JPH08197507A - High-strength bamboo plywood and production thereof - Google Patents
High-strength bamboo plywood and production thereofInfo
- Publication number
- JPH08197507A JPH08197507A JP7210459A JP21045995A JPH08197507A JP H08197507 A JPH08197507 A JP H08197507A JP 7210459 A JP7210459 A JP 7210459A JP 21045995 A JP21045995 A JP 21045995A JP H08197507 A JPH08197507 A JP H08197507A
- Authority
- JP
- Japan
- Prior art keywords
- bamboo
- veneer
- strong
- plywood
- approximately
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
- B27J1/00—Mechanical working of cane or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/02—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
- B27J1/00—Mechanical working of cane or the like
- B27J1/003—Joining the cane side by side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Veneer Processing And Manufacture Of Plywood (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、強力竹合板及び
その製造方法に関係しており、特にコンテナ用底板に適
用されるのに適した強力竹合板及びその製造方法に関係
している。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a strong bamboo plywood and a manufacturing method thereof, and more particularly to a strong bamboo plywood suitable for being applied to a container bottom plate and a manufacturing method thereof.
【０００２】[0002]
【従来の技術】従来のコンテナ用底板は特に剪断強さを
厳しく要求するので、物理的特性や力学的特性を考慮し
て寒帯または熱帯の堅木から形成された板材あるいは積
層材が使用されている。しかしこれらの堅木は成長期間
が長く近年では過剰伐採により資源が枯渇しつつあり、
コンテナ用底板の供給が不足し価格が上昇して来てい
る。2. Description of the Related Art Conventional bottom plates for containers are particularly strict in terms of shear strength. Therefore, in consideration of physical properties and mechanical properties, plate materials or laminated materials formed from hardwood in the boreal zone or tropical zone are used. There is. However, these hardwoods have a long growing period and in recent years resources have been depleted due to excessive logging,
The supply of container bottom plates is insufficient and prices are rising.
【０００３】このため寒帯または熱帯の堅木に代わる材
料からコンテナ用底板を製造することが現在望まれてい
る。For this reason, it is currently desired to manufacture bottom plates for containers from materials that replace hardwood in the boreal or tropical zones.
【０００４】竹材の応用範囲を拡大して木の代わりに木
よりも成長の早い竹を使用することは、木材資源の枯渇
を緩和させ生態環境を改善する為の有効な技術である。Expanding the range of application of bamboo materials and using bamboo which grows faster than trees instead of trees is an effective technique for alleviating depletion of wood resources and improving the ecological environment.
【０００５】[0005]
【発明が解決しようとする課題】現在、例えば中国特許
出願公報 ＣＮ１００３６８Ａ から知られている竹合
板の製造方法では、竹材が軟化された後に平坦化される
ことにより竹合板が形成される。しかしながら、ここに
おいては平坦化の為に竹材に圧力が負荷されることによ
り竹合板に割れ目が生じていて、この割れ目が接着強度
に影響を及ぼしている。また、竹材の部位を考慮するこ
となく密度の異なる竹材の種々の部位を無秩序に組み合
わせているので、竹合板の厚さが均一にならない。さら
には、竹材を軟化させた後に平坦化する為に必要な製造
工程が長く、エネルギーの消費が大きく、製造コストも
高い。At present, for example, in the method for manufacturing a bamboo plywood known from Chinese Patent Application Publication CN100368A, the bamboo plywood is formed by softening and then flattening the bamboo material. However, here, a pressure is applied to the bamboo material for flattening, whereby cracks are formed in the bamboo plywood, and the cracks affect the adhesive strength. Further, since the various parts of the bamboo material having different densities are randomly combined without considering the parts of the bamboo material, the thickness of the bamboo plywood is not uniform. Furthermore, the manufacturing process required for softening and flattening the bamboo material is long, consumes a large amount of energy, and is expensive to manufacture.
【０００６】また中国実用新案登録出願公報 ＣＮ２１
６１４４３Ｙ から知られているコンテナ用底板の為の
竹合板の製造方法では、竹材の内側部から所定の幅と厚
さとを有して形成された竹整形部材に接着剤を浸して加
熱乾燥させた後に複数の竹整形部材を側方に相互に隣接
させて竹単板層を構成し、このような竹単板層の複数を
夫々の層における竹整形部材の延出方向が相互に交差す
るよう型内で積層させ、最後に加圧して竹合板が形成さ
れている。この製造方法では、工程の大部分が手動によ
り行われ、加工時間が長く、生産性が低い。また、竹合
板毎の厚さの差が大きいばかりでなく複数の竹単板層間
や複数の竹整形部材間に大きな隙間が生じやすくて複数
の竹単板層間や複数の竹整形部材間の強度が不安定で、
品質が不安定であり、また竹材料の利用効率も低い。[0006] Also, Chinese Utility Model Registration Application Publication CN21
In the method for manufacturing a bamboo plywood for a bottom plate for a container known from 61443Y, an adhesive is dipped in a bamboo shaping member formed with a predetermined width and thickness from the inner side of the bamboo material and dried by heating. Later, a plurality of bamboo shaping members are laterally adjacent to each other to form a bamboo veneer layer, and a plurality of such bamboo veneer layers are arranged so that the extending directions of the bamboo shaping members in each layer intersect with each other. Bamboo plywood is formed by stacking in a mold and finally pressing. In this manufacturing method, most of the steps are performed manually, the processing time is long, and the productivity is low. In addition, not only the difference in thickness between bamboo plywood is large, but also a large gap is likely to occur between multiple bamboo veneer layers or between multiple bamboo shaping members, resulting in strength between multiple bamboo veneer layers or multiple bamboo shaping members. Is unstable,
The quality is unstable and the utilization efficiency of bamboo materials is low.
【０００７】この発明は上記事情の下でなされ、この発
明の目的は、竹合板毎の厚さの差が小さく、前後方向と
左右方向における強度の差異が小さく、自動製造が容易
であり、品質も安定していてしかも製造に要するエネル
ギーやコストも小さい、強力竹合板及びその製造方法を
提供することであり、特にコンテナ用底板に適用される
のに適した強力竹合板及びその製造方法を提供すること
である。The present invention has been made under the above circumstances, and an object of the present invention is that the difference in thickness between bamboo plywoods is small, the difference in strength in the front-rear direction and the left-right direction is small, and automatic manufacturing is easy, To provide a strong bamboo plywood and a method for manufacturing the same, which is stable and requires less energy and cost for manufacturing. Particularly, a strong bamboo plywood suitable for being applied to a bottom plate for a container and a method for manufacturing the same are provided. It is to be.
【０００８】[0008]
【課題を解決するための手段】上述したこの発明の目的
を達成するために、この発明に従った強力竹合板は：層
状の表面構成部，芯構成部，そして底面構成部を備えて
おり；表面構成部と底面構成部とは芯構成部を挟んだ状
態で積層されて防水接着剤により接着固定されており；
表面構成部と底面構成部の夫々は、相互に同じ幅と厚み
とを有した複数の竹整形部材を相互に組み合わせて形成
された少なくとも１層の竹単板により構成されており；
芯構成部は、夫々の層に含まれる複数の竹整形部材の延
出方向を相互に交差させるよう配置させた状態で防水接
着剤により相互に接着された少なくとも２層の竹単板を
備えており；上記竹整形部材は、輪切りにされた竹材料
を竹材料の繊維の延出方向に沿い複数に分割して形成さ
れた複数の竹片の夫々を略１５ｍｍ乃至略３０ｍｍの範
囲内の所定の幅と略１ｍｍ乃至略５ｍｍの範囲内の所定
の厚さとを有するよう整形加工することにより形成され
ていて；表面構成部と底面構成部の夫々の外表面には塗
料が塗布されている；ことを特徴としている。In order to achieve the above-mentioned objects of the invention, a strong bamboo plywood according to the invention comprises: a layered surface feature, a core feature, and a bottom feature; The surface forming part and the bottom forming part are laminated with the core forming part sandwiched therebetween, and are bonded and fixed by a waterproof adhesive;
Each of the front surface forming portion and the bottom surface forming portion is composed of at least one layer of bamboo veneer formed by combining a plurality of bamboo shaping members having the same width and thickness with each other;
The core component comprises at least two layers of bamboo veneer bonded to each other with a waterproof adhesive in a state in which the extending directions of the plurality of bamboo shaping members included in the respective layers are arranged to intersect each other. The bamboo shaping member includes a plurality of bamboo pieces formed by dividing the bamboo material into a plurality of pieces along the extending direction of the fibers of the bamboo material, each having a predetermined size within a range of approximately 15 mm to approximately 30 mm. And a predetermined thickness within the range of about 1 mm to about 5 mm; and a coating material is applied to the outer surface of each of the surface forming portion and the bottom forming portion. It is characterized by that.
【０００９】そして、このように構成されたことを特徴
とするこの発明に従った強力竹合板では、表面構成部と
底面構成部の夫々における竹単板の複数の竹整形部材の
夫々は上記竹片における上記竹材料の厚さ方向の外側部
と内側部とに挟まれた中間部のみを使用して形成されて
いる、ことが好ましい。In the strong bamboo plywood according to the present invention having the above-mentioned structure, the plurality of bamboo shaping members of the bamboo veneer in each of the surface forming portion and the bottom forming portion are made of the above-mentioned bamboo. It is preferable that the piece is formed by using only an intermediate portion sandwiched between an outer side portion and an inner side portion in the thickness direction of the bamboo material.
【００１０】そしてさらに、竹単板の複数の竹整形部材
は合成樹脂糸または接着テープにより相互に連結されて
いる、ことが好ましい。Further, it is preferable that the plurality of bamboo shaping members of the bamboo veneer are connected to each other by a synthetic resin thread or an adhesive tape.
【００１１】また表面構成部と底面構成部の夫々は少な
くとも、熱圧縮されているか、または外表面に略０．６
ｍｍ乃至略１．２ｍｍの厚さの堅木板が配置されてい
る、ことが好ましい。Further, at least each of the surface forming portion and the bottom surface forming portion is heat-compressed or has an outer surface of approximately 0.6.
Preferably, a hardwood board having a thickness of mm to approximately 1.2 mm is arranged.
【００１２】表面構成部と底面構成部の夫々の外表面に
塗布される塗料はフェノール樹脂またはガラス繊維強化
プラスチック樹脂を含む、ことが好ましい。It is preferable that the coating material applied to the outer surface of each of the surface forming portion and the bottom forming portion contains a phenol resin or a glass fiber reinforced plastic resin.
【００１３】芯構成部は竹屑または他の植物繊維を固め
ることにより構成された板を備えていることが出来る。The core component can include a plate constructed by solidifying bamboo waste or other vegetable fibers.
【００１４】上記防水接着剤はフェノール樹脂接着剤ま
たはクロロプレンゴム樹脂を含む、ことが好ましく、こ
の場合にはさらに上記防水接着剤がホキシム（ＰＨＯＸ
ＩＭ）を有した防腐剤を含んでおり、防腐剤のホキシム
の残量は略０．７ｋｇ／ｍ3以上であることがさらに好
ましい。It is preferable that the waterproof adhesive contains a phenol resin adhesive or a chloroprene rubber resin, and in this case, the waterproof adhesive further contains a PHOXIM (PHOX).
It is more preferable that the preservative having IM) is contained, and that the remaining amount of the preservative, that is, oxime, is approximately 0.7 kg / m 3 or more.
【００１５】防腐剤としては、BASILEUM,RADALEUM,また
はRADATHIOM ( QINGDAO JINWEI産業株式会社または QIN
GDAO JINYUAN 株式会社が製造）を使用することが出来
る。As preservatives, BASILEUM, RADALEUM, or RADATHIOM (QINGDAO JINWEI Sangyo Co., Ltd. or QIN
Manufactured by GDAO JINYUAN Co., Ltd.) can be used.
【００１６】上述した如く構成されたことを特徴とする
この発明に従った強力竹合板の製造方法は：竹材料から
複数の竹整形部材を形成する竹整形部材形成工程と、複
数の竹整形部材を乾燥させた後に相互に組み合わせて竹
単板を形成する竹単板形成工程と、竹単板を加熱圧縮す
ることにより強力竹合板を製造する竹単板加熱圧縮工程
と、を備えており；竹整形部材形成工程では、竹材料が
輪切りにされ、輪切りにされた竹材料は竹材料の繊維の
延出方向に沿い複数に分割されて複数の竹片が形成さ
れ、複数の竹片の夫々は略１５ｍｍ乃至略３０ｍｍの範
囲内の所定の幅と略１ｍｍ乃至略５ｍｍの範囲内の所定
の厚さとを有するよう整形加工されて竹整形部材に形成
され；竹単板加熱圧縮工程では、竹単板が乾燥された後
に竹単板の表面に接着剤が塗布され、次には含水率が略
１２％になるまで乾燥され、さらに次には複数の竹単板
が夫々の竹単板における複数の竹整形部材の竹材料の繊
維の延出方向が相互に交差するよう組み合わされた後に
略摂氏１４０度乃至略摂氏１７０度の範囲内の温度及び
略２０Ｋｇ／ｃｍ2 の圧力の下で圧縮比率が略１：１．
１５乃至略１：１．５の範囲となるよう加熱圧縮されて
強力竹合板が製造される；ことを特徴としている。A method of manufacturing a strong bamboo plywood according to the present invention, which is characterized as described above, includes: a bamboo shaping member forming step of forming a plurality of bamboo shaping members from a bamboo material, and a plurality of bamboo shaping members. And a bamboo veneer forming step of forming a bamboo veneer by combining them with each other after drying, and a bamboo veneer heat-pressing step of manufacturing a strong bamboo plywood by heating and compressing the bamboo veneer; In the bamboo shaping member forming process, the bamboo material is sliced into multiple pieces, and the sliced bamboo material is divided into a plurality of pieces along the extending direction of the fibers of the bamboo material to form a plurality of bamboo pieces. Is shaped into a bamboo shaping member having a predetermined width within a range of approximately 15 mm to approximately 30 mm and a predetermined thickness within a range of approximately 1 mm to approximately 5 mm, and is formed into a bamboo shaping member; After the veneer has dried, it is contacted with the surface of the bamboo veneer. The agent is applied, then dried until the water content becomes approximately 12%, and then the plurality of bamboo veneers are extended in the direction in which the fibers of the bamboo material of the plurality of bamboo shaping members in each bamboo veneer are extended. After being combined to intersect with each other, the compression ratio is about 1: 1. Under a temperature in the range of about 140 ° C. to about 170 ° C. and a pressure of about 20 Kg / cm 2 .
A strong bamboo plywood is manufactured by being heated and compressed in the range of 15 to approximately 1: 1.5;
【００１７】なお竹単板加熱圧縮工程において竹単板の
表面に接着剤が塗布される前に竹単板が乾燥される時に
は、竹単板は略１２％乃至略１８％の範囲に乾燥される
ことが好ましい。When the bamboo veneer is dried before the adhesive is applied to the surface of the bamboo veneer in the heating and compressing step of the bamboo veneer, the bamboo veneer is dried in the range of about 12% to about 18%. Preferably.
【００１８】そしてこのように構成されたことを特徴と
するこの発明に従った強力竹合板の製造方法における竹
整形部材形成工程では、複数の竹整形部材の夫々は上記
竹片における上記竹材料の厚さ方向の外側部と内側部と
に挟まれた中間部のみを使用して略１ｍｍ乃至略５ｍｍ
の範囲内の同じ厚さに形成されている、ことが好まし
い。In the bamboo shaping member forming step in the method for manufacturing a strong bamboo plywood according to the present invention, which is characterized in that described above, each of the plurality of bamboo shaping members is made of the bamboo material in the bamboo piece. Approximately 1 mm to approximately 5 mm using only the intermediate portion sandwiched between the outer side portion and the inner side portion in the thickness direction
It is preferable that they are formed to have the same thickness within the range.
【００１９】竹整形部材形成工程では、竹片の外表面と
内表面における節に対応する突起を含む竹片の外側部及
び内側部が取り除かれる、ことが好ましい。In the step of forming the bamboo shaping member, it is preferable that the outer and inner portions of the bamboo piece including the protrusions corresponding to the nodes on the outer surface and the inner surface of the bamboo piece are removed.
【００２０】竹単板形成工程では、乾燥された後の複数
の竹整形部材は、相互に組み合わされて竹単板を形成す
る前に、合成樹脂糸または接着テープにより相互に連結
される、ことが好ましい。In the bamboo veneer forming step, the plurality of dried bamboo shaping members are connected to each other by a synthetic resin thread or an adhesive tape before being combined with each other to form a bamboo veneer. Is preferred.
【００２１】上記接着剤は防水接着剤であることが好ま
しく、上記接着剤には略３．５Ｋｇ／ｍ3 の割合でホキ
シム（ＰＨＯＸＩＭ）を有した防腐剤が混ぜ合わされて
いて、防腐剤のホキシムの残量は略０．７ｋｇ／ｍ3 以
上であることが好ましい。The above adhesive is preferably a waterproof adhesive, and the above adhesive is mixed with an antiseptic having PHOXIM at a rate of approximately 3.5 kg / m 3 , and the antiseptic It is preferable that the remaining amount is about 0.7 kg / m 3 or more.
【００２２】竹単板加熱圧縮工程では、竹単板が乾燥さ
れた後に竹単板の表面に塗布される接着剤は、竹単板の
片面のみに塗布する場合には、その塗布量は略８０Ｋｇ
／ｍ3 乃至略１００Ｋｇ／ｍ3 の範囲内であることが好
ましく、竹単板の両面に塗布する場合には、その塗布量
は略１１０Ｋｇ／ｍ3 乃至略１４０Ｋｇ／ｍ3 の範囲内
であることが好ましい。In the bamboo veneer heating and compressing step, the adhesive applied to the surface of the bamboo veneer after the bamboo veneer has been dried has a coating amount of approximately 100% when applied to only one side of the bamboo veneer. 80 kg
/ M 3 to about 100 Kg / m 3 is preferable, and when applied on both sides of a bamboo veneer, the coating amount is about 110 Kg / m 3 to about 140 Kg / m 3. It is preferable.
【００２３】以下、この発明の強力竹合板及びその製造
方法の実施の形態について添付の図面を参照しながら詳
細に説明する。Embodiments of the strong bamboo plywood and the manufacturing method thereof according to the present invention will be described in detail below with reference to the accompanying drawings.
【００２４】[0024]
【発明の実施の形態】この発明の強力竹合板の１つの実
施の形態は、層状の表面構成部，芯構成部，そして底面
構成部を備えており、その製造方法の１つの実施の形態
は次のようである。竹材料を竹切断機械により径方向に
切断する。→切断した竹材料を厳格に竹材料の部位別に
仕分ける。→切断され仕分けられた竹材料を竹割り機械
により竹材料の繊維の延出方向に沿い複数に分割して複
数の竹片を形成する。→複数の竹片の夫々を竹スライス
機械によりスライスして竹材料の厚さ方向の内側部，外
側部，そして中間部を分離した後、中間部を竹整形機械
により所定の幅と所定の厚さとを有するよう整形加工し
て竹整形部材を形成する。→相互に同じ幅と厚さとを有
した複数の竹整形部材を竹連結機械により相互に組み合
わせて１層の竹単板を形成する。→竹単板を乾燥機械に
より含水率が略１２％乃至略１８％の範囲内まで乾燥さ
せる。→乾燥された竹単板の表面に防水接着剤を塗布す
る。→防水接着剤が塗布された竹単板を含水率が略１２
％となるまで乾燥させる。→複数の竹単板を夫々の竹単
板における複数の竹整形部材の竹材料の繊維の延出方向
が相互に交差するよう組み合わせる。→組み合わされた
複数の竹単板を加熱圧縮して強力竹合板を成形する。BEST MODE FOR CARRYING OUT THE INVENTION One embodiment of the strong bamboo plywood of the present invention comprises a layered surface constituting portion, a core constituting portion, and a bottom constituting portion, and one embodiment of a manufacturing method thereof is It looks like this: The bamboo material is cut radially by a bamboo cutting machine. → Strictly sort the cut bamboo material according to the part of the bamboo material. → Bamboo material that has been cut and sorted is divided into multiple pieces by the bamboo splitting machine along the direction in which the fibers of the bamboo material are extended to form multiple bamboo pieces. → After slicing each of a plurality of bamboo pieces with a bamboo slicing machine to separate the inner part, the outer part, and the middle part of the bamboo material in the thickness direction, the middle part has a predetermined width and a predetermined thickness by a bamboo shaping machine. The bamboo shaping member is formed by shaping so as to have a tongue. → A plurality of bamboo shaping members having the same width and thickness are mutually combined by a bamboo connecting machine to form a single layer of bamboo veneer. → Dry the bamboo veneer with a drying machine to a water content within the range of approximately 12% to approximately 18%. → Apply waterproof adhesive to the surface of dried bamboo veneer. → Water content of bamboo veneer coated with waterproof adhesive is about 12
Dry to%. → Combine a plurality of bamboo veneers so that the extending directions of the fibers of the bamboo material of the plurality of bamboo shaping members in each bamboo veneer intersect with each other. → Heat and compress the combined bamboo veneer to form a strong bamboo plywood.
【００２５】竹材料から１層の竹単板が完成されるまで
の工程を図１乃至図６を参照しながら詳細に説明する
と、まず最初に図１に示す如く竹材料１０を所定の長さ
となるよう図示しない公知の竹切断機械により径方向に
切断する。切断された竹材料１２は、竹材料１２から分
割され整形されて竹単板の材料となる複数の竹整形部材
の強度を均一にする為に、厳格に竹材料１０の部位別に
仕分けられる。The process from the bamboo material to the completion of one layer of bamboo veneer will be described in detail with reference to FIGS. 1 to 6. First, as shown in FIG. It is cut in the radial direction by a known bamboo cutting machine (not shown). The cut bamboo material 12 is rigorously classified according to the part of the bamboo material 10 in order to make the strength of the plurality of bamboo shaping members which are divided from the bamboo material 12 and shaped to be a material of the bamboo veneer uniform.
【００２６】切断され仕分けられた竹材料１２を図示し
ない公知の竹割り機械により竹材料１０の繊維の延出方
向に沿い複数に分割して図２に示す如き略１５ｍｍ乃至
略３０ｍｍの範囲内の所定の幅を有した複数の竹片１４
を形成する。The cut and sorted bamboo material 12 is divided into a plurality of pieces along the extending direction of the fibers of the bamboo material 10 by a known bamboo splitting machine (not shown) so as to be within a range of about 15 mm to about 30 mm as shown in FIG. A plurality of bamboo pieces 14 having a predetermined width
To form.
【００２７】竹材料１０は竹材料の厚さ方向において組
織と力学的性能とにより図３に示す如く外側部１０ａ，
内側部１０ｂ，そして中間部１０ｃに区分することが出
来る。The bamboo material 10 has an outer portion 10a, as shown in FIG. 3, due to its structure and mechanical performance in the thickness direction of the bamboo material.
It can be divided into an inner part 10b and an intermediate part 10c.
【００２８】外側部１０ａは密度が大きくて堅く、内側
部１０ｂは密度が小さくて柔らかく、そして中間部１０
ｃの密度及び堅さは外側部１０ａの密度及び堅さと内側
部１０ｂの密度及び堅さとの中間であるとともに全体と
して密度の均一性が高く全体として力学的性能（即ち強
度）の均一性が高い。The outer portion 10a is dense and rigid, the inner portion 10b is small and soft, and the middle portion 10 is
The density and hardness of c are intermediate between the density and hardness of the outer portion 10a and the density and hardness of the inner portion 10b, and the density is uniform as a whole and the mechanical performance (ie strength) is uniform. .
【００２９】竹材料１２から分割され整形されて竹単板
の材料となる複数の竹整形部材の強度を均一にする為
に、上述した如く厳格に竹材料１０の部位別に仕分ける
ほかに、図４に示す如く複数の竹片１４の夫々を図示し
ない竹スライス機械によりスライスして竹材料１０の厚
さ方向の外側部１０ａ，内側部１０ｂ，そして中間部１
０ｃを分離する。そして竹片１４の外表面と内表面にお
ける節に対応する突起を含む竹片の外側部１０ａ及び内
側部１０ｂは取り除かれるなお外側部１０ａは竹細工に
利用することが出来、密度が小さくて柔らかく力学的性
能が低い内側部１０ｂは本願の発明の強力竹合板の製造
には使用しないが本願の発明の強力竹合板の製造方法と
は別の製造方法に従って本願の発明の強力竹合板とは別
の竹合板を製造する為に利用することが出来る。In order to make the strength of a plurality of bamboo shaping members which are divided and shaped from the bamboo material 12 to be a material of a single veneer plate, the bamboo material 10 is strictly sorted as described above, as shown in FIG. As shown in FIG. 1, each of the plurality of bamboo pieces 14 is sliced by a bamboo slicing machine (not shown) to form an outer portion 10a, an inner portion 10b, and an intermediate portion 1 in the thickness direction of the bamboo material 10.
Separate 0c. The outer part 10a and the inner part 10b of the bamboo piece including the protrusions corresponding to the nodes on the outer surface and the inner surface of the bamboo piece 14 are removed. The outer part 10a can be used for bamboo work and has a small density and is soft and dynamic. The inner portion 10b having low dynamic performance is not used for manufacturing the strong bamboo plywood of the present invention, but is different from the strong bamboo plywood of the present invention according to a manufacturing method different from the manufacturing method of the strong bamboo plywood of the present invention. It can be used to manufacture bamboo plywood.
【００３０】複数の竹片１４の夫々から分離された中間
部１０ｃは、図５に示す如く竹整形機械１６により略１
５ｍｍ乃至略３０ｍｍの範囲内の所定の幅と略１ｍｍ乃
至略５ｍｍの範囲内の所定の厚さとを有するよう整形加
工されることにより竹整形部材２０に形成される。The intermediate portion 10c separated from each of the plurality of bamboo pieces 14 is approximately 1 by the bamboo shaping machine 16 as shown in FIG.
The bamboo shaping member 20 is formed by being shaped so as to have a predetermined width within the range of 5 mm to about 30 mm and a predetermined thickness within the range of about 1 mm to about 5 mm.
【００３１】このようにして複数の竹片１４の中間部１
０ｃを整形加工することにより得られた複数の竹整形部
材２０は、相互に同じ幅と厚さと強度とを有していて規
格化されている。In this way, the middle portion 1 of the plurality of bamboo pieces 14
The plurality of bamboo shaping members 20 obtained by shaping 0c have the same width, thickness, and strength, and are standardized.
【００３２】規格化された複数の竹整形部材２０は、図
６に示す如く図示しない竹連結機械により例えばナイロ
ン糸の如き合成樹脂糸２２を使用して相互に組み合わさ
れて１層の竹単板２４が形成される。なお規格化された
複数の竹整形部材２０は、図示しない接着テープを使用
した図示しない竹連結機械によっても相互に組み合わさ
れて１層の竹単板２４に形成されることが出来る。A plurality of standardized bamboo shaping members 20 are combined with each other using a synthetic resin yarn 22 such as nylon yarn by a bamboo connecting machine (not shown) as shown in FIG. 24 is formed. The standardized plurality of bamboo shaping members 20 can also be combined with each other by a bamboo connecting machine (not shown) using an adhesive tape (not shown) to form a single-layer bamboo veneer 24.
【００３３】ここにおいて複数の竹整形部材２０の夫々
の寸法が上述した如く規格化されていて、しかも複数の
竹整形部材２０は例えばナイロン糸の如き合成樹脂糸２
２を使用した、または図示しない接着テープを使用し
た、図示しない竹連結機械によって相互に組み合わされ
るので、１層の竹単板２４における複数の竹整形部材２
０の相互間における隙間は略１．５ｍｍ以下にすること
が出来る。Here, the respective dimensions of the plurality of bamboo shaping members 20 are standardized as described above, and the plurality of bamboo shaping members 20 are made of synthetic resin yarn 2 such as nylon yarn.
2, or a plurality of bamboo shaping members 2 in one layer of the bamboo veneer 24, which are combined with each other by a bamboo connecting machine (not shown) using an adhesive tape (not shown).
The gap between 0s can be set to approximately 1.5 mm or less.
【００３４】竹単板２４は含水率が略１２％乃至略１８
％の範囲内となるまで乾燥された後に、機械により防水
接着剤が表面に塗布される。ここで使用する防水接着剤
はフェノール樹脂接着剤またはクロロプレンゴム樹脂が
好ましいが、その他の公知の防水性の良好な接着剤を使
用することも出来る。The bamboo veneer 24 has a water content of about 12% to about 18%.
After being dried to within the range of%, the machine applies a waterproof adhesive to the surface. The waterproof adhesive used here is preferably a phenol resin adhesive or a chloroprene rubber resin, but other known adhesives having good waterproofness can also be used.
【００３５】そして防水接着剤には、この発明の強化竹
合板をコンテナ用底板に適用する際の必要に応じて、ホ
キシム（ＰＨＯＸＩＭ）を有した防腐剤を略３．５Ｋｇ
／ｍ3 の割合で混ぜ合わせることが出来、防腐剤のホキ
シムの残量は略０．７ｋｇ／ｍ3 以上である。なおこの
ような防腐剤としては、BASILEUM,RADALEUM,またはRADA
THIOM ( QINGDAO JINWEI産業株式会社または QINGDAO J
INYUAN 株式会社が製造）を使用することが出来る。As the waterproof adhesive, about 3.5 kg of a preservative having a phoxime (PHOXIM) is used as required when the reinforced bamboo plywood of the present invention is applied to a bottom plate for a container.
It is possible to mix them at a ratio of / m 3 , and the remaining amount of the preservative hoxime is approximately 0.7 kg / m 3 or more. Examples of such antiseptics include BASILEUM, RADALEUM, or RADA.
THIOM (QINGDAO JINWEI Sangyo Co., Ltd. or QINGDAO J
Manufactured by INYUAN Co., Ltd.) can be used.
【００３６】竹単板２４の表面に塗布される防水接着剤
は、竹単板２４の両面に塗布する場合には、防水接着剤
の塗布量は固体含水率が５０％の防水接着剤では略１１
０Ｋｇ／ｍ3 乃至略１４０Ｋｇ／ｍ3 の範囲内となり、
竹単板２４の片面のみに塗布する場には、略８０Ｋｇ／
ｍ3 乃至略１００Ｋｇ／ｍ3 の範囲内となる。When the waterproof adhesive applied to the surface of the bamboo veneer 24 is applied to both sides of the bamboo veneer 24, the amount of the waterproof adhesive applied is almost the same as the waterproof adhesive having a solid water content of 50%. 11
0 kg / m 3 to be in the range of approximately 140 kg / m 3,
When applied to only one side of the bamboo veneer 24, approximately 80 kg /
m 3 to be in the range of approximately 100 Kg / m 3.
【００３７】最後に、表面に防水接着剤が塗布された竹
単板２４は含水率が略１２％となるまで乾燥されて完成
される。Finally, the bamboo veneer 24 having the surface coated with the waterproof adhesive is dried and completed until the water content becomes approximately 12%.
【００３８】図７には、図１乃至図６を参照しながら上
述した如く製造された竹単板２４を組み合わせてコンテ
ナ用底板に適用するのに適した本願の発明の強力竹合板
の１つの実施態様の製造方法が概略的に示されている。FIG. 7 shows one of the strong bamboo plywoods of the present invention, which is suitable for being applied to a bottom plate for a container by combining the bamboo veneer plates 24 manufactured as described above with reference to FIGS. 1 to 6. A manufacturing method of an embodiment is schematically shown.
【００３９】本願の発明の強力竹合板の１つの実施態様
は、１層の竹単板２４により構成された表面構成部３０
及び底面構成部３２と、５層の竹単板２４により構成さ
れ表面構成部３０と底面構成部３２とに挟まれた芯構成
部３４と、を備えている。そして芯構成部３４の５層の
竹単板２４は、夫々の層に含まれる複数の竹整形部材２
０の延出方向を相互に交差させるよう配置させた状態で
相互に重複されて組み合わされている。One embodiment of the strong bamboo plywood of the invention of the present application is a surface forming portion 30 constituted by one layer of bamboo veneer 24.
And a bottom constituent part 32, and a core constituent part 34 which is composed of the five-layer bamboo veneer 24 and is sandwiched between the surface constituent part 30 and the bottom constituent part 32. Then, the five-layer bamboo veneer 24 of the core forming portion 34 includes the plurality of bamboo shaping members 2 included in each layer.
They are combined so as to overlap each other in a state where they are arranged so that the extending directions of 0 intersect with each other.
【００４０】表面構成部３０及び底面構成部３２の１層
の竹単板２４と芯構成部３４の５層の竹単板２４の夫々
において相互に当接する表面には防水接着剤が塗布さ
れ、しかる後に表面構成部３０及び底面構成部３２の１
層の竹単板２４と芯構成部３４の５層の竹単板２４は夫
々の層に含まれる複数の竹整形部材２０の延出方向を相
互に交差させるよう配置させた状態で相互に重複されて
組み合わされた後に略摂氏１４０度乃至略摂氏１７０度
の範囲内の温度及び略２０Ｋｇ／ｃｍ2 乃至略４０Ｋｇ
／ｃｍ2 の範囲内の圧力の下で圧縮比率が略１：１．１
５乃至略１：１．５の範囲となるよう加熱圧縮されて相
互に固定されることにより強力竹合板に成形される。A waterproof adhesive is applied to the surfaces of the one-layer bamboo veneer plate 24 of the surface forming portion 30 and the bottom face forming portion 32 and the five-layer bamboo veneer plate 24 of the core forming portion 34 which abut against each other. Then, one of the surface forming part 30 and the bottom forming part 32
The layered bamboo veneer 24 and the five-layer bamboo veneer 24 of the core forming portion 34 overlap each other in a state in which the extending directions of the plurality of bamboo shaping members 20 included in each layer intersect with each other. After being combined and combined, the temperature is in the range of approximately 140 degrees Celsius to approximately 170 degrees Celsius and approximately 20 kg / cm 2 to approximately 40 kg.
The compression ratio is approximately 1: 1.1 under the pressure within the range of 1 / cm 2.
It is molded into a strong bamboo plywood by being heated and compressed and fixed to each other in the range of 5 to about 1: 1.5.
【００４１】さらにコンテナ用底板としての防水性を保
証する為に、表面構成部３０と底面構成部３２の夫々の
外表面には例えばフェノール樹脂またはガラス繊維強化
プラスチック樹脂の如き塗料が塗布される。Further, in order to ensure waterproofness as the bottom plate for the container, a coating material such as phenol resin or glass fiber reinforced plastic resin is applied to the outer surface of each of the surface forming portion 30 and the bottom forming portion 32.
【００４２】なお使用後における表面構成部３０及び底
面構成部３２の夫々の変形を減少させる為に、表面構成
部３０及び底面構成部３２の夫々を夫々の層に含まれる
複数の竹整形部材２０の延出方向を相互に交差させるよ
う配置させた２層以上の竹単板２４により構成すること
もでき、しかも２層以上の竹単板２４を略４０Ｋｇ／ｃ
ｍ2 以下の圧力の下で圧縮比率が略１：１．１５乃至略
１：１．５の範囲となるよう加熱圧縮して成形した高圧
縮比の多積層竹板により構成することも出来る。さら
に、表面構成部３０及び底面構成部３２の夫々の外表面
に略０．６ｍｍ乃至略１．２ｍｍの厚さの熱帯または寒
帯の堅木板を配置することも出来る。In order to reduce the deformation of the surface forming part 30 and the bottom forming part 32 after use, the plurality of bamboo shaping members 20 each including the surface forming part 30 and the bottom forming part 32 in their respective layers. The bamboo veneer 24 of two or more layers arranged so that the extending directions of the two may intersect each other, and the bamboo veneer 24 of two or more layers is approximately 40 kg / c.
It is also possible to use a multi-layered bamboo plate having a high compression ratio, which is heat-compressed and molded so that the compression ratio is in the range of approximately 1: 1.15 to approximately 1: 1.5 under a pressure of m 2 or less. Further, tropical or cold hardwood boards having a thickness of approximately 0.6 mm to approximately 1.2 mm can be arranged on the outer surfaces of the surface forming portion 30 and the bottom forming portion 32, respectively.
【００４３】また、芯構成部３４は、夫々の層に含まれ
る複数の竹整形部材２０の延出方向を相互に交差させる
よう配置させた状態で防水接着剤により相互に接着され
た少なくとも２層の竹単板２４を備えている他は、竹屑
または他の植物繊維を固めることにより構成された板を
備えていることが出来る。The core forming portion 34 is at least two layers adhered to each other with a waterproof adhesive in a state where the extending directions of the plurality of bamboo shaping members 20 included in each layer are crossed with each other. In addition to providing the bamboo veneer 24 of FIG. 3, it is possible to provide a plate constituted by hardening bamboo waste or other plant fiber.
【００４４】コンテナ用底板として使用するのに適する
よう上述した如き製造方法により製造された強力竹合板
の物理的性能と力学的特性は以下のようになった。The physical properties and mechanical properties of the strong bamboo plywood manufactured by the above-described manufacturing method so as to be suitable for use as a bottom plate for a container were as follows.
【００４５】絶対含水率は、１０％以下；比重は、０．
８〜０．８５；接着強度は、２．５ＭＰａ以上；縦方向
曲げ強度は、８０ＭＰａ以上；横方向曲げ強度は、４０
ＭＰａ以上；縦方向弾性係数は、１０，０００ＭＰａ以
上；横方向弾性係数は、４，０００ＭＰａ以上。The absolute water content is 10% or less; the specific gravity is 0.
8 to 0.85; adhesive strength is 2.5 MPa or more; longitudinal bending strength is 80 MPa or more; lateral bending strength is 40
MPa or more; longitudinal elastic modulus is 10,000 MPa or more; lateral elastic modulus is 4,000 MPa or more.
【００４６】このような物理的性能と力学的特性は全
て、コンテナ用底板としての国際的な技術基準に合致し
ている。さらには実際の荷重試験においても、底板持ち
上げ強度やフォークポケット持ち上げ強度もまた国際的
な技術基準に合致している。All such physical performance and mechanical characteristics meet the international technical standards for a bottom plate for a container. Further, in the actual load test, the bottom plate lifting strength and the fork pocket lifting strength also meet the international technical standards.
【００４７】［実施例１］実施例１のコンテナ用底板の
為の強力竹合板は１３層の竹単板を組み合わせることに
より構成されていて、表面構成部及び底面構成部の夫々
には２層の竹単板の組み合わせが使用されている。加熱
圧縮時の温度を略摂氏１５０度とし、防水接着剤として
フェノール樹脂接着剤を竹単板の両面に塗布してフェノ
ール樹脂接着剤の使用量を１００Ｋｇ／ｍ3 とし、加熱
圧縮時の圧力を２０Ｋｇ／ｃｍ2 とした。[Embodiment 1] The strong bamboo plywood for the bottom plate for a container of Embodiment 1 is constructed by combining 13 layers of bamboo veneer, and each of the surface constituting portion and the bottom constituting portion has two layers. The combination of bamboo veneer is used. The temperature at the time of heat compression is set to about 150 degrees Celsius, and a phenol resin adhesive as a waterproof adhesive is applied to both sides of the bamboo veneer to set the usage amount of the phenol resin adhesive to 100 Kg / m 3 and the pressure at the time of heat compression. It was set to 20 Kg / cm 2 .
【００４８】このようにして製造された実施例１のコン
テナ用底板の為の強力竹合板の物理的性能と力学的特性
は： 密度 ０．７２ 圧縮比 １：１．１５ 縦方向曲げ強度 ８０ＭＰａ 横方向曲げ強度 ４１ＭＰａ 縦方向弾性係数 １０，１００ＭＰａ 横方向弾性係数 ４，０５０ＭＰａ である。The physical performance and mechanical properties of the strong bamboo plywood for the container bottom plate of Example 1 thus manufactured are: density 0.72 compression ratio 1: 1.15 longitudinal bending strength 80 MPa horizontal Directional bending strength is 41 MPa, longitudinal elastic modulus is 10,100 MPa, and lateral elastic modulus is 4,050 MPa.
【００４９】［実施例２］加熱圧縮時の圧力を３２Ｋｇ
／ｃｍ2 とした以外は、実施例１のコンテナ用底板の為
の強力竹合板と同じ条件で製造された。[Example 2] The pressure during heating and compression was 32 kg.
It was manufactured under the same conditions as the high-strength bamboo plywood for the bottom plate for the container of Example 1 except that the plywood / cm 2 was used.
【００５０】このようにして製造された実施例２のコン
テナ用底板の為の強力竹合板の物理的性能と力学的特性
は： 密度 ０．８ 圧縮比 １：１．２５ 縦方向曲げ強度 １０７ＭＰａ 横方向曲げ強度 ６２ＭＰａ 縦方向弾性係数 １１，５００ＭＰａ 横方向弾性係数 ６，１００ＭＰａ である。The physical performance and mechanical properties of the strong bamboo plywood for the bottom plate for a container of Example 2 manufactured in this way are as follows: Density 0.8 Compression ratio 1: 1.25 Longitudinal bending strength 107 MPa Horizontal Directional bending strength is 62 MPa, longitudinal elastic modulus is 11,500 MPa, and transverse elastic modulus is 6,100 MPa.
【００５１】［実施例３］加熱圧縮時の圧力を４０Ｋｇ
／ｃｍ2 とした以外は、実施例１のコンテナ用底板の為
の強力竹合板と同じ条件で製造された。[Example 3] The pressure during heating and compression was 40 kg.
It was manufactured under the same conditions as the high-strength bamboo plywood for the bottom plate for the container of Example 1 except that the plywood / cm 2 was used.
【００５２】このようにして製造された実施例３のコン
テナ用底板の為の強力竹合板の物理的性能と力学的特性
は： 密度 ０．８５ 圧縮比 １：１．５ 縦方向曲げ強度 １６０ＭＰａ 横方向曲げ強度 ８１ＭＰａ 縦方向弾性係数 １１，７００ＭＰａ 横方向弾性係数 ７，０００ＭＰａ である。The physical properties and mechanical properties of the strong bamboo plywood for the container bottom plate of Example 3 manufactured in this way are: Density 0.85 Compression ratio 1: 1.5 Longitudinal bending strength 160 MPa Horizontal Directional bending strength is 81 MPa, longitudinal elastic modulus is 11,700 MPa, and transverse elastic modulus is 7,000 MPa.
【００５３】［実施例４］実施例４のコンテナ用底板の
為の強力竹合板は１５層の竹単板を組み合わせることに
より構成されていて、表面構成部及び底面構成部の夫々
には２層の竹単板の組み合わせが使用されている。加熱
圧縮時の温度を略摂氏１５０度とし、防水接着剤として
フェノール樹脂接着剤を竹単板の両面に塗布してフェノ
ール樹脂接着剤の使用量を１１０Ｋｇ／ｍ3 とし、加熱
圧縮時の圧力を３２Ｋｇ／ｃｍ2 とした。[Embodiment 4] The strong bamboo plywood for the bottom plate for the container of Embodiment 4 is constituted by combining 15 layers of bamboo veneer, and each of the surface constituting portion and the bottom constituting portion has two layers. The combination of bamboo veneer is used. The temperature at the time of heat compression is set to about 150 degrees Celsius, the phenol resin adhesive as a waterproof adhesive is applied to both sides of the bamboo veneer to set the usage amount of the phenol resin adhesive to 110 Kg / m 3, and the pressure at the time of heat compression is adjusted. It was set to 32 Kg / cm 2 .
【００５４】このようにして製造された実施例４のコン
テナ用底板の為の強力竹合板の物理的性能と力学的特性
は： 密度 ０．８１ 圧縮比 １：１．２６ 縦方向曲げ強度 １０９ＭＰａ 横方向曲げ強度 ６５ＭＰａ 縦方向弾性係数 １１，７００ＭＰａ 横方向弾性係数 ６，３００ＭＰａ 接着強度 ２．７ＭＰａ である。The physical performance and mechanical properties of the strong bamboo plywood for the container bottom plate of Example 4 manufactured in this way are: Density 0.81 Compression ratio 1: 1.26 Longitudinal bending strength 109 MPa Horizontal Directional bending strength is 65 MPa, longitudinal elastic modulus is 11,700 MPa, lateral elastic modulus is 6,300 MPa, and adhesive strength is 2.7 MPa.
【００５５】［実施例５］実施例５のコンテナ用底板の
為の強力竹合板は１５層の竹単板を組み合わせることに
より構成されていて、表面構成部及び底面構成部の夫々
には２層の竹単板の組み合わせが使用されている。加熱
圧縮時の温度を略摂氏１５０度とし、防水接着剤として
フェノール樹脂接着剤を竹単板の両面に塗布してフェノ
ール樹脂接着剤の使用量を１１０Ｋｇ／ｍ3 とし、加熱
圧縮時の圧力を３２Ｋｇ／ｃｍ2 とし、防腐剤を３．５
Ｋｇ／ｍ3 の割合で防水接着剤に混ぜ合わせた。[Embodiment 5] The strong bamboo plywood for the bottom plate for the container of Embodiment 5 is constructed by combining 15 layers of bamboo veneer, and each of the surface constituting portion and the bottom constituting portion has two layers. The combination of bamboo veneer is used. The temperature at the time of heat compression is set to about 150 degrees Celsius, the phenol resin adhesive as a waterproof adhesive is applied to both sides of the bamboo veneer to set the usage amount of the phenol resin adhesive to 110 Kg / m 3, and the pressure at the time of heat compression is adjusted. 32 Kg / cm 2 with 3.5 preservatives
It was mixed with the waterproof adhesive at a rate of Kg / m 3 .
【００５６】このようにして製造された実施例５のコン
テナ用底板の為の強力竹合板の物理的性能と力学的特性
は： 密度 ０．８３ 圧縮比 １：１．２７ 縦方向曲げ強度 １１１ＭＰａ 横方向曲げ強度 ６７ＭＰａ 縦方向弾性係数 １２，１００ＭＰａ 横方向弾性係数 ６，５００ＭＰａ 接着強度 ２．９ＭＰａ ホキシム残量 ０．７８ｋｇ／ｍ3 である。The physical performance and mechanical properties of the strong bamboo plywood for the container bottom plate of Example 5 thus manufactured are: Density 0.83 Compression ratio 1: 1.27 Longitudinal bending strength 111 MPa Horizontal Directional bending strength 67 MPa Longitudinal elastic modulus 12,100 MPa Transverse elastic modulus 6,500 MPa Adhesive strength 2.9 MPa Remaining amount of oxime 0.78 kg / m 3 .
【００５７】[0057]
【発明の効果】以上詳述したことから明らかなように、
この発明の強力竹合板によれば、竹合板毎の厚さの差が
小さく、前後方向と左右方向における強度の差異が小さ
く、コンテナ用底板としてしようするのに適している。
しかもこの発明の強力竹合板の製造方法によればこのよ
うな強力竹合板の自動製造が容易であり、品質も安定し
ていて、さらに製造に要するエネルギーやコストが小さ
い。As is clear from the above description,
According to the strong bamboo plywood of the present invention, the difference in thickness between the bamboo plywoods is small and the difference in strength in the front-rear direction and the left-right direction is small, and it is suitable for use as a container bottom plate.
Moreover, according to the method for manufacturing a strong bamboo plywood of the present invention, such a strong bamboo plywood can be easily manufactured automatically, the quality is stable, and the energy and cost required for the manufacture are small.
【図１】この発明の強力竹合板の製造方法の１つの実施
の形態において、竹材料を竹切断機械により径方向に切
断する様子を示す概略的な斜視図である。FIG. 1 is a schematic perspective view showing how bamboo material is radially cut by a bamboo cutting machine in one embodiment of the method for manufacturing a strong bamboo plywood according to the present invention.
【図２】この発明の強力竹合板の製造方法の１つの実施
の形態において、図１で切断した竹材料を厳格に竹材料
の部位別に仕分けた後に仕分けられた竹材料を竹割り機
械により竹材料の繊維の延出方向に沿い複数に分割して
形成された複数の竹片をを示す概略的な斜視図である。FIG. 2 shows an embodiment of a method for manufacturing a strong bamboo plywood according to the present invention, in which the bamboo material cut in FIG. 1 is strictly sorted into parts of the bamboo material, and then the sorted bamboo material is bamboo-cut by a bamboo splitting machine. FIG. 4 is a schematic perspective view showing a plurality of bamboo pieces formed by being divided into a plurality of pieces along the extending direction of the fibers of the material.
【図３】竹材料を竹材料の厚さ方向における組織と力学
的性能とにより外側部，内側部，そして中間部に区分す
ることが出来ることを示す概略的な横断面図である。FIG. 3 is a schematic cross-sectional view showing that the bamboo material can be divided into an outer portion, an inner portion, and an intermediate portion according to the texture and mechanical performance in the thickness direction of the bamboo material.
【図４】この発明の強力竹合板の製造方法の１つの実施
の形態において、図２で形成された複数の竹片の夫々を
竹スライス機械によりスライスして竹材料の厚さ方向の
内側部，外側部，そして中間部を分離する様子を示す概
略的な斜視図である。4 is an embodiment of a method for manufacturing a strong bamboo plywood according to the present invention, in which each of the plurality of bamboo pieces formed in FIG. 2 is sliced by a bamboo slicing machine to form an inner portion in the thickness direction of the bamboo material. FIG. 6 is a schematic perspective view showing a state in which an outer part and an intermediate part are separated.
【図５】この発明の強力竹合板の製造方法の１つの実施
の形態において、図４で形成された複数の竹片の夫々の
中間部を竹整形機械により所定の幅と所定の厚さとを有
するよう整形加工して竹整形部材を形成する様子を示す
概略的な斜視図である。FIG. 5 is an embodiment of the method for manufacturing a strong bamboo plywood according to the present invention, in which each of the intermediate portions of the plurality of bamboo pieces formed in FIG. 4 has a predetermined width and a predetermined thickness by a bamboo shaping machine. It is a schematic perspective view which shows a mode that it processes so that it may be formed and a bamboo shaping member may be formed.
【図６】この発明の強力竹合板の製造方法の１つの実施
の形態において、図５で形成された相互に同じ幅と厚さ
とを有した複数の竹整形部材を例えばナイロン糸の如き
合成樹脂糸を使用した竹連結機械により相互に組み合わ
せて１層の竹単板を形成する様子を示す概略的な斜視図
である。FIG. 6 is a perspective view showing a method of manufacturing a strong bamboo plywood according to an embodiment of the present invention, in which a plurality of bamboo shaping members having the same width and the same thickness formed in FIG. FIG. 3 is a schematic perspective view showing a state in which a bamboo connecting machine using threads is combined with each other to form a single-layer bamboo veneer.
【図７】この発明の強力竹合板の製造方法の１つの実施
の形態において、図６で形成された竹単板を乾燥機械に
より含水率が略１２％乃至略１８％の範囲内まで乾燥さ
せ、乾燥された竹単板の表面に防水接着剤を塗布し、防
水接着剤が塗布された竹単板を含水率が略１２％となる
まで乾燥させることにより完成された竹単板を複数使用
し、相互に加熱圧縮することにより接着固定して層状の
表面構成部，芯構成部，そして底面構成部を備えたこの
発明の強力竹合板の１つの実施の形態を製造する様子を
示す概略的な斜視図である。FIG. 7 is an embodiment of a method for manufacturing a strong bamboo plywood according to the present invention, in which the bamboo veneer formed in FIG. 6 is dried by a drying machine to a water content within a range of approximately 12% to approximately 18%. , Applying a waterproof adhesive to the surface of dried bamboo veneer, and drying the bamboo veneer coated with the waterproof adhesive until the water content becomes approximately 12%. A schematic view showing how one embodiment of the strong bamboo plywood of the present invention having a layered surface constituting portion, a core constituting portion, and a bottom constituting portion is manufactured by adhesively fixing by heating and compressing each other. FIG.
１０…竹材料、１０ａ…外側部，１０ｂ…内側部、１０
ｃ…中間部、１２…切断された竹材料、１４…竹片、１
６…竹整形機械、２０…竹整形部材、２２…合成樹脂
糸、２４…竹単板、３０…表面構成部、３２…底面構成
部、３４…芯構成部。10 ... Bamboo material, 10a ... Outside part, 10b ... Inside part, 10
c ... middle part, 12 ... cut bamboo material, 14 ... bamboo pieces, 1
6 ... Bamboo shaping machine, 20 ... Bamboo shaping member, 22 ... Synthetic resin thread, 24 ... Bamboo veneer, 30 ... Surface configuration part, 32 ... Bottom configuration part, 34 ... Core configuration part.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 羅伝徳 中華人民共和国、山東省青島市曹▲しぁ▼ 路33号 (72)発明者 鄭肇明 台湾、台北市済南路一段十五号九楼 (72)発明者 朱善行 中華人民共和国、山東省青島市曹▲しぁ▼ 路33号 (72)発明者 陳永麟 台湾、台北市済南路一段十五号九楼 (72)発明者 ▲しん▼杜絹 中華人民共和国、山東省青島市曹▲しぁ▼ 路33号 (72)発明者 任治平 台湾、台北市済南路一段十五号九楼 (72)発明者 黄河浪 中華人民共和国、山東省青島市曹▲しぁ▼ 路33号 (72)発明者 許炳煌 台湾、台北市済南路一段十五号九楼 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor, Luodende, People's Republic of China, Qingdao City, Shandong Province, Cao ▲ Xia ▼ Road No. 33 (72) Inventor Zheng Zhaoming, Jinan Road, Taipei City, Taiwan 9th Floor 72) Inventor Zhu Zhenyuki, 33, Cao, Shio Road, Qingdao City, Shandong Province, China (72) Inventor, Chen Yonglin, 9th Floor, No. 15, Jinan Road, Taipei City, Taiwan (72) Inventor, Shin Silk People's Republic of China, Qingdao, Shandong Province, Cao ▲ Xia ▼ Road 33 (72) Inventor Nijihei, Jinan Road, Taipei City, Taipei, Taiwan, 9th Floor, No. 9 (72) Inventor Yellow River Nan Qingdao City, Shandong Province, People's Republic of China Cao Shia Road No. 33 (72) Inventor Xu Bing Jinan Road No. 15 No. 15 Jinan Road, Taipei City, Taiwan
Claims (17)
面構成部を備えており；表面構成部と底面構成部とは芯
構成部を挟んだ状態で積層されて防水接着剤により接着
固定されており；表面構成部と底面構成部の夫々は、相
互に同じ幅と厚みとを有した複数の竹整形部材を相互に
組み合わせて形成された少なくとも１層の竹単板により
構成されており；芯構成部は、夫々の層に含まれる複数
の竹整形部材の延出方向を相互に交差させるよう配置さ
せた状態で防水接着剤により相互に接着された少なくと
も２層の竹単板を備えており；上記竹整形部材は、径方
向に切断された竹材料を竹材料の繊維の延出方向に沿い
複数に分割して形成された複数の竹片の夫々を略１５ｍ
ｍ乃至略３０ｍｍの範囲内の所定の幅と略１ｍｍ乃至略
５ｍｍの範囲内の所定の厚さとを有するよう整形加工す
ることにより形成されていて；表面構成部と底面構成部
の夫々の外表面には塗料が塗布されている；ことを特徴
とする強力竹合板。1. A layered surface constituting portion, a core constituting portion, and a bottom constituting portion are provided; the surface constituting portion and the bottom constituting portion are laminated with the core constituting portion sandwiched therebetween and adhered and fixed by a waterproof adhesive. Each of the front surface forming portion and the bottom surface forming portion is composed of at least one layer of bamboo veneer formed by mutually combining a plurality of bamboo shaping members having the same width and thickness. The core component comprises at least two layers of veneered bamboo bonded to each other with a waterproof adhesive in a state in which the plurality of bamboo shaping members included in each layer are arranged so that the extending directions thereof intersect each other. The bamboo shaping member has a plurality of bamboo pieces formed by dividing the bamboo material cut in the radial direction into a plurality of pieces along the extending direction of the fibers of the bamboo material, each having a length of about 15 m.
formed by shaping to have a predetermined width in the range of m to approximately 30 mm and a predetermined thickness in the range of approximately 1 mm to approximately 5 mm; the outer surface of each of the surface forming portion and the bottom forming portion. Is coated with paint; strong bamboo plywood characterized by
竹単板の複数の竹整形部材の夫々は上記竹片における上
記竹材料の厚さ方向の外側部と内側部とに挟まれた中間
部のみを使用して形成されている、ことを特徴とする請
求項１に記載の強力竹合板。2. A plurality of bamboo shaping members of a bamboo veneer in each of the surface constituting portion and the bottom constituting portion, and an intermediate portion sandwiched between an outer portion and an inner portion of the bamboo piece in the thickness direction of the bamboo material. The strong bamboo plywood according to claim 1, wherein the strong bamboo plywood is formed using only parts.
または接着テープにより相互に連結されている、ことを
特徴とする請求項１または請求項２に記載の強力竹合
板。3. The strong bamboo plywood according to claim 1, wherein a plurality of bamboo shaping members of the bamboo veneer are connected to each other by a synthetic resin thread or an adhesive tape.
とも、熱圧縮されているか、または外表面に略０．６ｍ
ｍ乃至略１．２ｍｍの厚さの堅木板が配置されている、
ことを特徴とする請求項１乃至請求項３のいずれか１項
に記載の強力竹合板。4. Each of the surface forming portion and the bottom forming portion is at least heat-compressed or has an outer surface of approximately 0.6 m.
a hardwood board having a thickness of m to about 1.2 mm is arranged,
The strong bamboo plywood according to any one of claims 1 to 3, which is characterized in that.
に塗布される塗料はフェノール樹脂またはガラス繊維強
化プラスチック樹脂を含む、ことを特徴とする請求項１
乃至請求項４のいずれか１項に記載の強力竹合板。5. The coating material applied to the outer surface of each of the surface forming portion and the bottom forming portion contains a phenol resin or a glass fiber reinforced plastic resin.
The strong bamboo plywood according to any one of claims 4 to 5.
めることにより構成された板を備えている、ことを特徴
とする請求項１乃至請求項５のいずれか１項に記載の強
力竹合板。6. The strength according to any one of claims 1 to 5, characterized in that the core constituent portion is provided with a plate constituted by hardening bamboo waste or other plant fibers. Bamboo plywood.
またはクロロプレンゴム樹脂を含む、ことを特徴とする
請求項１乃至請求項６のいずれか１項に記載の強力竹合
板。7. The strong bamboo plywood according to any one of claims 1 to 6, wherein the waterproof adhesive contains a phenol resin adhesive or a chloroprene rubber resin.
徴とする請求項１乃至請求項７のいずれか１項に記載の
強力竹合板。8. The strong bamboo plywood according to any one of claims 1 to 7, which is applied to a bottom plate for a container.
Ｍ）を有した防腐剤を含んでおり、防腐剤のホキシムの
残量は略０．７ｋｇ／ｍ3 以上である、ことを特徴とす
る請求項１乃至請求項８のいずれか１項に記載の強力竹
合板。9. The waterproof adhesive is PHOXI.
9. The antiseptic having M) is contained, and the remaining amount of the preservative, ie, hoxime, is about 0.7 kg / m 3 or more, 9. Strong bamboo plywood.
る竹整形部材形成工程と、複数の竹整形部材を乾燥させ
た後に相互に組み合わせて竹単板を形成する竹単板形成
工程と、竹単板を加熱圧縮することにより強力竹合板を
製造する竹単板加熱圧縮工程と、を備えた強力竹合板の
製造方法であって：竹整形部材形成工程では、竹材料が
径方向に切断され、切断された竹材料は竹材料の繊維の
延出方向に沿い複数に分割されて複数の竹片が形成さ
れ、複数の竹片の夫々は略１５ｍｍ乃至略３０ｍｍの範
囲内の所定の幅と略１ｍｍ乃至略５ｍｍの範囲内の所定
の厚さとを有するよう整形加工されて竹整形部材に形成
され；竹単板加熱圧縮工程では、竹単板が乾燥された後
に竹単板の表面に接着剤が塗布され、次には含水率が略
１２％になるまで乾燥され、さらに次には複数の竹単板
が夫々の竹単板における複数の竹整形部材の竹材料の繊
維の延出方向が相互に交差するよう組み合わされた後に
略摂氏１４０度乃至略摂氏１７０度の範囲内の温度及び
略２０Ｋｇ／ｃｍ2 乃至略４０Ｋｇ／ｃｍ2 の範囲内の
圧力の下で圧縮比率が略１：１．１５乃至略１：１．５
の範囲となるよう加熱圧縮されて強力竹合板が製造され
る；ことを特徴とする強力竹合板の製造方法。10. A bamboo shaping member forming step of forming a plurality of bamboo shaping members from a bamboo material, and a bamboo veneer forming step of drying the plurality of bamboo shaping members and then combining them together to form a bamboo veneer. A method for producing a strong bamboo plywood, comprising: a heating and compression step for producing a strong bamboo plywood by heating and compressing a bamboo veneer; and a bamboo shaping member forming step in which a bamboo material is cut in a radial direction. The cut and cut bamboo material is divided into a plurality of pieces along the extending direction of the fibers of the bamboo material to form a plurality of bamboo pieces, and each of the plurality of bamboo pieces has a predetermined width within a range of about 15 mm to about 30 mm. And a predetermined thickness within the range of approximately 1 mm to approximately 5 mm, and shaped into a bamboo shaping member; in the bamboo veneer heat compression step, the bamboo veneer is dried and then the bamboo veneer surface is formed. Adhesive is applied and then dried until the water content is approximately 12% Then, after the plurality of bamboo veneers are combined so that the extending directions of the fibers of the bamboo material of the plurality of bamboo shaping members in the respective bamboo veneers intersect each other, approximately 140 degrees Celsius to approximately 170 degrees Celsius. every temperature and substantially in the range 20 Kg / cm 2 to substantially compression ratio under pressure in the range of about 40 Kg / cm 2 1: 1.15 to about 1: 1.5
The method for producing a strong bamboo plywood, characterized in that the strong bamboo plywood is produced by being heated and compressed so as to fall within the range.
形部材の夫々は上記竹片における上記竹材料の厚さ方向
の外側部と内側部とには挟まれた中間部のみを使用して
略１ｍｍ乃至略５ｍｍの範囲内の同じ厚さに形成されて
いる、ことを特徴とする請求項１０に記載の強力竹合板
の製造方法。11. In the step of forming a bamboo shaping member, each of the plurality of bamboo shaping members uses only an intermediate portion sandwiched between an outside portion and an inside portion of the bamboo piece in the thickness direction of the bamboo material. The method for manufacturing a strong bamboo plywood according to claim 10, wherein the strong bamboo plywood is formed to have the same thickness within a range of approximately 1 mm to approximately 5 mm.
面と内表面における節に対応する突起を含む竹片の外側
部及び内側部が取り除かれる、ことを特徴とする請求項
１０または請求項１１に記載の強力竹合板の製造方法。12. The bamboo shaping member forming step, wherein an outer portion and an inner portion of the bamboo piece including protrusions corresponding to the nodes on the outer surface and the inner surface of the bamboo piece are removed. Item 12. A method for producing a strong bamboo plywood according to Item 11.
複数の竹整形部材は、相互に組み合わされて竹単板を形
成する前に、合成樹脂糸または接着テープにより相互に
連結される、ことを特徴とする請求項１０乃至請求項１
２のいずれか１項に記載の強力竹合板の製造方法。13. In the bamboo veneer forming step, a plurality of dried bamboo shaping members are connected to each other by a synthetic resin thread or an adhesive tape before being combined with each other to form a bamboo veneer. Claim 10 thru | or Claim 1 characterized by the above.
2. The method for producing a strong bamboo plywood according to any one of 2 above.
を特徴とする請求項１０乃至請求項１３のいずれか１項
に記載の強力竹合板の製造方法。14. The method for manufacturing a strong bamboo plywood according to claim 10, wherein the adhesive is a waterproof adhesive.
Ｍ）を有した防腐剤が略３．５Ｋｇ／ｍ3 の割合で混ぜ
合わされていて、防腐剤のホキシムの残量は略０．７ｋ
ｇ／ｍ3 以上である、ことを特徴とする請求項１４に記
載の強力竹合板の製造方法。15. The adhesive includes PHOXI.
The antiseptic having M) is mixed at a ratio of about 3.5 kg / m 3 , and the remaining amount of the preservative hoxime is about 0.7 k.
is g / m 3 or more, a manufacturing method of a strong bamboo plywood according to claim 14, characterized in that.
燥された後に竹単板の表面に塗布される接着剤は、竹単
板の片面のみに塗布され、その塗布量は略８０Ｋｇ／ｍ
3 乃至略１００Ｋｇ／ｍ3 の範囲内である、ことを特徴
とする請求項１０乃至請求項１５のいずれか１項に記載
の強力竹合板の製造方法。16. In the bamboo veneer heat compression step, the adhesive applied to the surface of the bamboo veneer after the bamboo veneer is dried is applied only to one side of the bamboo veneer, and the application amount thereof is about 80 kg. / M
The method for producing a strong bamboo plywood according to any one of claims 10 to 15, wherein the range is from 3 to about 100 Kg / m 3 .
燥された後に竹単板の表面に塗布される接着剤は、竹単
板の両面に塗布され、その塗布量は略１１０Ｋｇ／ｍ3
乃至略１４０Ｋｇ／ｍ3 の範囲内である、ことを特徴と
する請求項１０乃至請求項１５のいずれか１項に記載の
強力竹合板の製造方法。17. In the bamboo veneer heating and compression step, the adhesive applied to the surface of the bamboo veneer after the bamboo veneer is dried is applied to both sides of the bamboo veneer, and the applied amount is about 110 Kg / m 3
To about 140 Kg / m 3, the method for producing a strong bamboo plywood according to any one of claims 10 to 15, wherein
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94114944 CN1105624A (en) | 1994-08-18 | 1994-08-18 | Method for making high strength bamboo plywood |
| CN94114944.7 | 1994-08-18 | ||
| CN94114943.9 | 1994-08-18 | ||
| CN 94114943 CN1107093A (en) | 1994-08-18 | 1994-08-18 | High-strength bamboo veneer board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08197507A true JPH08197507A (en) | 1996-08-06 |
Family
ID=25743502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7210459A Pending JPH08197507A (en) | 1994-08-18 | 1995-08-18 | High-strength bamboo plywood and production thereof |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH08197507A (en) |
| KR (1) | KR960007119A (en) |
| GB (1) | GB2292336B (en) |
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|---|---|---|---|---|
| GB916466A (en) * | 1960-02-09 | 1963-01-23 | Howard Francis Root | Hexaformed bamboo honeycomb panel structure |
| US4810551A (en) * | 1985-12-16 | 1989-03-07 | Chu Alan C | Bamboo board |
| GB8916542D0 (en) * | 1989-07-20 | 1989-09-06 | Chu Wa | Bamboo core board |
-
1995
- 1995-08-11 GB GB9516504A patent/GB2292336B/en not_active Expired - Fee Related
- 1995-08-16 KR KR1019950025128A patent/KR960007119A/en not_active Application Discontinuation
- 1995-08-18 JP JP7210459A patent/JPH08197507A/en active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| KR960007119A (en) | 1996-03-22 |
| GB2292336B (en) | 1998-06-03 |
| GB9516504D0 (en) | 1995-10-11 |
| GB2292336A (en) | 1996-02-21 |
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