JPS59133052A - Method of controlling size and shape of gypsum board - Google Patents
Method of controlling size and shape of gypsum boardInfo
- Publication number
- JPS59133052A JPS59133052A JP58006597A JP659783A JPS59133052A JP S59133052 A JPS59133052 A JP S59133052A JP 58006597 A JP58006597 A JP 58006597A JP 659783 A JP659783 A JP 659783A JP S59133052 A JPS59133052 A JP S59133052A
- Authority
- JP
- Japan
- Prior art keywords
- board
- gypsum board
- forming rolls
- slurry
- forming
- 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
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Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
本発明は石碑ボードの平面度及び厚さと高精度に制御し
得る方法に関し、これによって製品の均−化及び歩１１
ｉ９の向上を企図したものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for controlling the flatness and thickness of stone monument boards with high precision, thereby achieving uniformity of the product and
This is intended to improve the i9.
従来の石膏ボードの＃遣方法の一つとして最も一般的な
ものにロール式ボード成形方法がある。このロール式ボ
ード成形方法は、上紙・と下樵との間にスラリー状の石
膏ボード原料を介在さぜ、製造されるボードの厚みに対
応して間隔を調整した上下一対の成形ロールにこれらを
通してグリーンボードとし、硬化後に一定長毎に切断す
るようにしたものである。この場合、石膏ボードの平面
度は成形ロールの回転むらやその軸受の精度或いは成形
ロールの偏心状態、更にスラリー状の石膏ボード原料の
供給量やその軟度等で大きく左右されることが判明して
いる。One of the most common conventional gypsum board forming methods is the roll board forming method. This roll-type board forming method involves interposing slurry-like gypsum board raw materials between an upper paper and a lower wood, and then rolling them onto a pair of upper and lower forming rolls whose spacing is adjusted according to the thickness of the board to be manufactured. It is made into a green board through which it is cut into fixed lengths after it hardens. In this case, it has been found that the flatness of the gypsum board is greatly affected by the uneven rotation of the forming roll, the accuracy of its bearings, the eccentricity of the forming roll, the amount of supply of slurry-like gypsum board raw material, its softness, etc. ing.
このため、従来の石膏ボードにおいてはスラリー状の石
骨ボード原料の供給量やその性状変化等によつエボード
の幅方向及び長手方向に沿って厚さのばらつきが生じ、
平面度が余り良好ではなくて品質むらを小さくすること
ができなかった０ 。For this reason, in conventional gypsum boards, variations in thickness occur along the width and length directions of the ebode due to the supply amount of slurry stone board raw material and changes in its properties.
0 because the flatness was not very good and it was not possible to reduce the uneven quality.
ところで、一部で行なわれている石膏ボードのプレート
成形方法は、製造されるボードの厚さに対応して間隔が
調整された上”ド一対の成形プレートにスラリー状の石
膏ボード原料を上紙及び下紙と共に辿してクリーンボー
ドとするものであり、石骨ホードの平面度に関Ｅ７ては
前述したロール式のものよりも比較的優れている。By the way, the plate forming method for gypsum board that is used in some places involves applying a slurry of gypsum board raw material to a pair of forming plates whose spacing is adjusted according to the thickness of the board to be manufactured. The flatness of the stone frame hoard is relatively superior to the roll type mentioned above in terms of flatness.
しかし、石膏ボード原料中にボードの厚さよりも厚い固
形物が混入していると、成形ブｖ−）には成形ロールの
ような破砕能力が全くないため、成形プレートに引掛か
って上紙や下紙を破いてし１い、製造ラインの停止及び
製品歩留りの低下を招来してしまう欠点があった・本発
明は上述した石膏ホードの製造に際して従来方法の欠点
？改善し、成形ロールによる方法の長所と成形プレート
による方法の長所とを巧みに組み合わせて平面度が良好
で厚き・ん均一な石膏ボードを高歩留りで製造し得る方
法と提供することを目的とする◎
このｈ的を達成する第１＠目の本発明の石膏ボードの寸
法形状制御方法にかかる構成は、上紙と下紙との間にス
ラリー状の石膏ボード原料を介在させ、これらを上下一
対の成形ロールに通して所定厚のグリーンボードとした
のち、このクリーンボードを前記成形ロールの後方に設
置された上下一対の修正プレートの間を通し、戸該グリ
ーンボードの平面度を壜直向上させるようにしたことを
特徴とするものである。又、第二番目の本発明の石膏ボ
ードの寸法形状制御方法に刀）かる構成は、上紙と下紙
との間にスラリー状の石膏ボード原料を介在させ、これ
らを上下一対の成形ロールに通してグリーンボードとし
たのち、このクリーンボードを前記成形ロールの後方に
一定間爾で固設された土工一対の修正プレートの間を通
す一方、前記修正プレートに負荷する抵抗を一定の範囲
に収めて前記りＩＪ−ンボードの厚さが一定となるよう
にしたことを特徴とするものでろる〇
以下、本発明による石膏ホードの寸法形状制御方法の一
実施例についてその主要部の概略を表す第１図及びグリ
ーンボードの厚さ検出手段を表す第２図を参照しながら
詳細に説明する。However, if the gypsum board raw material contains solids that are thicker than the board, the forming plate v-) does not have the crushing ability of a forming roll at all, so it gets caught on the forming plate and causes the upper paper and lower paper to be crushed. There was a drawback that tearing the paper caused the production line to stop and the product yield to decrease.The present invention solves the drawbacks of the conventional method when manufacturing the above-mentioned gypsum hoard. The purpose of the present invention is to provide a method for producing thick and uniform gypsum board with good flatness at a high yield by skillfully combining the advantages of the forming roll method and the forming plate method. ◎ The configuration of the first gypsum board size and shape control method of the present invention that achieves this objective is to interpose slurry-like gypsum board raw material between the top paper and the bottom paper, and to separate these from above and below. After making a green board of a predetermined thickness by passing it through a pair of forming rolls, this clean board is passed between a pair of upper and lower correction plates installed behind the forming rolls to improve the flatness of the green board. This feature is characterized in that it allows the user to In addition, in the second method of controlling the size and shape of a gypsum board according to the present invention, a slurry-like gypsum board raw material is interposed between the top paper and the bottom paper, and these are passed through a pair of upper and lower forming rolls. After passing this clean board through a pair of earthwork correction plates fixed at a certain distance behind the forming roll, the resistance applied to the correction plate is kept within a certain range. This is characterized by the fact that the IJ-board has a constant thickness.Hereinafter, the main parts of an embodiment of the method for controlling the size and shape of a gypsum hoard according to the present invention will be explained. This will be explained in detail with reference to FIG. 1 and FIG. 2, which shows a means for detecting the thickness of a green board.
±ａｌｌ及び下紙１２及びこれらの間に介在するスラリ
ー状の石膏ボード原料１３が送り込まれる上下一対の成
形ロール１４，１５の後方には、ζ、の成形ロール１４
，１５によって所定厚さに成形されたグリーンボード１
６を硬化させる成形ベルトコンベヤ１７が配置されてお
り、この成形ベルトコンベヤ１７と成形ロール１４゜１
５との間にクリーンボード１６の平面度を一定に保持す
る上下一対の修正プレー）１８．１９が配置されている
。なお、修正プレート１８゜１９は成形ベルトコンベヤ
１７倉挾んで対向するように設置しても良いし、成形ベ
ルトコンベヤ１７が被数ある場合に／ｒｉ成形ロール１
４．１５側の成形ベルトコンベヤ１７の後方に設けるこ
とも可能である。下側の成形ロール１４及び修正プレー
ト１８の土端面／ｒｉ成形ベルトコンベヤ１７の上端面
と面一となるように位置決めされており、上端の成形ロ
ール１５及び修正プレー）１８は製造される石膏ボード
の厚きに対応して昇降可能となっているが、上側の成形
ロール。Behind the pair of upper and lower forming rolls 14 and 15 into which the bottom paper 12 and the slurry-like gypsum board raw material 13 interposed between them are fed, there is a forming roll 14 of ζ.
, 15 to a predetermined thickness.
A forming belt conveyor 17 for curing 6 is disposed, and this forming belt conveyor 17 and forming rolls 14° 1
A pair of upper and lower correction plates 18 and 19 for keeping the flatness of the clean board 16 constant are arranged between the cleaning board 16 and the cleaning board 16. Note that the correction plates 18 and 19 may be installed so as to face the forming belt conveyor 17 between them, or when there are a number of forming belt conveyors 17, the correction plates 18 and 19 may be installed so as to face the forming belt conveyor 17.
It is also possible to provide it behind the forming belt conveyor 17 on the 4.15 side. The soil end surfaces of the lower forming roll 14 and correction plate 18 are positioned to be flush with the upper end surface of the RI forming belt conveyor 17, and the upper forming roll 15 and correction plate 18 are used for manufacturing the gypsum board. The upper forming roll can be raised and lowered depending on the thickness of the roll.
１５は図示しない制＃装置によって作動を制御ちれる駆
動モータ２０により石膏ボードの製造中であっても任意
に下側の成形ロール１４に対して接近離反自在となる０
又、上側の修正プレート１９の下面前部はテーバ状に開
口し、上紙１１が修正プレート１９に引ＩＡかって破損
してしまわないようになっている。本実施例では、修正
プレート１８．１９とグリーンホード１６との接触状態
と検知するため、図示しｌい突気供給源に接続する全気
供鞄路２１が上側の修正プレー）１９ｉ貫通するように
形成され、更にこの金気供給路２１から分岐してこの空
気供給路２１内の窒気圧を検出する圧力計２２が当該突
気供給路２１に付設ちれている。前述した制御装置はこ
の圧力計２２からの信号に応じてこの値がめらかじめ設
置された値となるように前記駆動モータ２０の作動を制
御するようになっ１いる＠つま９、圧縮９気をを気供給
路２１からグリ−ンホード１６の表面に吹き付けて全党
背圧を測定する一方、成形ロール１４．１５の間隔を調
整することにより、この窒気背圧が一定の設定値内に収
まるようになっている０な２、を気背圧の変動が大きい
場合には、この成形ロール１４゜１５０間隔の調整の他
にスラリー状の石・Ｕボード原料１３の供給量やその軟
度或いは成形ロール１４．１５が同期回転する成形ベル
トコンベヤ１７の搬送速度を単独或いはこれらを組み合
わせて調整すると良い。このように、本実施例では修正
プレー）１８．１９に負荷する抵抗を検知する手段とし
１上側の修正プレー）１９とクリーンボード１６との間
に圧縮窒気を送り、）１８．１９又はその後方にスラリ
ー状の石膏ボード原料１３の供給量や性状或いは修正プ
レート１８．１９に負荷する荷重変化やクリーンボード
１７と修正プレー）１９間の隙間の変化、更には形成さ
れたボードの厚さの変化等を検出する装置を設置し、こ
の石膏ボード原料１３の供給量ｆ性状から間接的に修正
プレー）１８．１９に負荷する抵抗を検知するようにし
ても良く、具体的には例えば成形ロール１４．１５或い
は修正プレート１８．１９に作用する反力の変動をロー
ドセル等で検出したり、成形ロール１４゜１５の前方で
のスラリー状の石骨ボード原料１３の供給貯蔵量を検出
したりすることにより、成形ロール１４．１５の間隔又
は石膏ボード原料１３のり１１又はその軟度或いは成形
ベルトコンベヤ１７の搬送速度をそれぞれ単独か或いは
任ｔＫｍみ合わせて修正プレー）１８．１９に負荷する
抵抗を一定の範囲に収める・なお、不実ね例の冥験によ
ると、製品となる石電ボードの厚さの目標値をａＯミリ
メートルとした時、圧力計２２の読みで１００ｔｎｎＡ
７．、〜１３０＋ｕＡ、ｇ の範囲を維持することによ
り、その厚さをａ９６ミリメードル〜１０４ミリメート
ルの範囲に収めることができた０なフ・、これ以下の圧
力では上側の修正プレート１９とクリーンボード１６と
の間に隙間が形成されてしまい、厚さが博くなってし１
つと共にその平面度も低下する。又、１３０ ｔａｎＡ
、ｇより圧力が高いと厚さが目標値よりＡ’ ＜ ｉｆ
ｉってし逢うと共にり“リーンホード１６０両端刀）ら
石膏ボード原料１３が洩出してしまうことが判明した０
更に、石膏ボード一枚首りの幅方向（図中、紙面に対し
て垂直な方向）の厚さのばらつきの変化を従来の成形ロ
ールのみを用いた場合のα０９ミリメートル〃）ら００
４ミリメートル以下に１で小さくすることができた＠従
って、製品となる石−ｆＩＩ’ホードの厚さに対応して
上側の修正プレート１９の昇降位Ｗを固定しておき、こ
の時の圧力Ｈ１２２の許容範囲をあらかじめ制御装置に
入力し′Ｃおいたのち、圧縮９気を９気供給路２１から
グリーンボード１６と上側の修正プレート１９との間に
送給すると共に成形ロール１４．１５を駆動回転してグ
リーンボード１６を形成する。この時、スラリー状の石
膏ボード原料１３内に混入した固形物ＩＩｉ成形ロール
１４．１５により粉砕圧縮きれてしまうため、修正プレ
ー）１８．１９に固形物が引掛かって上紙１１或いは下
紙１２を破損してしまう威がない。グリーンボード１６
は修正プレート１８，１９の間を通過しながらその平面
度が修正されて上紙１１が下紙１２と平行になるが、圧
力計２２の検出値が常に一定となるように駆動モータ２
０が上側の成形ロール１５１に常時昇降させ、厚さの鯛
整を行なっている。Reference numeral 15 is a drive motor 20 whose operation is controlled by a control device (not shown), which allows it to move toward and away from the lower forming roll 14 at will even during the manufacture of gypsum board.
Further, the lower front part of the upper correction plate 19 is opened in a tapered shape to prevent the upper paper 11 from being pulled by the correction plate 19 and damaged. In this embodiment, in order to detect the state of contact between the correction plates 18 and 19 and the green hoard 16, the full air supply bag passage 21 connected to the gust supply source (not shown) passes through the upper correction plate 19i. Further, a pressure gauge 22 is attached to the gas supply path 21, which branches off from the gas supply path 21 and detects the nitrogen pressure within the air supply path 21. The aforementioned control device controls the operation of the drive motor 20 in response to the signal from the pressure gauge 22 so that this value becomes a smoothly set value. While measuring the total back pressure by spraying nitrogen gas from the air supply path 21 onto the surface of the green hoard 16, by adjusting the spacing between the forming rolls 14 and 15, this back pressure can be kept within a certain set value. If there are large fluctuations in air back pressure, in addition to adjusting the spacing of the forming rolls 14° and 150°, the supply amount of slurry-like stone/U-board raw material 13 and its softness may be adjusted. Alternatively, the conveyance speed of the forming belt conveyor 17 in which the forming rolls 14 and 15 rotate synchronously may be adjusted alone or in combination. In this way, in this embodiment, compressed nitrogen is sent between the upper correction play 19 and the clean board 16 to detect the resistance applied to the correction play 18.19 or thereafter. On the other hand, changes in the supply amount and properties of the slurry-like gypsum board raw material 13, changes in the load applied to the correction plates 18 and 19, changes in the gap between the clean board 17 and the correction plate 19, and even the thickness of the formed board A device for detecting changes, etc. may be installed to indirectly detect the resistance applied to the correction play) 18.19 based on the supply amount f properties of this gypsum board raw material 13. Specifically, for example, the resistance applied to the forming roll 14.15 Or detect the fluctuation of the reaction force acting on the correction plate 18.19 with a load cell or the like, or detect the supply and storage amount of the slurry-like stone board raw material 13 in front of the forming rolls 14 and 15. By adjusting the distance between the forming rolls 14.15, the gypsum board raw material 13, the glue 11 or its softness, or the conveyance speed of the forming belt conveyor 17, either alone or in combination with each other, the resistance to be applied to (18.19) can be adjusted. Keep it within a certain range.According to an untrue experience, when the target value of the thickness of the stone electric board as a product is aO mm, the reading of the pressure gauge 22 is 100tnnA.
7. By maintaining the range of , ~130+uA,g, the thickness could be kept within the range of 96 mm to 104 mm.If the pressure is lower than this, the upper correction plate 19 and the clean board 16 A gap is formed between the parts, and the thickness increases.
Along with this, its flatness also decreases. Also, 130 tanA
, if the pressure is higher than g, the thickness will be less than the target value A'< if
As soon as we met, it was discovered that gypsum board raw material 13 was leaking from the lean hoard 160 double-ended sword.
Furthermore, the variation in thickness of a single piece of gypsum board in the width direction (direction perpendicular to the plane of the paper in the figure) when using only conventional forming rolls was calculated from α09 mm〃) to 00.
It was possible to reduce the height by 1 to 4 mm or less @ Therefore, the vertical position W of the upper correction plate 19 was fixed in accordance with the thickness of the product stone fII' hoard, and the pressure H122 at this time was fixed. After entering the allowable range into the control device in advance, compressed air is fed from the air supply path 21 between the green board 16 and the upper correction plate 19, and the forming rolls 14 and 15 are driven. The green board 16 is formed by rotation. At this time, the solids mixed into the slurry-like gypsum board raw material 13 are crushed and compressed by the forming rolls IIi (IIi), so the solids are caught in the correction play 18 and 19 and the upper paper 11 or the lower paper 12 is There is no chance of it being damaged. green board 16
passes between the correction plates 18 and 19, its flatness is corrected so that the upper paper 11 becomes parallel to the lower paper 12, but the drive motor 2 is operated so that the detected value of the pressure gauge 22 is always constant.
The molding roll 151 with 0 on the upper side is constantly moved up and down to adjust the thickness of the sea bream.
なお、本実施例ではグリーンボード１６と修正プレート
１９との接触状態を検出して上側の成形ロール１５ｉ昇
降させるようにしてい′るが、スラリー状の石膏ボード
原料１３の供給量や性状がほぼ一足の場合には、製品と
なる石膏ボードの厚さに対応してあら刀為じめ成形ロー
ル１４゜１５の間隔及び修正プレー）１８，１９の間隔
を設定しておくだけでも厚さ及び平面度の良好な石・げ
ボードを製造することができる。In this embodiment, the upper forming roll 15i is raised and lowered by detecting the contact state between the green board 16 and the correction plate 19, but the supply amount and properties of the slurry-like gypsum board raw material 13 are almost constant. In this case, you can adjust the thickness and flatness by simply setting the spacing of the damp forming rolls (14° and 15) and the spacing of correction plays (18 and 19) according to the thickness of the gypsum board that will be the product. It is possible to manufacture high-quality stone and stone boards.
このように本発明の石膏ボードの寸法形状制御方法によ
ると、成形ロールの後方に修正プレートラ配置したので
、スラリー状の石膏ボード原料中に混入している固形物
が引掛かって上紙或いは下紙が破損してし１う虞がなく
なジ、しかも修正プレートによってグリーンボードの平
面度が大幅に改善される。又、修正プレートに負荷する
抵抗が一定の範囲に収まるように成形ロールの間隔金調
贅するようにしたので、グリーンボードの厚さを均一に
することが可能上なり、この結果、均一な品質の良好な
石膏ボードを連続的に大量生産することができるＯAs described above, according to the gypsum board size and shape control method of the present invention, since the correction plate roller is arranged behind the forming roll, solids mixed in the slurry-like gypsum board raw material are caught and become the top paper or the bottom paper. There is no risk of damage to the green board, and the flatness of the green board is greatly improved by the correction plate. In addition, the spacing between the forming rolls is adjusted so that the resistance applied to the correction plate is within a certain range, making it possible to make the thickness of the greenboard uniform, resulting in uniform quality. It is possible to continuously mass-produce high-quality gypsum board.
第１図は本発明による石膏ボードの寸法形状制御方法の
一実施例の概略ａ成を表す概念図、符号で、
１１はＪ：租、
１２は下厭、
１３はスラリー状の石膏ボード原料、
１４．１５は成形ロール、
１６はグリーンボード、
１８．１９は修正プレート、
２０は駆動モータ、
２１は突気供給路、
２２に圧力計である０FIG. 1 is a conceptual diagram showing a schematic configuration of an embodiment of the method for controlling the size and shape of a gypsum board according to the present invention, with reference numerals: 11 is J: tax, 12 is a grain, 13 is a slurry-like gypsum board raw material, 14.15 is a forming roll, 16 is a green board, 18.19 is a correction plate, 20 is a drive motor, 21 is a gust supply path, and 22 is a pressure gauge.
Claims (3)
ド原料を介在させ、これらを上下一対の成形ロールに通
し１所定厚のグリーンボードとしたのち、このクリーン
ホードを前記成形ロールの後方に設置された上下一対の
修正プレートの間を通し、当該グリーンボードの平面度
を同上させるようにしたことを特徴とする石膏ボードの
寸法形状制御方法ｏａ(1) A slurry of stone and board raw materials is interposed between the top paper and the bottom paper, and after passing these through a pair of upper and lower forming rolls to form a green board of a predetermined thickness, this clean hoard is passed through the forming rolls. A method for controlling the size and shape of a gypsum board, characterized in that the flatness of the green board is adjusted to the same level by passing between a pair of upper and lower correction plates installed at the rear of the board.
を介在させ、これらを上下一対の成形ロールに通してグ
リーンボードとしたのち、このグリーンボードを前記成
形ロールの後方に一定間尚で設置された上下一対の修正
プレートの間を通す一万、前記修正プレートに負荷する
抵抗ｒ一定の′＆囲に取めて前記クリーンボードの厚さ
が一定となるようにしたことを特徴とする石膏ボードの
寸法形状制御方法。(2) A slurry-like gypsum board raw material is interposed between the upper paper and the lower paper, and after passing these through a pair of upper and lower forming rolls to form a green board, this green board is placed behind the forming rolls for a certain period of time. Furthermore, the thickness of the clean board is made to be constant by setting the resistance r applied to the correction plate at a constant value r to pass between the pair of upper and lower correction plates installed in the above. A method for controlling the size and shape of gypsum board.
膏ボード原料の供給量又はこのスラリー状の石膏ボード
原料の軟度或いは前記成形ロールの後方に設置されてこ
の成形ロールが同期回転する成形ベルトコンベヤの搬送
速度をそれぞれ単独か或いは組与合わぜて制御すること
により、修正プレートに負荷する抵抗を一定の範囲に収
めるようにしたことを特徴とする特許請求の範囲第２項
に記載した石膏ボードの寸法形状制御方法〇(3) h! 1. The spacing between the shaping rolls, the supply amount of the slurry-like gypsum board raw material, the softness of this slurry-like gypsum board raw material, or the conveyance speed of the forming belt conveyor installed behind the forming rolls and in which the forming rolls rotate synchronously, respectively. A method for controlling the size and shape of a gypsum board as set forth in claim 2, characterized in that the resistance applied to the correction plate is controlled within a certain range by controlling it alone or in combination. 〇
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58006597A JPS59133052A (en) | 1983-01-20 | 1983-01-20 | Method of controlling size and shape of gypsum board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58006597A JPS59133052A (en) | 1983-01-20 | 1983-01-20 | Method of controlling size and shape of gypsum board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59133052A true JPS59133052A (en) | 1984-07-31 |
| JPH0218239B2 JPH0218239B2 (en) | 1990-04-24 |
Family
ID=11642735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58006597A Granted JPS59133052A (en) | 1983-01-20 | 1983-01-20 | Method of controlling size and shape of gypsum board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59133052A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005206193A (en) * | 2004-01-22 | 2005-08-04 | Sankyo System:Kk | Automatic compressing device for stabilizing packaging shape |
| JP2008296523A (en) * | 2007-06-02 | 2008-12-11 | Yoshino Gypsum Co Ltd | Gypsum board former and method for manufacturing gypsum board |
| JP2017160013A (en) * | 2016-03-09 | 2017-09-14 | 株式会社三鈴エリー | Sticking device for gypsum board sheet |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB769414A (en) * | 1953-05-13 | 1957-03-06 | Saint Gobain | A process for the manufacture of boards of plaster or like material by continuous rolling or pressing |
-
1983
- 1983-01-20 JP JP58006597A patent/JPS59133052A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB769414A (en) * | 1953-05-13 | 1957-03-06 | Saint Gobain | A process for the manufacture of boards of plaster or like material by continuous rolling or pressing |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005206193A (en) * | 2004-01-22 | 2005-08-04 | Sankyo System:Kk | Automatic compressing device for stabilizing packaging shape |
| JP2008296523A (en) * | 2007-06-02 | 2008-12-11 | Yoshino Gypsum Co Ltd | Gypsum board former and method for manufacturing gypsum board |
| WO2008149624A1 (en) * | 2007-06-02 | 2008-12-11 | Yoshino Gypsum Co., Ltd. | Apparatus and method for manufacturing gypsum board |
| AU2008259157B2 (en) * | 2007-06-02 | 2012-09-06 | Yoshino Gypsum Co., Ltd. | Apparatus and method for manufacturing gypsum board |
| US8382923B2 (en) | 2007-06-02 | 2013-02-26 | Yoshino Gypsum Co., Ltd. | Apparatus and method for manufacturing gypsum board |
| TWI422732B (en) * | 2007-06-02 | 2014-01-11 | Yoshino Gypsum Co | Gypsum board manufacturing device and gypsum board manufacturing method |
| JP2017160013A (en) * | 2016-03-09 | 2017-09-14 | 株式会社三鈴エリー | Sticking device for gypsum board sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0218239B2 (en) | 1990-04-24 |
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