JP3421707B2 - Composite panel - Google Patents
Composite panelInfo
- Publication number
- JP3421707B2 JP3421707B2 JP30803594A JP30803594A JP3421707B2 JP 3421707 B2 JP3421707 B2 JP 3421707B2 JP 30803594 A JP30803594 A JP 30803594A JP 30803594 A JP30803594 A JP 30803594A JP 3421707 B2 JP3421707 B2 JP 3421707B2
- Authority
- JP
- Japan
- Prior art keywords
- composite panel
- core material
- core
- foam
- present
- 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 - Fee Related
Links
Landscapes
- Finishing Walls (AREA)
- Special Wing (AREA)
Description
【発明の詳細な説明】
【0001】
【産業上の利用分野】本発明は建築、構築物の内壁材、
外壁材、間仕切り材、防火戸等に使用でき、製造後の膨
れ、反り等の変形を防止できると共に、機械強度にもす
ぐれた複合パネルに関するものである。
【0002】
【従来の技術】一般に、両面材間に合成樹脂発泡体を芯
材として介在させた複合パネルは多数、開発され販売さ
れている。
【0003】
【発明が解決しようとする課題】しかしながら、この種
複合パネル、特に芯材を液状、粒状等で吐出等して製造
した複合パネルでは、下記するような欠点があった。す
なわち、フェノールフォーム、ポリウレタンフォーム、
ポリイソシアヌレートフォームは芯材形成時に使用した
成分の未反応成分、反応により出る余剰ガス成分で複合
パネルの表面が経時的に膨れたり、反ったりする等の変
形があり、化粧面のイメージを大幅に低下させていた。
特に、例えばフェノール樹脂原液と酸硬化剤と発泡剤と
を混合吐出し、反応発泡して形成したフェノールフォー
ム用原料(レゾール型)を芯材とした場合は、フェノー
ルフォーム中に、反応の際の縮合水が重量の数10パー
セント位が保持され、製品の養生期間、あるいは複合パ
ネルの施工後に、外気温等の変化により、水分が水蒸気
化し、同じく逃げ道が無いために、複合パネルの表面材
もしくは裏面材と芯材の間に残留し、複合パネルの表面
材、裏面材と芯材間にガス膨れが発生したり、反った
り、機械強度を低下する等して、経時的に複合パネルの
外観、パネルの強度に悪影響を与える欠点があった。
【0004】
【課題を解決するための手段】本発明は、このような欠
点を除去するために、芯材となるフォームの適宜位置に
上下左右、もしくは一方向に紐状物等を埋設、もしくは
表面材、裏面材と芯材の境界に介在させ、この紐状物等
の孔形成材が経時的に溶解、もしくは収縮して芯材内に
経時的に発生する不要なガスのガス抜き孔として機能さ
せ、本来の強度を維持すると共に化粧面の美観を損ねな
い複合パネルを提案するものである。
【0005】
【実施例】以下に、図面を用いて本発明に係る複合パネ
ルの一実施例について詳細に説明する。すなわち、図1
(a)、(b)は本発明に係る複合パネルAの代表例を
示す斜視図であり、表面材1と裏面材2間に一体に介在
した芯材3と、この芯材3の適宜位置に存在せしめた孔
形成材4とを一体に構成したものである。
【0006】すなわち、表面材1および裏面材2は金属
薄板、例えば鉄、アルミニウム、銅、ステンレス、チタ
ン、アルミ・亜鉛合金メッキ鋼板、ホーロー鋼板、クラ
ッド鋼板、ラミネート鋼板(塩ビ鋼板等)、サンドイッ
チ鋼板(制振鋼板等)、塩化ビニル成形板等(勿論、こ
れらを各種色調に塗装したカラー金属板を含む)の一種
をロール成形、プレス成形、押出成形等によって各種形
状に成形したもの、あるいは無機質材、塩化ビニル樹脂
等を押出成形、プレス成形、オートクレーブ養生成形等
して各種任意形状に形成したもの、または、アスベスト
紙、クラフト紙、アスファルトフェルト、金属箔(A
l、Fe、Pb、Cu)、合成樹脂シート、ゴムシー
ト、布シート、石膏紙、水酸化アルミ紙、ガラス繊維不
織布等の1種、または2種以上をラミネートしたもの、
さらにはこれらに防水処理、難燃処理を施したシート状
物からなるものである。
【0007】芯材3はポリウレタンフォーム、ポリイソ
シアヌレートフォーム、フェノールフォーム、塩化ビニ
ルフォーム、ポリエチレンフォーム、ポリスチレンフォ
ーム、ユリアフォーム等の合成樹脂発泡体からなるもの
である。特にフェノールフォームよりなる際は、レゾー
ル型フェノールの原液と酸硬化剤を混合し、表面材1、
もしくは裏面材2の裏面側に吐出させ、加熱して反応発
泡させて形成したものである。また、芯材3中には目的
によって各種難燃材として軽量骨材(パーライト粒、ガ
ラスビーズ、石膏スラグ、タルク石、吸着能力もあるゼ
オライト、シラスバルーン等、繊維状物(グラスウー
ル、ロックウール、カーボン繊維、グラファイト等)、
吸熱材の水酸化アルミニウム、等の1種以上を少なくと
も5〜300重量部位混在させ、耐火性、防火性を向上
させることもできる。
【0008】さらに説明すると、孔形成材4は発泡剤、
酸硬化剤、樹脂成分、難燃化剤、強化剤等の成分によっ
て数日間から数ケ月の期間に収縮、もしくは溶解する材
質で断面が円形、多角形、その他、任意の中空断面を形
成するか、繊維状物の撚り部分の隙間から気体が漏洩し
うる構造のものである。具体例としては、木綿、ガラス
繊維、デンプン、動物性繊維、および植物性繊維を線
状、ネット状、棒状、テープ状等に成形したもの、等で
断面積としては約0.01〜10mm2 位である。図で
は図1(a)が製造直後の状態を示し、図1(b)は製
造後に孔形成材4が中空部14として形成された状態を
示すものである。
【0009】孔形成材4は例えば図2(a)〜(f)に
示すような構成で形成するものである。すなわち、
(a)図は中空体5の外周面に微孔6を穿設、もしくは
有するもの、(b)図は密実体のもの、(c)図は繊維
7を撮り合わせた線状物、(d)図は中空体5の中空部
に温度60〜100℃位で充填物9自体が溶解し、かつ
中空体5をも溶解するか、あるいは全体が収縮して芯材
3の任意位置に中空部14(通気孔)を形成できるもの
である。なお、充填物9としては澱粉、約60〜80℃
位で溶解、収縮等のいずれかに変化する低融点プラスチ
ック、アルギン酸、パラフィン、低融点ゴム、スチレン
樹脂等の1種以上からなるものである。
【0010】図2(e)の孔形成材4が中空状の線状体
であるもの、(f)図はコイル状に形成した線状体であ
り、その中心から反応時、およびその後に発生する気体
を芯材3外へ導出するのに役立つものである。特に、コ
イル状の場合は線と線間の接触部分に表面張力の関係で
隙間が形成されやすく、その中心部に気体が侵入しやす
い構造となる。なお、材質としてはステンレスやスチー
ルを樹脂やパラフィン等で被覆したコイル、樹脂製コイ
ル等である。
【0011】さらに説明すると、孔形成材4は直線状の
配列だけでなく、図3(a)〜(c)等に一例として示
すようにネット状に編んだシート状物、あるいは(c)
図に示すように格子状とした場合も含み、特に格子状で
はハニカム的機能と芯材3内の気体を外部へ排出するの
にパスが非常に短縮でき、排気効果がある。
【0012】
【その他の実施例】以上、説明したのは本発明に係る複
合パネルの一実施例であり、図4(a)〜(d)および
図10(a)〜(e)に示すように構成することもでき
る。すなわち、図4(a)〜(d)において、(a)図
は表面材1と裏面材2間に芯材3を一体に介在し、その
表面材1、裏面材2と芯材3が接触する面に孔形成材4
を適宜ピッチで介在した複合パネルA、(b)図は芯材
3に3層の孔形成材4を介在した複合パネルA、(c)
図は表面材1の中間部分に線状、布状、ネット状または
格子状の孔形成材4をイソシアネート系の接着薄層10
を介して一体化し、その上に芯材3を吐出等して構成材
の全てを一体化した複合パネルA、(d)図は図では5
層の格子状に形成した孔形成材4を埋設した複合パネル
Aである。
【0013】図5(a)〜(e)は複合パネルAの形状
を変形したものであり、(a)〜(c)図は表面材1と
裏面材2間に孔形成材4を介在した複合パネルA、
(d)、(e)図は表面材1の裏面1aに孔形成材4を
形成した複合パネルAである。
【0014】また、図6(a)〜(d)において、
(a)〜(c)図は孔形成材4を5本、3本、2本埋設
して形成した複合パネルA、(d)図は表面材1の裏面
1aと芯材3間に生ずる不要ガスを外部へ孔形成材4を
介して中空部8へ導出し、この中空部8から貫通孔11
を介して排出する構造とした複合パネルAである。その
部分拡大断面図は図7に示す。
【0015】さらに、図8(a)〜(d)および図9
(a)〜(d)に示すように、裏面材2から表面材1の
裏面1aの近傍まで直径が約1〜5mmφに相当するめ
くら孔12を穿設し、より表面材1と芯材3の剥離、剥
落を防止することもできる。勿論、形成位置、個数は任
意である。
【0016】図10(a)〜(e)はその他の複合パネ
ルAを示すその他の実施例であり、(a)図は表面材1
の表面を凹凸状に形成し、主に凹状部に0.1〜2mm
φ位の貫通孔11を多数孔、任意間隔で穿設し、その表
面に耐候性、防水性のあるシート13を接着して中空部
14を形成した複合パネルAである。(b)図は表面材
1と芯材3を一体化した後に貫通孔11を穿設し、その
後でシート13を一体に固着し、中空部14を形成した
複合パネルA、(c)〜(e)図は凸状部15先端部分
に孔形成材4を充填した複合パネルAであり、孔形成材
4が収縮、もしくは溶解した後に通気用の中空部14が
形成される複合パネルAである。その他、繊維状物を紐
状にし、この繊維に150℃以下で溶融するパラフィ
ン、またはロウを含有させたもの等を含むものである。
【0017】なお、図中16は無機系パッキング材、1
7は無機系板材、18はパッキング材である。
【0018】
【発明の効果】上述したように本発明に係る複合パネル
によれば、表面材が芯材の充填後の反応等により生ず
る気体を孔形成材の収縮、溶解等によって物理的な空隙
を確実に、かつ経時的に形成したため、表面材と芯材間
の境界に生ずる気体を境界部分から外部へ従前に比し約
5〜20倍位の比で排出できる。上記気体を境界部、
芯材等より外部へ排出できるため化粧面の変形を防止
し、美しい外観を長期に亘って維持することができる。
表面材と芯材間に生ずる不要な気体を外部へ排出する
ため、表面材と芯材の一体化が破壊されることがなく機
械強度も長期に亘って持続できる。等の特徴、効果があ
る。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an interior wall material for a building or a building,
The present invention relates to a composite panel that can be used for an outer wall material, a partition material, a fire door, and the like, can prevent deformation such as swelling and warping after manufacturing, and has excellent mechanical strength. 2. Description of the Related Art In general, a large number of composite panels having a synthetic resin foam as a core material between both surfaces have been developed and sold. [0003] However, this type of composite panel, particularly a composite panel manufactured by discharging a core material in a liquid or granular form or the like, has the following disadvantages. That is, phenol foam, polyurethane foam,
Polyisocyanurate foam has an unreacted component of the components used when forming the core material, and the excess gas component generated by the reaction causes the surface of the composite panel to swell or warp over time, which greatly enhances the image of the decorative surface Had been lowered.
In particular, for example, when a raw material for phenol foam (resole type) formed by mixing and discharging a phenol resin stock solution, an acid curing agent, and a foaming agent and reacting and foaming is used as a core material, the phenol foam contains Condensed water retains several tens of percent of its weight, and after the curing period of the product, or after the application of the composite panel, changes in external temperature, etc., cause water to vaporize and, similarly, there is no escape route. Residual material between the backing material and the core material, gas swelling between the surface material of the composite panel and the backing material and the core material, warping, lowering of mechanical strength, etc., the appearance of the composite panel with time However, there is a disadvantage that the strength of the panel is adversely affected. [0004] In order to eliminate such a drawback, the present invention embeds a string or the like in a vertical or horizontal direction or in one direction at an appropriate position of a foam as a core material, or Interposed at the boundary between the surface material, the back surface material and the core material, and as a vent hole for unnecessary gas generated in the core material over time as the hole forming material such as a string is dissolved or shrunk over time. The present invention proposes a composite panel that functions and maintains the original strength and does not impair the aesthetic appearance. An embodiment of the composite panel according to the present invention will be described below in detail with reference to the drawings. That is, FIG.
(A), (b) is a perspective view showing a typical example of a composite panel A according to the present invention, in which a core material 3 integrally interposed between a front material 1 and a back material 2 and an appropriate position of the core material 3. And the hole forming material 4 which is present in the first embodiment is integrally formed. That is, the surface material 1 and the back surface material 2 are made of a thin metal plate, for example, iron, aluminum, copper, stainless steel, titanium, aluminum / zinc alloy plated steel plate, enameled steel plate, clad steel plate, laminated steel plate (PVC steel plate, etc.), sandwich steel plate. (Vibration damping steel plate, etc.), vinyl chloride molded plate, etc. (of course, including colored metal plates coated with various colors) formed into various shapes by roll forming, press forming, extrusion forming, etc., or inorganic Material, vinyl chloride resin, etc. formed into various arbitrary shapes by extrusion molding, press molding, autoclaving, etc., or asbestos paper, kraft paper, asphalt felt, metal foil (A
l, Fe, Pb, Cu), synthetic resin sheet, rubber sheet, cloth sheet, gypsum paper, aluminum hydroxide paper, glass fiber non-woven fabric, etc., or a laminate of two or more kinds,
Further, they are made of a sheet-like material subjected to a waterproof treatment and a flame retardant treatment. The core material 3 is made of a synthetic resin foam such as polyurethane foam, polyisocyanurate foam, phenol foam, vinyl chloride foam, polyethylene foam, polystyrene foam, urea foam and the like. In particular, when a phenol foam is used, a resol-type phenol stock solution and an acid curing agent are mixed, and the surface material 1,
Alternatively, it is formed by discharging on the back side of the back material 2 and heating and reacting and foaming. In the core material 3, various types of flame-retardant materials such as lightweight aggregates (pearlite particles, glass beads, gypsum slag, talc stone, zeolites having adsorption capacity, shirasu balloons, etc., and fibrous materials (glass wool, rock wool, Carbon fiber, graphite, etc.),
At least 5 to 300 parts by weight of aluminum hydroxide or the like as a heat-absorbing material may be mixed in at least 5 to 300 parts by weight to improve fire resistance and fire resistance. More specifically, the pore-forming material 4 is a foaming agent,
Whether the cross section is circular, polygonal, or any other hollow cross section made of a material that shrinks or dissolves in a period of several days to several months depending on components such as an acid curing agent, a resin component, a flame retardant, and a reinforcing agent. It has a structure in which gas can leak from the gap between the twisted portions of the fibrous material. Specific examples include cotton, glass fiber, starch, animal fiber, and plant fiber which are formed into a linear shape, a net shape, a rod shape, a tape shape, or the like, and have a cross-sectional area of about 0.01 to 10 mm 2. Rank. 1A shows a state immediately after manufacturing, and FIG. 1B shows a state in which the hole forming material 4 is formed as a hollow portion 14 after manufacturing. The hole forming material 4 is formed, for example, in a configuration as shown in FIGS. 2 (a) to 2 (f). That is,
(A) is a diagram in which fine holes 6 are formed or provided on the outer peripheral surface of the hollow body 5, (b) is a dense body, (c) is a linear object obtained by taking a fiber 7, (d) The figure shows that the filling 9 itself dissolves in the hollow part of the hollow body 5 at a temperature of about 60 to 100 ° C. and also dissolves the hollow body 5 or the entire body shrinks and the hollow part 14 (vent). The filling 9 is starch, about 60 to 80 ° C.
It is made of one or more of low melting point plastic, alginic acid, paraffin, low melting point rubber, styrene resin, etc., which changes to any of melting, shrinking, etc. FIG. 2 (e) shows that the hole forming material 4 is a hollow linear body, and FIG. 2 (f) shows a coil-shaped linear body, which is generated from the center during the reaction and thereafter. This is useful for guiding the generated gas out of the core material 3. In particular, in the case of the coil shape, a gap is easily formed due to the surface tension at a contact portion between the wires, and a structure in which gas easily enters a central portion thereof is provided. In addition, as the material, a coil in which stainless steel or steel is covered with resin, paraffin, or the like, a coil made of resin, or the like is used. More specifically, the hole forming material 4 is not limited to a linear arrangement, but is a sheet-like material knitted in a net shape as shown as an example in FIGS. 3 (a) to 3 (c) or (c).
As shown in the figure, this also includes the case of a lattice shape, and particularly in the case of a lattice shape, the path for discharging the gas in the core material 3 to the outside can be greatly shortened, and there is an exhaust effect. Other Embodiments Described above is one embodiment of the composite panel according to the present invention, as shown in FIGS. 4 (a) to 4 (d) and 10 (a) to 10 (e). Can also be configured. 4 (a) to 4 (d), in FIG. 4 (a), the core material 3 is integrally interposed between the surface material 1 and the back material 2, and the surface material 1, the back material 2 and the core material 3 are in contact with each other. Hole forming material 4
Panel A, (b) shows a composite panel A in which three layers of hole forming materials 4 are interposed in a core material 3, (c).
In the figure, a linear, cloth-like, net-like or lattice-like hole forming material 4 is attached to an intermediate portion of a surface material 1 with an isocyanate-based adhesive thin layer 10.
A composite panel A in which all of the constituent materials are integrated by discharging the core material 3 or the like onto the composite panel A, and FIG.
This is a composite panel A in which a hole forming material 4 formed in a layered lattice is embedded. FIGS. 5A to 5E show modified shapes of the composite panel A, and FIGS. 5A to 5C show that a hole forming material 4 is interposed between the front surface member 1 and the back surface member 2. FIG. Composite panel A,
(D) and (e) show the composite panel A in which the hole forming material 4 is formed on the back surface 1a of the surface material 1. In FIGS. 6 (a) to 6 (d),
(A) to (c) are composite panels A formed by embedding five, three, and two hole forming materials 4, and (d) are unnecessary panels generated between the back surface 1a of the surface material 1 and the core material 3. The gas is led to the outside through the hole forming material 4 to the hollow portion 8, and the gas passes through the through hole 11 through the hollow portion 8.
Is a composite panel A configured to discharge through the panel. FIG. 7 is a partially enlarged cross-sectional view thereof. Further, FIGS. 8A to 8D and FIG.
As shown in (a) to (d), a blind hole 12 having a diameter of about 1 to 5 mmφ is formed from the back surface member 2 to the vicinity of the back surface 1a of the front surface member 1 so that the front surface member 1 and the core member 3 can be formed. Can be prevented from peeling off. Of course, the formation position and the number are arbitrary. FIGS. 10A to 10E show another embodiment showing another composite panel A. FIG.
The surface of the surface is formed unevenly, and the concave portion is mainly 0.1 to 2 mm.
This is a composite panel A in which a large number of through holes 11 in the φ-position are formed at arbitrary intervals, and a hollow portion 14 is formed by bonding a sheet 13 having weather resistance and waterproofness to the surface thereof. (B) The composite panel A in which the through hole 11 is formed after the surface material 1 and the core material 3 are integrated after the surface material 1 and the core material 3 are integrated, and then the sheet 13 is integrally fixed to form the hollow portion 14, (c) to (c). e) The figure shows a composite panel A in which the hole-forming material 4 is filled at the tip of the convex portion 15, and the air-forming hollow portion 14 is formed after the hole-forming material 4 shrinks or melts. . In addition, it also includes those obtained by forming a fibrous material into a string shape and adding paraffin or wax that is melted at a temperature of 150 ° C. or lower to the fiber. In the figure, reference numeral 16 denotes an inorganic packing material, 1
Reference numeral 7 denotes an inorganic plate material, and reference numeral 18 denotes a packing material. As described above, according to the composite panel of the present invention, the gas generated by the reaction of the surface material after the filling of the core material is caused by the shrinkage and dissolution of the pore-forming material. Is formed reliably and with time, gas generated at the boundary between the surface material and the core material can be discharged from the boundary portion to the outside at a ratio of about 5 to 20 times as much as before. The above gas at the boundary,
Since it can be discharged from the core or the like to the outside, deformation of the decorative surface can be prevented, and a beautiful appearance can be maintained for a long time.
Since unnecessary gas generated between the surface material and the core material is discharged to the outside, the integration of the surface material and the core material is not destroyed, and the mechanical strength can be maintained for a long time. There are features and effects.
【図面の簡単な説明】
【図1】本発明に係る複合パネルの一実施例を示す斜視
図である。
【図2】本発明に係る複合パネルの要部である孔形成材
のその他の構成を示す説明図である。
【図3】本発明に係る複合パネルの要部である孔形成材
のその他の実施例を示す説明図である。
【図4】本発明に係る複合パネルのその他の実施例を示
す説明図である。
【図5】本発明に係る複合パネルのその他の実施例を示
す説明図である。
【図6】本発明に係る複合パネルのその他の実施例を示
す説明図である。
【図7】本発明に係る複合パネルのその他の実施例を示
す説明図である。
【図8】本発明に係る複合パネルのその他の実施例を示
す説明図である。
【図9】本発明に係る複合パネルのその他の実施例を示
す説明図である。
【図10】本発明に係る複合パネルのその他の実施例を
示す説明図である。
【符号の説明】
A 複合パネル
1 表面材
1a 裏面
2 裏面材
3 芯材
4 孔形成材
5 中空体
6 微孔
7 繊維
8 中空部
9 充填物
10 接着薄層
11 貫通孔
12 めくら孔
13 シート
14 中空部
15 凸状部
16 無機系パッキング材
17 無機系板材
18 パッキング材BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing one embodiment of a composite panel according to the present invention. FIG. 2 is an explanatory view showing another configuration of a hole forming material which is a main part of the composite panel according to the present invention. FIG. 3 is an explanatory view showing another embodiment of a hole forming material which is a main part of the composite panel according to the present invention. FIG. 4 is an explanatory view showing another embodiment of the composite panel according to the present invention. FIG. 5 is an explanatory view showing another embodiment of the composite panel according to the present invention. FIG. 6 is an explanatory view showing another embodiment of the composite panel according to the present invention. FIG. 7 is an explanatory view showing another embodiment of the composite panel according to the present invention. FIG. 8 is an explanatory view showing another embodiment of the composite panel according to the present invention. FIG. 9 is an explanatory view showing another embodiment of the composite panel according to the present invention. FIG. 10 is an explanatory view showing another embodiment of the composite panel according to the present invention. DESCRIPTION OF SYMBOLS A Composite panel 1 Surface material 1a Back surface 2 Back material 3 Core material 4 Pore forming material 5 Hollow body 6 Micropore 7 Fiber 8 Hollow portion 9 Filler 10 Adhesive thin layer 11 Through hole 12 Drill hole 13 Sheet 14 Hollow part 15 Convex part 16 Inorganic packing material 17 Inorganic plate material 18 Packing material
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7,DB名) E04F 13/12 E04F 13/12 101 E06B 5/16 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) E04F 13/12 E04F 13/12 101 E06B 5/16
Claims (1)
なる芯材を一体にサンドイッチした複合パネルにおい
て、芯材中または芯材と表面材と裏面材間の境界の少な
くとも一つに芯材の成分、もしくは自体で体積を収縮さ
せるか溶解する紐状物、テープ状物、ネット状物等の孔
形成材を埋設、もしくは介在させたことを特徴とする複
合パネル。(57) [Claim 1] In a composite panel in which a core material made of a synthetic resin foam is integrally sandwiched between a front material and a back material, the composite material has a core material, a core material, a surface material, and a back material. At least one of the boundaries between the core material, or a hole-forming material such as a string-like material, tape-like material, net-like material, which shrinks or dissolves in volume by itself or is interposed. Composite panel.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30803594A JP3421707B2 (en) | 1994-12-13 | 1994-12-13 | Composite panel |
US08/489,936 US5580637A (en) | 1994-12-13 | 1995-06-13 | Sandwich panel having internal gas discharge member |
DE1995125024 DE19525024A1 (en) | 1994-12-13 | 1995-07-10 | Sandwich panel |
CA 2154037 CA2154037C (en) | 1994-12-13 | 1995-07-17 | Sandwich panel having internal gas discharge member |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30803594A JP3421707B2 (en) | 1994-12-13 | 1994-12-13 | Composite panel |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH08165785A JPH08165785A (en) | 1996-06-25 |
JP3421707B2 true JP3421707B2 (en) | 2003-06-30 |
Family
ID=17976108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP30803594A Expired - Fee Related JP3421707B2 (en) | 1994-12-13 | 1994-12-13 | Composite panel |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3421707B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113802704A (en) * | 2021-10-08 | 2021-12-17 | 巩义市泛锐熠辉复合材料有限公司 | Heat insulation material and preparation method thereof |
-
1994
- 1994-12-13 JP JP30803594A patent/JP3421707B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH08165785A (en) | 1996-06-25 |
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