JPH0365316A - Manufacturing apparatus for composite panel - Google Patents
Manufacturing apparatus for composite panelInfo
- Publication number
- JPH0365316A JPH0365316A JP1202406A JP20240689A JPH0365316A JP H0365316 A JPH0365316 A JP H0365316A JP 1202406 A JP1202406 A JP 1202406A JP 20240689 A JP20240689 A JP 20240689A JP H0365316 A JPH0365316 A JP H0365316A
- Authority
- JP
- Japan
- Prior art keywords
- composite panel
- panel
- conveyor
- conveyors
- synthetic resin
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 239000006260 foam Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 16
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 16
- 239000000057 synthetic resin Substances 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 239000011162 core material Substances 0.000 abstract description 12
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000005304 joining Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000005187 foaming Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- JZUFKLXOESDKRF-UHFFFAOYSA-N Chlorothiazide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC2=C1NCNS2(=O)=O JZUFKLXOESDKRF-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 235000010582 Pisum sativum Nutrition 0.000 description 1
- 240000004713 Pisum sativum Species 0.000 description 1
- 229920002396 Polyurea Polymers 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000001642 boronic acid derivatives Chemical class 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 etc. Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920000582 polyisocyanurate Polymers 0.000 description 1
- 239000011495 polyisocyanurate Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野］
本発明は所定形状に成形した上下面材間に合成樹脂発泡
体をサンドイッチした複合パネルを製造する装置に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an apparatus for manufacturing a composite panel in which a synthetic resin foam is sandwiched between upper and lower panels molded into a predetermined shape.
この種複合パネル製造装置としてはスチールベルト、ロ
ーラ、キャタピラのいずれかの方式のコンベアを上下に
配設し、このコンベア間に、下側面材−合或樹脂発泡体
原料一上側面材を積層した状態で挟圧搬送しなから合成
樹脂発泡体原料を反応発泡させて所定形状に形成する、
所謂ダブルコンベア装置が一般的である。また、この種
装置では合成樹脂発泡体原料は、上下方向だけでなく幅
方向にも発泡するため、複合パネルの両側縁に何らかの
バッキング処理が必要であった。このため、ボード状の
複合板の製造では、例えば特開昭４８８３５６号公報の
ようにベルト状のサイドシールコンベアを用いることが
行われている。さらに、上下面材を樋状に成形し、両側
縁を積層、重合させて両面材間の空間を筒状とし、この
部分にのみ合成樹脂発泡体原料を充填し、両側縁におけ
る合成樹脂発泡体原料の洩れを上下面材自身によるバッ
キングで防止する方法をとっていた。This type of composite panel manufacturing equipment has steel belt, roller, or caterpillar type conveyors arranged above and below, and between these conveyors, the lower side material, the composite or resin foam raw material, and the upper side material are laminated. The synthetic resin foam raw material is reacted and foamed into a predetermined shape while being conveyed under pressure.
A so-called double conveyor device is common. In addition, in this type of device, the synthetic resin foam raw material foams not only in the vertical direction but also in the width direction, so some kind of backing treatment is required on both sides of the composite panel. For this reason, in the manufacture of board-like composite plates, a belt-like side seal conveyor is used, for example, as disclosed in Japanese Patent Application Laid-Open No. 488356. Furthermore, the upper and lower side materials are formed into a gutter shape, the side edges are laminated and polymerized to form a cylindrical space between the two side materials, and only this part is filled with the synthetic resin foam raw material, and the synthetic resin foam on both side edges is formed. The method used was to prevent leakage of raw materials by using backing from the upper and lower surface materials themselves.
〔発明が解決しようとする課題］
しかしながら、ベルト状のサイドシールコンベアを用い
る場合、複合パネルの側縁部形状が複雑になるとバッキ
ング効果が充分に発揮できなくなる不利があった。さら
に両者とも複合パネルの形状によってコンベアと面材占
の間に空間ができる場合、特に両側縁部では合成樹脂発
泡体原料の発泡により変形１，７てＬ７まう不利があっ
た。[Problems to be Solved by the Invention] However, when a belt-shaped side seal conveyor is used, there is a disadvantage that if the side edge shape of the composite panel becomes complicated, the backing effect cannot be sufficiently exerted. Furthermore, in both cases, when a space is created between the conveyor and the facing material due to the shape of the composite panel, there is a disadvantage that deformation 1, 7 and L7 occur due to foaming of the synthetic resin foam raw material, especially at both side edges.
本発明はこのような欠点を除去するため、少なくとも面
材が変形、移動し２やすい領域、すなわち合成樹脂発泡
体原料が発泡Ｖる領域に複合パネルの側端縁と同じ型形
状のサイドコンベアを配することにより、合成樹脂発泡
体の洩れ、上下面材の変形を阻止し、成形性にすぐれた
複合パネル製造装置を提案するものである。In order to eliminate these drawbacks, the present invention provides a side conveyor with the same shape as the side edge of the composite panel at least in the area where the face material is easily deformed and moved, that is, the area where the synthetic resin foam raw material foams. The present invention proposes a composite panel manufacturing apparatus that prevents leakage of the synthetic resin foam and deformation of the upper and lower surface materials and has excellent moldability.
以下に、図面を用いて本発明に係る複合パネル製造装置
について詳細に説明する。第１図（ａ）、（ｂ）は上記
複合パネル製造装置の代表的一実施例を説明する説明図
で、上はダブルコンベア成形機（以下、ダブルコンベア
という）、土はサイドコンベアであり、第２図（ａ）〜
（１）に示すような複合パネル（以下、単にパネルとい
う）Ａを連続的に成形するものである。、二のパネルＡ
は、例えばカラー・鋼板、アルミニウム板、ステンレス
板、鋼板、縁端銅板、アルミ・亜鉛合金メツキ鋼板、ク
ラツド鋼板、制振測板、ホーロー鋼板、フン素樹脂塗装
刷板等の平板、あるいはエンスボス加工板を所定形状に
成形した面材Ｂ、Ｃ間に、合成樹脂発泡体を主材とした
芯材りを充填したものである。なお１、芯材りとなる合
成樹脂発泡体としては、例えばボリイソシ゛アヌレート
フォーム、フェノールフオーム、ポリウレタンフォーム
、ポリウレアフオーム、ボリイ槃ドフォーム等、および
これらに難燃剤（硼酸塩、珪酸塩、リン酸塩等）、難燃
助剤（石膏スラグ、タルク、シラスバルーン等）、骨材
（パーライト、ガラスピーズ等）、繊維状′ｐＡ（ガラ
ス繊維、ロックウール、カーボンファイバー等の長、短
繊維）等を混入したもので、合成樹脂発泡体が原料状態
の時に面材Ｂ、Ｃ間に吐出され、ダブルコンベア上内で
発泡、反応、硬化したものである。EMBODIMENT OF THE INVENTION Below, the composite panel manufacturing apparatus based on this invention is demonstrated in detail using drawing. FIGS. 1(a) and 1(b) are explanatory diagrams illustrating a typical embodiment of the above-mentioned composite panel manufacturing apparatus. Figure 2(a)~
A composite panel (hereinafter simply referred to as a panel) A as shown in (1) is continuously formed. , second panel A
For example, flat plates such as colored steel plates, aluminum plates, stainless steel plates, steel plates, edge copper plates, aluminum/zinc alloy plated steel plates, clad steel plates, vibration damping measurement plates, enamel steel plates, fluorine resin coated plates, or embossed plates. A core material mainly made of synthetic resin foam is filled between the face materials B and C, which are formed by molding plates into a predetermined shape. 1. Examples of synthetic resin foams that serve as core materials include polyisocyanurate foam, phenol foam, polyurethane foam, polyurea foam, polyurethane foam, etc., and flame retardants (borates, silicates, phosphorus) added to these foams. acid salts, etc.), flame retardant aids (gypsum slag, talc, shirasu balloons, etc.), aggregates (perlite, glass peas, etc.), fibrous 'pA' (long and short fibers such as glass fiber, rock wool, carbon fiber, etc.) When the synthetic resin foam is in a raw material state, it is discharged between face materials B and C, and is foamed, reacted, and hardened on a double conveyor.
ダブルコンベア上は、キャタピラ、ロールコンベア、ベ
ルトコンベアのいずれか１種、あるいは、これらを組み
合わせて天下゛に配設したもの（図ではベルトコンベア
）であり、芯材りが原料状態から発泡、反応、硬化する
間、上、下コンベア２．３間に面材Ｂ−芯材Ｄ−面材Ｃ
を挟圧搬送しながらパネルＡ形状に成形するものである
。サイドコンベア４は第１図（ｔ））の平面図、第３図
に示すように、ダブルコンベア１の両側に少なくとも芯
材Ｉ〕が発泡する領域に配設し、上、下コンベア２．３
と同調して移動１−にとによりパネルＡの蛇行を防ＩＬ
すると共に、芯材りである合成樹脂発泡体が、発泡によ
ってパネルＡの両側端から漏洩するのを防止するバッキ
ング機能、パネルへの両側縁が芯材りの発泡圧によって
変形するのを防止するバックアップ機能を果たすもので
ある。さらに説明すると、ザイドコンベア土は断面がパ
ネルＡの両側縁とほぼ同じを形状としたものであり、ダ
ブルコンベア】丙でパネルＡの側端縁と土ミ、下コンベ
ア２．３との空間を閉塞すると共に、パネルＡの側端部
と密接することにより前記した機能を果たすものである
。なお、サイドコンベアー土としては、ゴムペルＦ・、
キャタピラ等である。−例としては、第４図に示すよう
に複数個のプレート６をローラ１１、リンクプレート１
２でリンクさせたチェーン部５と、各ブＩ／ −） ５
に接合ｊ７た型片９からなる型部８とからなるものであ
る。このプレート６は第５図に示すよ・うに、一方を切
り欠き、型片９を接合する接合面６ａを有すると共に、
他方にはローラ１１、リンクプレート１２を装着する窪
部６ｂを有するものである。また接合面６ａには型片９
を接合するための接合ビン７を少なくとも１本官する。The double conveyor is one of a caterpillar, roll conveyor, belt conveyor, or a combination of these (belt conveyor in the figure), and the core material is foamed and reacted from the raw material state. , during curing, between upper and lower conveyor 2.3, face material B - core material D - face material C
The material is molded into the shape of panel A while being conveyed under pressure. As shown in the plan view of FIG. 1(t)) and FIG. 3, the side conveyor 4 is disposed on both sides of the double conveyor 1 in the region where at least the core material I] is foamed, and is connected to the upper and lower conveyors 2.3.
Move in sync with 1- to prevent meandering of panel A
In addition, the backing function prevents the synthetic resin foam that is the core material from leaking from both sides of panel A due to foaming, and prevents the both side edges of the panel from deforming due to the foaming pressure of the core material. It serves as a backup function. To explain further, the cross section of Zide conveyor soil is almost the same as the both side edges of panel A, and the space between the side edge of panel A, the soil, and the lower conveyor 2.3 is defined by double conveyor [C]. By being closed and in close contact with the side edges of panel A, it fulfills the above-mentioned function. In addition, as the side conveyor soil, Gompel F.
Caterpillar etc. - For example, as shown in FIG.
Chain part 5 linked with 2 and each chain I/-) 5
It consists of a mold part 8 consisting of a mold piece 9 joined to the mold part 8. As shown in FIG. 5, this plate 6 has one side cut out and has a joining surface 6a to which the mold piece 9 is joined.
The other side has a recess 6b into which the roller 11 and link plate 12 are mounted. Also, a mold piece 9 is provided on the joint surface 6a.
At least one joining bottle 7 is provided for joining.
型片９は第６図に示すように一方にプレート６と接合す
るための接合部９ａを有し、かつ、他方をパネルＡの側
端縁と密着する型面９ｈとからなり、接合部９ａにはプ
レー１−６の接合ビン７を通すビン孔１０を存する。As shown in FIG. 6, the mold piece 9 has a joint portion 9a for joining the plate 6 on one side, and a mold surface 9h that comes into close contact with the side edge of the panel A on the other side. has a bottle hole 10 through which the joint bottle 7 of the play 1-6 passes.
すなわち、プレー１−６と型片９は第７図に示すように
接合ビン７をビン孔１０に通すことによって接合面６ａ
と接合部９ａで接合するものである。このようなサイド
コンベア４では、型片９の交換が容易であり、同一の製
造装置で複数種のパネルＡを製造することが可能となる
。なお、型片９はダブルコンベア上内では第３図に示す
ように上、下コンベア２．３に挟持された状態となるた
め、単にプレート６に接合ピン７とピン孔１０による装
着だけでも上下のガタッキがないものとなる。That is, the plate 1-6 and the mold piece 9 are bonded at the joint surface 6a by passing the joint bottle 7 through the bottle hole 10 as shown in FIG.
and is joined at the joint portion 9a. In such a side conveyor 4, the mold pieces 9 can be easily replaced, and a plurality of types of panels A can be manufactured using the same manufacturing device. Furthermore, when the mold piece 9 is on the double conveyor, it is held between the upper and lower conveyors 2.3 as shown in FIG. There will be no looseness.
以上説明したのは、本発明に係る複合パネル製造装置の
一実施例にすぎず、サイドコンベアエに離型剤を付着さ
せながらダブルコンベア上内に移送することも可能であ
る。また第８図（ａ）〜（ｄ）に示すようなプレート６
を用いることも可能である。What has been described above is only one embodiment of the composite panel manufacturing apparatus according to the present invention, and it is also possible to transfer the composite panel onto the double conveyor while attaching a mold release agent to the side conveyor. Also, a plate 6 as shown in FIGS. 8(a) to (d)
It is also possible to use
すなわち（ａ）図は接合ピン７にテーバをつけたプレー
ト６、（ｂ）図は接合ピン７を角柱状にしたプレート６
、（Ｃ）、（ｄ）図は接合面６ａに突起、あるいは図示
しないが凹溝を設けたプレート６である。なお、（Ｃ）
、（ｄ）図に示すようなプレート６を用いる場合、型片
９の接合部９ａもこれに対応する形状となる。In other words, (a) shows a plate 6 in which the joining pin 7 is tapered, and (b) shows a plate 6 in which the joining pin 7 is made into a prismatic shape.
, (C) and (d) show a plate 6 in which a protrusion or a groove (not shown) is provided on the joint surface 6a. In addition, (C)
, (d) When using the plate 6 as shown in the figure, the joint portion 9a of the mold piece 9 also has a shape corresponding to this.
もちろん、（ａ）〜（ｄ）図を各４組み合わせたプレー
ト６を用いることも可能である。またプレート６と型片
９は第９図に示すように異なる厚さとすることも可能で
ある。さらに、第１図（ａ）、（ｂ）に−点鎖線で示す
ようにダブルコンベア上をカバー１３で覆ったり、ある
いは図示しないがダブルコンベア上内に加熱装置を付加
し、芯材りの反応を助長させることも可能である。Of course, it is also possible to use a plate 6 that combines four of each of the figures (a) to (d). The plate 6 and mold piece 9 can also have different thicknesses, as shown in FIG. Furthermore, as shown by the dashed line in FIGS. 1(a) and 1(b), the top of the double conveyor is covered with a cover 13, or a heating device (not shown) is added inside the top of the double conveyor, so that the reaction of the core material increases. It is also possible to encourage
上述したように本発明に係る複合パネル製造装置によれ
ば、パネルの形状が複雑であっても両側縁からの芯材の
漏洩を防止することが可能である。As described above, according to the composite panel manufacturing apparatus according to the present invention, even if the shape of the panel is complicated, it is possible to prevent core material from leaking from both side edges.
また、サイドコンベアにて上、下コンベアとパネル側縁
間の空隙を閉塞するため、芯材の発泡圧による変形がな
い。しかも、芯材の発泡、流動によって上下面材が蛇行
するのをサイドコンベアで阻止することができ、均一／
１発泡組織のパネルを製造することができる。等の効果
、特徴がある。Furthermore, since the side conveyor closes the gap between the upper and lower conveyors and the side edges of the panel, there is no deformation of the core material due to foaming pressure. Moreover, the side conveyor can prevent the upper and lower surface materials from meandering due to foaming and flow of the core material, resulting in uniform/
1 foam tissue panels can be manufactured. It has the following effects and characteristics.
第１図（ａ）、（ｂ）は本発明に係る複合パネル製造装
置の代表的一実施例を説明する説明図、第２図（ａ）〜
（１）は本発明に係る装置を用いて製造される複合パネ
ルの例を示す説明図、第３図はサイドコンベアを説明す
る説明図、第４図、第５図、第６図、第７図はサイドコ
ンベアの一例を説明する説明図、第８図（ａ）〜（イ）
、第９図はその他の実施例を説明する説明図である。
工・・・ダブルコンベア成形機、土・・・サイドコンベ
ア、５・・・チェーン部、８・・・型部。
第１図
（Ｉ２）
上・・
工・ ・
５ ・ ・
８ ・ ・
・ダブルコンベア成形機
・サイドコンベア
・チェーン部
・型部
第
１
図
４
Ｌ（ｈ
（）＋１
ｓ＝””−’−
第２図
＋ｒ）
＜４
−−二＝二］ｒ
ｉｌｌ デへｒノ（）
第
図
（Ｊ）
（ａ＋
第
、３
図
第
一
図
第
５
図
ｂ
第
図
第
図
第
図FIGS. 1(a) and 1(b) are explanatory diagrams illustrating a typical embodiment of the composite panel manufacturing apparatus according to the present invention, and FIGS.
(1) is an explanatory diagram showing an example of a composite panel manufactured using the apparatus according to the present invention; FIG. 3 is an explanatory diagram illustrating a side conveyor; FIGS. 4, 5, 6, and 7 The figure is an explanatory diagram illustrating an example of a side conveyor, Figures 8 (a) to (a)
, FIG. 9 is an explanatory diagram illustrating another embodiment. Engineering: Double conveyor molding machine, Earth: Side conveyor, 5: Chain section, 8: Mold section. Fig. 1 (I2) Upper... Machining... 5... 8... Double conveyor molding machine/Side conveyor/Chain section/Mold section No. 1 Fig. 4 L(h()+1 s=””-'- No. 2+r) <4 --2=2]r ill dehe rノ() fig.(J) (a+ th, 3 fig. 1 fig. 5 fig. b fig. fig. fig. fig.
Claims (1)
れた上下面材間に合成樹脂発泡体原料を注入した状態で
挟圧搬送しながら複合パネルを形成する製造装置におい
て、少なくとも前記合成樹脂発泡体原料が発泡する領域
に前記複合パネルの両側に複合パネルの側端縁と同じ型
形状のサイドコンベアを配したことを特徴とする複合パ
ネル製造装置。(1) In a manufacturing apparatus that is composed of a pair of upper and lower conveyors and forms a composite panel while conveying under pressure a synthetic resin foam raw material injected between upper and lower surface materials molded into a predetermined shape, at least the synthetic resin foam A composite panel manufacturing apparatus characterized in that side conveyors having the same shape as the side edges of the composite panel are arranged on both sides of the composite panel in a region where the body raw material is foamed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1202406A JP2935856B2 (en) | 1989-08-03 | 1989-08-03 | Composite panel manufacturing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1202406A JP2935856B2 (en) | 1989-08-03 | 1989-08-03 | Composite panel manufacturing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0365316A true JPH0365316A (en) | 1991-03-20 |
| JP2935856B2 JP2935856B2 (en) | 1999-08-16 |
Family
ID=16456982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1202406A Expired - Lifetime JP2935856B2 (en) | 1989-08-03 | 1989-08-03 | Composite panel manufacturing equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2935856B2 (en) |
-
1989
- 1989-08-03 JP JP1202406A patent/JP2935856B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2935856B2 (en) | 1999-08-16 |
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