JP2535925B2 - Veneer - Google Patents
VeneerInfo
- Publication number
- JP2535925B2 JP2535925B2 JP62168114A JP16811487A JP2535925B2 JP 2535925 B2 JP2535925 B2 JP 2535925B2 JP 62168114 A JP62168114 A JP 62168114A JP 16811487 A JP16811487 A JP 16811487A JP 2535925 B2 JP2535925 B2 JP 2535925B2
- Authority
- JP
- Japan
- Prior art keywords
- wood
- resin layer
- resin
- layer
- pieces
- 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
- Laminated Bodies (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、テーブル、カウンター、家具、音響機器
ケース等の木製什器や床材、壁材等の木質建材、車内装
備品などの表面材として好適に用いられる木質系の化粧
板に関し、木材小片を分散し着色不透明樹脂層上にガラ
ス繊維を混入した透明樹脂層を設け、木材小片や着色不
透明樹脂の動きによる透明樹脂層の微小な凹凸の発生を
防止するようにしたものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention is applied to wooden furniture such as tables, counters, furniture, and audio equipment cases, flooring materials, wooden building materials such as wall materials, and surface materials for in-car accessories. Regarding a wood-based decorative board that is preferably used, a small resin piece is dispersed and a transparent resin layer mixed with glass fibers is provided on the colored opaque resin layer. This is to prevent the occurrence.
この種の化粧板としては、本出願人が先に特許出願
（昭和62年５月28日付特許出願）したものがある。この
化粧板は、基板上に多数の木材小片を分散した着色不透
明樹脂層と透明樹脂層とを設け、着色不透明樹脂層内の
木材小片をこの層の表面に露出させ、かつこの表面を平
坦としたものである。As this type of decorative board, there is a patent application (patent application dated May 28, 1987) previously filed by the present applicant. This decorative board is provided with a colored opaque resin layer in which a large number of small wood pieces are dispersed and a transparent resin layer, the small wood pieces in the colored opaque resin layer are exposed on the surface of this layer, and the surface is made flat. It was done.
しかしながら、この化粧板にあっては、木材小片の吸
排湿による動きや着色不透明樹脂層の硬化収縮、温度変
化による動きなどの理由によって、透明樹脂層の表面に
微小な凹凸が発生し、外観が低下する問題があった。However, in this decorative board, minute unevenness is generated on the surface of the transparent resin layer due to movement due to moisture absorption / exhaustion of small pieces of wood, curing shrinkage of the colored opaque resin layer, movement due to temperature change, etc. There was a problem of decline.
この発明では、多数の木材小片を分散した着色不透明
樹脂層上にガラス繊維を混入した透明樹脂層を設けるこ
とをその解決手段とし、ガラス繊維を混入して透明樹脂
層の剛性を高め、下層の木材小片を分散した着色不透明
樹脂層の動きが透明樹脂層表面に表われないようにし
た。In the present invention, the solution is to provide a transparent resin layer mixed with glass fibers on a colored opaque resin layer in which a large number of small pieces of wood are dispersed, and glass fibers are mixed to increase the rigidity of the transparent resin layer, The movement of the colored opaque resin layer in which the small pieces of wood were dispersed was prevented from appearing on the surface of the transparent resin layer.
第１図は、この発明の化粧板の一例を示すもので、図
中符号１は基板である。この基板１には、ラワン合板、
パーチクルボート、ランバーコアボード、ムク材などの
木質系のものや繊維強化合成樹脂板などの樹脂系のもの
などが用いられ、その厚さは特に限定されることはない
が、通常２〜50mm、好ましくは５〜10mm程度とされる。FIG. 1 shows an example of a decorative board of the present invention, in which reference numeral 1 is a substrate. On this substrate 1, lauan plywood,
Particle-based boats, lumber core boards, wood-based materials such as solid wood and resin-based materials such as fiber reinforced synthetic resin plates are used, and the thickness thereof is not particularly limited, but is usually 2 to 50 mm, preferably Is about 5 to 10 mm.
この基板１上には、これと一体に多数の木材小片２…
を着色不透明樹脂３中に分散してなる木材小片分散着色
不透明樹脂４が設けられている。この樹脂層４を形成す
る木材小片２としては、黒タン、ブナ、ナラ、トチ、セ
ン、タモ、カエデ、カバ、カシなどの広葉樹、スギ、ヒ
ノキ、マツ、スプルース、アガチスなどの針葉樹などの
木材の小片であって、その形状は特に限定されないが、
板状、直方体状、立方体状、粒状などの切削加工により
形成された小片、またはこれらの小片を機械的衝撃、ロ
ーラ加圧によって破砕した小片などの様々の形状のもの
が用いられる。この小片２の大きさは、その形状を直方
体材とした場合、幅３〜7mm、好ましくは５〜6mm、長さ
３〜20mm、好ましくは12〜20mm、厚さ0.2〜3mm、好まし
くは0.2〜1mmから幅20〜25mm、長さ20〜100mm、好まし
くは30〜60mm、厚さ0.2〜3mm、好ましくは0.2〜1mmまで
の偏平なものが好ましく、円柱状であれば径５〜100m
m、厚さ0.2〜5mm程度とされ、破砕片であれば幅１〜4m
m、長さ３〜30mm、好ましくは５〜30mm、厚さ0.2〜3m
m、好ましくは0.2〜1mm程度が望ましい。また、この木
材小片２は、樹種の異なるもの、色調の異なるものなど
が混入していてもよい。また、木材小片２には必要に応
じて寸法安定化処理を施したものを用いることもでき
る。寸法安定化処理は、木材小片を無水酢酸で処理する
アセチル化処理、ポリエチレングリコール、ポリプロピ
レングリコールを含浸する方法、液状のフェノール樹
脂、不飽和ポリエステル樹脂、エポキシ樹脂、シリコー
ン樹脂、ウレタン樹脂、アクリル樹脂などの液状樹脂を
含浸、固化させる方法などがある。また、ポリエチレン
グリコールや液状樹脂中に有機ハロゲン系防腐剤を混入
しておき、寸法安定化処理と防腐処理とを同時に行うこ
ともできる。On this board 1, a large number of small wood pieces 2 ...
A small piece of wood-dispersed colored opaque resin 4, which is a colored opaque resin 3 dispersed in, is provided. The wood pieces 2 forming the resin layer 4 include hardwoods such as black tongue, beech, oak, tochi, sen, duck, maple, hippo, oak, and conifers such as cedar, cypress, pine, spruce, and agachis. Is a small piece, and its shape is not particularly limited,
Various shapes such as a small piece formed by cutting such as a plate shape, a rectangular parallelepiped shape, a cubic shape, and a granular shape, or a small piece obtained by crushing these small pieces by mechanical impact or roller pressure are used. When the shape of the small piece 2 is a rectangular parallelepiped material, the width is 3 to 7 mm, preferably 5 to 6 mm, the length is 3 to 20 mm, preferably 12 to 20 mm, and the thickness is 0.2 to 3 mm, preferably 0.2 to Width 20 to 25 mm, length 20 to 100 mm, preferably 30 to 60 mm, thickness 0.2 to 3 mm, preferably flat to 0.2 to 1 mm, preferably 5 to 100 m if cylindrical.
m, thickness 0.2 to 5 mm, crushed pieces width 1 to 4 m
m, length 3 to 30 mm, preferably 5 to 30 mm, thickness 0.2 to 3 m
m, preferably about 0.2 to 1 mm. In addition, the small pieces 2 of wood may be mixed with different kinds of wood, different colors, and the like. In addition, the piece of wood 2 may be subjected to a dimension stabilization treatment if necessary. Dimension stabilization treatment is acetylation treatment of small pieces of wood with acetic anhydride, method of impregnating polyethylene glycol and polypropylene glycol, liquid phenol resin, unsaturated polyester resin, epoxy resin, silicone resin, urethane resin, acrylic resin, etc. There is a method of impregnating and solidifying the liquid resin. It is also possible to mix an organic halogen-based antiseptic in polyethylene glycol or a liquid resin, and simultaneously perform the dimensional stabilization treatment and the antiseptic treatment.
また、木材小片２には、その一部または全部を１種ま
たは２種以上の色調に着色処理を施したものを用いるこ
とができるが、黒タンなどの黒色、レンガス、パドック
などの黄色、ナラ、ブナなどの白色等木材の自然色を生
かすこともまた好ましい。着色処理は、染料、顔料など
の色剤を水、有機溶剤などの溶剤に溶解した色剤濃度0.
1〜10重量％程度の着色液に多数の木材小片を浸漬する
方法などが用いられる。着色液を加温して着色液の浸透
を促し、濃色に着色することもできる。また、寸法安定
化処理の際に、種々の液状樹脂中に色剤を溶解してお
き、寸法安定化処理と同時に着色処理を行うこともでき
る。The wood pieces 2 may be partially or wholly subjected to a coloring treatment of one or more kinds of color tone, and may be black such as black tan, yellow such as rengas and paddock, and oak. It is also preferable to take advantage of the natural color of wood such as white, beech and the like. Coloring treatment is carried out by dissolving coloring agents such as dyes and pigments in water and solvents such as organic solvents.
A method of immersing a large number of small wood pieces in a coloring liquid of about 1 to 10% by weight is used. It is also possible to heat the coloring liquid to promote the permeation of the coloring liquid and color it deeply. Further, at the time of the dimension stabilization treatment, the coloring agent may be dissolved in various liquid resins so that the coloring treatment is performed simultaneously with the dimension stabilization treatment.
また、着色不透明樹脂３をなす樹脂には、不飽和ポリ
エステル樹脂、ポリウレタン樹脂、ジアリルフタレート
樹脂、エポキシ樹脂、シリコーン樹脂、ヘェノール樹
脂、変性アクリル樹脂等の硬化前の状態が液状の熱硬化
性樹脂が主に用いられ、これに充填剤、着色剤が添加さ
れて着色不透明樹脂３を形成している。ここでの充填剤
には、炭酸カルシウム、タルク、酸化チタン、シリカ、
ガラス粉末などが使用される。充填剤の配合量は、樹脂
液100重量部に対して100〜400重量部程度とされる。ま
た、着色剤には、木材小片２の色調と同系統の黄色系、
茶色系、褐色系の色調の染料、顔料等が好ましいが、こ
れ以外の色調のものでもよい。添加量は通常の範囲でよ
く、特に限定されることはない。The resin forming the colored opaque resin 3 may be a thermosetting resin such as unsaturated polyester resin, polyurethane resin, diallyl phthalate resin, epoxy resin, silicone resin, henol resin, or modified acrylic resin which is in a liquid state before curing. It is mainly used, and a filler and a coloring agent are added thereto to form the colored opaque resin 3. Fillers here include calcium carbonate, talc, titanium oxide, silica,
Glass powder or the like is used. The blending amount of the filler is about 100 to 400 parts by weight with respect to 100 parts by weight of the resin liquid. In addition, as the colorant, a yellowish color similar to the color tone of the wood piece 2,
Dyes and pigments having a brown or brown color tone are preferable, but other color tone may be used. The amount added may be in the usual range and is not particularly limited.
また、この木材小片分散着色不透明樹脂層４にあって
は、第１図に示すように大部分の木材小片２…が表面側
に分散しており、かつこれらの大部分の木材小片２…の
１つの表面が層４の表面に露出しており、層４の表面は
平坦となっている。層４の表面積に占める木材小片２…
の露出面積の総和は、10〜90％、好ましくは70〜90％程
度とされる。また、この樹脂層４の厚さは、１〜2mm、
好ましくは１〜1.5mm程度とされる。Further, in the wood piece dispersed colored opaque resin layer 4, as shown in FIG. 1, most of the wood pieces 2 are dispersed on the surface side, and most of these wood pieces 2 ... One surface is exposed on the surface of the layer 4 and the surface of the layer 4 is flat. Wood pieces 2 occupy the surface area of layer 4 ...
The total exposed area is about 10 to 90%, preferably about 70 to 90%. The thickness of the resin layer 4 is 1-2 mm,
It is preferably about 1 to 1.5 mm.
この木材小片分散着色不透明樹脂層４上には、ガラス
繊維５を混入した透明樹脂層６が一体に設けられてい
る。この透明樹脂層６は、無色透明または着色透明の厚
さ50〜300μｍ程度の樹脂層であって、不飽和ポリエス
テル樹脂、ポリウレタン樹脂、ジアリルフタレート樹
脂、エポキシ樹脂などの熱硬化性樹脂に、この樹脂の透
明性を妨げない程度の厚さ30〜100μｍの薄手のガラス
クロスやサーフェイスマットなどのガラス繊維５を混入
した一種の繊維強化プラスチックである。また、このガ
ラス繊維５の樹脂中の混入率は30〜200重量％程度とさ
れる。A transparent resin layer 6 mixed with glass fibers 5 is integrally provided on the wood piece dispersed colored opaque resin layer 4. The transparent resin layer 6 is a colorless transparent or colored transparent resin layer having a thickness of about 50 to 300 μm, which is a thermosetting resin such as an unsaturated polyester resin, a polyurethane resin, a diallyl phthalate resin, or an epoxy resin. It is a kind of fiber reinforced plastic mixed with glass fiber 5 such as thin glass cloth and surface mat having a thickness of 30 to 100 μm which does not hinder the transparency of the above. The mixing ratio of the glass fiber 5 in the resin is about 30 to 200% by weight.
このような構造の化粧板にあっては、その透明樹脂層
６がガラス繊維５を混入したガラス繊維強化プラスチッ
クの層となるので、樹脂層６自体の剛性が大きくなる。
このため、この透明樹脂層６の下層の木材小片分散着色
不透明樹脂層４の木材小片２…の吸排湿などによる動
き、不透明樹脂３の硬化収縮などに動きの影響が透明樹
脂層６の表面に現出することがなくなり、透明樹脂層６
の表面の微小な凹凸の発生が防止される。また、木材小
片分散着色不透明樹脂層４の表面に、木材小片２…の側
面が露出し、この露出した側面が化粧板表面と平行であ
るので、木材小片２…の持つ木目模様が最大限に化粧板
表面に現出し、木材小片添加混入の効果が向上し、小量
の混入量で最大限の美観を得ることができる。In the decorative plate having such a structure, since the transparent resin layer 6 is a layer of glass fiber reinforced plastic mixed with the glass fiber 5, the rigidity of the resin layer 6 itself is increased.
Therefore, the movement of the small wood pieces dispersed and colored opaque resin layer 4 under the transparent resin layer 6 due to moisture absorption / exhaust, etc., and the curing shrinkage of the opaque resin 3 are affected by the movement of the surface of the transparent resin layer 6. The transparent resin layer 6 does not appear
The generation of minute irregularities on the surface of the is prevented. Further, the side surface of the wood piece 2 is exposed on the surface of the wood piece dispersed and colored opaque resin layer 4, and since the exposed side surface is parallel to the surface of the decorative plate, the wood piece pattern of the wood piece 2 is maximized. It appears on the surface of the decorative plate, the effect of adding and mixing small pieces of wood is improved, and a maximum amount of aesthetics can be obtained with a small amount of mixing.
次に、この化粧板を製造する方法の一例を説明する。 Next, an example of a method of manufacturing this decorative board will be described.
まず、着色不透明樹脂３となる未硬化状態のペースト
状樹脂組成物を用意する。この樹脂組成物に木材小片を
混合し混練したのち、この混合物を平板状に成形し、ホ
ットプレスなどを使用して加熱加圧し、固化物とする。
ついで、この固化物の表面をサンダー掛けなどによって
研削し、木材小片を表面に露出させて、木材小片分散着
色不透明樹脂層４を形成する。ついで、これの表面にガ
ラス繊維５を載せたのち透明樹脂層６となる樹脂液を流
布する。ついで、この樹脂液の上にプラスチックフィル
ムを置き、このプラスチックフィルムの上からローラ等
で押圧し、樹脂液をガラス繊維５中に含浸させるととも
に残留する気泡を脱泡せしめ、かつ木材小片分散着色不
透明樹脂層４の表面に存在する微小な泡、ボイドなどに
樹脂液を流入させる。つぎに、樹脂液を硬化させてガラ
ス繊維５が混入した透明樹脂層５とし、これに基板１を
貼り合せて化粧板とする。First, an uncured pasty resin composition to be the colored opaque resin 3 is prepared. Small pieces of wood are mixed with this resin composition and kneaded, and then this mixture is molded into a flat plate shape and heated and pressed using a hot press or the like to obtain a solidified product.
Then, the surface of the solidified product is ground by sanding or the like to expose the small pieces of wood on the surface to form the colored small pieces of wood-dispersed opaque resin layer 4. Next, the glass fiber 5 is placed on the surface of the glass fiber 5 and then the resin liquid which becomes the transparent resin layer 6 is spread. Then, a plastic film is placed on this resin solution, and the glass fiber 5 is impregnated with the resin solution from above the plastic film by pressing it with a roller or the like to remove the remaining air bubbles and to disperse and disperse the small pieces of wood. The resin liquid is caused to flow into minute bubbles, voids, etc. existing on the surface of the resin layer 4. Next, the resin liquid is cured to form the transparent resin layer 5 in which the glass fibers 5 are mixed, and the substrate 1 is attached to this to form a decorative plate.
第２図は、この発明の化粧板の他の例を示すもので、
この例の化粧板はその透明樹脂層６が下層6a、中層6b、
表層6cの３層構造となっており、ガラス繊維５は下層6a
中に混入されている。このものでは、透明樹脂層６の中
層6bおよび表層6cはガラス繊維５を混入した下層6a上に
順次通常の中塗り塗装および仕上げ塗装を施すことによ
って形成することができ、仕上りの外観をより一層美麗
なものとすることができる。FIG. 2 shows another example of the decorative board of the present invention.
In the decorative board of this example, the transparent resin layer 6 has a lower layer 6a, an intermediate layer 6b,
The surface layer 6c has a three-layer structure, and the glass fiber 5 is the lower layer 6a.
It is mixed in. In this case, the middle layer 6b and the surface layer 6c of the transparent resin layer 6 can be formed by sequentially performing normal middle coating and finish coating on the lower layer 6a mixed with the glass fiber 5, so that the finished appearance can be further improved. It can be beautiful.
不飽和ポリエステル樹脂未硬化液100重量部に炭酸カ
ルシウム300重量部と黄色顔料１重量部を配合したペー
スト状の組成物を用意した。A paste-like composition was prepared by mixing 100 parts by weight of an uncured liquid of an unsaturated polyester resin with 300 parts by weight of calcium carbonate and 1 part by weight of a yellow pigment.
一方、ブナ、ナラなどを幅５〜7mm、長さ７〜12mm、
厚さ１〜1.5mmの大きさの小片に切断し、これを乾燥し
たのち不飽和ポリエステル樹脂未硬化液中に浸漬し、樹
脂液を含浸し、常温で放置して半硬化状態とした木材小
片を上記組成物に混合し、これを型に流し込みローラで
均して厚さ1.5mmの平板状に成形した。ついで、これを
室温で３時間静置したのち、ホットプレスにて圧力1MP
a、温度100℃、時間５分加熱加圧して固化物とした。こ
のものをサンダー掛けして研削し、木材小片を表面に露
出した。つぎに、これの表面に坪量50g/m2のサーフェイ
スマット（ガラス繊維）を置き、透明の不飽和ポリエス
テル樹脂未硬化液を約100g/m2流布し、この上にフッ素
樹脂フィルムを置き、この上からローラーで押圧したの
ち、温度100℃で10分間加熱して不飽和ポリエステル樹
脂を硬化させた。ついで、フッ素樹脂フィルムを剥離し
たのち、表面を軽く研磨し、不飽和ポリエステル樹脂系
塗料を塗布し、合計厚さが約200μｍのガラス繊維入り
透明樹脂層を形成した。これを厚さ2mmのラワン合板の
基板に貼り合せ化粧板とした。On the other hand, beech, oak, etc. are 5-7 mm wide and 7-12 mm long,
Wood pieces cut into pieces with a thickness of 1 to 1.5 mm, dried, immersed in an unsaturated polyester resin uncured solution, impregnated with the resin solution, and left at room temperature to become a semi-cured state. Was mixed with the above composition, poured into a mold, and leveled with a roller to form a flat plate having a thickness of 1.5 mm. Then, after leaving it at room temperature for 3 hours, press 1MP with a hot press.
a, temperature 100 ° C., heating and pressurization for 5 minutes to obtain a solidified product. This piece was sanded and ground to expose a small piece of wood on the surface. Next, a surface mat (glass fiber) having a basis weight of 50 g / m 2 is placed on the surface of this, and a transparent unsaturated polyester resin uncured liquid is spread over about 100 g / m 2 , and a fluororesin film is placed on this. After pressing with a roller from above, the unsaturated polyester resin was cured by heating at a temperature of 100 ° C. for 10 minutes. Then, the fluororesin film was peeled off, the surface was lightly polished, and an unsaturated polyester resin-based paint was applied to form a transparent resin layer containing glass fibers having a total thickness of about 200 μm. This was laminated on a lauan plywood substrate having a thickness of 2 mm to form a decorative plate.
かくして得られた化粧板は、木材小片の木目模様が表
面に現出し、表面の塗装面も平滑で美麗な外観を呈して
いた。The decorative board thus obtained had a wood grain pattern on the surface, and the coated surface had a smooth and beautiful appearance.
以上説明したように、この発明の化粧板は、多数の木
材小片を分散した着色不透明樹脂層上にガラス繊維を混
入した透明樹脂層を設けたものであるので、木材小片の
吸排湿などによる動きや着色不透明樹脂層の硬化収縮や
温度変化などによる動きが透明樹脂層表面に表われるこ
とがなく平滑な表面となり、美感の向上したものとな
る。As described above, since the decorative board of the present invention is provided with the transparent resin layer mixed with the glass fibers on the colored opaque resin layer in which a large number of small pieces of wood are dispersed, movement of the small pieces of wood due to moisture absorption / exhaust and the like. The movement due to curing shrinkage or temperature change of the colored opaque resin layer does not appear on the surface of the transparent resin layer, resulting in a smooth surface and improved aesthetics.
第１図および第２図は、いずれもこの発明の化粧板の例
を示す概略断面図である。 ２……木材小片、３……着色不透明樹脂層、 ５……ガラス繊維、６……透明樹脂層、1 and 2 are each a schematic cross-sectional view showing an example of the decorative plate of the present invention. 2 ... Wood pieces, 3 ... Colored opaque resin layer, 5 ... Glass fiber, 6 ... Transparent resin layer,
Claims (1)
層と、この着色不透明樹脂層上に設けられガラス繊維を
混入した透明樹脂層を有してなり、着色不透明樹脂層内
の木材小片がこの層の表面に露出し、かつこの表面が平
坦であることを特徴とする化粧板。1. A colored opaque resin layer having a large number of small pieces of wood dispersed therein, and a transparent resin layer provided on the colored opaque resin layer and mixed with glass fibers. A decorative board exposed on the surface of this layer and having a flat surface.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62168114A JP2535925B2 (en) | 1987-07-06 | 1987-07-06 | Veneer |
| US07/184,449 US4911969A (en) | 1986-07-09 | 1987-07-09 | Decorative sheet and method of manufacturing the same |
| PCT/JP1987/000487 WO1988000134A1 (en) | 1986-07-09 | 1987-07-09 | Decorative sheet and method of manufacturing the same |
| DE19873750087 DE3750087T2 (en) | 1986-07-09 | 1987-07-09 | DECORATIVE SHEET AND METHOD FOR PRODUCING THE SAME. |
| EP19870904555 EP0277238B1 (en) | 1986-07-09 | 1987-07-09 | Decorative sheet and method of manufacturing the same |
| KR1019880700255A KR910008764B1 (en) | 1986-07-09 | 1987-07-09 | Decorative sheet and method of manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62168114A JP2535925B2 (en) | 1987-07-06 | 1987-07-06 | Veneer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6411831A JPS6411831A (en) | 1989-01-17 |
| JP2535925B2 true JP2535925B2 (en) | 1996-09-18 |
Family
ID=15862113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62168114A Expired - Fee Related JP2535925B2 (en) | 1986-07-09 | 1987-07-06 | Veneer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2535925B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69017975T2 (en) * | 1989-07-31 | 1995-08-10 | Toyota Motor Co Ltd | Dispersion-reinforced copper-based alloy for armouring. |
-
1987
- 1987-07-06 JP JP62168114A patent/JP2535925B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6411831A (en) | 1989-01-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |