JPH07112411A - Wooden board and manufacture thereof - Google Patents
Wooden board and manufacture thereofInfo
- Publication number
- JPH07112411A JPH07112411A JP28444093A JP28444093A JPH07112411A JP H07112411 A JPH07112411 A JP H07112411A JP 28444093 A JP28444093 A JP 28444093A JP 28444093 A JP28444093 A JP 28444093A JP H07112411 A JPH07112411 A JP H07112411A
- Authority
- JP
- Japan
- Prior art keywords
- board
- adhesive
- cloth
- wood
- mat
- 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.)
- Granted
Links
Landscapes
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、木質ボード、特に表面
仕上りが良好な木質ボードの製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wood board, and more particularly to a method for manufacturing a wood board having a good surface finish.
【０００２】[0002]
【従来の技術】パーティクルボード、ストランドボー
ド、ファイバーボード等の木質ボードは、木材のチッ
プ、ストランドまたはファイバーに接着剤を付着せしめ
たものをフォーミングしてマット状にし、これを熱盤な
どの圧締プレートの間に挟んで圧締して製造しているの
で、接着剤が直接に圧締プレートに接触する。そのた
め、接着剤が圧締プレートに付着したり、成型後のボー
ドがプレートに接着するという問題が生ずる場合があ
る。このため、接着剤の含脂率は一定以上に高くはでき
ない。圧締プレートに付着しやすい接着剤は使い難く、
又、圧締プレートに対して特別に離型剤の使用が必要に
なったりしている。特に、低比重の木質ボードを製造す
る場合には、木質重量を減らすため相対的に接着剤の含
脂率が高くなり、接着剤のプレートへの付着の問題がよ
り顕著となる。BACKGROUND ART Wooden boards such as particle boards, strand boards, and fiber boards are formed by matting wood chips, strands, or fibers with an adhesive to form a mat. Since it is manufactured by sandwiching between the plates and pressing, the adhesive directly contacts the pressing plate. Therefore, the adhesive may adhere to the compression plate, or the molded board may adhere to the plate. For this reason, the oil content of the adhesive cannot be increased above a certain level. It is difficult to use adhesive that easily adheres to the compression plate,
Further, it is sometimes necessary to use a release agent specially for the pressure plate. In particular, in the case of manufacturing a wood board having a low specific gravity, since the wood weight is reduced, the oil content of the adhesive is relatively high, and the problem of the adhesion of the adhesive to the plate becomes more remarkable.
【０００３】一方、最近では、ボード生産の効率化を目
的として、蒸気噴射プレスを使う工場が増えているが、
この場合、蒸気噴射孔から直接、高圧の蒸気がマット表
面に吹き付けられるので、成形された製品ボードの表面
に孔が出来たり、圧力不均一により表面物性がばらつい
たりする欠点が問題となっている。そのため、ボードと
圧締プレートとの付着を防止するために、従来から、該
プレートに金網等を取り付ける試みがなされているが、
いずれもボードの表面に凹凸が残り、満足の行く表面仕
上りが得られていない。On the other hand, recently, the number of factories using a steam injection press is increasing for the purpose of improving the efficiency of board production.
In this case, since high-pressure steam is directly blown to the mat surface from the steam injection holes, there are problems that holes are formed on the surface of the molded product board and that the surface properties vary due to uneven pressure. . Therefore, in order to prevent the adhesion between the board and the pressing plate, it has been attempted to attach a wire mesh or the like to the plate, but
In both cases, unevenness remains on the surface of the board, and a satisfactory surface finish is not obtained.
【０００４】[0004]
【発明が解決しようとする課題】本発明の目的は、ボー
ド製造時のこうした問題点を克服し、接着剤のプレート
への付着、ボードのプレートへの接着を防止し、蒸気噴
射プレスを使用する場合にも表面の孔の発生を防止し、
仕上り表面の良好な木質ボードの製造方法を提供せんと
するものである。SUMMARY OF THE INVENTION It is an object of the present invention to overcome these problems during board manufacture, prevent adhesive from adhering to the plate and board to plate, and using a steam jet press. In the case of preventing the occurrence of holes on the surface,
An object of the present invention is to provide a method for producing a wooden board having a good finished surface.
【０００５】[0005]
【課題を解決するための手段】本発明者らは、上記の課
題を解決するために鋭意検討を重ねた結果、フォーミン
グしてマット状にした接着剤を塗布したチップ、ストラ
ンド、ファイバー等の木質素材を、圧締プレートとの間
に布を介在させて熱圧成型すると、表面仕上りの良好な
木質ボードが得られることを見いだし、本発明を完成さ
せた。すなわち、本発明は、接着剤を塗布、噴霧あるい
は含浸により付着せしめた木材チップ、フレークまたは
ファイバーをフォーミングしてマット状にしたものを、
圧締プレートとの間に布を介在させて熱圧成型すること
を特徴とするパーティクルボード、ストランドボード、
ファイバーボード等の木質ボードの製造方法である。Means for Solving the Problems As a result of intensive studies to solve the above problems, the present inventors have found that wood, such as chips, strands, fibers, etc. coated with a matting adhesive formed by forming. It was found that a wood board having a good surface finish can be obtained by subjecting a material to thermocompression molding with a cloth interposed between the material and a compression plate, and completed the present invention. That is, the present invention is a wood chip formed by applying an adhesive, adhering by spraying or impregnation, flakes or fibers formed into a mat,
A particle board, a strand board, characterized by being thermocompressed with a cloth interposed between the pressing plate and
This is a method for manufacturing wood boards such as fiber boards.
【０００６】本発明におけるもう一つの発明は、上記方
法を特徴とする製造方法により製造した木質ボードであ
る。[0006] Another invention of the present invention is a wood board manufactured by a manufacturing method characterized by the above method.
【０００７】本発明に使用する布は、通常の布で良く、
材質、織り方など、特に限定されるものではない。した
がって、織布、不織布のほか、植毛布、起毛布等種々の
ものが使用できる。本発明方法によれば成形時に接着剤
および成形ボードが布に付着することがないが、接着剤
が付着しにくいものがより好ましく、また加熱圧締する
ことから耐熱性あるものが好ましい。これらのことか
ら、非極性プラスチックを主体とする繊維でできた耐熱
性の不織布が最も効果があり、その例として、ＰＥＴ、
ナイロン等の不織布が最も好ましい。The cloth used in the present invention may be a normal cloth,
The material and weaving method are not particularly limited. Therefore, in addition to woven cloth and non-woven cloth, various materials such as flocked cloth and raised cloth can be used. According to the method of the present invention, the adhesive and the molded board do not adhere to the cloth at the time of molding, but it is more preferable that the adhesive does not easily adhere, and that it is heat resistant because it is heat-pressed. From these, a heat-resistant non-woven fabric made of fibers mainly composed of non-polar plastic is most effective.
Nonwoven fabric such as nylon is most preferred.
【０００８】本発明に使用する接着剤としては、木質ボ
ードの製造に通常使用される、ユリア樹脂、メラミン樹
脂、フェノール・メラミン樹脂、フェノール樹脂、レゾ
ルシノール樹脂またはイソシアネート樹脂などが使用で
きる。As the adhesive used in the present invention, urea resin, melamine resin, phenol-melamine resin, phenol resin, resorcinol resin, isocyanate resin or the like, which is usually used in the production of wood boards, can be used.
【０００９】本発明によれば、上記木質ボードの製造方
法において、フォーミングしてマット状にした木質素材
と圧締プレートとの間介在させた布に接着剤および成形
ボードが付着することなく良好な表面状態で成形できる
理由についての詳細は不明であるが、フォーミングして
マット状にした木質素材と圧締プレートとの間に布を介
在させることにより、加熱圧締時に接着剤ならびに木質
素材中の水分が蒸発し、布の目に水蒸気が溜まって、接
着剤の圧締プレートへの付着を阻害する離型剤の機能を
果すため、表面仕上りの良好な木質ボードを得ることが
できるものと考えられる。かかる効果は、蒸気噴射プレ
スで熱圧成型する方法によれば、蒸気の供給量が増すた
め、更に顕著に発現できる。従って、蒸気噴射プレスで
熱圧成型しても表面仕上りの良好な木質ボードを得るこ
とができる。上記のことから、布状のものであれば使用
でき、繊維質のシート状またはマット状物のほか、成形
時に水分を保持できる連続気泡性のレザー、発泡シート
も使用できる。According to the present invention, in the above-mentioned method for manufacturing a wooden board, the adhesive and the molding board do not adhere to the cloth interposed between the wooden material formed into a mat and the pressing plate, which is excellent. Although the details of the reason why it can be molded in the surface state are unknown, by interposing a cloth between the wood material that has been formed into a mat and the pressure plate, the adhesive and the wood It is thought that a wooden board with a good surface finish can be obtained because the water evaporates and the water vapor accumulates in the eyes of the cloth, which functions as a release agent that inhibits the adhesion of the adhesive to the pressure plate. To be According to the method of thermocompression molding with a steam injection press, such an effect can be more remarkably exhibited because the supply amount of steam is increased. Therefore, a wood board having a good surface finish can be obtained even if it is hot-press molded by a steam injection press. From the above, a cloth-like material can be used, and in addition to a fibrous sheet-like or mat-like material, an open-cell leather or a foamed sheet that can retain water during molding can also be used.
【００１０】本発明は、成形にあたり、非極性プラスチ
ックを主体とした繊維で作られている布を用いることに
より、木質ボードと圧締プレートとの離型性をより向上
させることができる。また、該製造方法において用いる
布として不織布を使用すると、表面の仕上りを一層良好
にすることができる。According to the present invention, the mold release property between the wood board and the pressing plate can be further improved by using a cloth made of fibers mainly composed of non-polar plastic in molding. When a non-woven fabric is used as the cloth used in the manufacturing method, the surface finish can be further improved.
【００１１】本発明では、熱圧成型時に、フォーミング
してマット状にしたチップ、ストランド、ファイバー等
の木質素材と圧締プレートとの間に布を介在させること
を最大の特徴としており、布は表面が緻密で、特に不織
布は表面が繊細かつビロード様のソフトタッチなので、
従来、離型用に使用されていた金網などよりも滑らかな
ボード表面が得られる。In the present invention, the greatest feature of the present invention is that a cloth is interposed between a wood material such as chips, strands, fibers and the like, which have been formed into a mat shape by thermoforming, and a pressing plate. The surface is dense, especially the non-woven fabric has a delicate and velvety soft touch,
Conventionally, a smoother board surface can be obtained than a wire mesh or the like used for mold release.
【００１２】一方、木質ボードの製造には接着剤として
通常、ユリア樹脂、メラミン樹脂、フェノール・メラミ
ン樹脂、フェノール樹脂、レゾルシノール樹脂またはイ
ソシアネートなどの極性物質の水溶液または懸濁液が使
用されている。そこで、本発明では非極性プラスチック
を主体とする繊維でできた耐熱性の不織布を用いること
により、接着剤が直接に圧締プレートに接触することが
少なく、従って、ボードのプレートへの接着も起こらな
くなる。蒸気噴射プレスにおいては、蒸気は布の繊維の
間からマットに吹き付けられるので、噴射孔から出る蒸
気圧の分散が図られ、ボードの表面に穴を生ずることも
なく、均質な仕上り表面となる。On the other hand, an aqueous solution or suspension of a polar substance such as a urea resin, a melamine resin, a phenol / melamine resin, a phenol resin, a resorcinol resin or an isocyanate is usually used as an adhesive in the production of a wooden board. Therefore, in the present invention, by using a heat-resistant non-woven fabric made of fibers mainly composed of non-polar plastic, the adhesive rarely comes into direct contact with the compression plate, and therefore, the adhesion of the board to the plate also occurs. Disappear. In a steam injection press, the steam is sprayed onto the mat from between the fibers of the cloth, so that the steam pressure from the injection holes is dispersed, and no holes are formed on the surface of the board, resulting in a uniform finished surface.
【００１３】さらに、本発明は、木質ボードの比重が
０．５ｇ／cm3 以下であることを特徴とする。通常の木
質ボードの比重は０．７ｇ／cm3 前後であるが、最近で
は、建築材料の軽量化の要請を受けて、比重が０．５ｇ
／cm3 以下の所謂、軽量ボードも生産されるようになっ
てきた。該軽量ボードは、比重が小さいためボード全体
の密度が不均一になりやすく、製造時にボードと圧締プ
レートとの離型が充分でなく製造上問題であった。ま
た、離型が円滑でないとボード表面が荒れてしまい、製
造されたボードの商品価値が低下するという問題があっ
た。本発明によれば、上記木質ボードの製造方法におい
て、フォーミングしてマット状にした木質素材と圧締プ
レートとの間に、布を介在させることにより、ボードと
圧締プレートと離型が容易になる。そのため、比重が
０．５ｇ／cm3 以下の所謂、軽量ボードの生産において
も、ボード表面が平滑かつ、密度が均一、緻密な製品を
仕上げることが可能である。Furthermore, the present invention is characterized in that the specific gravity of the wood board is 0.5 g / cm 3 or less. While the specific gravity of a normal wooden board is 0.7 g / cm 3 before and after, in recent years, at the request of the weight of the building material, a specific gravity of 0.5g
So-called lightweight boards below / cm 3 have also been produced. Since the lightweight board has a small specific gravity, the density of the entire board tends to be non-uniform, and the mold and the pressing plate are not sufficiently separated from each other during manufacture, which is a problem in manufacture. In addition, if the release is not smooth, the surface of the board becomes rough and the commercial value of the manufactured board is reduced. According to the present invention, in the method for manufacturing a wooden board, by interposing a cloth between the wooden material formed into a mat shape and the pressing plate, the board, the pressing plate and the mold can be easily released. Become. Therefore, even in the production of a so-called lightweight board having a specific gravity of 0.5 g / cm 3 or less, it is possible to finish a dense product having a smooth board surface and a uniform density.
【００１４】本発明で使用する木材のチップ、フレーク
またはファイバーの水分、およびこれらをフォーミング
したマット状物の水分については特に限定されないが、
必要ならば接着剤の水分等で調整してもよく、また使用
する布に予め水分を保持させておいてもよい。蒸気噴射
プレスによるときは、蒸気噴射量等で調整すれば良い。There are no particular restrictions on the water content of the wood chips, flakes or fibers used in the present invention, and the water content of the mat-like material formed from them, but
If necessary, the water content of the adhesive may be adjusted, or the cloth used may be made to retain water content in advance. When using a steam injection press, the amount of steam injection may be adjusted.
【００１５】[0015]
【実施例】以下に本発明の実施例を示すが、本発明の主
旨はもとより、これに限定されるものではない。EXAMPLES Examples of the present invention will be shown below, but the present invention is not limited to the gist of the present invention.
【００１６】実施例１．含水率３％以下に乾燥した木材
チップ１０００ｇに対し、ユリア樹脂（（株）ホーネン
コーポレーション製 ＵＢ−１０７）２００ｇ（硬化剤
として塩化アンモニウムを０．５％含有）をスプレーで
吹き付けながら塗布混合した。これを３０cm×３０cmの
マット状にした後、不織布（ＰＥＴ製）を熱盤の上下両
面に敷き、１７０℃、初期圧力２５Kg／cm3 、６分の条
件で厚さ２０mmとなる様に圧締した。接着剤の圧締プレ
ートへの付着およびボードの接着はなく、かつ、ボード
表面は平滑で、品質良好な木質ボードが得られた。ボー
ドの比重は０．６２ｇ／cm3 であった。Example 1. To 1000 g of dried wood chips having a water content of 3% or less, 200 g of urea resin (UB-107 manufactured by Honen Corporation) (containing 0.5% of ammonium chloride as a curing agent) was applied and mixed by spraying. After making this into a mat of 30 cm x 30 cm, lay a non-woven fabric (made of PET) on both upper and lower sides of the heating plate, and press it at 170 ° C, initial pressure of 25 kg / cm 3 and thickness of 20 mm under the condition of 6 minutes. did. There was no adhesion of the adhesive to the compression plate and no adhesion of the board, and the board surface was smooth, and a good quality wood board was obtained. The specific gravity of the board was 0.62 g / cm 3 .
【００１７】実施例２．含水率３％以下に乾燥した木材
チップ７５０ｇに対し、フェノール・メラミン樹脂
（（株）ホーネンコーポレーション製 ＰＬ−１６０）
１８０ｇ（硬化剤として塩化アンモニウムを０．５％含
有）をスプレーで吹き付けながら塗布混合した。これを
３０cm×３０cmのマット状にした後、不織布（ナイロン
製）を熱盤の上下両面に敷き、１７０℃、初期圧力２０
Kg／cm3 、７分の条件で厚さ２０mmとなる様に圧締し
た。接着剤の圧締プレートへの付着およびボードの接着
はなく、かつ、ボード表面は平滑で、品質良好な木質ボ
ードが得られた。ボードの比重は０．４７ｇ／cm3 であ
った。Example 2. Phenol-melamine resin (PL-160 manufactured by Honen Corporation) against 750 g of wood chips dried to a water content of 3% or less
180 g (containing 0.5% of ammonium chloride as a curing agent) was applied and mixed while spraying. After making this into a mat of 30 cm x 30 cm, lay a non-woven fabric (made of nylon) on both upper and lower sides of the heating plate, 170 ℃, initial pressure 20
It was clamped to a thickness of 20 mm under the condition of Kg / cm 3 for 7 minutes. There was no adhesion of the adhesive to the compression plate and no adhesion of the board, and the board surface was smooth, and a good quality wood board was obtained. The specific gravity of the board was 0.47 g / cm 3 .
【００１８】実施例３．含水率３％以下に乾燥した木材
チップ４００ｇを内層用、木材ファインチップ４００ｇ
を表層用とし、メラミン・ユリア樹脂（（株）ホーネン
コーポレーション製 ＭＬ−０３７）（硬化剤として塩
化アンモニウムを０．５％含有）を内層用に８０ｇ、表
層用に１００ｇ、スプレーで吹き付けながら塗布混合し
た。これを３０cm×３０cmのマット状にした後、綿布を
熱盤の上下両面に敷き、圧力４ｂａｒの蒸気を１０秒間
噴射、初期圧力２５Kg／cm3 で厚さ２０mmとなる様に圧
締した。接着剤の圧締プレートへの付着およびボードの
接着はなく、かつ、ボード表面は平滑で、品質良好な木
質ボードが得られた。ボードの比重は０．５ｇ／cm3 で
あった。Example 3. 400 g of wood chips dried to a water content of 3% or less for the inner layer, wood fine chips 400 g
For the surface layer, and 80 g for the inner layer of melamine-urea resin (ML-037 manufactured by Honen Corporation) (containing 0.5% ammonium chloride as a curing agent) for the inner layer, 100 g for the surface layer, and spray mixing with a spray. did. This was made into a mat of 30 cm x 30 cm, and then cotton cloth was laid on both upper and lower surfaces of the hot platen, and steam having a pressure of 4 bar was sprayed for 10 seconds, and pressed at an initial pressure of 25 kg / cm 3 to a thickness of 20 mm. There was no adhesion of the adhesive to the compression plate and no adhesion of the board, and the board surface was smooth, and a good quality wood board was obtained. The specific gravity of the board was 0.5 g / cm 3 .
【００１９】比較例１．実施例１と同様にして造ったマ
ットに金網に被せて、熱圧プレート間で熱圧した。熱圧
条件は、実施例１と同様とした。ボードの圧締プレート
への接着はなかったが、ボード表面への接着剤の付着が
多かった。比較例２．実施例２と同様にして造ったマッ
トを不織布なしで同じ熱圧条件で成型した。熱圧終了
後、ボードが圧締プレートに接着し、分離が困難であっ
た。Comparative Example 1. The mat produced in the same manner as in Example 1 was covered with a wire mesh and hot pressed between the hot pressing plates. The hot pressing conditions were the same as in Example 1. There was no adhesion of the board to the compression plate, but there was a large amount of adhesion of the adhesive to the board surface. Comparative example 2. The mat produced in the same manner as in Example 2 was molded under the same heat and pressure condition without using the nonwoven fabric. After the completion of hot pressing, the board adhered to the pressing plate and was difficult to separate.
【００２０】比較例３．実施例３と同様にして造ったマ
ットを不織布なしで、蒸気噴射により、同じ熱圧条件で
成型した。ボード表面に尖孔が生じ、また表面が不均一
に仕上がった。さらに、成型後、室温で７日間放置した
ところ、厚さムラが生じた。Comparative Example 3. The mat produced in the same manner as in Example 3 was molded under the same heat and pressure condition by steam injection without using a non-woven fabric. The board surface had sharp holes and the surface was unevenly finished. Furthermore, after molding, it was left to stand at room temperature for 7 days, resulting in uneven thickness.
【００２１】[0021]
【発明の効果】木質ボードの製造時に、圧締プレートと
フォーミングしたマットとの間に布、特に非極性プラス
チックを主体とした繊維で造られている布を介在させる
と、木質ボードと圧締プレートとの離型性が向上するの
みならず、ボードの仕上り表面が平滑で品質良好な木質
ボードが得られる。特に軽量ボード製造に著しい効果が
ある。When a wooden board is manufactured, a cloth, particularly a cloth made of fibers mainly composed of non-polar plastic, is interposed between the pressing plate and the formed mat. In addition to improving the releasability from and, it is possible to obtain a wood board with a smooth finished surface and good quality. Especially, it has a remarkable effect on the production of lightweight boards.
Claims (10)
レークまたはファイバーをフォーミングしてマット状に
したものを、圧締プレートとの間に布を介在させて熱圧
成型することを特徴とするパーティクルボード、ストラ
ンドボード、ファイバーボード等の木質ボードの製造方
法。1. A wood chip, flakes or fibers to which an adhesive has been applied is formed into a mat-like shape, which is then thermocompression-molded with a cloth interposed between the compression plate. Manufacturing method of wood board such as particle board, strand board and fiber board.
維で造られていることを特徴とする請求項第１項記載の
木質ボードの製造方法。2. The method for manufacturing a wood board according to claim 1, wherein the cloth is made of fibers mainly composed of non-polar plastic.
２項記載の木質ボードの製造方法。3. The method for manufacturing a wood board according to claim 1, wherein the cloth is a non-woven fabric.
ことを特徴とする請求項第１〜３項のいづれか１項記載
の木質ボードの製造方法。4. The method for manufacturing a wood board according to claim 1, wherein the hot press molding is performed using a steam injection press.
であることを特徴とする請求項第１〜４項のいづれか１
項記載の木質ボードの製造方法。5. The wooden board according to claim 1, wherein the specific gravity of the wooden board is 0.5 g / cm 3 or less.
A method for manufacturing a wooden board according to the item.
レークまたはファイバーをフォーミングしてマット状に
したものを、圧締プレートとの間に布を介在させて熱圧
成型してなる木質ボード。6. A wood board formed by thermoforming a wood chip, flakes or fibers formed with an adhesive to form a mat-like material, with a cloth interposed between the wood and a pressing plate.
維で造られていることを特徴とする請求項第６項記載の
木質ボード。7. The wood board according to claim 6, wherein the cloth is made of fibers mainly composed of non-polar plastic.
７項記載の木質ボード。8. The wood board according to claim 6 or 7, wherein the cloth is a non-woven fabric.
ことを特徴とする請求項第６〜８項のいづれか１項記載
の木質ボード。9. The wood board according to any one of claims 6 to 8, which is subjected to thermocompression molding using a steam injection press.
下であることを特徴とする請求項第６〜９項のいづれか
１項記載の木質ボード。10. The wooden board according to claim 6, wherein the specific gravity of the wooden board is 0.5 g / cm 3 or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28444093A JP2890233B2 (en) | 1993-10-19 | 1993-10-19 | Wood board and method of manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28444093A JP2890233B2 (en) | 1993-10-19 | 1993-10-19 | Wood board and method of manufacturing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07112411A true JPH07112411A (en) | 1995-05-02 |
| JP2890233B2 JP2890233B2 (en) | 1999-05-10 |
Family
ID=17678578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28444093A Expired - Fee Related JP2890233B2 (en) | 1993-10-19 | 1993-10-19 | Wood board and method of manufacturing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2890233B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008512284A (en) * | 2004-09-10 | 2008-04-24 | ジョンズ マンヴィル | Method for manufacturing laminate products |
| JP2008173810A (en) * | 2007-01-17 | 2008-07-31 | Matsushita Electric Works Ltd | Method for producing functional particle board |
| US7781052B2 (en) | 2004-05-31 | 2010-08-24 | Sumitomo Forestry Co., Ltd. | Method for making particle board |
| JP2015061770A (en) * | 2014-12-19 | 2015-04-02 | 株式会社ノダ | Method for manufacturing wood fiber board |
-
1993
- 1993-10-19 JP JP28444093A patent/JP2890233B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7781052B2 (en) | 2004-05-31 | 2010-08-24 | Sumitomo Forestry Co., Ltd. | Method for making particle board |
| JP2008512284A (en) * | 2004-09-10 | 2008-04-24 | ジョンズ マンヴィル | Method for manufacturing laminate products |
| JP2008173810A (en) * | 2007-01-17 | 2008-07-31 | Matsushita Electric Works Ltd | Method for producing functional particle board |
| JP2015061770A (en) * | 2014-12-19 | 2015-04-02 | 株式会社ノダ | Method for manufacturing wood fiber board |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2890233B2 (en) | 1999-05-10 |
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