JPH08103159A - Formed rock wool culture medium - Google Patents
Formed rock wool culture mediumInfo
- Publication number
- JPH08103159A JPH08103159A JP6266106A JP26610694A JPH08103159A JP H08103159 A JPH08103159 A JP H08103159A JP 6266106 A JP6266106 A JP 6266106A JP 26610694 A JP26610694 A JP 26610694A JP H08103159 A JPH08103159 A JP H08103159A
- Authority
- JP
- Japan
- Prior art keywords
- rock wool
- granulated
- adhesive
- rockwool
- culture medium
- 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
Classifications
-
- Y02P60/216—
Landscapes
- Cultivation Of Plants (AREA)
- Hydroponics (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、野菜等のハウス栽培や
道路などの傾斜土壌側面に草木を植え付ける栽培用培地
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cultivation medium for cultivating vegetables and the like in greenhouses and for cultivating plants on the side of inclined soil such as roads.
【０００２】[0002]
【従来の技術】従来、粒状化ロックウールは野菜等の培
地として平箱に敷き詰めたり、実開平２−３６９５６に
示されるように粒状化ロックウールを袋状物に入れて使
用されている。平箱に敷き詰める方法は粒状化ロックウ
ールを詰め込んだ袋から取り出し均一な厚さに敷き詰め
るので粒状化ロックウールの微粉が汗ばんだ皮膚を刺激
したり、マスクをするなど大変な困難と手間の掛かる作
業方法である。また実開平２−３６９５６に示される方
法では粒状化ロックウールの微粉による問題は解決され
るが道路などの傾斜土壌側面に用いると袋状物の中の粒
状化ロックウールが袋内でより低い位置に自由に移動す
るため傾斜側面に沿って均一な厚さを保つことができず
播種や定植に支障を来すなどの問題がある。2. Description of the Related Art Conventionally, granulated rock wool has been used as a medium for vegetables or the like by spreading it in a flat box or by putting the granulated rock wool in a bag as shown in Japanese Utility Model Laid-Open No. 2-36956. The method of spreading in a flat box is to take out from a bag packed with granulated rock wool and spread it on a uniform thickness, so fine powder of granulated rock wool will irritate sweated skin, masking, etc. Is the way. Further, the method shown in Japanese Utility Model Laid-Open No. 2-36956 solves the problem caused by the fine powder of granulated rock wool, but when it is used on the side of a sloped soil such as a road, the granular rock wool in the bag-like material is located at a lower position in the bag. Since it moves freely, it is not possible to maintain a uniform thickness along the inclined side surface, which causes problems such as sowing and planting.
【０００３】[0003]
【発明が解決しようとする課題】本発明は前記問題を解
決し、粒状化ロックウールの優れた保水性および通気性
を維持すると共に粉塵の立たない取扱い性の良いロック
ウール成型培地を提供することを課題とする。DISCLOSURE OF THE INVENTION The present invention solves the above problems and provides a rockwool molding medium which maintains the excellent water retention and air permeability of granulated rockwool and is free from dust and which is easy to handle. Is an issue.
【０００４】[0004]
【課題を解決するための手段】前記課題を解決する、請
求項１の発明は、粒状化ロックウールが互いに接着剤で
結合しているロックウール成型培地であり、刺激感がな
く取扱い性が良いことを特徴とする。In order to solve the above-mentioned problems, the invention of claim 1 is a rockwool molding medium in which granulated rockwools are bonded to each other by an adhesive and has no irritation and is easy to handle. It is characterized by
【０００５】請求項２の発明は、接着剤で結合した粒状
化ロックウールが通根性不織布に貼着しているロックウ
ール成型培地であり、粒状化ロックウールの移動がなく
取扱い性がよい。また、保水性が良く作物の根部に適す
るとともに柔軟性を有することを特徴とする。The invention of claim 2 is a rockwool molding medium in which granulated rockwool bonded with an adhesive is adhered to a rooting nonwoven fabric, and the granulated rockwool does not move and is easy to handle. It is also characterized by having good water retention properties, being suitable for the roots of crops and having flexibility.
【０００６】請求項３の発明は、接着剤で結合した粒状
化ロックウールが不通根性不織布に貼着しているロック
ウール成型培地である。A third aspect of the present invention is a rockwool molding medium in which granulated rockwool bonded with an adhesive is adhered to a non-root non-woven fabric.
【０００７】以下本発明について説明する。本発明の粒
状化ロックウールはスラグ、珪酸質岩石、玄武岩、石灰
石等の原料を溶融、繊維化、集綿、積層したロックウー
ルをグラニュレーター等の設備によって所定量かきとり
次いでかきとったロックウールをトロンメル等の設備に
より回転させながら所定の径に粒状化したもの、または
ハンマーミル、リファイナー等で５〜３０ｍｍの大きさ
とし、ニーダー、ブレンダー等で所定の径に粒状化した
ものである。本発明のロックウール成型培地に用いられ
る粒径は１〜２５ｍｍ、嵩密度は０．０８〜０．２７ｇ
／ｃｍ3 であり、好ましくは粒径は２〜７ｍｍ、嵩密度
は０．１３〜０．１５ｇ／ｃｍ3 である。その理由は粒
径が１ｍｍより小さいと気層が減少するなどの欠点があ
り、２５ｍｍより大きいと液層が減少するためである。
また嵩密度が０．０８ｇ／ｃｍ3 より小さいと粒状が崩
れやすく、０．２７ｇ／ｃｍ3 より大きいと根の伸長を
妨げることと、単位面積当たりの使用量が増加し栽培資
材費が上昇するためである。The present invention will be described below. Granulated rock wool of the present invention is a slag, siliceous rock, basalt, limestone, and other raw materials are melted, fiberized, cotton collected, laminated rock wool is scraped by a predetermined amount by a facility such as a granulator and then scraped rock wool. The granules are granulated to a predetermined diameter while being rotated by equipment such as Trommel, or the granules are made to have a size of 5 to 30 mm by a hammer mill, a refiner or the like and granulated to a predetermined diameter by a kneader, a blender or the like. The particle size used in the rockwool molding medium of the present invention is 1 to 25 mm, and the bulk density is 0.08 to 0.27 g.
/ Cm 3 , the particle size is preferably 2 to 7 mm, and the bulk density is 0.13 to 0.15 g / cm 3 . The reason is that if the particle size is smaller than 1 mm, there is a drawback such as the gas layer being reduced, and if it is larger than 25 mm, the liquid layer is reduced.
Further, if the bulk density is less than 0.08 g / cm 3 , the granularity is likely to collapse, and if it is more than 0.27 g / cm 3 , the growth of roots is hindered and the usage amount per unit area is increased to increase the cultivation material cost. This is because.
【０００８】粒状化ロックウールの結合に使用される接
着剤としては澱粉、ポリビニルアルコール等の水溶性接
着剤、ＳＢＲ、ＣＲ等の合成ゴム系接着剤、フェノール
樹脂、メラミン樹脂等の熱硬化型または熱可塑性の接着
剤が使用される。Adhesives used for binding the granulated rock wool include water-soluble adhesives such as starch and polyvinyl alcohol, synthetic rubber adhesives such as SBR and CR, thermosetting adhesives such as phenol resin and melamine resin, or A thermoplastic adhesive is used.
【０００９】粒状化ロックウールへの接着剤の塗布方法
としては以下の方法がある接着剤溶液を粒状化ロックウ
ールに含浸混合し乾燥硬化する方法。この方法には澱
粉、ポリビニルアルコール等の水溶性接着剤が適する。
使用量は粒状化ロックウール１００重量部に対し８〜１
３重量部である。この方法で得られるロックウール成型
培地は硬く板状であるのでトマト、キュウリ、イチゴ等
の果菜類やバラ、ガーベラ等の切花類に使用する栽培床
に適する。The method of applying the adhesive to the granulated rock wool includes the following methods: A method of impregnating and mixing an adhesive solution into the granulated rock wool and drying and curing. Water-soluble adhesives such as starch and polyvinyl alcohol are suitable for this method.
The amount used is 8 to 1 per 100 parts by weight of granulated rock wool.
3 parts by weight. Since the rockwool molding medium obtained by this method is hard and plate-shaped, it is suitable for a cultivation bed used for fruit vegetables such as tomatoes, cucumbers and strawberries, and cut flowers such as roses and gerberas.
【００１０】接着剤溶液を粒状化ロックウールに吹き付
け乾燥硬化する方法。この方法には水溶性接着剤、合成
ゴム系接着剤、熱硬化型接着剤いずれも使用できるがＳ
ＢＲ、ＣＲ等の合成ゴム系接着剤を溶剤に溶解または分
散して霧状で吹き付ける場合には他の接着剤に比べ柔軟
性のあるロックウール成型培地が得られる。該ロックウ
ール成型培地は芝、牧草、傾斜土壌側面の緑化等に使用
するのに適する。A method of spraying an adhesive solution onto granulated rock wool and drying and curing. Any of water-soluble adhesives, synthetic rubber adhesives, and thermosetting adhesives can be used in this method.
When a synthetic rubber adhesive such as BR or CR is dissolved or dispersed in a solvent and sprayed in the form of a mist, a rockwool molding medium that is more flexible than other adhesives can be obtained. The rockwool molding medium is suitable for use in lawn, grass, greening of sloped soil side surfaces, and the like.
【００１１】スラグ、珪酸質岩石、玄武岩、石灰石等の
原料を溶融、繊維化する際接着剤をロックウール繊維に
吹き付け、該接着剤が未硬化の状態で粒状化しその後で
乾燥硬化する方法。この方法にはフェノール樹脂、メラ
ミン樹脂等の熱硬化型接着剤が適する。該方法で得られ
るロックウール成型培地は良好な保水性、通気性及び柔
軟性を有するので芝、牧草、傾斜土壌側面の緑化等に使
用するのに適する。A method in which a raw material such as slag, siliceous rock, basalt, limestone, etc. is melted and made into a fiber, an adhesive is sprayed onto rock wool fibers, and the adhesive is granulated in an uncured state and then dried and hardened. Thermosetting adhesives such as phenolic resins and melamine resins are suitable for this method. The rockwool molding medium obtained by this method has good water retention, air permeability and flexibility, and is therefore suitable for use in vegetation of grass, grass, sloped soil and the like.
【００１２】請求項２の発明に使用される通根性布帛と
は粒状化ロックウール培地で伸長した植物の根が布帛を
通して大地等に根を張ることができる布帛である。該布
帛は織布であっても不織布であっても根を通すと共に粒
状化ロックウールが容易に飛び出てこなければよい。通
根性布帛としては透光率８０％以上の布帛でたとえばユ
ニチカ（株）のパスライト等がある。また、実開平２−
３６９５６号に記載される布帛の細孔の径が５００〜１
０００μｍであることも１つの指標である。The root-permeable cloth used in the second aspect of the present invention is a cloth in which the roots of a plant elongated in the granulated rockwool medium can form roots through the cloth on the ground or the like. The cloth may be woven or non-woven so long as the granulated rock wool does not easily come out while passing through the root. The root-permeable cloth is a cloth having a light transmittance of 80% or more, such as Pathlite manufactured by Unitika Ltd. Also, the actual Kaihei 2-
No. 36956 has a pore diameter of 500 to 1
000 μm is also an index.
【００１３】請求項３の発明に使用される不通根性布帛
とは粒状化ロックウール培地で伸長した植物の根が布帛
を通さない布帛である。該布帛は織布であっても不織布
であっても根及び粒状化ロックウールが容易に飛び出て
こなければよい。不通根性布帛としては透光率６０％未
満の布帛でたとえばユニチカ（株）のラブシート２０５
０７ＦＬＤ等がある。また、実開平２−３６９５６号に
記載される布帛の細孔の径が１０μｍ以下であることも
１つの指標である。また布帛に銅化合物等の薬品を塗布
して根がでないようにしてもよい。この場合は布帛の細
孔の径は１０μｍよりある程度大きくてもよい。The non-rooting fabric used in the invention of claim 3 is a fabric in which the roots of a plant elongated in the granulated rockwool medium do not pass through the fabric. The cloth may be woven or non-woven so long as the roots and the granulated rock wool do not easily come out. As the non-rooting fabric, a fabric having a light transmittance of less than 60%, for example, Love sheet 205 manufactured by Unitika Ltd.
There is 07FLD etc. Further, the fact that the diameter of the pores of the cloth described in Japanese Utility Model Publication No. 2-36956 is 10 μm or less is also an index. Alternatively, the cloth may be coated with a chemical such as a copper compound so that the root does not exist. In this case, the diameter of the pores of the fabric may be larger than 10 μm to some extent.
【００１４】通根性布帛または不通根性布帛への粒状化
ロックウールの貼着は粒状化ロックウールを接着剤で結
合するのと同時にしてもよいし、粒状化ロックウールを
接着剤で結合した後通根性布帛または不通根性布帛と接
着剤によって貼着してもよい。The granulated rock wool may be attached to the root-permeable cloth or the non-root-permeable cloth at the same time as the granulated rock wool is bonded with an adhesive, or after the granulated rock wool is bonded with an adhesive. It may be attached to a root-permeable cloth or a non-root-permeable cloth with an adhesive.
【００１５】[0015]
【作用】本発明のロックウール成型培地は粒状化ロック
ウールと粒状化ロックウールが接着剤によって結合され
ているので傾斜地に施工しても粒状化ロックウールが低
い位置に移動することはなく、通根性布帛または不通根
性布帛を貼着したものは特にその取扱いが便利であり作
業能率が著しく向上する。さらに接着剤の塗布の方法等
によって硬い板状のものからフレキシブルなものまで自
由に選択製造できるので傾斜地、屋根上、屋上等等その
場に最も適した状態で野菜や草木を生育することができ
る。In the rockwool molding medium of the present invention, since the granulated rockwool and the granulated rockwool are bonded by the adhesive, the granulated rockwool does not move to a low position even when it is installed on a sloping ground. The one to which the root cloth or the non-root cloth is adhered is particularly convenient to handle and the work efficiency is remarkably improved. Furthermore, since it is possible to freely select and manufacture from hard plate-shaped to flexible ones by the method of applying an adhesive, it is possible to grow vegetables and plants in the most suitable condition on the spot such as slopes, roofs, roofs, etc. .
【００１６】[0016]
［実施例１］公知の方法でスラグを主とする原料を溶融
繊維化し粒状化して得た粒状化ロックウール（粒径２〜
７ｍｍ、嵩密度０．１３ｇ／ｃｍ3 ）１００重量部、澱
粉（三晶（株）製 商品名グアパック）１０重量部、水
７０００重量部をニーダーで５分間ミキシングした後、
厚さ２０ｍｍ、巾３００ｍｍ、長さ６００ｍｍの型枠に
入れ水分率１５０％とした後８５℃で乾燥し厚さ２０ｍ
ｍ、巾３００ｍｍ、長さ６００ｍｍ嵩密度０．３７ｇ／
ｃｍ3 の本発明のロックウール成型培地を得た。[Example 1] Granulated rock wool (particle size 2 to 2 obtained by melt-fiberizing a slag-based raw material into granules by a known method
7 mm, 100 parts by weight of bulk density 0.13 g / cm 3, 10 parts by weight of starch (trade name Guapack manufactured by Sansho Co., Ltd.), and 7,000 parts by weight of water were mixed with a kneader for 5 minutes,
20m thick after being put in a mold with a thickness of 20mm, a width of 300mm and a length of 600mm to a moisture content of 150% and then dried at 85 ° C.
m, width 300 mm, length 600 mm, bulk density 0.37 g /
A cm 3 rockwool molding medium of the present invention was obtained.
【００１７】［実施例２］市販の巾３００ｍｍの通根性
不織布（ユニチカ（株）製 パスライト透光率８５％）
を速度１ｍ／ｍｉｎで移動し、その上から粒状化ロック
ウール（粒径２〜７ｍｍ、嵩密度０．１３ｇ／ｃｍ3 ）
を２．５ｋｇ／ｍｉｎの割合で落下させながら該粒状化
ロックウールに対し合成ゴム系接着剤（コニシ（株）製
商品名ＧＺ−５）を２０ｇ／ｍ2 （固形分）の割合で
吹き付け厚さ３０ｍｍの本発明のロックウール成型培地
を得た。Example 2 A commercially available non-woven fabric having a width of 300 mm and having a width of 300 mm (Palite light transmittance of 85% by Unitika Ltd.)
Moving at a speed of 1 m / min, and granulated rock wool (particle size 2 to 7 mm, bulk density 0.13 g / cm 3 ) from above
Is dropped at a rate of 2.5 kg / min, and a synthetic rubber adhesive (product name GZ-5 manufactured by Konishi Co., Ltd.) is sprayed onto the granulated rock wool at a rate of 20 g / m 2 (solid content). A 30 mm thick rock wool molding medium of the present invention was obtained.
【００１８】［実施例３］市販の巾３００ｍｍの不通根
性不織布（ユニチカ（株）製 ラブシート２０５０７Ｆ
ＬＤ 透光率４５％）を速度１ｍ／ｍｉｎで移動し、そ
の上から粒状化ロックウール（粒径２〜７ｍｍ、嵩密度
０．１３ｇ／ｃｍ3 ）を２．５ｋｇ／ｍｉｎの割合で落
下させながら該粒状化ロックウールに対し合成ゴム系接
着剤（コニシ（株）製 商品名 ＧＺ−５）を２０ｇ／
ｍ2 （固形分）の割合で吹き付け厚さ３０ｍｍの本発明
のロックウール成型培地を得た。[Embodiment 3] A commercially available non-pervious non-woven fabric having a width of 300 mm (manufactured by Unitika Ltd., love sheet 20507F)
LD light transmittance of 45%) is moved at a speed of 1 m / min, and granulated rock wool (particle size 2 to 7 mm, bulk density 0.13 g / cm 3 ) is dropped at a rate of 2.5 kg / min. However, 20 g / g of synthetic rubber adhesive (trade name GZ-5 manufactured by Konishi Co., Ltd.) was added to the granulated rock wool.
A rock wool molding medium of the present invention having a thickness of 30 mm was obtained by spraying at a ratio of m 2 (solid content).
【００１９】［実施例４］公知の方法でスラグを主とす
る原料を溶融繊維化し粒状化して得た粒状化ロックウー
ル（粒径２〜７ｍｍ、嵩密度０．１３ｇ／ｃｍ3 ）１ｋ
ｇをブレンダーに入れ、バインダー（組成：フエノール
樹脂２０重量％（群栄化学（株）製）、界面活性剤５重
量％（松本油脂（株）製）、水７５重量％）８０ｍｌを
吹き付けながら十分にブレンドし、厚さ３０ｍｍ、巾３
００ｍｍ、長さ１０ｍに成型し、２５０℃で１３分間乾
燥硬化して本発明のロックウール成型培地を得た。Example 4 Granulated rock wool (particle size 2 to 7 mm, bulk density 0.13 g / cm 3 ) 1 k obtained by melt-fiberizing a raw material mainly containing slag by a known method and granulating it.
g in a blender, and while spraying 80 ml of binder (composition: 20% by weight of phenol resin (manufactured by Gunei Chemical Co., Ltd.), 5% by weight of surfactant (manufactured by Matsumoto Yushi Co., Ltd., 75% by weight of water)) Blended with, thickness 30mm, width 3
It was molded into a length of 00 mm and a length of 10 m, and dried and cured at 250 ° C. for 13 minutes to obtain a rockwool molding medium of the present invention.
【００２０】［実施例５］公知の方法でスラグを主とす
る原料を溶融し繊維化する際ロックウール繊維にバイン
ダー（組成：フエノール樹脂２０重量％（群栄化学
（株）製）、界面活性剤５重量％（松本油脂（株）
製）、水７５重量％）をロックウール繊維重量の２．５
重量％（固形分）を吹き付け、バインダーが未硬化の状
態で粒径１０ｍｍ以下にリファイナーで切断し、さらに
ブレンダーで十分に粒状化した後厚さ３０ｍｍ、巾３０
０ｍｍ、長さ１０ｍに成型し、２５０℃で１３分間硬化
し本発明のロックウール成型培地を得た。[Example 5] When a raw material mainly composed of slag was melted and made into a fiber by a known method, a binder (composition: 20% by weight of phenol resin (manufactured by Gunei Chemical Co., Ltd.)) was added to a rock wool fiber and a surface active agent. 5% by weight (Matsumoto Yushi Co., Ltd.)
2.5% by weight of rock wool fiber)
% By weight (solid content) is sprayed, the binder is uncured, the particle size is cut to 10 mm or less by a refiner, and further granulated sufficiently by a blender, then the thickness is 30 mm and the width is 30.
It was molded into 0 mm and a length of 10 m, and cured at 250 ° C. for 13 minutes to obtain a rockwool molding medium of the present invention.
【００２１】［試験］実施例２で得た本願発明のロック
ウール成型培地（厚さ３０ｍｍ、巾３００ｍｍ、長さ１
０ｍ）に硫酸アンモニア１ｇ／リットルの培養液１０リ
ットルを灌水し、発芽させたケンタッキー・３１・フェ
スキュー（サカタの種）６ｇを播種した。温室で育苗を
おこない、培地底面より根が伸長した時点で傾斜角３０
°の土壌側面に培地を張り付け、釘で四隅を固定し水を
灌水した。２週間後傾斜地の上部の根も下部の根と同様
に土壌内に伸長しており、傾斜地の上部であっても粒状
化ロックウールが移動することなく培地として有効に働
いていることが確認された。[Test] Rockwool molding medium of the present invention obtained in Example 2 (thickness 30 mm, width 300 mm, length 1
0 m) was irrigated with 10 liters of a culture solution containing 1 g / liter of ammonium sulfate, and 6 g of germinated Kentucky 31 fescue (Sakata seeds) was inoculated. When seedlings are grown in a greenhouse and the root extends from the bottom of the medium, the inclination angle is 30
The culture medium was attached to the soil side surface at °, the four corners were fixed with nails, and water was irrigated. Two weeks later, the upper roots of the sloping ground also extended into the soil like the lower roots, and it was confirmed that the granulated rock wool did not move even in the upper part of the sloping ground and worked effectively as a medium. It was
【００２２】[0022]
【発明の効果】本発明のロックウール成型培地は、実施
例１〜５に示すように粒状化ロックウールが互いに接着
剤で結合されているので粒状化ロックウールのもつ優れ
た通気性および保水性を維持しながら板状あるいはシー
ト状で取扱うことができさらにロックウールの粉塵の発
生が少ないので極めて優れた作業性が得られる。また本
発明のロックウール成型培地は板状の硬いものから柔軟
性に富むものと施工する基盤に適応したものが選べ、傾
斜地でも培地が均一な厚さを保持するので播種や定植に
支障を来すことはない。さらに必要に応じて不通根性不
織布あるいは通根性不織布に粒状化ロックウールを貼り
合わせたロックウール成型培地をもちいると取扱い性は
より優れるし、施工する基盤に植物が根を下ろした方が
よい場合あるいは悪い場合にそれぞれ適応させて用いる
ことができる効果がある。INDUSTRIAL APPLICABILITY As shown in Examples 1 to 5, the rockwool molding medium of the present invention has the excellent air permeability and water retention property of the granulated rockwool because the granulated rockwool is bonded to each other with an adhesive. It can be handled in the form of a plate or sheet while maintaining the above, and since the generation of dust of rock wool is small, excellent workability can be obtained. In addition, the rock wool molding medium of the present invention can be selected from a plate-like hard one that is flexible and one that is adapted to the foundation to be constructed, and since the medium keeps a uniform thickness even on sloping land, it will interfere with seeding and planting. There is nothing to do. In addition, if you use a rockwool molding medium in which granulated rockwool is pasted to a non-rooting non-woven fabric or a non-rooting non-woven fabric as needed, handling is better, and it is better if the plant has roots on the foundation to be constructed. Alternatively, there is an effect that they can be used by adapting to each in a bad case.
Claims (3)
合していることを特徴とするロックウール成型培地。1. A rockwool molding medium, characterized in that granulated rockwool is bonded to each other with an adhesive.
通根性布帛に貼着していることを特徴とするロックウー
ル成型培地。2. A rockwool molding medium, characterized in that granulated rockwool bonded with an adhesive is adhered to a root-permeable cloth.
不通根性布帛に貼着していることを特徴とするロックウ
ール成型培地。3. A rockwool molding medium, characterized in that granulated rockwool bonded with an adhesive is adhered to an impermeable cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26610694A JP3552304B2 (en) | 1994-10-06 | 1994-10-06 | Rock wool molding medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26610694A JP3552304B2 (en) | 1994-10-06 | 1994-10-06 | Rock wool molding medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08103159A true JPH08103159A (en) | 1996-04-23 |
| JP3552304B2 JP3552304B2 (en) | 2004-08-11 |
Family
ID=17426405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26610694A Expired - Fee Related JP3552304B2 (en) | 1994-10-06 | 1994-10-06 | Rock wool molding medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3552304B2 (en) |
-
1994
- 1994-10-06 JP JP26610694A patent/JP3552304B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP3552304B2 (en) | 2004-08-11 |
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