboard structure panel 4. On the other hand, the wall is composed of another laminated cardboard structure panel 1 ′, and a convex joint is formed at the upper end of the laminated cardboard structure panel 1 ′.
The wall and the roof are joined by fitting with the concave joint. It is assumed that the laminated cardboard structure panel 4 is according to the present embodiment, and the laminated cardboard structure panels 1 'and 1 "are according to the above-described embodiment 1 or 2.

The laminated cardboard structure panel 4, a flat plate-like and cardboard laminate 4 _1, a cardboard laminate 4 ₂ separate flat, L-shaped cross section cardboard laminate 4 _3A, 4
_3B, and it is composed of a cardboard laminate _{4 4} that is fitted between the cardboard laminate _{4 3A, 4 3B.} Each L-shaped cross section cardboard laminate 4 _3A, 4 _3B is composed of a flat plate portion that is affixed to the surface in the figure of the cardboard laminate 4 ₂ below, a standing portion protruding from the surface. Standing part of the cardboard laminate 4 _3A, 4 _3B are arranged opposite, and forms the concave joint. Cardboard laminate 4 ₄ located between the standing part of the cardboard laminate 4 _3A, 4 _3B is supported standing part, also has a role of adjusting the depth of the concave joint. The cardboard laminate 4
₄ may be omitted depending on the conditions of implementation.

Next, a third embodiment will be described with reference to FIG.
An example of the manufacturing process of the laminated cardboard structure panel 4 will be described.

[0053] First, in step a), a prepared flat cardboard laminate _{4 1.} It should be noted, cardboard laminate _{4 1}
May be previously coated with a suitable resin or the like. Other cardboard laminates 4 ₂ to 4
_The same applies to No. ₄ .

Next, in step b), attaching the flat cardboard laminate 4 ₂ in the drawing below the surface of the cardboard laminate 4 _1. At this time, one end of cardboard laminate 4 ₂ so as to be positioned inward by a desired length from the cardboard laminate 4 _1, both bonding is performed.

[0055] Further, in step c), attaching the L-shaped cross section cardboard laminate 4 _3A in the drawing below the surface of the cardboard laminate 4 _2. At this time, the ends of the flat plate portion of the cardboard laminate 4 _3A is arranged such that the ends flush cardboard laminate 4 ₁ (hard Chi).

[0056] Finally, in step d), attaching the L-shaped cross section cardboard laminate 4 _3B in FIG lower side surface of the cardboard laminate 4 _2. At this time, the standing portions of the L-shaped cross section of the cardboard laminate 4 _3A and 4 _3B are at predetermined intervals, are arranged to face each other. Also,
Cardboard laminate 4 ₄ be between upright portions, arranged so as to contact the lower surface in the figure of the cardboard laminate 4 _2, it may be adhered thereto.

As a result, the laminated cardboard structure panel 4 having the desired concave joints formed on the surface is completed.

In the present embodiment, the present invention is not limited to the formation of the concave joint on the surface of one laminated cardboard structure panel, but may be configured to form a convex joint. For example, one of L-shaped cross section of the cardboard laminate 4 _3A and 4 _3B, by replacing the flat cardboard laminate, L-shaped cross section cardboard laminate 4
The other of _3A and _43B constitutes a convex joint.

Further, the third embodiment is not limited to the examples shown in FIGS. 10 and 11, and a large number of cardboard laminates are stuck together so that adjacent ones are shifted from each other to form a comb-shaped cross-section. It is also possible to form a laminated cardboard structure panel in which the joints are formed at the ends.

Fourth Embodiment Next, a fourth embodiment of the present invention will be described with reference to FIGS.

FIG. 12 is a cross-sectional view of the laminated cardboard structure panel 5 which forms the foundation of a building. On the upper part of the laminated cardboard structure panel 5, for example, the laminated cardboard structure panels according to the first and second embodiments described above are joined.

The laminated cardboard structure panel 5 is composed of five parts. That is, a flat cardboard laminate 5 _1, affixed respectively to the base sides of the cardboard laminate 5 _1, a block-shaped cardboard laminate 5 _2A, 5 _2B, the cardboard laminate 5 ₁ and blocky is composed of a cardboard laminate 5 _2A, 5 _2B and a cross-sectional L-shaped cardboard laminate 5 _3A is篏着each of the two L-shaped portion formed _by, 5 _3B.

Next, a fourth embodiment will be described with reference to FIG.
The manufacturing process example of the laminated cardboard structure panel 5 according to the first embodiment will be described.

[0064] First, in step a), a prepared flat cardboard laminate _{5 1.} It should be noted, cardboard laminate _{5 1}
May be previously coated with a suitable resin or the like. Other cardboard laminates 5 _2A-
The same is true for 5 _3B.

Next, in step b), a block-shaped cardboard laminate _{5 2A, 5 2B} cardboard laminate _{5 1}
Affix to both sides of the base.

Further, in step c), the cardboard laminate 5 ₁ , the block-shaped cardboard laminates 5 _2A , 5
L-shaped cross section cardboard laminate to the formed L-shaped portion by _{2B 5 3A, 5 3B} is fitted to. At this time, the upper end of the cardboard laminate _{5 1} is displaced with the end of L-shaped cross section of the cardboard laminate _{5 3A, 5 3B,} and L-shaped cross section cardboard laminate _{5 3A, 5 3B}
Are arranged so as to be flush with each other.

As a result, the laminated cardboard structure panel 5 having a substantially inverted T-shaped cross section, with the convex joint formed at the upper end.
Is completed.

In this embodiment, the example in which the convex joint is formed is shown, but the present invention is not limited to this. For example, two L-shaped corrugated cardboard laminates 5
_3A, 5 by omitting one of _3B, may be formed by stacking cardboard structural panel as a substantially inverted T-shape to form a cross-section stepped junction end, also another cross-sectional L-shaped cardboard The laminate is made of a cardboard laminate _53A , 5
By displacing and bonding on _3B , a laminated cardboard structure panel having a substantially inverted T-shaped cross section can be obtained in which a joint having a comb-shaped cross section is formed at an end.

[0069]

The laminated cardboard structure panel and the manufacturing method thereof as described above have the following effects.

Special coupling devices (bolts, nuts,
No nails, metal fittings, etc. are required, so that the construction can be performed easily and quickly.

A desired (step-like, convex, concave, comb-like) joint can be formed in the laminated cardboard structure panel only by appropriately bonding the cardboard laminate, so that the number of manufacturing steps can be reduced. Also, the manufacturing cost can be reduced.

Since it is composed only of cardboard, recycling is easy.

Since there is no step of cutting the laminated cardboard structure panel, the surface of the joint can be made smooth, so that the joints can be brought into close contact with no gap, and as a result, the strength of the joint can be reduced. Can be improved. In addition, the appearance can be beautifully finished. Further, since the coating film is not lost, deterioration of water resistance, moisture resistance, etc. does not occur.

[Brief description of the drawings]

FIG. 1 is a perspective sectional view of a laminated cloth-attached cardboard structure panel.

FIG. 2 is a sectional plan view of a connection portion of the laminated cardboard structure panel.

FIG. 3 is a diagram showing an example in which the joining method shown in FIG. 2 is applied to joining at a corner portion.

FIG. 4 is a diagram showing an example of a method of joining a laminated cardboard structural panel for a roof and a laminated cardboard structural panel for a wall.

FIG. 5 is a perspective view of a laminated cardboard structure panel having a convex joint at one end and a concave joint at the other end opposite thereto.

FIG. 6 is a cross-sectional view of a joint portion of the laminated cardboard structure panel according to the first embodiment of the present invention.

7 is a diagram showing an example of a manufacturing process of the laminated cardboard structure panel shown in FIG.

FIG. 8 is a sectional view of a laminated cardboard structure panel according to a second embodiment of the present invention.

9 is a diagram showing an example of a manufacturing process of the laminated cardboard structure panel shown in FIG.

FIG. 10 is a sectional view of a laminated cardboard structure panel according to a third embodiment of the present invention.

11 is a laminated cardboard structure panel 4 shown in FIG. J.
It is a figure which shows the example of a manufacturing process.

FIG. 12 is a sectional view of a laminated cardboard structure panel according to a fourth embodiment of the present invention.

13 is a diagram showing an example of a manufacturing process of the laminated cardboard structure panel 5 shown in FIG.

[Explanation of symbols]

Laminated cardboard structure panel ... 1,2,3,4 cardboard laminate ... 1 _{1, 1} 2, _{1 3} cardboard laminate ... 2 _{1, 2} 2, _{2 3} cardboard laminate ... 3 _{1, 3} 2, _{3 3} cardboard laminate body _{... 4 1, 4 2, 4} 3A, 4 3B,
44

Claims (7)

[Claims] 1. A laminated corrugated cardboard panel having a joint at at least one end, the laminated corrugated cardboard structural panel comprising at least a first corrugated cardboard laminate and a second corrugated cardboard laminate bonded thereto. Wherein at least one end of the first cardboard laminate is displaced from a corresponding end of the second cardboard laminate, and the joint is formed of the first cardboard laminate. A laminated cardboard structure panel having a joint, comprising an end and a corresponding end of a second cardboard laminate. 2. A laminated corrugated cardboard structure panel having a joint at at least one end, said laminated corrugated cardboard structure panel comprising at least a first corrugated cardboard laminate, a second corrugated cardboard laminate, and said first and second cardboard laminates. A third cardboard laminate inserted into the second cardboard laminate, and at an end having the joint, at least one of the corresponding ends of the first and second cardboard laminates And a corresponding end of the third cardboard laminate is staggered, the laminated cardboard structure panel having a joint portion. 3. The laminated cardboard structure panel according to claim 2, wherein at the end having the joint, the corresponding ends of the first and second cardboard laminates are arranged flush with each other, and The corresponding end of the cardboard laminate of claim 1 is shifted from the end of the first and second cardboard laminates that are arranged flush with each other, the laminate having a joint portion. Cardboard structure panel. 4. A laminated cardboard structure panel having a joint on at least one surface, the laminated cardboard structure panel comprising: a first flat cardboard laminate, an L-shaped cross section including a flat plate portion and an upright portion. A second corrugated cardboard laminate, wherein the flat plate portion is attached to the surface of the first corrugated cardboard laminate, and the joint portion is formed by the upright portion. A laminated cardboard structure panel having a joint. 5. The laminated cardboard structure panel according to claim 4, wherein the laminated cardboard structure panel has a joint portion on at least one surface, and the laminated cardboard structure panel has an L-shaped cross section including a flat plate portion and an upright portion. And a flat portion of the third cardboard laminate is attached to a surface of the first cardboard laminate, and an upright portion of the third cardboard laminate is formed of the second cardboard. A laminated cardboard structure panel having a joint portion, wherein the laminated cardboard structure panel is arranged so as to face an upright portion of the laminate, and the joint portion is formed by the upright portion arranged to face the upright portion. . 6. A method of manufacturing a laminated corrugated cardboard structure panel having a joint at at least one end, comprising the steps of laminating a first corrugated cardboard laminate and a second corrugated cardboard laminate. Wherein at the end having the joint portion, a corresponding end of the first cardboard laminate is offset from a corresponding end of the second cardboard laminate. A method for manufacturing a laminated cardboard structure panel having a joint portion. 7. A method of manufacturing a laminated corrugated cardboard structure panel having a joint on at least one surface, the method comprising the steps of: forming a first flat cardboard laminate, a flat plate portion, and an upright portion. Laminating a second cardboard laminate having an L-shaped cross section, wherein the flat plate portion is attached to the surface of the first cardboard laminate and the joint portion is formed by the upright portion. A method for manufacturing a laminated cardboard structure panel having a joint portion.