JP5440833B2 - Lawn protective material with lower and upper frames engaged - Google Patents
Lawn protective material with lower and upper frames engaged Download PDFInfo
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- JP5440833B2 JP5440833B2 JP2009019659A JP2009019659A JP5440833B2 JP 5440833 B2 JP5440833 B2 JP 5440833B2 JP 2009019659 A JP2009019659 A JP 2009019659A JP 2009019659 A JP2009019659 A JP 2009019659A JP 5440833 B2 JP5440833 B2 JP 5440833B2
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- 239000000463 material Substances 0.000 title claims description 49
- 230000001681 protective effect Effects 0.000 title claims description 29
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 241000196324 Embryophyta Species 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 229920001971 elastomer Polymers 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 244000025254 Cannabis sativa Species 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Cultivation Of Plants (AREA)
- Road Paving Structures (AREA)
Description
本発明は、複数の枠を係合して使用する芝生保護材の上下方向の係合技術に属する。 The present invention resides in the vertical direction of engagement techniques lawn protection material used to engage a plurality of frames.
芝生やその他の植物を育成させた広場として、ゴルフ場、運動場、公園、庭園、工場の路側、各種の敷地空間内があり、古くは芝生保護のため芝生内は立ち入り禁止とする場合が普通であった。最近では芝生内に立入る人の、あるいは車の踏圧から植物を保護するため踏圧部と透孔部からなる図７ａに示すような芝生保護材（特開平2-145137、特開平4-75541）が各種提案され使用されている。
さらにこれら芝生保護材を用いた際に人の踏圧を和らげるため、芝生保護材上に更に平坦な上部枠を設置し、人の足と上部枠との接触部の面積を大きくし踏圧部からの反力を軽減する図７ｂに示すような芝生保護材が特開平5-56724に開示されている。
更に特開2008-35856には最上層枠を柔軟な素材で形成した３層構造の枠を組み合わせてより一層踏み圧の軽減を図る提案がなされている。
下部枠と上部枠からなる植物保護材の係合方法は、互いに溶着あるいは接着することは異種の樹脂間であり現実的ではない。確実に勝つ簡単に係合できる手段が求められている。
There are golf courses, playgrounds, parks, gardens, factory roadsides, and various site spaces as open spaces where grass and other plants have been nurtured. there were. Recently, a lawn protective material as shown in FIG. 7a composed of a treading part and a through-hole part to protect the plant from the treading pressure of a person entering the lawn or a car (JP-A-2-145137, JP-A-4-75541) Have been proposed and used.
Furthermore, in order to relieve human treading pressure when these lawn protective materials are used, a flat upper frame is installed on the lawn protective material to increase the area of contact between the human foot and the upper frame, Japanese Patent Laid-Open No. 5-56724 discloses a lawn protective material as shown in FIG.
Furthermore, Japanese Patent Application Laid-Open No. 2008-35856 proposes a further reduction in treading pressure by combining a three-layer structure frame in which the uppermost frame is formed of a flexible material.
In the method of engaging the plant protection material composed of the lower frame and the upper frame, welding or bonding to each other is between different kinds of resins and is not practical. There is a need for an easily engageable means that can be reliably won.
本発明は、上部枠と下部枠からなる芝生保護材における上下方向の係合手段の提案である。 The present invention is a proposal of an engaging means in the vertical direction in a lawn protective material comprising an upper frame and a lower frame.
本第1の発明は、基盤上に敷設される下部枠と下部枠上に係合される上部枠からなる芝生保護材にあって、下部枠と上部枠は共に網目状とされ、互いに上下に係合されるときその網目の交点が一致し、下部枠の交点には上方に突出する突状部が設けられ、その上端部は膨張部とされ、上枠部は柔軟な素材で形成され、その交点には下方に開き上部で閉じた筒状部が設けられ、筒状部の内径は前記膨張部の外径より小さく、下部枠の突状部が上部枠の筒状部に挿入されるとき突状部上端に設けた膨張部が筒状部を膨らますことで下部枠と上部枠の係合を確実とする下部枠と上部枠が係合した芝生保護材である。
本第２の発明は、基盤上に敷設される下部枠と下部枠上に係合される上部枠からなる芝生保護材にあって、下部枠と上部枠は共に網目状とされ、互いに上下に係合されるときその網目の交点が一致し、下部枠の交点には上方に突出する突状部が設けられ、その上端部は膨張部とされ、当該膨張部の頂部に割れ目が設けられ、上枠部は柔軟な素材で形成され、その交点には下方に開き上部で閉じた筒状部が設けられ、筒状部の内径は前記膨張部の外径より小さく、下部枠の突状部が上部枠の筒状部に挿入されるとき膨張部がその割れ目を閉じることで挿入を容易にする下部枠と上部枠が係合した芝生保護材である。
本第３の発明は、基盤上に敷設される下部枠と下部枠上に係合される上部枠からなる芝生保護材にあって、下部枠と上部枠は共に網目状とされ、互いに上下に係合されるときその網目の交点が一致し、下部枠の交点には上方に突出する突状部が設けられ、その上端部は膨張部とされ、当該膨張部の表面に溝が設けられ、上枠部は柔軟な素材で形成され、その交点には下方に開き上部で閉じた筒状部が設けられ、筒状部の内径は前記膨張部の外径より小さく、下部枠の突状部が上部枠の筒状部に挿入されるとき筒状部中の空気が前記膨張部の表面に設けた溝を介して外部に排出される下部枠と上部枠が係合した芝生保護材である。
This first aspect of the invention, in the grass protection material consisting of an upper frame is engaged with the lower frame and the lower frame on which is laid on a foundation, the lower frame and the upper frame are both a mesh-like, one above the other the intersection of the mesh is matched when they are engaged, protrusion protruding upward is provided in the intersection of the lower frame, the upper end portion is an expansion unit, the upper frame portion is formed of a flexible material, A cylindrical portion that opens downward and closes at the top is provided at the intersection. The inner diameter of the cylindrical portion is smaller than the outer diameter of the expansion portion, and the protruding portion of the lower frame is inserted into the cylindrical portion of the upper frame. expanded portion provided on the protrusion upper end time is the lawn protecting material lower frame and the upper frame is engaged to ensure the engagement of the lower frame and the upper frame by inflating the tubular portion.
The second aspect of the present invention is a lawn protective material comprising a lower frame laid on a base and an upper frame engaged on the lower frame, and the lower frame and the upper frame are both mesh-shaped and are vertically above each other. When engaged, the intersection of the meshes coincides, the intersection of the lower frame is provided with a protruding portion protruding upward, the upper end portion is an inflatable portion, and a crack is provided at the top of the inflatable portion, The upper frame part is formed of a flexible material, and a cylindrical part that opens downward and closes at the upper part is provided at the intersection, and the inner diameter of the cylindrical part is smaller than the outer diameter of the expansion part, and the projecting part of the lower frame Is a lawn protective material in which the lower frame and the upper frame engage with each other when the expansion portion closes the crack when the is inserted into the cylindrical portion of the upper frame .
The third aspect of the present invention is a lawn protective material comprising a lower frame laid on a base and an upper frame engaged on the lower frame, and the lower frame and the upper frame are both mesh-shaped and are vertically above each other. When engaged, the intersection of the meshes coincides, the intersection of the lower frame is provided with a protruding portion protruding upward, the upper end portion is an inflating portion, and the groove is provided on the surface of the inflating portion, The upper frame part is formed of a flexible material, and a cylindrical part that opens downward and closes at the upper part is provided at the intersection, and the inner diameter of the cylindrical part is smaller than the outer diameter of the expansion part, and the projecting part of the lower frame Is a lawn protective material in which the lower frame and the upper frame engage with each other when the air in the cylindrical portion is inserted into the cylindrical portion of the upper frame through the groove provided on the surface of the expanding portion. .
本発明は、（１）下部枠の膨張部の外径が筒状部の内径より大きく設定され、且つ上部枠が柔軟な素材で形成されているため、膨張部の挿入に対し筒状部が膨らむことで、上部枠と下部枠との係合を確実にできる。
（２）下部枠の膨張部頂部に割れ目を設け、かつ上部枠は柔らかい素材で形成され、その筒状部内径より大きく設定し、膨張部が筒状部中に挿入するとき膨張部の分割部が閉じることで、上部枠と下部枠との係合を容易に且つ確実にできる。
（３）膨張部の表面に溝を設けたため、膨張部を筒状部内に挿入するとき内部の空気がこの溝を介して排出されるため挿入時の抵抗が減る。と同時に人の踏み圧時に中の空気が踏み圧により排出されるため踏み圧に対する反力が減少する。
In the present invention, (1) the outer diameter of the expansion portion of the lower frame is set to be larger than the inner diameter of the cylindrical portion, and the upper frame is formed of a flexible material. By swelling, the engagement between the upper frame and the lower frame can be ensured.
(2) A split is provided at the top of the expansion part of the lower frame, and the upper frame is made of a soft material and is set to be larger than the inner diameter of the cylindrical part, and the expansion part is inserted into the cylindrical part. By closing, the engagement between the upper frame and the lower frame can be easily and reliably performed.
(3) Since the groove is provided on the surface of the inflating portion, when the inflating portion is inserted into the cylindrical portion, the internal air is discharged through the groove, so that the resistance during insertion is reduced. At the same time, since the air inside is exhausted by the stepping pressure when the person is stepping on, the reaction force against the stepping pressure decreases.
以下本発明を図により詳細に説明する。
図１は、本芝生保護材を構成する上部枠の例を示す平面、断面を示す概念図である。図１ａは、上部枠の平面図、図１ｂはA-A’線での断面図である。上部枠は格子状で、格子の中心はその中心に開口し他端が閉鎖された筒状部となっている。筒状部が従来の芝生保護材の踏み圧部に相当し、格子の目が透水部に相当する。上部枠はエラストマー、ゴム等の柔軟な素材で形成される。
The present invention will be described in detail below with reference to the drawings.
FIG. 1 is a conceptual view showing a plane and a cross section showing an example of an upper frame constituting the lawn protective material. 1A is a plan view of the upper frame, and FIG. 1B is a cross-sectional view taken along the line AA ′. The upper frame has a lattice shape, and the center of the lattice is a cylindrical portion that opens at the center and is closed at the other end. The cylindrical portion corresponds to the stepping pressure portion of the conventional lawn protective material, and the grid eyes correspond to the water permeable portion. The upper frame is formed of a flexible material such as elastomer or rubber.
図２は、本芝生保護材を構成する下部枠の例を示す平面、断面を示す概念図である。図２ａは、突状部の上端が膨張部とされた平面図、A-A’線での断面図である。図２ｂは、突状部の上端の膨張部頂部に十字の割れ目が設けられた、平面図、A-A’線での断面図である。
下部枠は格子状で、格子の中心に上方に突出する突状部が設けられその上端部には膨張部が設けられている。下枠部の膨張部が上部枠の筒状部内に挿入される特、割れ目の設けられていない膨張部は筒状部を押し広げながら挿入される。膨張部に割れ目の設けられた場合、割れ目がすぼまりながら筒状部内に挿入されるため、挿入時の抵抗が軽減される。
図３は膨張部の表面に溝を設けた例を示している。
図１、図２では上部枠、下部枠は格子状に表されているが網目状であってもよく、上部枠と下部枠の交点及び網目が重なればよい。
FIG. 2 is a conceptual diagram showing a plane and a cross section showing an example of a lower frame constituting the lawn protective material. FIG. 2A is a plan view in which the upper end of the projecting portion is an expanded portion, and a cross-sectional view taken along the line AA ′. FIG. 2B is a plan view, a cross-sectional view taken along the line AA ′, in which a cross-shaped crack is provided at the top of the inflating portion at the upper end of the protruding portion.
The lower frame has a lattice shape, and a projecting portion protruding upward is provided at the center of the lattice, and an inflating portion is provided at an upper end portion thereof. The expansion part of the lower frame part is inserted into the cylindrical part of the upper frame, and the expansion part not provided with the crack is inserted while expanding the cylindrical part. When a crack is provided in the inflatable part, the crack is narrowed and inserted into the cylindrical part, so that resistance during insertion is reduced.
FIG. 3 shows an example in which a groove is provided on the surface of the expanding portion.
In FIG. 1 and FIG. 2, the upper frame and the lower frame are shown in a lattice shape, but may be a mesh shape, as long as the intersection point and the mesh of the upper frame and the lower frame overlap.
図４は、上部枠と下部枠が係合される状態を示している。図４ａは上部枠、図４ｂは下部枠、図４ｃは上部枠と下部枠とを係合した状態を示している。
本図の例では、下部枠の突状部に設けられた膨張部は、その頂点に十字の割れ目が設けられ、外圧によりすぼまるように形成されている。更に膨張部の最外径は筒状部の内径よりわずかに大きく設定されている。そのため下部枠の膨張部は上部枠の筒状部内に割れ目をすぼめながら挿入される。また上部枠は柔軟な素材で形成されているため膨張部の挿入により筒状部内が膨らみ、上部枠と下部枠の係合が確実に果たされる。
Figure 4 shows a state where the upper frame and the lower frame are engaged. Figure 4a is an upper frame, Figure 4b lower frame, Figure 4c shows a state in which engaging the upper frame and the lower frame.
In the example of this figure, the expansion part provided in the projecting part of the lower frame is provided with a cross-shaped crack at the apex, and is formed so as to sag due to external pressure. Furthermore, the outermost diameter of the expanding portion is set slightly larger than the inner diameter of the cylindrical portion. Therefore, the expansion part of the lower frame is inserted into the cylindrical part of the upper frame while reducing the cracks. Further, since the upper frame is formed of a flexible material, the inside of the cylindrical portion is expanded by inserting the expansion portion, and the engagement between the upper frame and the lower frame is surely achieved.
以下本植物保護材の使用例を記述する。
本上部枠と下部枠の２層構造での使用例を図５に示す。
本使用例では従来の踏み圧部と透水部を有する植物保護材と同様、格子部が踏み圧部として機能し、格子の目に当たる部分が透水部として機能する。従い芝等の植物は透水部から延伸し、新芽に掛かる踏み圧は踏み圧部で支えられるため直接掛かることがない。従来の芝生保護材と同様、左右前後に連結配置されて使用される。また、前後左右に連結するための連結部を適宜設けることも従来の芝生保護材と変わらない。
Examples of use of this plant protection material are described below.
An example of use in a two-layer structure of the upper frame and the lower frame is shown in FIG.
In this usage example, the lattice portion functions as a foot pressure portion and the portion of the lattice that corresponds to the eyes functions as the water permeable portion, as in the case of a conventional plant protection material having a foot pressure portion and a water permeable portion. Therefore, plants such as turf extend from the water-permeable part, and the treading pressure applied to the shoots is supported directly by the treading pressure part, so it is not directly applied. Like the conventional lawn protective material, it is used by being connected to the left and right front and back. Moreover, providing the connection part for connecting with front and back, right and left is also the same as the conventional lawn protective material.
図６は、より強い踏み圧を受ける場合の使用例である。最下層部に戴円錐形の頂部を踏み圧部とし、その下部で互いに連結され、踏み圧部で囲まれた場所を透水部とする図７ａに示す従来の基礎枠が用いられる。この場合下部枠の下及び基礎枠の踏み圧部頂部に互いを係合する係合部を設けることは従来の芝生保護材と同様である。
いずれの使用例においても踏み圧部が人あるいは車の踏み圧を受け、透水部が土壌を充填し芝等の植物を育成させると共に雨水等が地中に浸透する場所となることは同様である。
FIG. 6 shows an example of use when receiving a stronger pedal pressure. A conventional basic frame shown in FIG. 7a is used in which the top portion of the conical shape is used as the stepping pressure portion in the lowermost layer portion, and the portions are connected to each other at the lower portion and surrounded by the stepping pressure portion. In this case, it is the same as that of the conventional lawn protective material to provide an engaging portion that engages with each other under the lower frame and on the top of the foot pressure portion of the foundation frame.
In any use example, it is the same that the treading pressure part receives the treading pressure of a person or a car, and the water permeable part fills the soil and grows plants such as turf and rainwater penetrates into the ground. .
本芝生保護材の材質は、基礎枠はコンクリート製品あるいは射出成形可能なポリオレフィンなどで製造される。下部枠は射出成形可能なポリオレフィンなどで製造される。上部枠と下部枠の格子の目の少なくとも一部は雨水等が地中に浸透可能となるよう、上下に連通するように配列することが好ましい。上部枠の材質は、上述したように踏圧により筒部が撓む必要があるためゴムなどを含むエラストマー製が好ましい。 As for the material of the lawn protective material, the base frame is manufactured from a concrete product or an injection moldable polyolefin. The lower frame is made of an injection moldable polyolefin or the like. It is preferable that at least a part of the grids of the upper frame and the lower frame are arranged so as to communicate vertically so that rainwater or the like can penetrate into the ground. As described above, the material of the upper frame is preferably made of an elastomer containing rubber or the like because the cylindrical portion needs to be bent by the stepping pressure as described above.
本芝生保護材は左右上下に連結され、広場などの芝生保護に使用される。 This lawn protective material is connected to the left and right and up and down, and is used to protect lawns such as open spaces.
１ 芝生保護材
２ 上部枠
３ 下部枠
４ 筒状部
５ 突状部
６ 膨張部
７ 割れ目
８ 溝
９ 基礎枠
９１ 踏み圧部
９２ 透水部
１０ 平坦な上部枠
DESCRIPTION OF SYMBOLS 1 Lawn
Claims (3)
A lawn protective material comprising a lower frame laid on a base and an upper frame engaged on the lower frame, wherein the lower frame and the upper frame are both mesh-shaped, and when meshed together, the mesh The upper frame part is provided with a protruding part protruding upward, the upper end part is an inflating part, the surface of the inflating part is provided with a groove, and the upper frame part is a flexible material. A cylindrical portion that opens downward and closes at the top is provided at the intersection, and the inner diameter of the cylindrical portion is smaller than the outer diameter of the expansion portion, and the protruding portion of the lower frame is the cylindrical portion of the upper frame. A lawn protective material in which the lower frame and the upper frame are engaged with each other so that the air in the cylindrical part is discharged to the outside through a groove provided on the surface of the inflating part when inserted into the surface .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009019659A JP5440833B2 (en) | 2009-01-30 | 2009-01-30 | Lawn protective material with lower and upper frames engaged |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009019659A JP5440833B2 (en) | 2009-01-30 | 2009-01-30 | Lawn protective material with lower and upper frames engaged |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010172285A JP2010172285A (en) | 2010-08-12 |
| JP5440833B2 true JP5440833B2 (en) | 2014-03-12 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009019659A Active JP5440833B2 (en) | 2009-01-30 | 2009-01-30 | Lawn protective material with lower and upper frames engaged |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS596464U (en) * | 1982-07-07 | 1984-01-17 | 株式会社林造園 | Creeping plant protection step |
| JPH062012B2 (en) * | 1988-11-25 | 1994-01-12 | 株式会社林物産 | Lawn protection step |
| JP3055979B2 (en) * | 1991-08-30 | 2000-06-26 | 株式会社林物産 | Creeping plant protection material |
| JP3370162B2 (en) * | 1993-12-09 | 2003-01-27 | 株式会社林物産 | Connection structure of plant protection tread |
| JP2007282522A (en) * | 2006-04-13 | 2007-11-01 | Shinichiro Hayashi | Plant protective material |
| JP4941859B2 (en) * | 2006-06-16 | 2012-05-30 | 株式会社 林物産発明研究所 | Plant protection material |
| JP2008136442A (en) * | 2006-12-05 | 2008-06-19 | Hayashi Bussan Hatsumei Kenkyusho:Kk | Water supply device, plant protection method using the same, and method for supplying water to block pavement frame body |
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2009
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| JP2010172285A (en) | 2010-08-12 |
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