JPH0292214A - Artificial culture medium material for plant cultivation and production thereof - Google Patents
Artificial culture medium material for plant cultivation and production thereofInfo
- Publication number
- JPH0292214A JPH0292214A JP63244785A JP24478588A JPH0292214A JP H0292214 A JPH0292214 A JP H0292214A JP 63244785 A JP63244785 A JP 63244785A JP 24478588 A JP24478588 A JP 24478588A JP H0292214 A JPH0292214 A JP H0292214A
- Authority
- JP
- Japan
- Prior art keywords
- filaments
- artificial culture
- artificial
- falling
- 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
- 239000000463 material Substances 0.000 title claims abstract description 17
- 239000001963 growth medium Substances 0.000 title claims description 24
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000002689 soil Substances 0.000 claims abstract description 27
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 9
- 239000000057 synthetic resin Substances 0.000 claims abstract description 9
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 5
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 229920005989 resin Polymers 0.000 abstract description 6
- 239000011347 resin Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 241000196324 Embryophyta Species 0.000 description 25
- 239000002609 medium Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012531 culture fluid Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
Landscapes
- Cultivation Of Plants (AREA)
- Nonwoven Fabrics (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、植物を栽培するために用いられる人工培地材
と、その製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an artificial culture medium used for cultivating plants and a method for producing the same.
（従来の技術）
従来、植物を栽培する場合は、土、人工培土、水耕栽培
用の溶液等が用いられているが、何れもそれらを収納す
る鉢等の容器が必要であった。(Prior Art) Conventionally, when cultivating plants, soil, artificial culture soil, solutions for hydroponic cultivation, etc. have been used, but all of them require containers such as pots to house them.
従って、容器の形状の制約があるので、植物を自由な形
態で栽培できず、又、栽培した植物を展示する場合も制
約が多い問題があった。Therefore, since there are restrictions on the shape of the container, plants cannot be cultivated in a free form, and there are also many restrictions when displaying the cultivated plants.
（発明が解決しようとする課題）
本発明は植物を栽培する場合の容器の形状による制約か
ら解放されて植物の栽培形態や展示形態を自由に展開可
能とするために、その物日体が培地であると共に容器の
機能を併有し、従って、従来の容器が不要であって、而
も形状を自由に設計でさる植物栽培用人工培地材の提供
を第１の目的とする。又、本発明は上記の植物栽培用人
工培地材を容易に能率的に製造できる方法の提供を第２
の目的とする。(Problems to be Solved by the Invention) The present invention aims to free the constraints imposed by the shape of containers when cultivating plants, and to enable the cultivation and display of plants to be developed freely. The first object of the present invention is to provide an artificial culture medium material for plant cultivation, which has the function of a container, does not require a conventional container, and can be freely designed in shape. A second object of the present invention is to provide a method for easily and efficiently producing the above-mentioned artificial medium for cultivating plants.
The purpose of
（課題を解決するための手段）
上記第１の目的達成のために本発明の植物栽培用人工培
地材は、合成樹脂線条を褶曲させながら互に交錯溶着さ
せて形成される立体網状体の内部空隙部に人工培土を充
填保持して成るものである。(Means for Solving the Problems) In order to achieve the above-mentioned first object, the artificial culture medium material for plant cultivation of the present invention is composed of a three-dimensional network formed by folding and welding synthetic resin filaments to each other. This is made by filling and retaining artificial soil in the internal cavity.
又、上記第２の目的達成のために本発明の植物栽培用人
工培地材の製造方法は、
熱可塑性合成樹脂線条を溶融状態で所要数の下向きノズ
ルから紡出して自然降下せしめると共に各ノズルの間の
所要位置に設置したパイプから粉粒状の人工培±ｔ−落
下せしめ更に各ノズルと各パイプの間の所要位置に設置
したエアー噴射ノズルからエアーを上記の落下過程にあ
る人工培土と、同じく降下過程にあって未だ溶融状態の
柔軟性を維持する線条に対して噴射せしめて、人工培土
を各線条の間に分散混入させながら各線条を褶曲させて
互に交錯溶着させることにより立体網状体構造となして
冷却固化することを％徴とするものである。In addition, in order to achieve the above-mentioned second object, the method for producing an artificial culture medium material for plant cultivation of the present invention includes spinning thermoplastic synthetic resin filaments in a molten state from a required number of downward nozzles and allowing them to fall naturally, and each nozzle Powder-like artificial culture soil is allowed to fall from a pipe installed at a predetermined position between each nozzle and the artificial culture soil in the above-mentioned falling process, and air is injected from an air injection nozzle installed at a predetermined position between each nozzle and each pipe. By spraying the filaments that are also in the descending process and still maintaining the flexibility of the molten state, the artificial soil is dispersed and mixed between each filament, and the filaments are folded and intersected and welded to each other. It is characterized by forming a network structure and solidifying on cooling.
（作 用）
先ず本発明の植物栽培用人工培地材は、合成樹脂線条を
慴■させながら互に交錯溶着させて形成される立体網状
体が容器の役割を果たしてその内部空隙部に充填される
人工培土を脱落困難に保付し、立体網状体に保持された
人工培土が勿論本来の植物の培地となる。又、換言すれ
ば、人工培土の内部に網状組織が存在することになるの
で、植物の根付きを強固にする。(Function) First, in the artificial culture medium material for plant cultivation of the present invention, a three-dimensional network body formed by intersecting and welding synthetic resin filaments while stirring them functions as a container and fills the internal voids thereof. The artificial soil held in the three-dimensional net will of course serve as a medium for the original plants. In other words, since a network structure exists inside the artificial soil, the roots of the plants are strengthened.
次に本発明の植物栽培用人工培地材の製造方法は、自然
降下する合成樹脂線条と同時に落下させる人工培土にエ
アーを噴射して各線条の間に人工培土を分散混入させな
がら同時に各線条を褶曲させて互に交錯溶着させながら
立体網状体を形成していくので、初めから立体網状体の
内部空隙部に人工培土が充填され、例えば立体網状体を
完成してからその内部空隙部に外から人工培土を塗り込
みながら充填していく方法に比べて、極めて作業が容易
化し且つ能率化する。Next, in the method of manufacturing an artificial culture medium material for plant cultivation of the present invention, air is injected into the artificial soil that falls at the same time as the synthetic resin filaments that naturally fall, so that the artificial soil is dispersed and mixed between each filament, and at the same time each filament is mixed. Since the three-dimensional network is formed by folding and welding them together, the internal voids of the three-dimensional network are filled with artificial soil from the beginning, and for example, after the three-dimensional network is completed, the internal voids are filled with artificial soil. Compared to the method of filling while applying artificial soil from outside, the work is much easier and more efficient.
（実施例）
先ず植物栽培用人工培地材の製造方法の実施例について
第１図を参照しながら説明する。(Example) First, an example of a method for producing an artificial culture medium for plant cultivation will be described with reference to FIG.
先ず熱可塑性合成樹脂を溶融してエクストルダ−のダイ
に設けた下向きノズル（１）からこの溶融樹脂を紡出し
て線条（２）を形成し、この線条（２）を自然降下させ
る。線条（２）は、外側に位置するものの線径が細く、
内側に位置するものの線径が太くなるように各ノズル（
１）の口径を設定する。First, a thermoplastic synthetic resin is melted and the molten resin is spun out from a downward nozzle (1) provided in a die of an extruder to form filaments (2), which are allowed to fall naturally. The filament (2) is located on the outside and has a thin wire diameter.
Each nozzle (
1) Set the aperture.
溶融樹脂には植物根の発育を考慮して光線を遮蔽する色
を着色することが好ましい。又、各ノズル（１）の間の
所要位置に配設したパイプ（３）から粉粒状の人工培±
（４）を上記の線条（２）の自然降下と同時に落下させ
る。人工培±（４）はバーミュキュライト、パーライト
、又は鹿沼上等の多孔性無機質物に高吸水性樹脂粒の保
水剤や、樹脂コーティング肥料等を混合して構成する。It is preferable that the molten resin is colored with a color that blocks light rays in consideration of the growth of plant roots. In addition, powdery artificial culture fluid is discharged from a pipe (3) placed at a predetermined position between each nozzle (1).
(4) is allowed to fall simultaneously with the natural fall of the above-mentioned filament (2). The artificial culture medium (4) is composed of a porous inorganic material such as vermiculite, perlite, or Kanuma-gami mixed with a water retention agent such as super absorbent resin particles, resin-coated fertilizer, etc.
人工培±（４）は外側に位置するパイプ（３）からは粒
径の大きいものを、又、内側に位置するパイプ（３）か
らは粒径の小さいものが落下するように調節する。The artificial culture medium (4) is adjusted so that particles of large size fall from the pipe (3) located on the outside, and particles of small size fall from the pipe (3) located on the inside.
史に各ノズル（１）と各パイプ（３）の間の所要位置に
配設したエアー噴射ノズル（５）から上記の未だ溶融状
態で柔軟性を維持して降下過程にある線条（２）と、同
じく落下過程にある人工培±（４）に対して所要温度及
び所要噴出速度を付与された所要量のエアー（６）を連
続的又は間欠的に噴射して、人工培土（４）を各線条（
２）の間に分散混入させながら各線条（２）を褶曲させ
て互に交錯溶着させる。The filament (2), which is still in a molten state and remains flexible, is in the process of descending from the air injection nozzle (5) arranged at a predetermined position between each nozzle (1) and each pipe (3). Then, the required amount of air (6) given the required temperature and ejection speed is continuously or intermittently injected to the artificial soil (4) which is also in the falling process, and the artificial soil (4) is Each striation (
While being dispersed and mixed between 2), each filament (2) is folded and intersected and welded to each other.
Ｍ１エアー噴射ノズル（５）は回転自在で且つ水平方向
に往復動自在に取付けられている。各線条（２）は外側
に位置する線径の細いものの褶曲塵が大きく且つ内側に
位置する線径の太いものの褶曲塵が小さくなるように−
即ち外側の線条密度が高くて内側の線条密度が低くなる
ように、エアー（６）の量、温度、噴出速度、及びエア
ー噴射ノズル（５）の回転速度、往復速度等を適宜に設
定し、又、エアー噴射ノズル（５）の間欠的又は連続的
な作動状態も適宜に調節する。これにより、内側の線条
密度の低い部分には粒径の小さい人工培±（４）が混入
するが、外側の線条密度の高い部分には粒径の大きい人
工培±（４）が充填されるので、各線条（２）の間から
の人工培±（４）の脱落が認めて困難化する。次に各線
条（２）は外周部に配されたガイド板（力に沿って落下
する水流（８）のカーテンによって外縁を揃えられなが
ら降下を続け、間に予備冷却用のエアー吹出管（９）を
挟んで配設された夫々回転速度の調整が可能な第１の引
取ロールαＱと第２の引取ロール（Ｉυによって引き取
られる。第２の引取ロールαυは通常筒１の引取ロール
αＱよシも引取速度が遅く設定され、従って、上記のエ
アー噴射ノズル（５）によって既にある程度褶曲してい
る各線条（２）が再び褶曲されて最終的な密度が調整さ
れる。即ち、第１の引取ロール（ＩＣｊＩと第２の引取
ロールαυの引取速度の差を大きくすれは褶曲塵が犬に
なって密度が上昇する。各線条〔２）が第２の引取ロー
ル（１１）を通過すると完全に冷却固化され、内部空隙
部に人工培±（４）を充填保持した立体網状体（１カ、
即ち、本発明の植物栽培用人工培地材（１３が完成する
。The M1 air injection nozzle (5) is mounted to be rotatable and reciprocatable in the horizontal direction. Each filament (2) is arranged so that the folding dust of the thin wire diameter located on the outside is large and the folding dust of the thick wire diameter located inside is small.
That is, the amount, temperature, and jetting speed of the air (6), as well as the rotational speed and reciprocating speed of the air jetting nozzle (5), etc. are appropriately set so that the striation density on the outside is high and the striation density on the inside is low. In addition, the intermittent or continuous operating state of the air injection nozzle (5) is also adjusted as appropriate. As a result, artificial culture medium (4) with a small particle size is mixed into the inner part with low filament density, but artificial culture medium (4) with large particle size is mixed into the outer part with high filament density. As a result, the artificial culture medium (4) may fall out from between the filaments (2), making it difficult. Next, each filament (2) continues to descend while its outer edge is aligned by a curtain of water flow (8) that falls along the guide plate (force) placed on the outer periphery, and in between, the air blowing pipe (9) for pre-cooling ), the rotational speed of which can be adjusted, and the second take-up roll (Iυ). Also, the take-up speed is set to be low, so that each filament (2) that has already been folded to some extent by the air injection nozzle (5) is folded again and the final density is adjusted. If the difference in take-up speed between the roll (ICjI and the second take-up roll αυ is increased), the folded dust becomes a dog and the density increases.When each filament [2] passes through the second take-up roll (11), it is completely folded. A three-dimensional network (1 piece,
That is, the artificial medium material for plant cultivation (13) of the present invention is completed.
尚、上記のノズル（１）を線状に配置すれ汀図示したよ
うな平面的なマット状の人工培地αＪが形成され、又、
ノズル（１）を平面状に配置すれば柱状の人工培地材Ｑ
３１が形成可能である。人工培地材αりは所要形状に切
断されて使用される。必要な場合はその切断面にエマル
ジョン樹脂接着剤等を吹きつけて切断面を密閉する等の
処置を施してもよい。In addition, by arranging the above nozzles (1) in a linear manner, a flat mat-like artificial medium αJ as shown in the diagram is formed, and
If the nozzle (1) is arranged in a plane, a columnar artificial culture medium Q
31 can be formed. The artificial culture medium material is cut into a desired shape and used. If necessary, measures such as spraying an emulsion resin adhesive or the like onto the cut surface to seal the cut surface may be performed.
次に第２図及び第３図に示した本発明の植物栽培用人工
培地材０３）について説明すると、これは上記の製法に
よって形成されたマット状のものをちょうど額縁側に収
まる大きさに切断したものであり、轟該人工培地材に植
物ビ）の種を蒔くか苗を植付けて、第２図のように観賞
に適した状態まで生育した頃に、第３図のように額縁（
１４Ｊに取付けて壁に掛けられるようにしたものである
。Next, I will explain about the artificial culture medium material 03) for plant cultivation of the present invention shown in Figs. 2 and 3. This is a mat-like material formed by the above-mentioned manufacturing method, which is cut into a size that just fits on the picture frame side. Sow the seeds or plant the seedlings of the plant in the artificial medium, and when it has grown to a state suitable for ornamental viewing as shown in Figure 2, a picture frame (as shown in Figure 3) is installed.
14J so that it can be hung on the wall.
（発明の効果）
本発明の植物栽培用人工培地材は上述のとおり構成され
て、立体網状体が人工培土を確実に保持して容器の役割
を果たすので、従来の容器が不要となって容器の形状に
よる制約から解放され、よって、植物の栽培形態や展示
形態をより広汎に展開できる効果がある。(Effects of the Invention) The artificial culture medium material for plant cultivation of the present invention is configured as described above, and the three-dimensional network reliably holds the artificial culture medium and plays the role of a container, eliminating the need for a conventional container. This has the effect of allowing plants to be cultivated and displayed in a wider variety of ways.
又、本発明の植物栽培用人工培地材の製造方法は上述の
とおり構成されて、立体網状体を形成する過程で同時に
人工培土を充填していくので、立体網状体を形成してか
らその表面に人工培土−を塗り込みながら充填していく
方法に比べて、作業が極めて容易化し且つ能率化する効
果がある。In addition, the method for producing an artificial culture medium for plant cultivation of the present invention is configured as described above, and the artificial soil is simultaneously filled in the process of forming the three-dimensional network, so that after the three-dimensional network is formed, the surface thereof is Compared to the method of filling the soil while applying artificial soil, the work is much easier and more efficient.
第１図は製造工程図、第２図は植物を栽培した状態の人
工培地材の斜視図、第３図は植物を栽培した人工培地材
を額縁に取付けた状態の斜視図である。
（１）・・・ノズル、（２）・・・線条、（３）・・・
パイプ、（４）・・・人工培土、（５）・・・エアー噴
射ノズル、（６）・・・エアー（７）・・・ガイド板、
（８）・・・水流、（９）・・・エアー吹出管、（ＪＯ
）・・・第１ 引取ｏ−ル、αυ・・・第２引取１：Ｉ
−ル、α２・・・立体網状体、Ｑ３１・・・人口培地材
、αａ・・・額縁、＠）・・・植物。
特許 出 願人 森村興産株式会社
第
図
イ
０３）・・・人口培地材FIG. 1 is a manufacturing process diagram, FIG. 2 is a perspective view of the artificial medium material with plants grown on it, and FIG. 3 is a perspective view of the artificial culture medium material with plants grown on it attached to a picture frame. (1)... Nozzle, (2)... Line, (3)...
Pipe, (4)...Artificial soil, (5)...Air injection nozzle, (6)...Air (7)...Guide plate,
(8)...Water flow, (9)...Air blowing pipe, (JO
)...1st pick-up o-le, αυ...2nd pick-up 1:I
-ru, α2... three-dimensional reticular body, Q31... artificial culture medium, αa... picture frame, @)... plant. Patent applicant: Morimura Kosan Co., Ltd. Figure I03)...Artificial culture medium material
Claims (1)
形成される立体網状体の内部空隙部に人工培土を充填保
持して成る植物栽培用人工培地材。 ２、熱可塑性合成樹脂線条を溶融状態で所要数の下向き
ノズルから紡出して自然降下せしめると共に各ノズルの
間の所要位置に設置したパイプから粉粒状の人工培土を
落下せしめ更に各ノズルと各パイプの間の所要位置に設
置したエアー噴射ノズルからエアーを上記の落下過程に
ある人工培土と、同じく降下過程にあつて未だ溶融状態
の柔軟性を維持する線条に対して噴射せしめて、人工培
土を各線条の間に分散混入させながら各線条を褶曲させ
て互に交錯溶着させることにより立体網状体構造となし
て冷却固化することを特徴とする植物栽培用人工培地材
の製造方法。[Scope of Claims] 1. An artificial culture medium material for plant cultivation, which is formed by filling and retaining artificial soil into the internal voids of a three-dimensional network formed by folding and welding synthetic resin filaments to each other. 2. The thermoplastic synthetic resin filament is spun in a molten state from the required number of downward nozzles and allowed to fall naturally, and granular artificial soil is dropped from a pipe installed at the required position between each nozzle, and then each nozzle and each Air is injected from air injection nozzles installed at predetermined positions between the pipes to the artificial soil that is in the process of falling, and to the filaments that are still in the molten state of flexibility during the process of falling. A method for producing an artificial culture medium material for plant cultivation, which comprises dispersing and mixing the soil between each of the filaments, folding the filaments, welding them together, and forming a three-dimensional network structure by cooling and solidifying the filaments.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63244785A JPH074112B2 (en) | 1988-09-29 | 1988-09-29 | Artificial medium material for plant cultivation and method for producing the same |
| GB8921940A GB2224191B (en) | 1988-09-29 | 1989-09-28 | Apparatus for displaying plants. |
| DE3932644A DE3932644A1 (en) | 1988-09-29 | 1989-09-29 | PLANT BREEDING DEVICE |
| FR8912775A FR2636805B1 (en) | 1988-09-29 | 1989-09-29 | DEVICE FOR CULTIVATION OF PLANTS |
| KR1019890014011A KR0123014B1 (en) | 1988-09-29 | 1989-09-29 | Apparatus for culturing plants |
| IT8921888A IT1231121B (en) | 1988-09-29 | 1989-09-29 | DEVICE FOR GROWING PLANTS. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63244785A JPH074112B2 (en) | 1988-09-29 | 1988-09-29 | Artificial medium material for plant cultivation and method for producing the same |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5208731A Division JPH0773457B2 (en) | 1993-07-29 | 1993-07-29 | Artificial medium material for plant cultivation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0292214A true JPH0292214A (en) | 1990-04-03 |
| JPH074112B2 JPH074112B2 (en) | 1995-01-25 |
Family
ID=17123888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63244785A Expired - Lifetime JPH074112B2 (en) | 1988-09-29 | 1988-09-29 | Artificial medium material for plant cultivation and method for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH074112B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07189105A (en) * | 1993-12-24 | 1995-07-25 | Toyobo Co Ltd | Netlike structure having different fineness and its production |
| JPH07189104A (en) * | 1993-12-22 | 1995-07-25 | Toyobo Co Ltd | Netlike structure having different density and its production |
| CN111837722A (en) * | 2020-07-08 | 2020-10-30 | 李良团 | Plant composite material and production process thereof |
| KR20220105907A (en) * | 2021-01-21 | 2022-07-28 | 국민대학교산학협력단 | Device for crops cultivation, method and system using the same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52122503U (en) * | 1976-03-15 | 1977-09-17 | ||
| JPS53102432U (en) * | 1977-01-24 | 1978-08-18 | ||
| JPH0187634U (en) * | 1987-12-03 | 1989-06-09 |
-
1988
- 1988-09-29 JP JP63244785A patent/JPH074112B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52122503U (en) * | 1976-03-15 | 1977-09-17 | ||
| JPS53102432U (en) * | 1977-01-24 | 1978-08-18 | ||
| JPH0187634U (en) * | 1987-12-03 | 1989-06-09 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07189104A (en) * | 1993-12-22 | 1995-07-25 | Toyobo Co Ltd | Netlike structure having different density and its production |
| JPH07189105A (en) * | 1993-12-24 | 1995-07-25 | Toyobo Co Ltd | Netlike structure having different fineness and its production |
| CN111837722A (en) * | 2020-07-08 | 2020-10-30 | 李良团 | Plant composite material and production process thereof |
| KR20220105907A (en) * | 2021-01-21 | 2022-07-28 | 국민대학교산학협력단 | Device for crops cultivation, method and system using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH074112B2 (en) | 1995-01-25 |
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