CH670572A5

CH670572A5 - Panels of turf or humus supported by porous tray opt. of plastic - to facilitate repair and reinforcement of locally worn zones of playing fields such as football pitches

Info

Publication number: CH670572A5
Application number: CH146486A
Authority: CH
Inventors: Walter Bischoff
Original assignee: Walter Bischoff
Priority date: 1986-04-14
Filing date: 1986-04-14
Publication date: 1989-06-30

Abstract

Patches of portable turf comprise natural grass rooted in a layer of humus on an underlying support which is permeable and sufficiently rigid and durable to allow the turf to be relocated as desired. Specifically, the support may be a porous concrete, based on an aggregate of expanded clay, or metallic or of a plastics material. The humus may include one or more layers of a flexible plastics material. The support may include side-walls, pref. of plastics film or sheet, to at least partly contain the humus laterally. USE - Esp. for construction of sports pitches for e.g., football, to provide a natural grass surface while allowing areas of localised wear to be readily renewed and refreshed. The panels may vary in size or shape, to fit together with or without zones within or between and under the panels filled with a more porous material such as sand for enhanced drainage.

Description

       

  
 



   DESCRIPTION



   Tout terrain de jeu en gazon naturel, et tout spécialement un terrain de football devant les buts, souffre d'une usure inévitable du gazon lors des piétinements (matches). Actuellement, les seuls remèdes de réfection consistent soit au replacage d'une mince couche de gazon précultivé sur le sol existant, soit à un réensemencement de la surface, mais, dans les deux cas, une immobilisation du terrain durant plusieurs semaines, voire plusieurs mois, est inévitable.



   Seuls les terrains en gazon synthétique ne connaissent pas d'usure similaire, mais ces derniers, d'une part, ne sont pas accessibles à tous les clubs vu leur prix et, d'autre part, présentent certains autres inconvénients.



   Le gazon précultivé sur un support mobile, avec tout son volume de couche d'humus nécessaire aussi bien pour la croissance du gazon que pour l'exercice du jeu, permettra un échange rapide des surfaces abîmées.



   Pour assurer un gazon de rechange identique à celui existant, il suffira de précultiver le gazon mobile à proximité des surfaces à échanger (zones de dégagement, par exemple, pour un terrain de football).



   La présente invention a pour objet un gazon mobile, constitué par une couche d'humus comportant de l'herbe, supportée par des éléments rigides, résistants et perméables, permettant le déplacement.

 

   Le dessin annexé représente,. à titre d'exemple, une forme d'exécution du gazon mobile objet de l'invention.



   La fig. 1 en est une vue en coupe.



   La fig. 2 représente plusieurs éléments en coupe et en plan, mais mis en place sur le terrain.



   Le gazon mobile représenté est constitué par un support en éléments rigides, résistants et perméables 1 (exemple: beton poreux), de façon à recevoir une couche d'humus 2 nécessaire à la bonne croissance du gazon 3.



   La couche d'humus 2 sert en même temps de support à l'exercice du jeu. Les éléments ainsi constitués sont posés sur une infrastructure (sous-sol) perméable et drainante 4.



   Une fois les éléments posés,   l'utilisation    peut en être instantanée. 



  
 



   DESCRIPTION



   Any playing field made of natural grass, and especially a football field in front of goals, suffers from inevitable wear of the grass during trampling (matches). Currently, the only remedial remedies consist either of replacing a thin layer of precultivated grass on the existing soil, or reseeding the surface, but, in both cases, immobilizing the land for several weeks or even months. , is inevitable.



   Only synthetic turf pitches do not experience similar wear, but these, on the one hand, are not accessible to all clubs given their price and, on the other hand, have certain other drawbacks.



   The precultivated turf on a mobile support, with all its volume of humus layer necessary both for the growth of the turf and for the exercise of the game, will allow a rapid exchange of damaged surfaces.



   To ensure a replacement turf identical to the existing one, it will suffice to pre-cultivate the mobile turf near the surfaces to be exchanged (clearance zones, for example, for a football field).



   The present invention relates to a mobile lawn, consisting of a layer of humus comprising grass, supported by rigid elements, resistant and permeable, allowing movement.

 

   The attached drawing represents ,. by way of example, an embodiment of the mobile lawn which is the subject of the invention.



   Fig. 1 is a sectional view thereof.



   Fig. 2 shows several elements in section and in plan, but put in place on the ground.



   The mobile grass represented is constituted by a support made of rigid, resistant and permeable elements 1 (example: porous concrete), so as to receive a layer of humus 2 necessary for the good growth of the grass 3.



   The humus layer 2 also serves as a support for the exercise of the game. The elements thus formed are placed on a permeable and draining infrastructure (basement) 4.



   Once the elements are installed, use can be instantaneous.

Claims

CLAIMS 1. Mobile grass, consisting of a layer of humus comprising grass, supported by rigid, resistant and permeable elements, allowing movement.

2. Mobile grass according to claim 1, characterized in that the support elements are made of porous concrete, for example comprising aggregates of expanded clay.

3. Mobile grass according to claim 1, characterized in that the support elements are made of synthetic material.

4. Mobile grass according to claim 1, characterized in that the support elements are made of metal construction.

5. Mobile grass according to claim 1, characterized in that the support elements are provided with a lifting and positioning system.

6. Mobile grass according to claim 1, characterized in that the humus layer is composed of one or more layers of flexible synthetic material.

7. Mobile grass according to claim I, characterized in that the humus is retained from the side by plates or sheets of synthetic material.

8. Mobile grass according to claim 1, characterized in that it comprises elements juxtaposed or with a space, filled with sand or other synthetic material forming drainage.

9. mobile grass according to claim 8, characterized in that the size of the elements is variable.