JP2800574B2 - Board material - Google Patents
Board materialInfo
- Publication number
- JP2800574B2 JP2800574B2 JP4200522A JP20052292A JP2800574B2 JP 2800574 B2 JP2800574 B2 JP 2800574B2 JP 4200522 A JP4200522 A JP 4200522A JP 20052292 A JP20052292 A JP 20052292A JP 2800574 B2 JP2800574 B2 JP 2800574B2
- Authority
- JP
- Japan
- Prior art keywords
- plate
- synthetic resin
- hard
- side portion
- plate material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Laminated Bodies (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、軽量で釘打ち可能で釘
抜けもせず、又、切断可能で型枠と同等の強度を保持
し、更に、耐水性や離型性にすぐれるうえに木材の省資
源にもなり、しかも断熱性、防湿性及び防音性をも有す
る発砲合成樹脂を基材とした板材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is light-weight, can be nailed, does not come off, can be cut, maintains the same strength as a mold, and has excellent water resistance and mold release properties. also it becomes resource conservation timber, moreover thermal insulation relates firing synthetic resin also has a moisture resistance and acoustic properties to the sheet with the substrate.
【０００２】[0002]
【従来の技術】従来、例えば土木・建築用に利用される
板材としては、金属製型枠、木製型枠、発泡合成樹脂製
型枠等がその代表的なものとしてあり、これら型枠にあ
ってはいずれもコンクリート等の建築物を建築する際の
枠組みとして使用され、その使用後は廃棄されるか又は
数回使用した後廃棄されるものであった。2. Description of the Related Art Conventionally, as a plate material used for civil engineering and construction, for example, a metal formwork, a wooden formwork, a foamed synthetic resin formwork, and the like are typical examples. All of them have been used as a framework for building buildings such as concrete, and have been discarded after use or discarded after being used several times.
【０００３】一方、これら型枠を枠組みとして使用した
後に取り除くことなく放置し、その型枠表面、即ちコン
クリート等を打設した裏面に断熱材、防音材等を固着
し、更にその表面に化粧板等を固着してなる打ち込み型
枠、所謂捨て型枠もあった。On the other hand, after using these molds as a frame, they are left without being removed, and a heat insulating material, a soundproofing material and the like are fixed on the surface of the mold, that is, on the back surface on which concrete or the like is cast. There is also a punched formwork to which the above is fixed, so-called throwaway formwork.
【０００４】[0004]
【発明が解決しようとする課題】しかし、前記金属製型
枠や木製型枠は、型枠としての強度は保持するものの、
その基材特性からわかるように長期放置すると腐食等に
よって崩壊する危険があるため、捨て型枠として好まし
くなかった。その為、発泡合成樹脂製型枠を捨て型枠と
して用いれば、打ち込み後の腐食による崩壊もなく好ま
しいと考えられたが、その全体が発泡合成樹脂製である
がゆえに、型枠表面への釘打ちに対しての釘立ちが悪
く、釘抜けも起こり、その表面にかかる各種荷重に対し
ては弱いという問題もあった。However, although the metal formwork and the wooden formwork maintain the strength as the formwork,
As can be seen from the properties of the base material, there is a risk of collapse due to corrosion or the like when left for a long period of time. Therefore, it was considered preferable to use a foamed synthetic resin mold as a discarded mold without collapse due to corrosion after driving. However, since the whole was made of foamed synthetic resin, it was considered that the nail was attached to the surface of the mold. There was also a problem that nailing was poor at hitting, nail pulling out occurred, and was weak against various loads applied to the surface.
【０００５】上記課題を解決するものとして、例えば実
開昭５６−１６８３３３号公報に示されるものがある。
これは、発泡合成樹脂製板材に無機材からなる板状成形
材を固着してなる板材、及び合成樹脂製シートからなる
表面材を設けたものである。しかしながら、前記発泡合
成樹脂製板材の一側面に板状成形材を、且つ、他側面に
合成樹脂製シートをそれぞれ、接着剤無しで固定するこ
とができるものの、発泡合成樹脂製板材の外周縁が露呈
されているため、発泡合成樹脂製板材の運搬時や施工時
に外周縁の一部を破損したり、発泡合成樹脂製板材と板
状成形材との接着及び発泡合成樹脂製板材と合成樹脂製
シートとの接着が端部で剥がれ易い問題点があった。 そ
こで、本発明が上記課題を解決しようとするところは、
破損し難い強度面において有利にしながら、剥がれ難い
耐久性の高い板材を提供する点にある。 To solve the above problems, for example,
There is one disclosed in JP-A-56-168333.
This is a plate-like molding made of an inorganic material on a foam synthetic resin plate.
It consists of a plate material to which materials are fixed and a sheet made of synthetic resin
It is provided with a surface material. However, said foaming
Plate-shaped molding material on one side of synthetic resin plate, and on the other side
Fix each synthetic resin sheet without adhesive.
But the outer edge of the foam synthetic resin plate is exposed
During transport or construction of foam synthetic resin boards
The outer periphery may be partially damaged or foam synthetic resin
Adhesion to molding materials and foam synthetic resin plate and synthetic resin
There was a problem that adhesion to the sheet was easily peeled off at the end. So
Here, the present invention seeks to solve the above-mentioned problems,
Advantageous in terms of strength that is difficult to break, but hard to peel off
The object is to provide a highly durable plate material.
【０００６】[0006]
【課題を解決するための手段】本発明は、上記課題を解
決すべく、無機材と接着剤とから成形された２枚の矩形
状の成形材と、板厚方向が同一方向となるように対向配
置した前記２枚の成形材の外周縁に渡って設けた硬質辺
部と、前記２枚の成形材と硬質辺部とで形成された内部
空間内に発泡合成樹脂を発泡させてなる芯材と、からな
り、前記硬質辺部の内面に内部空間内に突出する突片又
はアリ溝を形成するとともに、前記硬質辺部の４辺のう
ちの１辺の外面に凹部を形成し、且つ、この凹部に嵌合
する凸部を前記凹部が形成された辺と平行となる反対側
に位置する１辺に形成して、板材を構成した。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides two rectangular shapes formed from an inorganic material and an adhesive.
-Shaped molding material and opposed to each other so that the thickness direction is the same direction.
Hard sides provided over the outer peripheral edges of the two molded materials placed
Part, the interior formed by the two moldings and the hard side part
A core made of foamed synthetic resin in the space,
A protruding piece or a protrusion protruding into the inner space on the inner surface of the hard side portion.
Forms a dovetail groove and the four sides of the hard side
A recess is formed on the outer surface of the other side, and the recess is fitted.
Opposite to the side where the convex portion is parallel to the side where the concave portion is formed.
To form a plate material .
【０００７】[0007]
【０００８】[0008]
【０００９】[0009]
【作用】上述の如く構成した本発明にかかる板材にあっ
ては、従来同様に発泡合成樹脂製板状芯材を基材として
いる為、軽量であるがゆえに作業性良好であり、又、全
周に硬質部を設けていれば、作業中等に他のものとぶつ
かっても変形や欠損等を起こす恐れもなく作業現場に運
搬される。そして、作業現場に持ち運ばれた板材は、例
えば他の板材と釘等によって連設されたり、ノコギリで
切断する等して建築物の所要形状に合わせた型枠として
作成することができる。前記板材は、２枚の成形材と硬
質辺部とで形成された内部空間内に発泡合成樹脂を発泡
させることによって、成形される発泡合成樹脂製板状芯
材の表裏両面及び外周縁を２枚の成形材及び硬質辺部の
内面それぞれに接着固定する。しかも、硬質辺部に突片
又はアリ溝を形成することによって、発泡合成樹脂製板
状芯材との接着面積を増大させることができ、発泡合成
樹脂製板状芯材との固着を強化することができる。更
に、硬質辺部の一辺に他辺に形成の凸部に嵌合する凹部
を形成することによって、複数の板材を面一状に隣接配
設する場合に、一方の板材の凸部に他方の板材の凹部を
嵌合するだけで、隣接する板材を面一状に位置決めする
ことができる。この場合、隣接配設した板材同士の嵌合
部に捩じれ等が作用しても、前記のように強固に接着さ
れているから、硬質辺部と発泡合成樹脂製板状芯材との
間に剥がれが発生することを抑制することができる。 [Action] In the according sheet of the present invention constituted as described above, because it has a conventional Similarly foamed synthetic resin plate core material substrate, a workability good because but lightweight, also, all
If a hard part is provided on the periphery, even if it collides with another object during work or the like, it can be transported to the work site without fear of causing deformation or loss. Then, the plate material carried to the work site can be formed as a formwork conforming to the required shape of the building, for example, by being connected to another plate material by nails or by cutting with a saw. The plate material is composed of two molded materials and a hard material.
Foamed synthetic resin is foamed in the internal space formed by the material side
The foamed synthetic resin plate core to be molded
The front and back surfaces and outer edge of the material are two
Adhesively fix to each inner surface. Moreover, a protruding piece on the hard side
Or by forming a dovetail groove, foam synthetic resin plate
Foam synthesis can increase the bonding area with the core material
Adhesion with the resin plate core can be enhanced. Change
A concave portion that fits into a convex portion formed on one side of the hard side portion and the other side.
By forming a plurality of plate materials, a plurality of plate materials are
In the case of installation, the concave part of the other plate
By just fitting, adjacent plate materials are positioned flush.
be able to. In this case, mating between adjacently arranged plate materials
Even if torsion is applied to the part,
Between the rigid side and the foamed synthetic resin plate core
The occurrence of peeling between them can be suppressed.
【００１０】本発明の詳細を添付した図面に基づき更に
説明する。図１は、本発明の実施例を示す板材の部分断
面状態の斜視図であるが、本発明の板材は多種用途に使
用可能であるため、本実施例ではこの板材を建築物の捨
て型枠として使用した場合を使用代表例として以下説明
する。即ち、図中１は発泡性合成樹脂を発泡させて板状
に形成した芯材であり、この発泡性合成樹脂としては、
ポリウレタン、ポリスチレン、ポリエチレン、ポリプロ
ピレン、ポリエステル、ポリ塩化ビニル、ポリフェノー
ル、ＡＢＳ、ユリア、メラミン樹脂等から選んだ一種又
は二種以上のものが考えられ、これら発泡性合成樹脂を
低発泡や高発泡状態、例えば３０倍程度に発泡させて板
状にしたものである。尚、この発泡度は防音材、保温材
等として将来において使用されることから従来の防音、
保温材として用いられている発泡合成樹脂材と同程度の
発泡倍率であれば可能である。又、図中２は無機材を接
着剤で板状に成形した成型材である。この無機材として
は、珪酸カルシウム、石膏、シリカ、炭酸塩、珪酸塩、
粘土、セメント等の無機系材料を主体として構成される
ものが考えられ、これら無機材に用いられる接着剤とし
ては、ビニルモノマーを乳化重合して得られるようなエ
マルジョンやゴムラテックス、硬質ウレタン等がある。
ただ、本実施例では板材を捨て型枠として使用すること
から少なくとも前記成型材２に釘立ち可能であって且つ
不燃性を有し、しかも長期の放置に対して腐敗が生じな
いものであれば採用できうる。又、前記成型材２にガラ
ス繊維、ロックウール、石綿、有機繊維類を混合して用
いれば成型材２の強度を高めることもできる。このよう
にして板状に成形した成型材２を前記芯材１の片面又は
両面に接着剤等で固着するか、又は芯材１の発泡時に前
記成型材２を片面又は両面に配設して発泡成形すれば、
この発泡合成樹脂が接着剤的作用をなして成型材２と芯
材１とを固着できる。この状態で型枠としての強度が保
持されるとともに、基材が発泡合成樹脂であることから
軽量であり、又、成型材２表面への釘打ちも可能とな
る。更に、前記板材の少なくとも表面側の成型材２表面
にポリエチレン、高密度ポリエチレン、ポリエチレンテ
レフタレート等から選んだ一種又は二種以上のものをフ
ィルム状又はシート状に形成した表面材３を固着してお
けば、この表面材３に付着したコンクリート等が容易に
剥離でき、又、表面材３の裏面に接着剤シートを着脱可
能に一体化したものを予め取り付けておけば、表面材３
を接着剤シートから剥離することで、表面材３に付着し
たコンクリート等が同時に取り除かれ、しかも板材表面
側には接着剤シートが外被するため、この接着剤シート
上にクロス等の内貼り材を貼るだけで接着剤を用いずと
も内貼りを可能にできる。The details of the present invention will be further described with reference to the accompanying drawings. FIG. 1 is a perspective view showing a partial cross-sectional state of a plate material showing an embodiment of the present invention. However, since the plate material of the present invention can be used for various purposes, in this embodiment, this plate material is used as a waste form for building. The following description will be made as a representative example of the case where the above is used. That is, in the figure, reference numeral 1 denotes a core material formed into a plate by foaming a foamable synthetic resin. As the foamable synthetic resin,
One or more kinds selected from polyurethane, polystyrene, polyethylene, polypropylene, polyester, polyvinyl chloride, polyphenol, ABS, urea, melamine resin, etc. are considered. For example, it is made into a plate shape by foaming about 30 times. In addition, since this foaming degree is used in the future as a soundproofing material, a heat insulating material, etc., the conventional soundproofing,
It is possible if the expansion ratio is about the same as that of the synthetic foam resin used as the heat insulating material. Reference numeral 2 in the figure denotes a molded material obtained by molding an inorganic material into a plate shape using an adhesive. This inorganic material includes calcium silicate, gypsum, silica, carbonate, silicate,
Clays, cements and other inorganic materials are considered as main constituents. Examples of adhesives used for these inorganic materials include emulsions obtained by emulsion polymerization of vinyl monomers, rubber latex, and hard urethane. is there.
However, in this embodiment, since the plate material is used as a discarded form, at least it is possible to nail the molded material 2 and has nonflammability, and if it does not cause decay when left for a long time. Can be adopted. If the molding material 2 is mixed with glass fiber, rock wool, asbestos, or organic fibers, the strength of the molding material 2 can be increased. The molding material 2 thus formed into a plate shape is fixed to one or both surfaces of the core material 1 with an adhesive or the like, or the molding material 2 is disposed on one or both surfaces when the core material 1 is foamed. If foamed,
The foamed synthetic resin acts as an adhesive and can fix the molding material 2 and the core material 1 together. In this state, the strength of the formwork is maintained, and since the base material is a foamed synthetic resin, it is lightweight, and it is possible to nail the surface of the molding material 2. Further, a surface material 3 in which one or two or more materials selected from polyethylene, high-density polyethylene, polyethylene terephthalate, etc. are formed in a film or sheet shape is fixed to at least the surface of the molding material 2 on the surface side of the plate material. For example, concrete or the like adhering to the surface material 3 can be easily peeled off, and if an adhesive sheet is detachably integrated with the back surface of the surface material 3 beforehand, the surface material 3
Is peeled off from the adhesive sheet, concrete and the like adhering to the surface material 3 are removed at the same time, and the adhesive sheet covers the surface of the plate material. Can be applied without using an adhesive.
【００１１】次に、前記板材の全周に合成樹脂、硬質ゴ
ム等を帯状に形成した硬質辺部４を固着したものであ
る。この硬質辺部４は、前記板材の芯材１発泡前に予め
硬質辺部４を成型材２、２全周に配置した後、発泡性合
成樹脂を発泡させれば、この発泡性合成樹脂の発泡に伴
って前記硬質辺部４及び成型材２、２を一体的に固着で
きる。又、前記硬質辺部４の内面側に図中７として示す
突片又はアリ溝等を形成しておけば、前記芯材１との接
触面積が増し、芯材１との固着が強化される。尚、この
硬質辺部４を設けた理由の１つには、作業中等による板
材の変形や欠損を保護する目的から板材が欠損し易いた
め、全周に設ければ板材側面への釘打ちが可能となって
より好ましい。[0011] Next, it is all around the synthetic resin before Symbol plate, the rigid sides 4 forming a hard rubber or the like to strip those fixed. The hard side portion 4 can be formed by forming the hard side portion 4 on the entire circumference of the molding materials 2 and 2 before foaming the core material 1 of the plate material and then foaming the foamable synthetic resin. With the foaming, the hard side portion 4 and the molding materials 2, 2 can be integrally fixed. Further, if a protruding piece or a dovetail groove shown as 7 in the figure is formed on the inner surface side of the hard side portion 4, the contact area with the core material 1 increases, and the fixation with the core material 1 is strengthened. . Note that the One reason for the rigid sides 4 provided, nailing of the purpose of protecting the deformation or loss of sheet according to the work secondary liable plate material is deficient, the plate side be provided on the entire circumference Is more preferable.
【００１２】又、前記硬質辺部４表面には、他の板材の
硬質辺部４に形成した凸部５と嵌合しうる凹部としての
嵌合段部６を形成すれば、他の板材とを隣設した際に前
記板材表面が面一となる位置決めが容易にでき、しかも
他の板材とを連設した場合の捩じれ等に対しても板材表
面がズレることもなく強化できる。本実施例では、板材
の一方の側面に位置する硬質辺部４に突片５を設け、他
の側面に位置する硬質辺部４には前記凸部５に嵌合しう
る嵌合段部６を形成したものを例示しているが、これら
嵌合段部６以外でも周知の嵌合方法が採用できることは
当然である。Further , if a fitting step portion 6 is formed on the surface of the hard side portion 4 as a concave portion capable of fitting with the convex portion 5 formed on the hard side portion 4 of another plate material, Positioning such that the surface of the plate material is flush with another plate material can be easily performed, and the plate material surface can be reinforced without being distorted against torsion when the other plate material is continuously provided. . In this embodiment, the protruding piece 5 is provided on the hard side portion 4 located on one side surface of the plate material, and the fitting step portion 6 capable of fitting on the convex portion 5 is provided on the hard side portion 4 located on the other side surface. Is formed, but it goes without saying that a well-known fitting method other than the fitting step 6 can be adopted.
【００１３】上述の如く構成した本発明にかかる板材に
あっては、発泡合成樹脂製板状芯材を基材としている
為、軽量であるがゆえに作業性良好であり、又、全周に
硬質辺部を設けていれば、作業中等に他のものとぶつか
っても変形や欠損等を起こす恐れもなく作業現場に運搬
される。そして、作業現場に持ち運ばれた板材は、例え
ば他の板材と釘等によって連設されたり、ノコギリで切
断する等して建築物の所要形状に合わせた型枠として作
成される。そして、この板材表面側からは周知の要領で
桟木やセパレーター等の補強具を固定して立て込みを行
う。又、例えば壁角部などを成形する位置には、板材端
縁同士が直交することもあるが、前記硬質辺部としてＡ
ＢＳ樹脂等の釘打ち可能な素材で形成しておけば、この
直交する一方の板材側壁への釘打ちも可能となる。In the plate material according to the present invention having the above-described structure, since the base material is a plate-shaped core member made of a synthetic resin foam, the workability is good because of its light weight, and the entire circumference is < If the hard side portion is provided, it can be transported to the work site without any risk of deformation or breakage even if it collides with other objects during work or the like. Then, the plate material carried to the work site is connected to another plate material by nails or the like, or cut with a saw, etc., and is created as a formwork conforming to the required shape of the building. Then, from the surface side of this plate material, reinforcing tools such as crosspieces and separators are fixed and set up in a well-known manner. Further, for example, at the position where the corner of the wall is formed, the edges of the plate material may be orthogonal to each other.
If it is formed of a nailable material such as BS resin, it is possible to nail one side wall of the orthogonal plate.
【００１４】[0014]
【発明の効果】以上の如く、本発明に係る板材にあって
は、従来同様に型枠としての強度を保持しながらも発泡
性合成樹脂を基材としているために軽量であり、又、板
材表面への釘打ちも可能であってノコギリ等での切断も
可能である。そして、本発明では、成形される発泡合成
樹脂製板状芯材の表裏両面及び外周縁を２枚の成形材及
び硬質辺部の内面それぞれに接着固定し、しかも、硬質
辺部に突片又はアリ溝を形成することによって、発泡合
成樹脂製板状芯材との接着面積を増大させることがで
き、発泡合成樹脂製板状芯材との固着を強化することが
できるだけでなく、発泡合成樹脂製板状芯材を他物との
接当等により破損してしまうことを回避することがで
き、長期間に渡って良好に使用することができる耐久性
に優れた板材を提供することができる。更に、硬質辺部
の一辺に他辺に形成の凸部に嵌合する凹部を形成するこ
とによって、複数の板材を面一状に隣接配設する場合
に、一方の板材の凸部に他方の板材の凹部を嵌合するだ
けで、隣接する板材を面一状に位置決めすることがで
き、取り扱い施工面において有利にすることができる。
この場合、硬質辺部に突片又はアリ溝を形成して前記の
ように強固に接着されているから、隣接配設した板材同
士の嵌合部に捩じれ等が作用しても、硬質辺部と発泡合
成樹脂製板状芯材との間に剥がれが発生することを抑制
することができ、この点においても耐久性を高めること
ができるのである。又、硬質辺部を発泡合成樹脂製板状
芯材の全周に設けた場合には板材側面への釘打ちも可能
となる。尚、本発明の板材は従来の型枠、捨て型枠だけ
に使用されるだけでなく、従来の断熱ボード、防音材等
々としても幅広く使用できるものである。As described above, the plate material according to the present invention is lightweight because it is made of a foamable synthetic resin as a base material while maintaining the strength as a mold frame as in the prior art. Nailing to the surface is also possible, and cutting with a saw or the like is also possible. And, in the present invention, the foamed synthetic
Two molding materials are used to cover both the front and back surfaces and the outer peripheral edge of the resin plate core.
Adhesively fixed to the inner surfaces of the hard sides
By forming protrusions or dovetails on the sides, foaming
It is possible to increase the bonding area with the synthetic resin plate core.
And strengthen the adhesion with the foamed synthetic resin plate core.
Not only can it be used to
It is possible to avoid being damaged by contact etc.
Durability that can be used well for a long time
It is possible to provide an excellent plate material. Furthermore, the hard side
One side has a concave part that fits the convex part formed on the other side.
When a plurality of plate materials are arranged adjacent to each other
Then, the convex part of one plate material is fitted into the concave part of the other plate material.
The adjacent plate can be positioned flush.
It can be advantageous in terms of handling and construction.
In this case, a protruding piece or dovetail groove is formed on the hard side to
As in the case of the adjacently arranged plate
Even if torsion acts on the mating part of
Suppresses peeling between the plastic core plate
Can also increase durability in this regard
You can do it . In addition, the hard sides are made of foam synthetic resin
When provided on the entire circumference of the core material, nailing on the side surface of the plate material is also possible. The plate material of the present invention can be used not only for conventional molds and discarded molds but also for conventional heat insulation boards and soundproofing materials.
【図１】 本発明の板材の部分断面斜視図FIG. 1 is a partial cross-sectional perspective view of a plate material of the present invention.
１ 発泡合成樹脂製板状芯材 ２ 成形材 ３ 表面材 ４ 硬質辺部 ５ 凸部 ６ 嵌合段部（凹部） ７ 突片 1 foamed synthetic resin plate core member 2 molded material 3 surface member 4 rigid sides 5 protrusion 6 Hamagodan portion (recess) 7 protruding piece
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) E04G 9/02 B32B 5/18 B32B 21/08 E04B 2/84 - 2/86──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 6 , DB name) E04G 9/02 B32B 5/18 B32B 21/08 E04B 2/84-2/86
Claims (1)
矩形状の成形材と、板厚方向が同一方向となるように対
向配置した前記２枚の成形材の外周縁に渡って設けた硬
質辺部と、前記２枚の成形材と硬質辺部とで形成された
内部空間内に発泡合成樹脂を発泡させてなる芯材と、か
らなり、前記硬質辺部の内面に内部空間内に突出する突
片又はアリ溝を形成するとともに、前記硬質辺部の４辺
のうちの１辺の外面に凹部を形成し、且つ、この凹部に
嵌合する凸部を前記凹部が形成された辺と平行となる反
対側に位置する１辺に形成してなる板材。1. Two sheets formed from an inorganic material and an adhesive
The rectangular molding material is paired with the plate so that the thickness direction is the same.
Hard material provided over the outer peripheral edge of the two molding materials
Formed by the material side portion, the two molding materials and the hard side portion
A core made of foamed synthetic resin in the interior space
A protrusion protruding into the internal space on the inner surface of the hard side portion.
Forming a piece or dovetail groove and the four sides of the hard side portion
A concave portion is formed on the outer surface of one side of
The mating protrusion is parallel to the side where the recess is formed.
A plate material formed on one side located on the opposite side .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4200522A JP2800574B2 (en) | 1992-07-02 | 1992-07-02 | Board material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4200522A JP2800574B2 (en) | 1992-07-02 | 1992-07-02 | Board material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0617535A JPH0617535A (en) | 1994-01-25 |
| JP2800574B2 true JP2800574B2 (en) | 1998-09-21 |
Family
ID=16425715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4200522A Expired - Lifetime JP2800574B2 (en) | 1992-07-02 | 1992-07-02 | Board material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2800574B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5385568B2 (en) * | 2008-08-29 | 2014-01-08 | 盟和産業株式会社 | Laminate and manufacturing method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56168333U (en) * | 1980-05-15 | 1981-12-12 | ||
| JPS5780523U (en) * | 1980-11-04 | 1982-05-18 | ||
| JPS57139509U (en) * | 1981-02-25 | 1982-09-01 | ||
| JPS5869949A (en) * | 1981-10-23 | 1983-04-26 | 株式会社ライム | Construction of externally heat insulating decorative wall |
| JPS6036663U (en) * | 1983-08-17 | 1985-03-13 | 富士ゼロックス株式会社 | Fixing device of dry type electrophotographic copying machine |
-
1992
- 1992-07-02 JP JP4200522A patent/JP2800574B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0617535A (en) | 1994-01-25 |
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