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JP3862727B2 - Agricultural covering sheet - Google Patents

Agricultural covering sheet Download PDF

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Publication number
JP3862727B2
JP3862727B2 JP2005079304A JP2005079304A JP3862727B2 JP 3862727 B2 JP3862727 B2 JP 3862727B2 JP 2005079304 A JP2005079304 A JP 2005079304A JP 2005079304 A JP2005079304 A JP 2005079304A JP 3862727 B2 JP3862727 B2 JP 3862727B2
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covering sheet
sheet
agricultural
soil
covering
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JP2006254847A (en
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正輝 芦田
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正輝 芦田
芦田 勝仁
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Description

本発明は、農業用の作物を栽培する畝やビニールハウスに被せる農業用被覆シートに関する。   The present invention relates to an agricultural covering sheet that is placed on a straw or a greenhouse for cultivating agricultural crops.

畑に畝を造成して農作物を栽培する場合、保温ないし鳥類或いは害虫からの保護を主目的として、マルチシートともよばれる黒い農業用のフィルム状のシート(本明細書では、これを「農業用被覆シート」或いは、単に「被覆シート」ということもある。)を畝の表面に被せることがある。   When cultivating crops by creating straw in the field, a black agricultural film-like sheet (also referred to as “agricultural coating” in this specification) is called a multi-sheet, mainly for heat insulation or protection from birds or pests. Sheet "or simply" covered sheet ") may be put on the surface of the bag.

最も原始的な農業用被覆シートは長方形の単なる黒いビニールシートを畝に被せ、畝の溝に沿ってシートの両端部に土壌を盛り、当該被覆シートの端部が地中に埋まる格好で固定されていた。しかし、この方法では、設置作業に手間がかかるだけでなく、風雨によりはずれ易く、シートを安全かつ確実に固定できない。   The most primitive agricultural covering sheet is covered with a simple black vinyl sheet of rectangular shape, covered with soil at both ends of the sheet along the groove of the fence, and fixed so that the end of the covering sheet is buried in the ground. It was. However, according to this method, not only the installation work is troublesome, but also it is easy to come off due to wind and rain, and the seat cannot be fixed safely and reliably.

そこで考え出されたのが、被覆シートを固定するための固定具である(特許文献1)。この固定具を用いれば、風雨により被覆シートがはずれにくくすることができる。   Thus, a fixture for fixing the covering sheet was conceived (Patent Document 1). If this fixing tool is used, the covering sheet can be made difficult to come off due to wind and rain.

特開平10−75666号公報Japanese Patent Laid-Open No. 10-75666

しかし、固定具は繰り返し使用できるにせよ、初期コストが必要であり、かつ、固定具の取付作業もそれほど楽なものではない。   However, even if the fixture can be used repeatedly, initial cost is required and the fixing work is not so easy.

本発明は上記に鑑みてなされたものであり、取付け作業が極めて簡単で、コストもかからない、新規な農業用被覆シートを提供せんとするものである。   The present invention has been made in view of the above, and it is an object of the present invention to provide a novel agricultural covering sheet that is extremely easy to mount and does not cost much.

本発明に係る農業用被覆シートは、略長方形の被覆シート(10)であって、長辺の両端部に折り返し(2)が設けられているとともに、前記折り返し(2)の中央部より上側に接着部(3)が一定間隔で交互に設けられていることを特徴とする。 The agricultural covering sheet according to the present invention is a substantially rectangular covering sheet (10), with folding (2) provided at both ends of the long side, and above the center of the folding (2). The adhesive portions (3) are alternately provided at regular intervals.

なお、「交互に」とは、後述するように、折り返しの両側の接着部を結ぶ線が、ジグザグ状になるように接着されている様子を意味する。このように被覆シートの両端部を折り返すと、ポケットPが形成されるので、このポケット部に土壌等をいれておけば、これが「重り」或いは「返し」となって風雨で被覆シートがはずれ難く、かつ、取付作業も極めて容易である。なお、接着部をジグザグ状にすると、被覆シートがたわみにくく、畝にぴったりと取り付けられるようになる。逆に、対向位置に接着部があると、均一に荷重がかからなくなるため被覆シートがたわみ、強風ではずれやすくなる。   Note that “alternately” means a state in which the lines connecting the bonding portions on both sides of the folded are bonded in a zigzag shape, as will be described later. Since the pocket P is formed by folding both ends of the covering sheet in this manner, if the soil or the like is placed in the pocket portion, this becomes a “weight” or “return” and the covering sheet is difficult to come off due to wind and rain. In addition, the mounting work is very easy. In addition, when the bonding portion is formed in a zigzag shape, the covering sheet is difficult to bend and can be attached to the heel. On the contrary, if there is an adhesive portion at the opposite position, the load is not applied uniformly, so that the covering sheet bends and is easily displaced by a strong wind.

この被覆シートには、更に、その折り返し部に水抜孔(20)が設けられていてもよい。折り返しにより形成されたポケット部に長期間水がたまるとボウフラが発生するなどの弊害が生ずるため、このような弊害を未然に防止できる点において、いくつかの水抜孔を設けてくことも実用的である。   The covering sheet may further be provided with a drain hole (20) at the folded portion. If water accumulates in the pocket formed by folding for a long period of time, there will be problems such as the generation of bow flares, so it is also practical to provide several drain holes in order to prevent such problems before they occur. is there.

また、折り返しの端部にミシン目を設けておけば、これが水抜き孔としても機能するだけでなく、最終的に被覆シートを畝から取りはずす際に、工具を使わなくてもミシン目に沿ってポケット部を開いて取りはずせるため、使い終わった被覆シートを回収する際にポケットの土壌等はそのまま畑に残しておくこともできる。   In addition, if a perforation is provided at the end of the fold, this not only functions as a drain hole, but when the cover sheet is finally removed from the reed, it can follow the perforation without using a tool. Since the pocket part can be opened and removed, the soil in the pocket can be left in the field as it is when the covering sheet that has been used is collected.

なお、これらの被覆シートは、畝に直接被せる黒色のタイプ(マルチシート)に限らず、畝の上に組み立てるタイプの小型のビニールハウスの覆い(ビニールハウスを設ける際に、その骨組み(11)に被せる透明乃至半透明の被覆シート)として用いてもよい。   In addition, these covering sheets are not limited to the black type (multi-sheet) that can be directly put on the ridges, but cover the small greenhouses that are assembled on the ridges. It may be used as a transparent or translucent covering sheet).

(実施例)−基本原理を説明するための実施例−
図1(a)及び(b)は、本発明に係る被覆シートの製造方法を示す図である。図1(a)に示すように、始めに、従来から知られている通常の農業用被覆シート1を用意する。被覆シート1は、畝の長さに合わせて所定の大きさに切り取られる。サイズは種々のものがあるが、例えば、縦50m、横幅Wは90cm乃至2mである。
(Examples) -Examples for explaining the basic principle-
1 (a) and 1 (b) are diagrams showing a method for producing a covering sheet according to the present invention. As shown to Fig.1 (a), the normal agricultural covering sheet 1 conventionally known is prepared first. The covering sheet 1 is cut into a predetermined size according to the length of the ridge. Although there are various sizes, for example, the length is 50 m and the width W is 90 cm to 2 m.

被覆シート1の材質は、特に限定されるものではないが、畝に直接被せる場合は黒色の被覆シート(例えば、厚さ0.03mmのポリエチレンフィルムシート)を用いることが好ましい。   The material of the covering sheet 1 is not particularly limited, but it is preferable to use a black covering sheet (for example, a polyethylene film sheet having a thickness of 0.03 mm) when directly covering the ridge.

次に、図1(b)に示すように、この被覆シート1の両端部を図1(a)の点線に沿って折り返し、一定間隔Sで接着すると、本発明に係る農業用被覆シート10は完成する。なお、接着は図のように対向位置にこないように、いわゆるジグザグ状に設けることが好ましい。この理由は後述する。   Next, as shown in FIG. 1 (b), when both ends of the covering sheet 1 are folded back along the dotted line in FIG. 1 (a) and adhered at a constant interval S, the agricultural covering sheet 10 according to the present invention is Complete. In addition, it is preferable to provide the bonding in a so-called zigzag shape so that it does not come to the opposite position as shown in the figure. The reason for this will be described later.

図2(a)は、これをロール状に巻き取った様子を示している。図2(b)は、図2(a)のA−A線断面図を示している。図2(b)に示すように、折り返し2と接着部3によって、被覆シートにポケットPが形成される。ポケットPには、土壌等を入れることができ、これが被覆シートの両側に重りとして機能する。
この両端部の折り返しは、少なくとも5cm以上あることが好ましい。本件発明者の実験によれば、折り返しが3cm以下の場合、重りが不十分であったため強風で被覆シートがはずれることがあったが、5cm以上とした時は、通常予想される程度の強風ではシートがはずれることはなかった。また、接着部の位置は、ポケット部を大きくとるために折り返しの中央より上側(正面からみて内側より)にあることが好ましい。
FIG. 2A shows a state in which this is wound up in a roll shape. FIG. 2B shows a cross-sectional view taken along line AA in FIG. As shown in FIG. 2 (b), a pocket P is formed in the covering sheet by the folding 2 and the adhesive portion 3. The pocket P can contain soil or the like, and this functions as a weight on both sides of the covering sheet.
The folding at both ends is preferably at least 5 cm. According to the inventor's experiment, when the folding is 3 cm or less, the covering sheet may come off with a strong wind because the weight was insufficient. The sheet did not come off. In addition, the position of the adhesive portion is preferably above the center of the folded portion (from the inside as viewed from the front) in order to make the pocket portion large.

図3(a)及び(b)は、本発明に係る被覆シートの使用状態を表す一例である。図3(a)は断面図、(b)は全体斜視図を示している。   FIG. 3A and FIG. 3B are examples showing the usage state of the covering sheet according to the present invention. 3A is a cross-sectional view, and FIG. 3B is an overall perspective view.

本発明に係る被覆シート10は両端部に折り返し2が設けられ、そこに形成されるポケットに土壌等を保持することができるため、これが重りとして機能する。被覆シートを畝に被せ、両端のポケットに土壌等を入れていくだけで取付作業が完成する。畝に被せて保温や鳥或いは虫による被害を防止して、植物30を育てるという被覆シート本来の機能は、従来の被覆シート1と同様である。   Since the covering sheet 10 according to the present invention is provided with the folds 2 at both ends and can hold soil or the like in the pockets formed there, this functions as a weight. Simply attach the cover sheet to the bag and put soil etc. into the pockets at both ends to complete the installation. The original function of the covering sheet for growing the plant 30 while keeping it warm and preventing damage caused by birds or insects is the same as that of the conventional covering sheet 1.

なお、重りとなる土壌等はできる限り均一に入れることが必要であるが、仮に、一部に偏りがあっても、ジグザグに設けていると重りによる張力が互いに距離の大きい斜め方向に向かうため、均一な力に分散しやすい。これが接着部をジグザグに設ける理由である。逆に、対向位置に接着部を設けると、張力が強すぎる部分と弱すぎる部分とがあらわれるので、強風でシートがはずれやすくなる。   In addition, it is necessary to put the soil that becomes the weight as evenly as possible, but even if there is some deviation, if the tension is provided on the zigzag, the tension due to the weights will go in the diagonal direction where the distance is large Easy to disperse to uniform force. This is the reason why the adhesive portion is provided in a zigzag manner. On the other hand, when the adhesive portion is provided at the opposing position, a portion where the tension is too strong and a portion where the tension is too weak appear, so that the sheet is easily detached by a strong wind.

(第2の実施例)−園芸用ビニールハウスシートに応用した例−
本発明に係る被覆シートは材質及び大きさを適宜選択すれば、畝の上に設ける園芸用の小型のビニールハウスシートに適用することもできる。
図4は、ビニールハウスの骨組み11の上に、本発明に係る被覆シートを被せた様子を示している。ビニールハウスシートとして用いる場合、被覆シートは透明乃至半透明のものが好ましい。従来のビニールハウスシートでは、両端部にポケットなど存在しなかったため、両端に土を盛り、畝に埋め込んで固定していたが、強風でシートがはずれやすかった。しかし、本実施例のようにポケットを設けておけば、上述した第1の実施例と同様の理由により、両端部に設けたポケットの土壌等が重りとして機能し、簡単に固定できる。また、この場合も、ジグザグに接着部を設けると張力が均一に分散し、シートが骨組みにぴったりと張り付いて撓むことがない。
(Second Example) -Example applied to a greenhouse greenhouse sheet-
The covering sheet according to the present invention can also be applied to a small horticultural greenhouse sheet provided on a fence if the material and size are appropriately selected.
FIG. 4 shows a state in which the covering sheet according to the present invention is put on the framework 11 of the greenhouse. When used as a greenhouse sheet, the covering sheet is preferably transparent or translucent. In conventional greenhouse sheets, there were no pockets at both ends, so soil was piled up at both ends, and they were fixed by embedding them in a fence, but the sheets were easy to come off due to strong winds. However, if pockets are provided as in this embodiment, the soil and the like of the pockets provided at both ends function as weights and can be easily fixed for the same reason as in the first embodiment described above. Also in this case, when the adhesive portion is provided on the zigzag, the tension is uniformly distributed, and the sheet does not stick to the framework and bends.

ところで、上記第1又は第2の実施例のいずれにもあてはまるが、本発明に係る被覆シートを長期間使用していると、折り返しのポケットに水が貯まってくることがある。さらに条件が重なると、この水にボウフラ等の虫が発生することがある。そこで、このような虫の発生を防止するために、折り返しの部分に一定程度の間隔で複数の水抜孔20(特に限定されないが例えば直径5mmφ)を設けておくとよい。
このようにすると、ポケットの土壌等が一定の保水力を持って水分を保持しているが、一定以上の水が貯まると水抜き孔から排水され、虫の発生を防止することができる。
By the way, although it applies to either the said 1st or 2nd Example, when the coating sheet which concerns on this invention is used for a long period of time, water may accumulate in the return | turnback pocket. In addition, when conditions overlap, insects such as bow flares may be generated in this water. Therefore, in order to prevent the occurrence of such insects, it is preferable to provide a plurality of drain holes 20 (with no particular limitation, for example, a diameter of 5 mmφ) at regular intervals in the folded portion.
In this way, the soil in the pocket or the like retains moisture with a certain water holding power, but when a certain amount or more of water is stored, it is drained from the drain hole and can prevent the generation of insects.

なお、水抜孔の位置、大きさ及び個数は天候などにより種々のものが考えられるが、両端部の折り返し部にミシン目を設けておくと、これが水抜として孔として機能すると共に、このミシン目で切り離すことが容易となるため使用後に被覆シートを回収する際にポケットに貯まっている土壌等を畝の脇に払い落とすことができるため、シートを回収しても土壌を持ち帰ることがない。   Various positions, sizes, and numbers of drain holes may be considered depending on the weather, etc.If a perforation is provided in the folded portion at both ends, this functions as a hole for drainage, and this perforation Since it becomes easy to separate, the soil etc. stored in the pocket when collecting the coated sheet after use can be wiped off to the side of the bag, so that even if the sheet is collected, the soil is not brought home.

本発明に係る農業用被覆シートは、取付けに固定具等の特別な道具を必要とせず、取付けが簡単でコスト的にも有利であるため、被覆シートや畝用の小型ビニールハウスシートに適用すれば、産業上の利用可能性は極めて大きい。   The agricultural covering sheet according to the present invention does not require a special tool such as a fixing tool for mounting, and is easy to mount and advantageous in terms of cost. For example, industrial applicability is extremely large.

図1(a)及び(b)は、本発明に係る被覆シートの製造方法を示す図である。1 (a) and 1 (b) are diagrams showing a method for producing a covering sheet according to the present invention. 図2(a)は、本発明に係る被覆シートをロール状に巻き取った様子を示している。(b)は、(a)のA−A線断面図を示している。Fig.2 (a) has shown the mode that the coating sheet based on this invention was wound up in roll shape. (B) has shown the sectional view on the AA line of (a). 図3(a)及び(b)は、本発明に係る被覆シートの使用状態を表す一例である。(a)は断面図、(b)は全体斜視図を示している。FIG. 3A and FIG. 3B are examples showing the usage state of the covering sheet according to the present invention. (A) is sectional drawing, (b) has shown the whole perspective view. 図4は、ビニールハウスの骨組み11の上に、本発明に係る被覆シートを被せた様子を示している。FIG. 4 shows a state in which the covering sheet according to the present invention is put on the framework 11 of the greenhouse.

符号の説明Explanation of symbols

1 従来の被覆シート(ポリエチレンシート)
2 折り返し
3 接着部
4 土壌
10 本発明に係る被覆シート
11 骨組み
30 植物
1 Conventional coated sheet (polyethylene sheet)
DESCRIPTION OF SYMBOLS 2 Folding 3 Adhesion | attachment part 4 Soil 10 The coating sheet which concerns on this invention 11 Frame 30 Plant

Claims (2)

略長方形の被覆シート(10)であって、両端部に折り返し(2)が設けられているとともに、前記折り返し(2)の中央部より上側に接着部(3)が一定間隔で交互に設けられていることを特徴とする、農業用被覆シート。 It is a substantially rectangular covering sheet (10), and folding (2) is provided at both ends, and adhesive portions (3) are alternately provided above the center of the folding (2) at regular intervals. Agricultural covering sheet, characterized in that 前記折り返しの部分に水抜孔(20)が設けられていることを特徴とする請求項1記載の農業用被覆シート。 The agricultural covering sheet according to claim 1, wherein a water drain hole (20) is provided in the folded portion.
JP2005079304A 2005-03-18 2005-03-18 Agricultural covering sheet Active JP3862727B2 (en)

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JP2005079304A JP3862727B2 (en) 2005-03-18 2005-03-18 Agricultural covering sheet

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JP3862727B2 true JP3862727B2 (en) 2006-12-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016019545A (en) * 2011-04-26 2016-02-04 宜士 松本 Agricultural covering material

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101316973B1 (en) 2012-03-29 2013-10-11 김동익 agricultural film where friction supporting area are formed
KR101672312B1 (en) * 2014-02-13 2016-11-03 정성우 Heat conservation cover for keeping warm tunnel
CN112166917B (en) * 2020-11-18 2023-05-02 河南省烟草公司平顶山市公司 Mulching film device convenient for ventilation and heat dissipation of tobacco plant roots

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016019545A (en) * 2011-04-26 2016-02-04 宜士 松本 Agricultural covering material

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