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JP7290944B2 - composite material - Google Patents

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Publication number
JP7290944B2
JP7290944B2 JP2019001254A JP2019001254A JP7290944B2 JP 7290944 B2 JP7290944 B2 JP 7290944B2 JP 2019001254 A JP2019001254 A JP 2019001254A JP 2019001254 A JP2019001254 A JP 2019001254A JP 7290944 B2 JP7290944 B2 JP 7290944B2
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outer frame
frame
opposing
extending
plate
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JP2020110934A (en
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憲 田中
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Inoac Corp
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Inoac Corp
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Description

この発明は、板状体と、板状体に一体的に形成された枠状の樹脂成形体とを備える複合部材に関するものである。 TECHNICAL FIELD The present invention relates to a composite member including a plate-like body and a frame-shaped resin molding integrally formed with the plate-like body.

車両のドアトリムなどに用いられる複合部材としては、不織布からなる板状の繊維体を主体とし、この繊維体の裏面に形成された樹脂成形体によって、繊維体を補強したり、車体への取付部分を形成したものがある(例えば特許文献１参照)。このような複合部材は、繊維体をセットした型で樹脂成形体を射出成形することで、繊維体に樹脂成形体をなす樹脂を含浸させて、繊維体と樹脂成形体とを接合して一体化している。 Composite members used for vehicle door trims and the like mainly consist of plate-like fibrous bodies made of non-woven fabric, and resin moldings formed on the back of the fibrous bodies reinforce the fibrous bodies and attach parts to the vehicle body. (see, for example, Patent Document 1). Such a composite member is produced by injecting a resin molded body into a mold in which the fibrous body is set, impregnating the fibrous body with the resin forming the resin molded body, and joining the fibrous body and the resin molded body to form an integrated body. is becoming

特開２０１７－２１３７２７号公報JP 2017-213727 A

加熱して昇温させた不織布を型にセットしても、冷却時の不織布と樹脂成形体との収縮度合いが異なるので、樹脂成形体側が凹になるように反るような変形が生じることがある。 Even if the heated non-woven fabric is set in the mold, the degree of shrinkage between the non-woven fabric and the resin molded body differs when cooled, so deformation such as warping may occur so that the resin molded body side becomes concave. be.

本発明は、従来の技術に係る前記問題に鑑み、これらを好適に解決するべく提案されたものであって、見栄えのよい複合部材を提供することを目的とする。 SUMMARY OF THE INVENTION The present invention has been proposed in view of the above-mentioned problems associated with the prior art, and an object of the present invention is to provide a composite member with a good appearance.

前記課題を克服し、所期の目的を達成するため、本発明に係る複合部材は、
不織布または発泡体から構成された板状体と、
前記板状体の一面における一部領域に重ねて配置され、枠状に形成された樹脂成形体と、を備え、
前記樹脂成形体は、
第１外枠と、該第１外枠と交差するように延びる第２外枠とにより、囲いを形成するように設けられた外枠部と、
前記外枠部の内側において、前記第１外枠および前記第２外枠の間、対向する前記第１外枠の間、または対向する前記第２外枠の間に亘って設けられ、前記第１外枠および前記第２外枠が延びる方向と交差する方向へ延びる第１内枠と、
前記外枠部の内側において、前記第１外枠および前記第２外枠の間、対向する前記第１外枠の間、または対向する前記第２外枠の間に亘って設けられ、前記第１外枠および前記第２外枠が延びる方向と前記第１内枠が延びる方向とに交差する方向へ延びる第２内枠と、を有していることを要旨とする。 In order to overcome the above problems and achieve the intended purpose, the composite member according to the present invention is
a plate-like body made of non-woven fabric or foam;
a resin molded body formed in a frame shape and arranged so as to overlap a partial region of one surface of the plate-shaped body;
The resin molding is
an outer frame portion provided so as to form an enclosure with a first outer frame and a second outer frame extending so as to intersect the first outer frame;
Inside the outer frame portion, provided between the first outer frame and the second outer frame, between the opposing first outer frames, or between the opposing second outer frames, a first inner frame extending in a direction intersecting the direction in which the first outer frame and the second outer frame extend;
Inside the outer frame portion, provided between the first outer frame and the second outer frame, between the opposing first outer frames, or between the opposing second outer frames, A second inner frame extending in a direction intersecting the extending direction of the first outer frame and the extending direction of the second outer frame and the extending direction of the first inner frame.

本発明に係る複合部材によれば、変形を抑えて見栄えを向上することができる。 According to the composite member of the present invention, deformation can be suppressed and the appearance can be improved.

本発明の実施例に係る複合部材を示す斜視図である。1 is a perspective view showing a composite member according to an embodiment of the invention; FIG. 実施例の複合部材を示す正面図である。1 is a front view showing a composite member of an example; FIG. 図２のＡ－Ａ線断面図である。FIG. 3 is a cross-sectional view taken along line AA of FIG. 2; 実施例の複合部材の製造過程を示す説明図である。It is explanatory drawing which shows the manufacturing process of the composite member of an Example.

次に、本発明に係る複合部材につき、好適な実施例を挙げて、添付図面を参照して以下に説明する。 Next, preferred embodiments of the composite member according to the present invention will be described below with reference to the accompanying drawings.

図１～図３に示すように、実施例に係る複合部材１０は、不織布または発泡体から構成された板状体１２と、表面が意匠面となる板状体１２の裏面に形成された樹脂成形体１４とから構成されている。ここで、樹脂成形体１４は、板状体１２を補強する骨格部分や、複合部材１０を取り付ける際の相手方との取付部分などを構成している。このような複合部材１０は、車両におけるトランクルームのデッキ部分、ドアトリム、天井、ピラーなどの車両内装部材、エンジンアンダーカバー、フェンダーライナーなど、車両を構成する部材として好適に用いることができる。 As shown in FIGS. 1 to 3, the composite member 10 according to the embodiment includes a plate-like body 12 made of non-woven fabric or foam, and a back surface of the plate-like body 12 having a design surface. It is composed of a molded body 14 . Here, the resin molded body 14 constitutes a skeleton portion that reinforces the plate-like body 12, an attachment portion to a counterpart when attaching the composite member 10, and the like. Such a composite member 10 can be suitably used as a member constituting a vehicle such as a deck portion of a trunk room in a vehicle, a door trim, a ceiling, a vehicle interior member such as a pillar, an engine undercover, a fender liner, and the like.

板状体１２を構成する不織布としては、ポリエステル繊維、ポリオレフィン繊維、アラミド繊維、ガラス繊維、セルロース繊維、ナイロン繊維、ビニロン繊維、レーヨン繊維などの不織布を用いることができる。また、板状体１２を構成する発泡体としては、ポリウレタン系、ポリオレフィン系、ポリスチレン系などの発泡体を用いることができる。なお、板状体１２をなす材料としては、樹脂成形体１４の型成形に併せて、板状体１２を所定形状に成形する場合、熱可塑性のものを用いるとよい。このように、板状体１２を不織布または発泡体で構成することで、不織布や発泡体に由来する吸音や断熱などの所定の機能を、複合部材１０に持たせている。 As the nonwoven fabric forming the plate-like body 12, nonwoven fabrics such as polyester fiber, polyolefin fiber, aramid fiber, glass fiber, cellulose fiber, nylon fiber, vinylon fiber, and rayon fiber can be used. Further, as the foam constituting the plate-like body 12, a foam such as polyurethane, polyolefin, or polystyrene can be used. As the material for forming the plate-like body 12, a thermoplastic material is preferably used when the plate-like body 12 is molded into a predetermined shape in conjunction with molding of the resin molded body 14. FIG. In this way, by forming the plate-like body 12 from nonwoven fabric or foam, the composite member 10 is provided with predetermined functions such as sound absorption and heat insulation derived from the nonwoven fabric or foam.

図１および図２に示すように、樹脂成形体１４は、板状体１２の板面全体を覆わないように、板状体１２の表面における一部領域に重ねて形成されている。なお、実施例では、樹脂成形体１４の厚みを、全体として同じに設定してある。樹脂成形体１４は、第１外枠１６ａと、この第１外枠１６ａと交差するように延びる第２外枠１６ｂとにより、囲いを形成するように設けられた外枠部１６と、外枠部１６の内側に設けられた内枠１８ａ,１８ｂとから構成されている。実施例では、外枠部１６が、矩形形状の板状体１２における板面外縁に沿って設けられており、外枠部１６により矩形状の囲いを形成している。縦方向に離して平行に配置された一対の第１外枠１６ａ,１６ａが、それぞれ横方向へ延びており、横方向に離して平行に配置された一対の第２外枠１６ｂ,１６ｂが、それぞれ縦方向へ延びている。 As shown in FIGS. 1 and 2, the resin molding 14 is formed over a partial region of the surface of the plate-like body 12 so as not to cover the entire plate surface of the plate-like body 12 . In addition, in the embodiment, the thickness of the resin molding 14 is set to be the same as a whole. The resin molding 14 includes an outer frame portion 16 provided so as to form an enclosure with a first outer frame 16a and a second outer frame 16b extending so as to intersect the first outer frame 16a, and an outer frame Inner frames 18 a and 18 b are provided inside the portion 16 . In the embodiment, the outer frame portion 16 is provided along the outer edge of the plate surface of the rectangular plate-like body 12, and the outer frame portion 16 forms a rectangular enclosure. A pair of first outer frames 16a, 16a spaced apart in the longitudinal direction and arranged in parallel extend in the lateral direction, respectively, and a pair of second outer frames 16b, 16b spaced apart in the lateral direction and arranged in parallel, Each extends vertically.

図１および図２に示すように、外枠部１６の内側には、第１内枠１８ａと、この第１内枠１８ａと交差するように延びる第２内枠１８ｂとが設けられている。第１内枠１８ａは、第１外枠１６ａが延びる方向と第２外枠１６ｂが延びる方向との両方に交差する方向へ延びるように形成されている。第１内枠１８ａは、外枠部１６の内側において、第１外枠１６ａおよび第２外枠１６ｂの間、対向する第１外枠１６ａ,１６ａの間、または対向する第２外枠１６ｂ,１６ｂの間に亘って、直線的に延在するように設けられている。このように、第１内枠１８ａは、外枠部１６を構成する２本の外枠１６ａ,１６ｂ(１６ａ,１６ａまたは１６ｂ,１６ｂ)の間に架け渡して、第１外枠１６ａおよび第２外枠１６ｂと斜めに交差するように形成されている。同様に、第２内枠１８ｂは、第１外枠１６ａが延びる方向と第２外枠１６ｂが延びる方向との両方に交差する方向へ延びるように形成されている。更に、第２内枠１８ｂは、第１内枠１８ａが延びる方向と交差する方向へ延びるように形成されている。第２内枠１８ｂは、外枠部１６の内側において、第１外枠１６ａおよび第２外枠１６ｂの間、対向する第１外枠１６ａ,１６ａの間、または対向する第２外枠１６ｂ,１６ｂの間に亘って、直線的に延在するように設けられている。このように、第２内枠１８ｂは、外枠部１６を構成する２本の外枠１６ａ,１６ｂ(１６ａ,１６ａまたは１６ｂ,１６ｂ)の間に架け渡して、第１外枠１６ａおよび第２外枠１６ｂと斜めに交差するように形成されている。 As shown in FIGS. 1 and 2, inside the outer frame portion 16, a first inner frame 18a and a second inner frame 18b extending so as to cross the first inner frame 18a are provided. The first inner frame 18a is formed to extend in a direction that intersects both the direction in which the first outer frame 16a extends and the direction in which the second outer frame 16b extends. The first inner frame 18a is positioned inside the outer frame portion 16 between the first outer frame 16a and the second outer frame 16b, between the opposing first outer frames 16a, 16a, or between the opposing second outer frames 16b, 16b. 16b so as to extend linearly. In this way, the first inner frame 18a is bridged between the two outer frames 16a and 16b (16a, 16a or 16b, 16b) that constitute the outer frame portion 16 to form the first outer frame 16a and the second outer frame 16a. It is formed to obliquely cross the outer frame 16b. Similarly, the second inner frame 18b is formed to extend in a direction that intersects both the direction in which the first outer frame 16a extends and the direction in which the second outer frame 16b extends. Furthermore, the second inner frame 18b is formed to extend in a direction intersecting the direction in which the first inner frame 18a extends. Inside the outer frame portion 16, the second inner frame 18b is positioned between the first outer frame 16a and the second outer frame 16b, between the opposing first outer frames 16a, 16a, or between the opposing second outer frames 16b, 16b, 16b, 16b. 16b so as to extend linearly. In this way, the second inner frame 18b is bridged between the two outer frames 16a, 16b (16a, 16a or 16b, 16b) that constitute the outer frame portion 16 to form the first outer frame 16a and the second outer frame 16a. It is formed to obliquely cross the outer frame 16b.

図１および図２に示すように、外枠部１６の内側には、隣り合って平行配置された２本の第１内枠１８ａ,１８ａおよび隣り合って平行配置された２本の第２内枠１８ｂ,１８ｂにより、何れの辺も外枠１６ａ,１６ｂが延びる方向と交差する方向へ延びるひし形状の区画が形成されている。外枠部１６の内側には、第１外枠１６ａ、第１内枠１８ａおよび第２内枠１８ｂにより、三角形状の区画が形成されている。外枠部１６の内側には、第２外枠１６ｂ、第１内枠１８ａおよび第２内枠１８ｂにより、三角形状の区画が形成されている。そして、外枠部１６の内側の角隅部には、第１外枠１６ａ、第２外枠１６ｂおよび第１内枠１８ａ(または第２内枠１８ｂ)により、三角形状の区画が形成されている。ここで、第１内枠１８ａおよび第２内枠１８ｂは、４辺の長さが同じであるひし形状の区画を形成するように、外枠部１６の内側に格子状に配置されている。 As shown in FIGS. 1 and 2, inside the outer frame portion 16, two first inner frames 18a, 18a arranged side by side in parallel and two second inner frames 18a, 18a arranged side by side in parallel are provided. The frames 18b, 18b form a rhombus-shaped section with both sides extending in a direction intersecting with the direction in which the outer frames 16a, 16b extend. A triangular section is formed inside the outer frame portion 16 by a first outer frame 16a, a first inner frame 18a and a second inner frame 18b. A triangular section is formed inside the outer frame portion 16 by the second outer frame 16b, the first inner frame 18a and the second inner frame 18b. Triangular partitions are formed at the inner corners of the outer frame portion 16 by the first outer frame 16a, the second outer frame 16b and the first inner frame 18a (or the second inner frame 18b). there is Here, the first inner frame 18a and the second inner frame 18b are arranged inside the outer frame portion 16 in a grid pattern so as to form a rhombus-shaped section with four sides having the same length.

図４(ｂ)～(ｅ)に示すように、複合部材１０は、型面間でプレス可能な成形型２０を用いた射出成形により製造される。成形型２０は、第１型２２と、この第１型２２と相対的に開閉可能に構成された第２型２４とから構成されている。まず、板状体１２をヒータ等の加熱手段２６で加熱し、板状体１２を軟化させる(図４(ａ)参照)。軟化した板状体１２を第１型２２と第２型２４との間にセットする(図４(ｂ)参照)。型閉じすることで、第１型２２の型面と第２型２４の型面との間で板状体１２を挟んで、板状体１２を、例えば、水平な板形状や湾曲形状などの所定形状に成形する(図４(ｃ)参照)。また、成形型２０を型閉じすることで、第１型２２の型面に凹状に形成された凹型部２２ａによって、板状体１２の一面において樹脂成形体１４に対応したキャビティ２８が画成される(図４(ｃ)参照)。樹脂原料をキャビティ２８に圧力をかけつつ充填し、樹脂成形体１４を成形する(図４(ｄ)参照)。そして、射出成形により樹脂成形体１４を成形した後に、第１型２２と第２型２４とを型開きして、複合部材１０を成形型２０から取り出すことで(図４(ｅ)参照)、複合部材１０が得られる。 As shown in FIGS. 4(b) to 4(e), the composite member 10 is manufactured by injection molding using a mold 20 that can be pressed between mold surfaces. The molding die 20 is composed of a first die 22 and a second die 24 that can be opened and closed relative to the first die 22 . First, the plate-like body 12 is heated by a heating means 26 such as a heater to soften the plate-like body 12 (see FIG. 4(a)). The softened plate-like body 12 is set between the first die 22 and the second die 24 (see FIG. 4(b)). By closing the mold, the plate-like body 12 is sandwiched between the mold surface of the first mold 22 and the mold surface of the second mold 24, and the plate-like body 12 is formed into, for example, a horizontal plate shape or a curved shape. It is molded into a predetermined shape (see FIG. 4(c)). Further, by closing the mold 20, a cavity 28 corresponding to the resin molded body 14 is defined on one surface of the plate-like body 12 by the concave mold portion 22a formed in the mold surface of the first mold 22. (See FIG. 4(c)). The resin raw material is filled into the cavity 28 while applying pressure to mold the resin molding 14 (see FIG. 4(d)). After molding the resin molded body 14 by injection molding, the first mold 22 and the second mold 24 are opened, and the composite member 10 is removed from the mold 20 (see FIG. 4(e)). A composite member 10 is obtained.

複合部材１０は、樹脂成形体１４における第１外枠１６ａ、第２外枠１６ｂ、第１内枠１８ａおよび第２内枠１８ｂが、互いに交差するように延びているので、樹脂成形体１４における成形後の収縮が、縦や横だけでなく、縦や横に加えて２つの斜め方向でも生じる。このように、複合部材１０は、樹脂成形体１４の枠１６ａ,１６ｂ,１８ａ,１８ｂが多方向に延びていることで、収縮を多方向に生じさせて、一方向に片寄って収縮することに起因する樹脂成形体１４の反りを抑えることができる。また、樹脂成形体１４は、内枠１８ａ,１８ｂが２本の外枠１６ａ,１６ｂ(１６ａ,１６ａまたは１６ｂ,１６ｂ)の間に架け渡すように形成されていることで、内枠１８ａ,１８ｂの収縮が格子毎で不均一になることを防止できる。従って、複合部材１０は、成形後の収縮による樹脂成形体１４の反りを抑えることができるので、全体として意図した通りの形状にすることができ、見栄えを向上することができる。 In the composite member 10, the first outer frame 16a, the second outer frame 16b, the first inner frame 18a, and the second inner frame 18b of the resin molded body 14 extend so as to cross each other. Shrinkage after molding occurs not only in vertical and horizontal directions, but also in two oblique directions in addition to vertical and horizontal directions. In this way, the composite member 10 causes the frames 16a, 16b, 18a, and 18b of the resin molded body 14 to extend in multiple directions, so that the composite member 10 causes shrinkage in multiple directions and shrinks in one direction. Warpage of the resin molded body 14 caused by this can be suppressed. In addition, the resin molding 14 is formed so that the inner frames 18a and 18b span between the two outer frames 16a and 16b (16a and 16a or 16b and 16b). It is possible to prevent the shrinkage of the lattice from becoming non-uniform. Therefore, since the composite member 10 can suppress warping of the resin molded body 14 due to shrinkage after molding, the overall shape can be made as intended, and the appearance can be improved.

第１内枠１８ａおよび第２内枠１８ｂは、４辺の長さが同じであるひし形状の区画を形成するように、外枠部１６の内側に格子状に配置することで、樹脂成形体１４の不均一な収縮を抑えることができ、見栄えのよい複合部材１０を得ることができる。 The first inner frame 18a and the second inner frame 18b are arranged in a lattice pattern inside the outer frame portion 16 so as to form a rhombus-shaped section having four sides of the same length, thereby forming a resin molded body. Non-uniform shrinkage of 14 can be suppressed, and a good-looking composite member 10 can be obtained.

（変更例）
前述した構成に限らず、例えば以下のようにしてもよい。
(１)実施例では、内枠で構成する区画の辺の長さを同一に設定したが、これに限らず、辺の長さが異なっていてもよい。
(２)板状体の形状や樹脂成形体の形状は、実施例に限らず、適宜変更可能である。 (Change example)
The configuration is not limited to the one described above, and may be, for example, as follows.
(1) In the embodiment, the lengths of the sides of the partitions formed by the inner frame are set to be the same, but the lengths of the sides may be different.
(2) The shape of the plate-like body and the shape of the resin molded body are not limited to the examples, and can be changed as appropriate.

１２ 板状体，１４ 樹脂成形体，１６ 外枠部，１６ａ 第１外枠，
１６ｂ 第２外枠，１８ａ 第１内枠(内枠)，１８ｂ 第２内枠(内枠) 12 plate-like body, 14 resin molding, 16 outer frame portion, 16a first outer frame,
16b second outer frame, 18a first inner frame (inner frame), 18b second inner frame (inner frame)

Claims (3)

不織布のみから構成された板状体と、
前記板状体の一面における一部領域に直接重ねて配置され、枠状に形成された樹脂成形体と、を備え、
前記樹脂成形体は、
第１外枠と、該第１外枠と交差するように延びる第２外枠とにより、囲いを形成するように設けられた外枠部と、
前記外枠部の内側において、前記第１外枠および前記第２外枠の間、対向する前記第１外枠の間、または対向する前記第２外枠の間に亘って直線状に設けられ、前記第１外枠および前記第２外枠が延びる方向と交差する方向へ延びる第１内枠と、
前記外枠部の内側において、前記第１外枠および前記第２外枠の間、対向する前記第１外枠の間、または対向する前記第２外枠の間に亘って直線状に設けられ、前記第１外枠および前記第２外枠が延びる方向と前記第１内枠が延びる方向とに交差する方向へ延びる第２内枠と、を有している
ことを特徴とする複合部材。 a plate-like body composed only of nonwoven fabric;
a frame-shaped resin molded body directly superimposed on a partial area of one surface of the plate-shaped body,
The resin molding is
an outer frame portion provided so as to form an enclosure with a first outer frame and a second outer frame extending so as to intersect the first outer frame;
Inside the outer frame portion, linearly provided between the first outer frame and the second outer frame, between the opposing first outer frames, or between the opposing second outer frames , a first inner frame extending in a direction crossing the extending direction of the first outer frame and the second outer frame;
Inside the outer frame portion, linearly provided between the first outer frame and the second outer frame, between the opposing first outer frames, or between the opposing second outer frames and a second inner frame extending in a direction crossing the extending direction of the first outer frame and the second outer frame and the extending direction of the first inner frame. 不織布のみまたは発泡体のみから構成された板状体と、
前記板状体の一面における一部領域に直接重ねて配置され、前記板状体とは異なる材料で、枠状に形成された樹脂成形体と、を備え、
前記樹脂成形体は、
第１外枠と、該第１外枠と交差するように延びる第２外枠とにより、囲いを形成するように設けられた外枠部と、
前記外枠部の内側において、前記第１外枠および前記第２外枠の間、対向する前記第１外枠の間、または対向する前記第２外枠の間に亘って直線状に設けられ、前記第１外枠および前記第２外枠が延びる方向と交差する方向へ延びる第１内枠と、
前記外枠部の内側において、前記第１外枠および前記第２外枠の間、対向する前記第１外枠の間、または対向する前記第２外枠の間に亘って直線状に設けられ、前記第１外枠および前記第２外枠が延びる方向と前記第１内枠が延びる方向とに交差する方向へ延びる第２内枠と、を有している
ことを特徴とする複合部材。 a plate-shaped body composed only of a nonwoven fabric or only a foam;
a frame-shaped resin molded body formed of a material different from that of the plate-shaped body and directly superimposed on a partial area of one surface of the plate-shaped body;
The resin molding is
an outer frame portion provided so as to form an enclosure with a first outer frame and a second outer frame extending so as to intersect the first outer frame;
Inside the outer frame portion, linearly provided between the first outer frame and the second outer frame, between the opposing first outer frames, or between the opposing second outer frames , a first inner frame extending in a direction crossing the extending direction of the first outer frame and the second outer frame;
Inside the outer frame portion, linearly provided between the first outer frame and the second outer frame, between the opposing first outer frames, or between the opposing second outer frames and a second inner frame extending in a direction crossing the extending direction of the first outer frame and the second outer frame and the extending direction of the first inner frame. 不織布または発泡体から構成された板状体と、
前記板状体の一面における一部領域に直接重ねて配置され、前記板状体とは異なる材料で、枠状に形成された樹脂成形体と、を備え、
前記樹脂成形体は、
第１外枠と、該第１外枠と交差するように延びる第２外枠とにより、囲いを形成するように設けられた外枠部と、
前記外枠部の内側において、前記第１外枠および前記第２外枠の間、対向する前記第１外枠の間、または対向する前記第２外枠の間に亘って直線状に設けられ、前記第１外枠および前記第２外枠が延びる方向と交差する方向へ延びる第１内枠と、
前記外枠部の内側において、前記第１外枠および前記第２外枠の間、対向する前記第１外枠の間、または対向する前記第２外枠の間に亘って直線状に設けられ、前記第１外枠および前記第２外枠が延びる方向と前記第１内枠が延びる方向とに交差する方向へ延びる第２内枠と、を有し、
前記第１内枠および前記第２内枠は、４辺の長さが同じであるひし形状の区画を形成するように、格子状に配置され、
前記板状体における前記ひし形状の区画内は、前記不織布のみまたは前記発泡体のみから構成されている
ことを特徴とする複合部材。 a plate-like body made of non-woven fabric or foam;
a frame-shaped resin molded body formed of a material different from that of the plate-shaped body and directly superimposed on a partial area of one surface of the plate-shaped body;
The resin molding is
an outer frame portion provided so as to form an enclosure with a first outer frame and a second outer frame extending so as to intersect the first outer frame;
Inside the outer frame portion, linearly provided between the first outer frame and the second outer frame, between the opposing first outer frames, or between the opposing second outer frames , a first inner frame extending in a direction crossing the extending direction of the first outer frame and the second outer frame;
Inside the outer frame portion, linearly provided between the first outer frame and the second outer frame, between the opposing first outer frames, or between the opposing second outer frames , a second inner frame extending in a direction intersecting the direction in which the first outer frame and the second outer frame extend and the direction in which the first inner frame extends;
The first inner frame and the second inner frame are arranged in a lattice so as to form rhombus-shaped compartments having four sides of the same length ,
The diamond-shaped section of the plate-shaped body is composed only of the nonwoven fabric or the foam.
A composite member characterized by :
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