JP6326019B2 - Laminated panel - Google Patents

Description

  The present invention relates to a laminated panel.

  Patent Document 1 includes a pair of flat plates composed of a lower flat plate and an upper flat plate, a corrugated plate member that is disposed between the pair of flat plates, and in which crests and troughs are alternately and repeatedly formed, and the wave There is described a floor panel in which end members arranged at end portions of a plate-like member are fixed to each other and arranged above a slab. In the floor panel described in Patent Document 1, the core material is sandwiched between flat plates from above and below, and the peaks and valleys of the core material adopt a profile along a flat plane.

JP 2006-97461 A

The floor panel described in Patent Document 1 has a structure in which the core material is sandwiched and bonded from above and below by a flat plate (face plate), and therefore there is a possibility that the core material and the face plate may vary during molding. For example, when the vertical height of the plurality of vertical wall portions of the core material is formed differently or when the face plate is formed to be curved, an air layer is formed on the bonding surface when the core material and the face plate are bonded. There is concern about the generation of parts. That is, there is a problem that an air layer (gap) portion is easily generated between the adhesive and the adherend (face plate) due to warpage of the face plate, unevenness of the height of the core material, or the like.
In particular, in an adhesive type laminated panel, the air layer portion becomes an unbonded portion, which leads to a decrease in the mechanical properties of the panel.
When such an unbonded part occurs in a part other than the end face part of the panel, it is difficult to detect it at low cost and efficiently by a nondestructive test on the production line, and it is difficult to manage the adhesive quality. .

  The present invention has been made in view of these problems, and it is an object of the present invention to provide a laminated panel that realizes good adhesion quality without generating an air layer portion on an adhesion surface for adhering a face plate and a core material. And

In order to solve the above-described problem, a core panel having a plurality of vertical wall portions extending in a crossing direction with respect to the panel surface, and a pair of face plates sandwiching the core panel from both sides, the core panel is formed of the vertical wall portion. A top surface portion formed so as to extend from the end portion along the face plate, and a plurality of the top surface portions are formed such that the heights are different from each other by a height difference assumed to occur due to molding variation, The top surface portion is bonded to the face plate via an adhesive, and the height of the vertical wall portion is defined as first vertical wall portion> second vertical wall portion> third vertical wall portion, and the first vertical wall portion. When the first vertical wall portion and the third vertical wall portion are arranged in this order, an imaginary line connecting the first top portion of the first vertical wall portion and the third top portion of the third vertical wall portion. Patent that the height of the vertical wall portion such that the second apex of the second vertical wall portion protrudes is set To.
According to the present configuration, the height difference of the vertical wall portion is assumed to occur due to molding variation, and the height difference is designed in advance. For this reason, the height difference of a vertical wall part does not generate | occur | produce in the irregular place which is not intended. That is, the difference in height between the plurality of vertical wall portions is formed in a state managed in advance. Thereby, a face plate can be designed according to the height difference of a vertical wall part, and the lamination panel without the adhesion failure by molding variation can be provided.
A core panel having a plurality of vertical wall portions extending in a crossing direction with respect to the panel surface, and a pair of face plates sandwiching the core panel from both surfaces, wherein the core panel has a plurality of vertical wall portions whose height varies depending on molding. The height of the vertical wall portion is different from the height difference assumed to be generated by the first vertical wall portion> the second vertical wall portion> the third vertical wall portion, and the first vertical wall portion When the first vertical wall portion and the third vertical wall portion are arranged in this order, an imaginary line connecting the first top portion of the first vertical wall portion and the third top portion of the third vertical wall portion. The height of the vertical wall portion is set so that the second top portion of the second vertical wall portion protrudes, and the plurality of vertical wall portions are bonded to the face plate through an adhesive. To do.
In addition, by designing the second top portion to protrude beyond the imaginary line connecting the first top portion and the third top portion of the vertical wall portion, the face plate is bonded to all the top portions while gradually curving the face plate. It is possible to provide a laminated panel free from poor adhesion due to molding variations.

The height of the vertical wall portion of the core panel is formed so as to decrease in order from the center portion to the terminal portion of the laminated panel.
According to such a structure, when combining a core panel and a face plate, it can be made to contact gradually from a center part to an end surface, and the intervention of the air layer part in the adhesion surface in a center part can be prevented. In particular, in the bonding between large-sized planes, the influence of the warped face plate is more likely to occur at the center, and it is difficult to detect the unbonded portion at the center. According to this configuration, it is possible to reliably prevent the air layer from interposing on the bonding surface in the central portion.
In addition, in the production line or the like, the step of detecting the non-bonded portion by the nondestructive test is omitted, so that good bonding quality can be realized inexpensively and efficiently.
Furthermore, the raised portion of the core panel can be disposed at an appropriate position according to the bonding method of the core panel and the face plate, and the reliability of bonding can be improved regardless of the bonding method.

The height of the vertical wall portion of the core panel is formed so as to decrease in order from one terminal portion to the other terminal portion.
According to such a structure, when combining a core panel and a face plate, it can be made to contact gradually from one terminal part to the other terminal part, and the interposition of the air layer part in the adhesion surface in a center part can be prevented. Further, the raised portion of the core panel can be arranged at an appropriate position according to the bonding method of the core panel and the face plate, and the reliability of bonding can be improved regardless of the bonding method.

Among the plurality of vertical wall portions, the height of any one of the vertical wall portions is formed so as to decrease in order from the central portion in the longitudinal direction of the vertical wall portion toward the terminal portion. .
According to such a configuration, it is possible to prevent the air layer portion from interposing on the bonding surface in the central portion in the longitudinal direction of the vertical wall portion.

It has the terminal coating | coated member which pinches and coat | covers the terminal part of the said core panel and the said face plate, It is characterized by the above-mentioned.
According to such a configuration, the face plate is bonded while being curved toward the core panel due to the difference in height of the plurality of vertical wall portions. Along with this, a force to lift is applied to the terminal portion of the face plate, but this force to lift can be suppressed by the terminal covering member, and the peeling of the adhesive to the core panel of the face plate is suppressed. be able to.

The core panel includes a flat portion formed so as to extend along the panel surface from an end of the vertical wall portion, and the laminated panel is disposed along an edge portion of the face plate, and the flat portion of the core panel It is characterized by comprising an aggregate in which a rectangular cross-section portion is sandwiched between one face plate and the other face plate.
According to such a configuration, Ru can improve the rigidity of the terminal portion of the laminated panel.

  ADVANTAGE OF THE INVENTION According to this invention, a laminated panel which implement | achieves favorable adhesion | attachment quality can be provided, without generating an air layer part in the adhesion surface which adhere | attaches a face plate and a core material.

It is a perspective view which shows the structure of the laminated panel which concerns on embodiment of this invention. It is AA arrow sectional drawing of FIG. It is explanatory drawing explaining the height of the some vertical wall part of the core panel of the laminated panel which concerns on embodiment of this invention. It is a perspective view which shows the structure of the terminal part of the laminated panel which concerns on embodiment of this invention. It is sectional drawing which shows the comparative example of the laminated panel which concerns on embodiment of this invention. It is sectional drawing which shows the modification of the laminated panel which concerns on embodiment of this invention. It is sectional drawing which shows the modification of the laminated panel which concerns on embodiment of this invention. It is a figure explaining the adhesion bonding method of the laminated panel which concerns on embodiment of this invention, (a) is sectional drawing, (b) is a top view of a permeation | transmission state. It is a figure explaining the adhesion bonding method of the laminated panel which concerns on embodiment of this invention, (a) is sectional drawing, (b) is a top view of a permeation | transmission state.

(Embodiment)
Embodiments of the present invention will be described in detail with reference to the drawings. In the description, the same elements are denoted by the same reference numerals, and redundant description is omitted.
As shown in FIG. 1, the laminated panel 100 includes a core panel 110 having a plurality of vertical wall portions 111 (111 _{1 to} 111 ₃ ) extending in a direction intersecting the panel surface, and a pair of face plates 120 that sandwich the core panel 110 from both sides. (121, 122). In FIG. 1, the plurality of vertical wall portions 111 are aligned in the left-right direction in FIG. 1, and the longitudinal direction of the plurality of vertical wall portions 111 is in the front-rear direction in FIG.
In the present embodiment, the core panel 110 is a corrugated core material folded up and down, and the plurality of vertical wall portions 111 constitute side portions of the core panel 110. As will be described later, the heights of the plurality of vertical wall portions 111 are formed so as to decrease in order from the center portion to the terminal portion of the laminated panel 100.

The flange core panel 110, among the plurality of the vertical wall portion 111, the longitudinal wall portion 111 ₃ of the terminal portion, which is formed so as to extend along the panel surface from the vertical wall portion 111 ₃ of the end portion 111a of the terminal portion 112 (the flat portion described in claim 7).
The laminated panel 100 includes an aggregate 130 on which a rectangular cross-section 130a that sandwiches the flange 112 of the core panel 110 with one face plate 121 (120) is disposed. That is, when viewed from the other face plate 122 (120) side (upward in FIG. 1), the laminated panel 100 has an aggregate 130 having a rectangular cross section 130a between the flange 112 of the core panel 110 and the other face plate 122. It is the composition which arranged.

<Core panel>
The core panel 110 is made of, for example, an aluminum alloy cold press material. Core panel 110 includes a plurality of vertical wall portions 111 extending in the transverse direction relative to the pair of face plates 120 (121 and 122), it is formed so as to extend along from the end portion 111a of the vertical wall portion 111 ₃ on one side plate 121 The flange 112 (flat portion) that is in contact with the face plate 121, the bottom face portion 113 formed so as to extend along one face plate 121 of the plurality of vertical wall portions 111, and one ends of the plurality of vertical wall portions 111 The first folded portion 111b that connects the bottom surface portion 113, the top surface portion 114 that is formed so as to extend along the other face plate 122, and the first surface portion 114 that connects the other ends of the plurality of vertical wall portions 111 to the top surface portion 114. 2 folded portions 111c.

That is, core panel 110 is formed as a flange 112 formed to extend along the one surface plate 121 from the end portion 111a of the vertical wall portion 111 _3, extends along the one face plate 121 from the first folded portion 111b A bottom surface portion 113 and a top surface portion 114 formed so as to extend from the second folded portion 111c along the other face plate 122. As shown in FIG. 1, the vertical wall portion 111 and the bottom surface portion 113 A portion of the top surface portion 114 is a corrugated plate having a continuous trapezoidal shape in a sectional view. An adhesive 150 is applied to the lower surface of the flange 112 and the bottom surface portion 113 and the upper surface of the top surface portion 114. The bottom surface portion 113 and the top surface portion 114 are names for convenience of description, and may be referred to as a first flat portion and a second flat portion, respectively. Further, the bottom surface portion 113 and the top surface portion 114 are symmetrical, but may be asymmetrical.

As shown in FIGS. 2 and 3, the first vertical wall portion 111 _1, the second vertical wall portion 111 _2, and the third vertical wall portion 111 _3, respectively, each of the top from the center line O (the first apex P1, The heights h1, h2, and h3 to the second top portion P2 and the third top portion P3) are different from each other. The height of the plurality of vertical wall portions 111 is formed so as to decrease in order from the center portion to the terminal portion in the laminated panel 100 (h1>h2> h3).

Further, as shown in FIG. 3, the heights of the plurality of vertical wall portions 111 are arranged adjacent to each other so that the first vertical wall portion 111 ₁ > the second vertical wall portion 111 ₂ > the third vertical wall portion 111 ₃ . Occasionally, the second apex portion of the second vertical wall portion 111 ₂ of the virtual line _{L 1-3} connecting the first apex P1 of the first vertical wall portion 111 ₁ and the third apex P3 of the third vertical wall portion 111 ₃ Set so that P2 protrudes. Similarly, the third apex of the third vertical wall portion 111 ₃ of the virtual line _{L 2-4} connecting the second vertical wall portion 111 of the _second apex P2 and the fourth apex P4 of the fourth vertical wall portion 111 ₄ Set so that P3 protrudes. In this way, the heights h1, h2, h3, h4, and h5 of the plurality of vertical wall portions 111 are set.

  The aluminum alloy may be either a non-heat treatment system or a heat treatment system. In the case of a non-heat treatment system, the strength is obtained as it is manufactured or by cold working such as rolling, extruding or drawing. In the case of a heat treatment system, strength is obtained by quenching or tempering. In this case, it is effective to utilize Bake Hardening at the time of adhesive heat curing.

  The core panel 110 will be described in more detail. The core panel 110 is formed by cold pressing an aluminum alloy cold press material. That is, the core panel 110 bends a flat aluminum alloy cold pressed material from the end portions 111a of the plurality of vertical wall portions 111, the first folded portion 111b, and the second folded portion 111c, and intersects the face plate 120. Press so that it is folded back. Thereby, the flanges sandwiched between the plurality of vertical wall portions 111 that are inclined portions extending to the upper and lower end portions of the laminated panel 100 and the aggregate 130 and the face plate 120 (121, 122) at the left and right end portions of the laminated panel 100. 112, and a bottom surface portion 113 and a top surface portion 114 that support the face plate 120 in the width direction of the laminated panel 100 are formed.

  By forming the plurality of vertical wall portions 111 extending in the vertical direction of the laminated panel 100, the vertical rigidity and strength of the laminated panel 100 can be improved. In addition, the flange 112 can be sandwiched between the aggregate 130 and the one face plate 121 by forming the flange 112 at the left and right ends of the core panel 110.

<Face plate>
The face plate 120 is made of, for example, an aluminum alloy plate material. The face plate 120 includes one face plate 121 that sandwiches the core panel 110 from the lower surface, and the other face plate 122 that sandwiches the core panel 110 from the upper surface. One face plate 121 and the other face plate 122 may have the same shape and dimensions in the left-right direction (width direction) of the laminated panel 100, and the length, thickness, material, and the like in the up-down direction may be different from each other. However, if one face plate 121 and the other face plate 122 are made of the same member, reduction of procurement cost and improvement of workability can be expected.
The face plate 120 is preferably a flat plate, but may be curved or deformed in advance. The curvature and deformation of the face plate 120 are suppressed by adhering to the core panel 110 from above and below via the adhesive 150.

<Aggregate>
The aggregate 130 is a reinforcing member for reinforcing the corresponding part of the laminated panel 100. The aggregate 130 is disposed between the pair of face plates 120 (121, 122) so as to sandwich the flange 112 of the core panel 110 with the one face plate 121. More specifically, the aggregate 130 is disposed between the flange 112 and the other face plate 122 and coupled to the pair of face plates 120 (121, 122). In addition, the “bonding” of the present invention is a concept including any one of adhesion, fastening, and bonding.

  The aggregate 130 is a square pipe made of, for example, a hollow aluminum alloy extruded material. The aggregate 130 may be solid, and the rectangular cross section may have any cross sectional shape. Moreover, since the aggregate 130 reinforces the corresponding part of the laminated panel 100, the aggregate 130 has an arrangement, a shape, and a length according to the corresponding part.

  In this embodiment, the aggregate 130 has a rectangular cross section 130 a, the flange 112 of the core panel 110 is sandwiched between the rectangular cross section 130 a and one face plate 121, and is bonded via an adhesive 150.

<Adhesive>
In the laminated panel 100, the core panel 110, the pair of face plates 120 (121, 122), and the aggregate 130 are joined (adhered) with an adhesive 150, and are integrated. Specifically, the laminated panel 100 includes a rectangular cross section 130a of the aggregate 130 and the top surface of the flange 112 of the core panel 110, a bottom surface of the flange 112 and the one face plate 121, and a bottom surface portion 113 of the core panel 110. An adhesive 150 joins the one face plate 121, the aggregate 130 and the other face plate 122, and the top face portion 114 of the core panel 110 and the other face plate 122.

<Terminal covering member>
Moreover, as shown in FIG. 4, the laminated panel 100 is provided with the terminal coating | coated member 140 which pinches and covers the terminal part of the core panel 110 and a pair of faceplate 120 (121,122). The terminal of the laminated panel 100 is clamped by the clamping part 142 of the terminal coating | coated member 140, and the said edge part is reinforced.
Note that the terminal covering member 140 may be a rail of a welfare slope installed in the vehicle interior at the rear of the vehicle main body.

Hereinafter, the effect of the laminated panel 100 comprised as mentioned above is demonstrated.
[Contrast between this embodiment and comparative example]
First, a comparative example of the laminated panel according to this embodiment will be described.
As shown in FIG. 5, the laminated panel 10 according to the comparative example has a structure in which the core material 11 is sandwiched and bonded by the flat plate 12 from above and below, and the peaks and valleys of the core material 11 are along a flat plane. The shape is adopted.
However, the core material 11 and the face plate 12 may vary during molding.
For example, as shown in FIG. 5A, the face plate 12 may be formed to be convexly curved upward. In this case, when the core material 11 and the face plate 12 are bonded using the adhesive 15, there is a concern that the air layer portion 16 is generated on the bonding surface as shown in FIG.

As shown in FIG. 5C, when the vertical heights of the plurality of vertical wall portions of the core material 11 are formed differently, the air layer portion 16 is formed on the bonding surface when the core material 11 is bonded. There are concerns about the occurrence.
In particular, in the bonding between large sized planes, an air layer is likely to be mixed into the bonding surface other than the end surface.
Further, in the adhesive type laminated panel 10, such an air layer portion 16 becomes an unadhered portion as shown in FIG. 5 (d), leading to a decrease in mechanical characteristics of the laminated panel 10 itself.
When such an unbonded part occurs in a part other than the end face part of the laminated panel 10, it is difficult to detect it non-destructively and inexpensively in the production line, and it is difficult to manage the adhesive quality. There is a fact.

Therefore, in the present embodiment, as shown in FIG. 1, the laminated panel 100 has a peak portion (the top surface portion 114 of the core panel 110) raised from the end portion of the core panel 110 and a valley portion ( The core panel 110 having a shape in which the bottom surface 113) of the core panel 110 is raised on the opposite side is used.
As a result, when the flat face plate and the core panel 110 come into contact with each other via the coating layer of the adhesive 150, the flat face plate gradually comes into contact with the peripheral end face part from the raised central part, and an air layer is interposed in the adhesive face part. Can be prevented. In addition, even if a non-contact part occurs on the final end face part, it can be easily detected by visual inspection, and therefore, it is possible to easily prevent the occurrence of defective adhesion and prevent the outflow by an inexpensive method called visual inspection. Is possible.

[Specific examples of effects of laminated panels]
As shown in FIG. 2, in the laminated panel 100, the plurality of vertical wall portions 111 of the core panel 110 are the first vertical wall portions 111 ₁ , the second vertical wall portions 111 ₂ , and the first vertical wall portions 111 ₃ . The tops P1, the second tops P2, and the third tops P3 are formed so that the heights h1, h2, and h3 are different.
According to the present configuration, the height difference of the vertical wall portion is assumed to occur due to molding variation, and the height difference is designed in advance. That is, the difference in height between the plurality of vertical wall portions 111 of the core panel 110 is set to be larger (greater than or equal to the predetermined amount described in claim 1) than the height difference that is assumed to occur due to molding variation. The difference in height between the plurality of vertical wall portions 111 gives a dimensional difference that is at least twice as large as the manufacturing error. For this reason, poor adhesion due to molding variation does not occur. Moreover, even if the height difference of the vertical wall portion occurs at an unintended irregular place, the height difference of the vertical wall portion larger than the manufacturing error absorbs this. Thereby, a face plate can be designed according to the height difference of a vertical wall part, and the lamination panel without the adhesion failure by molding variation can be provided.

The laminated panel 100 is formed such that the height of the plurality of vertical wall portions 111 gradually decreases from the central portion to the terminal portion of the laminated panel 100 (h1>h2> h3).
According to this configuration, when the core panel 110 and the pair of face plates 120 are combined, they can be gradually brought into contact from the central portion to the end surface, thereby preventing the air layer portion from interposing on the bonding surface in the central portion. In particular, in the bonding between large sized planes, the influence of the warped face plate is more likely to occur at the center and is difficult to detect. According to this configuration, it is possible to reliably prevent the air layer portion from interposing on the bonding surface in the central portion.
In addition, in the production line or the like, the step of detecting the non-bonded portion by the nondestructive test is omitted, so that good bonding quality can be realized inexpensively and efficiently.
Furthermore, according to the bonding method of the core panel 110 and the pair of face plates 120, the raised portion of the core panel can be arranged at an appropriate position, and the reliability of bonding can be improved regardless of the bonding method. it can.

Further, as shown in FIG. 3, in the laminated panel 100, the height of the plurality of vertical wall portions 111 is set so that the first vertical wall portion 111 ₁ > the second vertical wall portion 111 ₂ > the third vertical wall portion 111 _3. when placed side by side as, the imaginary line _{L 1-3} connecting the first apex P1 of the first vertical wall portion 111 ₁ and the third apex P3 of the third vertical wall portion 111 ₃ second vertical wall portion 111 second apex portion P2 of ₂ is set so as to protrude. Similarly, the third apex of the third vertical wall portion 111 ₃ of the virtual line _{L 2-4} connecting the second vertical wall portion 111 of the _second apex P2 and the fourth apex P4 of the fourth vertical wall portion 111 ₄ Set so that P3 protrudes. In this way, the heights h1, h2, h3, h4, and h5 of the plurality of vertical wall portions 111 are set.
According to this configuration, designed to protrude the second apex P2 of the vertical wall portion 111 ₂ of the virtual line connecting the third apexes P3 of the first apex P1 and the vertical wall portion 111 ₃ of the vertical wall portion 111 ₁ By doing so, a pair of faceplate 120 can be adhere | attached with respect to all the top parts, making it curve gradually. Thereby, the laminated panel 100 without the adhesion failure by shaping | molding variation can be provided.

Further, as shown in FIG. 4, the laminated panel 100 includes a terminal covering member 140 that sandwiches and covers the terminal portions of the core panel 110 and the pair of face plates 120. The terminal of the laminated panel 100 is clamped by a clamping part (not shown) of the terminal covering member 140, and the terminal part is reinforced.
According to this configuration, the pair of face plates 120 are bonded while being curved toward the core panel 110 due to the difference in height of the plurality of vertical wall portions 111, so that the terminal portions of the pair of face plates 120 tend to float up. However, this force can be suppressed by the terminal covering member 140, and the peeling of the adhesive 150 to the core panel 110 of the pair of face plates 120 can be suppressed.

Further, as shown in FIG. 1, the laminated panel 100 includes an aggregate 130 in which a rectangular cross section 130 a that sandwiches the flange 112 of the core panel 110 with one face plate 121 is disposed.
According to this structure, the rigidity of the terminal part of the laminated panel 100 can be improved. In the present embodiment, the laminated panel 100 includes the terminal covering member 140 that is arranged along the edge portion and sandwiches the terminal portion, so that the load transmitted to the aggregate 130 via the laminated panel 100 can be reduced. The load can also be distributed by being transmitted to the covering member 140, and the rigidity and strength of the laminated panel 100 can be improved.

[Modification]
Next, a modified example of the aggregate of the laminated panel according to this embodiment will be described.
<Modification: Core panel top slope>
In the laminated panel 200 shown in FIG. 6, the core panel 210 includes a plurality of vertical wall portions 211 (211 _{1 to} 211 ₃ ) that extend in a direction intersecting the panel surface. The plurality of vertical wall portions 211 are formed such that the height gradually decreases from the central portion to the terminal portion of the laminated panel 200.
In particular, a plurality of vertical wall portions 211 is a bonding surface of the vertical wall portion 211 ₁ of the central portion top surface is horizontal to the panel surface, the vertical wall of the central portion 211 ₁ except of the vertical wall portion 211 The top surfaces of _{2 to} 211 ₃ are formed to be inclined (inclination angle θ) toward the outer peripheral portion. Incidentally, the inclination angle θ is in the top surfaces of the plurality of vertical wall portions ₂₁₁ 1 to 211 _3, may be different.

According to this configuration, the top surfaces of the vertical wall portions 211 _{2 to} 211 ₃ other than the central vertical wall portion 211 ₁ are formed so as to be inclined toward the outer peripheral portion. The agent 150 first comes into contact with the pair of face plates 120, and then the adhesive 150 in the other part of the inclined surface gradually comes into contact with the pair of face plates 120. For this reason, the interposition of the air layer portion on the bonding surface can be prevented more reliably.

<Modification: Inclination on the end face>
In the laminated panel 300 illustrated in FIG. 7, the core panel 310 includes a plurality of vertical wall portions 311 (311 _{1 to} 311 ₅ ) that extend in the intersecting direction with respect to the panel surface. The plurality of vertical wall portions 311 are formed so that the height thereof decreases in order from one terminal portion to the other terminal portion in the laminated panel 200. In FIG. 7, according to the right side from the left side of the drawing, the heights of the plurality of vertical wall portions 311 are: first vertical wall portion 311 ₁ > second vertical wall portion 311 ₂ > third vertical wall portion 111 ₃ > fourth vertical wall. part 311 _4> is formed so that the fifth vertical wall 111 _5. Here, as in the case of FIG. 3, the height of the plurality of the vertical wall portion 311, an imaginary line connecting the first first the top of the vertical wall portion 311 ₁ and the third apex of the third vertical wall portion 311 ₃ or in a manner set to the second apex portion of the second vertical wall portion 311 ₂ projects than.

  According to this configuration, when the core panel 310 and the pair of face plates 320 are combined, they can be gradually brought into contact from one terminal part to the other terminal part to prevent the air layer part from interposing on the adhesive surface in the central part. . Further, according to the bonding method of the core panel 310 and the pair of face plates 320, the raised portion of the core panel 310 can be disposed at an appropriate position, and the reliability of bonding can be improved regardless of the bonding method. Can do.

<Modification: Bonding method>
Next, the bonding method and the raised shape of the core panel will be described.
The laminated panel 100 according to the present embodiment is further formed so as to become lower in order in the longitudinal direction of the plurality of vertical wall portions 111 from the central portion toward the terminal portion.
In the laminated panel 100 according to the present embodiment, an adhesive 150 is applied to the top surface of the core panel 110, and as shown by an arrow in FIG. The face plate 122 is aligned vertically.
The multilayer panel 100 according to the present embodiment is formed such that the heights of the plurality of vertical wall portions 111 _{1 to} 111 ₃ (111) of the core panel 110 are gradually decreased from the central portion toward the terminal portion in the multilayer panel 100. Therefore, as shown in the hatched part surrounded by the broken line in FIG. 8B, the core panel 110 rises at the center of the panel surface.

When combining the core panel 110, the one face plate 121, and the other face plate 122, the core panel 110, the face plate 122, and the end face can be gradually brought into contact with each other, and the air layer portion can be further prevented from interposing at the bonding surface in the center portion. it can.
In particular, in bonding large-sized flat surfaces, it is easy to be affected by a face plate warped at the central portion, and it is difficult to detect an unbonded portion at the central portion. On the other hand, the laminated panel 100 according to the present embodiment can reliably prevent the air layer from intervening on the bonding surface in the central portion.

Further, as shown by the arrow in FIG. 9A, the one face plate 121 and the other face plate 122 are aligned from the end face side of the core panel 110.
As shown in the hatched portion surrounded by the broken line in FIG. 9B, the core panel 110 rises from the end face side of the core panel 110.
When the core panel 110, the one face plate 121, and the other face plate 122 are combined, by gradually bringing them into contact from the end face side of the core panel 110, it is possible to reliably prevent the air layer from intervening. That is, since the area | region which adheres the core panel 110, the one face plate 121, and the other face plate 122 is gradually increased from the end surface side of the core panel 110, it can adhere | attach more reliably.

  The bonding method can be selected as appropriate depending on the size, shape, material, assembly required accuracy, etc. of the core panel 110 and the face plate 120. Regardless of which bonding method is adopted, in this embodiment, the core panel 110 is formed so that the heights of the plurality of vertical wall portions 111 are different from each other. Adhesive with regularity. Therefore, even if there is a warp of the face plate that is difficult to predict in advance, the non-uniformity can be absorbed and the reliability of adhesion can be improved. Moreover, since the required precision of the process of flatness of a pair of faceplate 120 can be suppressed, cost reduction can be achieved. In particular, when the size of the laminated panel 100 is large, it is possible to prevent an unbonded portion occurring in a portion other than the end surface portion of the laminated panel 100 in advance.

  The core panel 110 may have any flat portion (in this embodiment, the flange 112) formed so as to extend along the one face plate 121 from the end portions 111a of the plurality of vertical wall portions 111. It may be a simple structure. For example, the vertical wall portion 111 may extend in the left-right direction (width direction) of the laminated panel 100 and may extend in the up-down direction (direction perpendicular to the width direction) of the laminated panel 100. . Further, a so-called lattice shape structure or honeycomb structure in which the vertical direction and the horizontal direction are combined may be used. Further, it may have a modified cross-sectional structure in which a plurality of vertical ridge lines and horizontal ridge lines have a predetermined nesting configuration.

  As mentioned above, although this embodiment and the modification were demonstrated, this invention is not limited to the said embodiment and modification, It can change suitably in the range which does not deviate from the meaning of this invention. For example, the laminated panel according to the present embodiment is not limited to a slope. Moreover, even if it is a case where it applies to a slope, a slope is not limited to a slide type or a rotation type.

100,200,300 laminated panels 110, 210, 310 core panel 111, 111 ₁ to 111 ₅ vertical wall portion 111a end portion 111b first folded portion 111c second folded portion 112 flange (flat portion)
DESCRIPTION OF SYMBOLS 113 Bottom surface part 114 Top surface part 120 A pair of face plate 121 One face plate 122 The other face plate 130 Aggregate 130a Rectangular cross section 140 Terminal covering member 150 Adhesive

Claims (7)

A core panel having a plurality of vertical wall portions extending in a crossing direction with respect to the panel surface;
A pair of face plates sandwiching the core panel from both sides,
The core panel is
A top surface portion formed so as to extend from the end of the vertical wall portion along the face plate;
The height of the plurality of top surface portions is formed so as to differ by more than the height difference assumed to occur due to molding variation,
The plurality of top surface portions are bonded to the face plate via an adhesive ,
The height of the vertical wall portion is defined as first vertical wall portion> second vertical wall portion> third vertical wall portion, and the first vertical wall portion, the second vertical wall portion, and the third vertical wall portion are defined as follows. When arranged in order, the second top portion of the second vertical wall portion protrudes from a virtual line connecting the first top portion of the first vertical wall portion and the third top portion of the third vertical wall portion. A laminated panel, wherein a height of the vertical wall portion is set . A core panel having a plurality of vertical wall portions extending in a crossing direction with respect to the panel surface;
A pair of face plates sandwiching the core panel from both sides,
The core panel is formed such that the heights of the plurality of vertical wall portions are different from each other by a height difference that is assumed to occur due to molding variation,
The height of the vertical wall portion is defined as first vertical wall portion> second vertical wall portion> third vertical wall portion, and the first vertical wall portion, the second vertical wall portion, and the third vertical wall portion are defined as follows. When arranged in order, the second top portion of the second vertical wall portion protrudes from a virtual line connecting the first top portion of the first vertical wall portion and the third top portion of the third vertical wall portion. The height of the vertical wall is set ,
The laminated panel , wherein the plurality of vertical wall portions are bonded to the face plate through an adhesive . The height of the vertical wall portion of the core panel is laminated panel according to claim 1 or claim 2, characterized in that it is formed so as to sequentially lower toward the end portion from the center portion of the core panel. The height of the vertical wall portion of the core panel is described from one of the terminal portions to claim 1 or claim 2, characterized in that it is formed so as to be sequentially lowered toward the other terminal portion of the core panel Laminated panel. The height of the vertical wall portion, in any one of claims 1 to 4, characterized in that it is formed so as to sequentially lower toward the end portion from the central portion in the longitudinal direction of the vertical wall portion The laminated panel as described. The laminated panel according to any one of claims 1 to 5, further comprising a terminal covering member that covers and covers the core panel and a terminal portion of the face plate. The core panel includes a flat portion formed so as to extend along the panel surface from an end of the vertical wall portion,
The core panel is disposed along the edge of said face plate, to claim 1, characterized in that it comprises the aggregate rectangular cross section are arranged to be sandwiched between the flat portion of one of said face plate The laminated panel according to claim 6 .

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