WO2001027395A1 - Covering system using polyethylene panels - Google Patents

Covering system using polyethylene panels Download PDF

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Publication number
WO2001027395A1
WO2001027395A1 PCT/FR2000/002873 FR0002873W WO0127395A1 WO 2001027395 A1 WO2001027395 A1 WO 2001027395A1 FR 0002873 W FR0002873 W FR 0002873W WO 0127395 A1 WO0127395 A1 WO 0127395A1
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WO
WIPO (PCT)
Prior art keywords
plate
assembly
plates
polyethylene
coating system
Prior art date
Application number
PCT/FR2000/002873
Other languages
French (fr)
Inventor
Clotilde Martine Griguer
Original Assignee
Clotilde Martine Griguer
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Clotilde Martine Griguer filed Critical Clotilde Martine Griguer
Priority to AU79296/00A priority Critical patent/AU7929600A/en
Publication of WO2001027395A1 publication Critical patent/WO2001027395A1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
    • E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
    • E04B1/6116—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by locking means on lateral surfaces
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C9/00—Special pavings; Pavings for special parts of roads or airfields
    • E01C9/08—Temporary pavings
    • E01C9/086—Temporary pavings made of concrete, wood, bitumen, rubber or synthetic material or a combination thereof
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/06—Foundation trenches ditches or narrow shafts
    • E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls
    • E02D29/025—Retaining or protecting walls made up of similar modular elements stacked without mortar

Definitions

  • the present invention relates to the field of prefabricated coverings for earth and ground support, made of polyethylene. It is a temporary wall system consisting of an assembly of polyethylene plates joined together by nylon clips. INNOVATIVE CHARACTER OF THIS PROCESS
  • the process is unique, its use is multiple. This mainly involves using this plate system to prefabricate temporary walls in earth trenches, themselves made for the passage of cable or piping.
  • the application of this invention is very broad and applies both in the field of Public Works activity sectors and in the field of events.
  • the problems solved by the present invention are as follows: - Stabilization of the underground walls,
  • the plate measures 2 m high by 1 m wide
  • the plate also installed vertically allows prefabricating palisades of 2 m or even 3,
  • the plaque also allows access to the public. In this case, the positioning of the plate is carried out so as to install the non-slip face above.
  • the application of this invention is therefore very broad and is important for construction managers in the building and public works sector, and more particularly for workers operating in trenches for the passage of cables or pipes.
  • the plates will be linked together by a system of staples positioned astride two plates.
  • Each plate will have five staples of parts and others, that is to say five points of assembly in the direction of the height, and two staples or two points of assembly in the direction of the width.
  • Each plate surface is flat, a surface will be slightly rough and therefore non-slip, in the event that they are installed horizontally to allow the public to circulate without risk.
  • the plate installed vertically will be placed on the ground in a notched stud to stabilize the plate.
  • a plot is used every 4/5 m.
  • a polyethylene shoring is installed in height, in order to consolidate the blocking of the plates.
  • This diagram represents a profile view of the plate along its length.
  • the hooks on the surface of the plate represent the five assembly points.
  • the thickness of the plate is 40 mm. DIAGRAM # 2
  • This diagram represents a profile view of the plate across its width.
  • the hooks on the surface of the plate represent the two assembly points.
  • SCHEME n ° 3 This diagram represents a top view of the plate.
  • Flat face representing the five assembly points on each height or length and the two assembly points on each width.
  • This diagram represents a front view of the non-slip side plate, therefore slight roughness.
  • the width of the non-slip strips is approximately 90 mm. DIAGRAM # 5
  • This diagram shows a side view of the clip system used to connect the plates together, as well as a top view of the clip of semi-oval shape.
  • the two notches on the plate receiving the clip are symmetrical. DIAGRAM # 6
  • This perspective diagram represents the manufacturing on either side of the temporary walls of the 3 m high trench.
  • the worker uses a small hammer to splice the plates together, also installing a plate on the upper part of the plate thus forming a larger wall, the forestay B is optional.
  • DIAGRAM # 9 DIAGRAM # 9
  • This diagram represents a horizontal installation, either on the ground of the plates in order to create a platform or public access.
  • the plates are staggered in order to produce a more homogeneous surface and a more reinforced use for the passage of heavy machinery and better protection of the site. DIAGRAM # 10
  • This diagram represents the tool used by the worker to disassemble the plates together. Tool allowing to lift the clip from its base. When the lever (s) A are actuated in the direction of the arrows, they pull on the jaws B while pushing on the axis C. this allows the clips to be moved aside from the clip. By pulling the device in direction D, the clip comes out of its housing. INDUSTRIAL APPLICATION
  • the plates are made of polyethylene material.
  • the process adopted is by injection into the mold. Three molds are required for the fabrication and installation of the plate.
  • a mold for making the plate A mold for making the clip
  • a mold for the manufacture of the support stud is a mold for the manufacture of the support stud.
  • Injection is the process of shaping the material in the mold.
  • the material is heated to make the product malleable for its shaping.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Paleontology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

The invention relates to a temporary barrier wall or temporary platform system, comprising an assembly of polyethylene panels. Each panel is made up of a smooth surface and an antislip surface. Each panel has a practical, resistant means of assembly in the form of five assembly points that are connected by five semi-oval-shaped plastic Nylon® clips. This barrier wall system can be used in a large number of applications and provides a solution to the problems that occur in cable or pipeline trenches. This system performs the main, protective function of wall barriers, makes the working environment more accessible for the worker, can be installed rapidly and ensures a clean, safe environment for the worker.

Description

SYSTEME DE REVETEMENT AU MOYEN DE PLAQUES DE POLYETHYLENE COATING SYSTEM USING POLYETHYLENE PLATES
DESCRIPTIONDESCRIPTION
La présente invention concerne le domaine de revêtements préfabriqués pour soutien de terre et sol, en polyethylene. Il s'agit d'un système de paroi murale temporaire constituée par un assemblage de plaques en polyethylene reliées entre elles par des clips en nylon. CARACTERE INNOVANT DE CE PROCEDEThe present invention relates to the field of prefabricated coverings for earth and ground support, made of polyethylene. It is a temporary wall system consisting of an assembly of polyethylene plates joined together by nylon clips. INNOVATIVE CHARACTER OF THIS PROCESS
Absence totale de procédé antérieur comparable. Seules des planches de bois apposées verticalement dans la terre les unes à côtés des autres sont actuellement utilisées pour faire les protections et soutien de terre dans les tranchées de canalisation. Le caractère innovant de cette invention réside principalement dans le fait de pouvoir réaliser des parois de plaques en polyethylene reliées entre elles par éclissage.Total absence of comparable prior process. Only wooden planks affixed vertically in the ground next to each other are currently used to make the protections and support of earth in the pipe trenches. The innovative character of this invention lies mainly in the fact that it is possible to produce walls of polyethylene plates joined together by splicing.
Le procédé est unique, son utilisation est multiple. Il s'agit principalement d'utiliser ce système de plaques pour préfabriquer des parois temporaires dans des tranchées de terre, elles- mêmes réalisées pour le passage de câble ou tuyauterie. L'application de cette invention est très large et s'applique tant dans le domaine des secteurs d'activités de Travaux Publics qu'au domaine de 1 ' événementiel.The process is unique, its use is multiple. This mainly involves using this plate system to prefabricate temporary walls in earth trenches, themselves made for the passage of cable or piping. The application of this invention is very broad and applies both in the field of Public Works activity sectors and in the field of events.
Ce procédé retient la terre, protège l'homme d'éventuels éboulis de terre ou de cailloux, rend le site plus accessible et propre pour les ouvriers opérant sur les chantiers. PROBLEMES SOLUTIONNESThis process retains the earth, protects the man from possible scree of earth or stones, makes the site more accessible and clean for workers operating on construction sites. SOLVED PROBLEMS
Les problèmes résolus par la présente invention sont les suivants : - Stabilisation des parois souterraines,The problems solved by the present invention are as follows: - Stabilization of the underground walls,
- La plaque mesure 2 m de haut sur 1 m de large,- The plate measures 2 m high by 1 m wide,
- Les plaques reliées entre elles à la verticale forment une paroi plane et stable,- The plates connected to each other vertically form a flat and stable wall,
- Ce procédé s'adapte à tous les terrains,- This process adapts to all terrains,
- Résistance de la plaque - Supporte de fortes pressions et retient les éventuels éboulis de pierre, de boue ou de terre,- Plate resistance - Withstands high pressures and retains possible scree of stone, mud or earth,
- Protection de l'environnement de travail de l'ouvrier- Protection of the work environment of the worker
- Procédé servant de stabilisation de terrains- Method used to stabilize land
- Elle solutionne aussi bien la stabilisation du terrain que l'accès au chantier- It solves both land stabilization and access to the site
- L'aspect plane de la plaque permet une installation rapide sans danger - Propre et sans aucune aspérité pouvant blesser l'ouvrier ou le manutentionnaire- The flat appearance of the plate allows a quick installation without danger - Clean and without any roughness which could injure the worker or the handler
- L'installation de ces plaques forme un coffrage stable et sécurisant pour les hommes de chantier- The installation of these plates forms a stable and secure formwork for site workers
- La plaque installée aussi à la verticale permet de préfabriquer des palissades de 2 m voire 3,- The plate also installed vertically allows prefabricating palisades of 2 m or even 3,
4 m, puisque les plaques sont aussi munies de fermeture ou de points d'assemblage dans le sens de la largeur de la plaque.4 m, since the plates are also provided with closure or assembly points across the width of the plate.
L'utilisation de ce procédé peut être modifiée en installant les plaques horizontalement pour donner une surface plane au sol, servant aussi de : . Stabilisation de matériel (écran géant - matériel de son) . Surface de sol préconisé pour chapiteaux ou tente . Pour couvrir précairement les pistes d'athlétisme en toute protection, dans ce cas, la mise en place de la plaque s'effectue de manière à installer la face lisse en dessous et pour meilleure stabilisation en quinconce.The use of this process can be modified by installing the plates horizontally to give a flat surface to the ground, also serving as:. Equipment stabilization (giant screen - sound equipment). Floor area recommended for marquees or tent . To cover the athletic tracks precariously in all protection, in this case, the positioning of the plate is carried out so as to install the smooth face below and for better staggered stabilization.
. La plaque permet aussi l'accès au public. Dans ce cas, la mise en place de la plaque s'effectue de manière à installer la face antidérapante au-dessus.. The plaque also allows access to the public. In this case, the positioning of the plate is carried out so as to install the non-slip face above.
. Pour des parkings ou des plates formes d'accès. For parking lots or access platforms
L'application de cette invention est donc très large et revêt un caractère important pour les conducteurs de travaux dans le secteur d'activité du Bâtiment et Travaux Publics, et plus particulièrement pour les ouvriers opérant dans des tranchées pour le passage de câbles ou tuyauteries.The application of this invention is therefore very broad and is important for construction managers in the building and public works sector, and more particularly for workers operating in trenches for the passage of cables or pipes.
Dans le domaine de l'événementiel, les plaques installées à l'horizontale solutionnent le passage d'engins, la stabilisation de scènes ou de matériel permettant aussi la fabrication de plate forme servant à recevoir du public ou des charges de fort tonnage. TECHNIQUE Ce système sera constitué de panneaux de polyethylene de 2 m x 1 m pesant chacunIn the field of events, the plates installed horizontally solve the passage of machines, the stabilization of stages or equipment also allowing the manufacture of platform used to receive the public or loads of heavy tonnage. TECHNIQUE This system will consist of polyethylene panels of 2m x 1m each weighing
25 kg environ.25 kg approximately.
Les plaques seront liées entre elles par un système d'agrafes positionnés à cheval sur deux plaques. Chaque plaque aura cinq agrafes de parts et d'autres, soit cinq points d'assemblage dans le sens de la hauteur, et deux agrafes soit deux points d'assemblage dans le sens de la largeur.The plates will be linked together by a system of staples positioned astride two plates. Each plate will have five staples of parts and others, that is to say five points of assembly in the direction of the height, and two staples or two points of assembly in the direction of the width.
Chaque surface de plaque est plane, une surface sera légèrement rugueuse donc antidérapante, dans le cas ou elles seront installées à l'horizontale pour permettre au public de circuler sans risque.Each plate surface is flat, a surface will be slightly rough and therefore non-slip, in the event that they are installed horizontally to allow the public to circulate without risk.
Elles sont de couleur crème mais peuvent être en d'autres teintes en fonction de la demande. La plaque installée à la verticale sera posée au sol dans un plot echancré pour stabiliser la plaque. Un plot est utilisé tous les 4/5 m. Pour bloquer le coffrage, un étayage en polyethylene est installé en hauteur, afin de consolider le blocage des plaques.They are cream in color but can be in other colors depending on demand. The plate installed vertically will be placed on the ground in a notched stud to stabilize the plate. A plot is used every 4/5 m. To block the formwork, a polyethylene shoring is installed in height, in order to consolidate the blocking of the plates.
La présente invention va être décrite en se référant à présent aux schémas. Les schémas numérotés de 1 à 9 montrent une description détaillée de la plaque et de la technique d'installation, de pose et d'assemblage à la verticale comme à l'horizontale. SCHEMA n°lThe present invention will now be described with reference now to the diagrams. The diagrams numbered from 1 to 9 show a detailed description of the plate and the installation, installation and assembly technique both vertically and horizontally. SCHEME n ° l
Ce schéma représente une vue de profil de la plaque sur sa longueur, Les décrochés de la surface de la plaque représentent les cinq points d'assemblage. L'épaisseur de la plaque est de 40 mm. SCHEMA n°2This diagram represents a profile view of the plate along its length. The hooks on the surface of the plate represent the five assembly points. The thickness of the plate is 40 mm. DIAGRAM # 2
Ce schéma représente une vue de profil de la plaque sur sa largeur. Les décrochés de la surface de la plaque représentent les deux points d'assemblage. SCHEMA n°3 Ce schéma représente une vue du dessus de la plaque. Face plane, représentant les cinq points d'assemblage sur chaque hauteur ou longueur et les deux points d'assemblage sur chaque largeur. SCHEMA n°4This diagram represents a profile view of the plate across its width. The hooks on the surface of the plate represent the two assembly points. SCHEME n ° 3 This diagram represents a top view of the plate. Flat face, representing the five assembly points on each height or length and the two assembly points on each width. DIAGRAM # 4
Ce schéma représente une vue de face de la plaque côté antidérapant donc légère aspérité. La largeur des bandes antidérapantes est de 90 mm environ. SCHEMA n°5This diagram represents a front view of the non-slip side plate, therefore slight roughness. The width of the non-slip strips is approximately 90 mm. DIAGRAM # 5
Ce schéma représente une vue de profil du système d'agrafe servant à relier les plaques entre elles, ainsi qu'une vue du dessus de l'agrafe de forme semi ovale. Les deux encoches de la plaque recevant l'agrafe sont symétriques. SCHEMA n°6This diagram shows a side view of the clip system used to connect the plates together, as well as a top view of the clip of semi-oval shape. The two notches on the plate receiving the clip are symmetrical. DIAGRAM # 6
Ce schéma représente la pose de deux plaques reliées entre elles. Les cinq agrafes servent à tenir les plaques entre elles côte à côte sans aucune disjonction. SCHEMA n°7This diagram represents the installation of two plates connected to each other. The five clips are used to hold the plates together side by side without any disjunction. DIAGRAM # 7
Installation de la plaque dans l'échancrure d'un plot servant de stabilisation au sol, ainsi qu'une coupe du plot anti-ripage dont la pointe est enfoncée dans le sol. SCHEMA n°8Installation of the plate in the notch of a stud used to stabilize the ground, as well as a section of the anti-slip stud whose tip is pressed into the ground. DIAGRAM # 8
Ce schéma en perspective représente la fabrication de part et d'autre des parois temporaires de la tranchée de 3 m de hauteur. L'ouvrier utilise un petit marteau pour éclisser les plaques entre elles, aussi l'installation d'une plaque sur la partie haute de la plaque formant ainsi une paroi plus importante, l'étai B est optionnel. SCHEMA n°9This perspective diagram represents the manufacturing on either side of the temporary walls of the 3 m high trench. The worker uses a small hammer to splice the plates together, also installing a plate on the upper part of the plate thus forming a larger wall, the forestay B is optional. DIAGRAM # 9
Ce schéma représente une installation à l'horizontale, soit au sol des plaques afin de créer une plate forme ou un accès public. Les plaques sont mises en quinconce afin de produire une surface plus homogène et une utilisation plus renforcée pour le passage d'engins lourds et une meilleure protection du site. SCHEMA n°10This diagram represents a horizontal installation, either on the ground of the plates in order to create a platform or public access. The plates are staggered in order to produce a more homogeneous surface and a more reinforced use for the passage of heavy machinery and better protection of the site. DIAGRAM # 10
Ce schéma représente l'outil utilisé par l'ouvrier pour désassembler les plaques entre elles. Outil permettant ainsi de soulever le clip de son embase. Lorsque le (s) leviers A sont actionnés dans le sens des flèches, ils tirent sur les mâchoires B tout en poussant sur l'axe C. cela permet d'écarter les pinces du clip. En tirant l'appareil dans le sens D, le clip sort de son logement. APPLICATION INDUSTRIELLEThis diagram represents the tool used by the worker to disassemble the plates together. Tool allowing to lift the clip from its base. When the lever (s) A are actuated in the direction of the arrows, they pull on the jaws B while pushing on the axis C. this allows the clips to be moved aside from the clip. By pulling the device in direction D, the clip comes out of its housing. INDUSTRIAL APPLICATION
Les plaques sont fabriquées en matière polyethylene. Le procédé adopté se fait par injection dans le moule. Trois moules sont nécessaires pour la fabrication et l'installation de la plaque.The plates are made of polyethylene material. The process adopted is by injection into the mold. Three molds are required for the fabrication and installation of the plate.
Un moule pour la fabrication de la plaque Un moule pour la fabrication du clipA mold for making the plate A mold for making the clip
Un moule pour la fabrication du plot de soutien.A mold for the manufacture of the support stud.
L'injection est le procédé de mise en forme de la matière dans le moule. La matière est chauffée afin de rendre le produit malléable pour sa mise en forme.Injection is the process of shaping the material in the mold. The material is heated to make the product malleable for its shaping.
COMPOSITION CHIMIQUE Polyethylene 90% de PEHDCHEMICAL COMPOSITION Polyethylene 90% HDPE
Matière colorant 5%Coloring matter 5%
Agent gonflant 3%Blowing agent 3%
Antistatique 1%Antistatic 1%
Auto extinguible 1% Self-extinguishing 1%

Claims

REVENDICATIONCLAIM
1 - Système de revêtement de plaques préfabriquées en polyethylene, formant des parois murales ou des coffrages temporaires servant à des soutiens de terre, et de protection d'éventuels éboulis de boue, de terre ou de cailloux. Utilisé principalement dans des tranchées de passage de canalisation.. 2 - Système de revêtement selon revendication 1 caractérisé en ce que chaque plaque comporte un système d'assemblage formé par cinq points d'ancrage, afin qu'elles soient liées et maintenues entre elles par cinq agrafes.1 - System for coating prefabricated polyethylene plates, forming wall walls or temporary forms serving as earth supports, and for protecting possible scree of mud, earth or stones. Mainly used in trenches for pipeline passage. 2 - Coating system according to claim 1 characterized in that each plate comprises an assembly system formed by five anchoring points, so that they are linked and held together by five staples.
3 - Système de revêtement selon revendication 2 caractérisé en ce que la plaque soit positionnée dans un plot de stabilisation au sol. 4 - Système de revêtement selon revendication 3 caractérisé en ce que les plaques une fois liées entre elles peuvent être rehaussées de 1 à 2 m pour former une paroi murale et de protection plus haute, liées par les deux points d'assemblage prévus sur la largeur de la plaque.3 - Coating system according to claim 2 characterized in that the plate is positioned in a ground stabilization pad. 4 - Coating system according to claim 3 characterized in that the plates once linked together can be raised by 1 to 2 m to form a higher protective wall and wall, linked by the two assembly points provided across the width of the plate.
5 - Système de revêtement selon revendication 4 caractérisé par ce que la plaque soit fabriquée en alliage de matière plastique pour l'essentiel de polyethylene. 6 - Système de revêtement selon revendication 1 caractérisé en ce que la plaque est obtenue par injection à chaud. 5 - Coating system according to claim 4 characterized in that the plate is made of plastic alloy mainly of polyethylene. 6 - Coating system according to claim 1 characterized in that the plate is obtained by hot injection.
PCT/FR2000/002873 1999-10-13 2000-10-13 Covering system using polyethylene panels WO2001027395A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU79296/00A AU7929600A (en) 1999-10-13 2000-10-13 Covering system using polyethylene panels

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9912750A FR2799774B1 (en) 1999-10-13 1999-10-13 POLYETHYLENE SHEET COATING SYSTEM FORMING WALLS OR TEMPORARY FORMWORK FOR EARTH SUPPORTS AND PROTECTION OF POSSIBLE BURIALS IN TRENCHES
FR99/12750 1999-10-13

Publications (1)

Publication Number Publication Date
WO2001027395A1 true WO2001027395A1 (en) 2001-04-19

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AU (1) AU7929600A (en)
FR (1) FR2799774B1 (en)
WO (1) WO2001027395A1 (en)

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WO2006107220A1 (en) * 2005-04-07 2006-10-12 Icube Limited Modular furniture subassembly, component therefor and method of assembling a modular furniture subassembly
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CN104882792A (en) * 2015-06-17 2015-09-02 国网山东省电力公司枣庄供电公司 Assembly-type support of transformer substation secondary equipment room
US20160060839A1 (en) * 2014-08-29 2016-03-03 Ground Protection, Llc Sheeting panels and sheeting-panel systems
US10081926B2 (en) * 2014-09-17 2018-09-25 EZE Shoring (Halifax) Limited Trench wall support
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FR2628128A1 (en) * 1988-03-07 1989-09-08 Ind Entreprise Prefabricated modular wall construction - uses polyhedral planar panels with cut=outs at corners to form openings for passage of two=part fasteners
DE3933611A1 (en) * 1989-10-07 1991-04-11 Varta Plastic Gmbh Plastics panels for prevention of soil erosion - can be fastened edge-to-edge to cover large area
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Publication number Priority date Publication date Assignee Title
FR591275A (en) * 1924-01-08 1925-07-01 Device for fixing wooden or other posts
US4315887A (en) * 1978-10-20 1982-02-16 Josef Kubat Injection moulding of high molecular polyethylene using elevated mould temperature
FR2628128A1 (en) * 1988-03-07 1989-09-08 Ind Entreprise Prefabricated modular wall construction - uses polyhedral planar panels with cut=outs at corners to form openings for passage of two=part fasteners
DE3933611A1 (en) * 1989-10-07 1991-04-11 Varta Plastic Gmbh Plastics panels for prevention of soil erosion - can be fastened edge-to-edge to cover large area
EP0517775B1 (en) * 1990-03-02 1994-06-22 Terraplas Limited Cover for an area of ground
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* Cited by examiner, † Cited by third party
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US20140377015A1 (en) * 2011-07-15 2014-12-25 Arthur L. Price Sheeting panels for trench-shoring systems
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