WO2016059193A1 - Feuille pour la protection d'une surface de coffrage, installation de coffrage, procédé de fabrication et procédé de mise en oeuvre - Google Patents
Feuille pour la protection d'une surface de coffrage, installation de coffrage, procédé de fabrication et procédé de mise en oeuvre Download PDFInfo
- Publication number
- WO2016059193A1 WO2016059193A1 PCT/EP2015/073959 EP2015073959W WO2016059193A1 WO 2016059193 A1 WO2016059193 A1 WO 2016059193A1 EP 2015073959 W EP2015073959 W EP 2015073959W WO 2016059193 A1 WO2016059193 A1 WO 2016059193A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sheet
- layer
- formwork
- additive
- adhesive layer
- Prior art date
Links
- 238000009415 formwork Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000009434 installation Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 239000010410 layer Substances 0.000 claims abstract description 109
- 239000012790 adhesive layer Substances 0.000 claims abstract description 23
- 239000004035 construction material Substances 0.000 claims abstract description 12
- 230000015572 biosynthetic process Effects 0.000 claims abstract 2
- 239000000654 additive Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 19
- 230000000996 additive effect Effects 0.000 claims description 18
- 239000004566 building material Substances 0.000 claims description 18
- 238000001125 extrusion Methods 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 230000004224 protection Effects 0.000 claims description 5
- 239000002313 adhesive film Substances 0.000 claims description 4
- 239000000049 pigment Substances 0.000 claims description 3
- 238000009432 framing Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims 1
- 239000002861 polymer material Substances 0.000 abstract 1
- 239000004033 plastic Substances 0.000 description 23
- 229920003023 plastic Polymers 0.000 description 23
- 239000004567 concrete Substances 0.000 description 22
- 230000001681 protective effect Effects 0.000 description 12
- 239000003921 oil Substances 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/30—Safety or protective measures preventing damage to building parts or finishing work during construction against mechanical damage or dirt, e.g. guard covers of stairs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0064—Moulds characterised by special surfaces for producing a desired surface of a moulded article, e.g. profiled or polished moulding surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/36—Linings or coatings, e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article
- B28B7/364—Linings or coatings, e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article of plastic material or rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
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- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/002—Workplatforms, railings; Arrangements for pouring concrete, attached to the form
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
- E04G19/003—Arrangements for stabilising the forms or for moving the forms from one place to another
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G9/00—Forming or shuttering elements for general use
- E04G9/10—Forming or shuttering elements for general use with additional peculiarities such as surface shaping, insulating or heating, permeability to water or air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/02—Synthetic macromolecular particles
- B32B2264/0214—Particles made of materials belonging to B32B27/00
- B32B2264/0221—Thermoplastic elastomer particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/105—Metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/712—Weather resistant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2419/00—Buildings or parts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2571/00—Protective equipment
Definitions
- the present invention relates to a sheet for protecting a form surface for framing a building material.
- the invention also relates to a formwork installation equipped with at least one such sheet.
- the invention also relates to a manufacturing method and a method for implementing such a sheet.
- the field of the invention is that of formwork equipment.
- a formwork installation comprises a temporary enclosure designed for shaping a building material, such as concrete, reinforced or not.
- the material may be cement, plaster or rammed earth.
- the concrete is poured and then held in the enclosure during its setting and hardening.
- the enclosure is delimited by panels with formwork surfaces, usually metal, wood or plywood, which are subject to many constraints in use.
- formwork surfaces usually metal, wood or plywood, which are subject to many constraints in use.
- the form and surface condition of the form surfaces define the final shape and surface condition of the concrete after curing and stripping.
- the form surfaces are spread apart to release the concrete. If concrete adheres to the form surfaces, its surface condition and even its integrity may be degraded. To facilitate the formwork removal, it is therefore important that the formwork surfaces have a surface condition that is as smooth as possible, with no unevenness. Nevertheless, the wear of the formwork surfaces increases over time. Thus, to further facilitate the formwork, it is known to coat the formwork surfaces with oil or release agent before pouring the concrete into the enclosure.
- the object of the present invention is to overcome the above disadvantages.
- the subject of the invention is a sheet for the protection of a formwork surface intended to frame a construction material, characterized in that the sheet comprises at least: a front layer, including at least one polymeric material and intended to be in contact with the construction material to reduce wear and scratching on the form surface and to limit adhesion of the construction material during stripping; and a rear adhesive layer, adapted to be positioned against the form surface and to secure the sheet to the form surface, prior to feeding the building material.
- the invention facilitates the stripping of the building material, while avoiding the use of harmful oils and stripping agents and pollutants.
- the final surface state of the material is improved. Workers no longer need binding protective equipment. Soils of the construction site and surroundings are no longer polluted by oils or formwork agents.
- the sheet can be quickly applied to the form surface. The same sheet can be reused for several successive formwork operations, for example five operations in a row, remaining installed on the same formwork surface, which represents a saving of time and therefore money.
- the same sheet is resistant to contact with the building material for several days under site conditions (humidity, sunshine, abrasion, etc.).
- the sheet also comprises a wear indicator layer disposed against the front layer, on the side of the rear adhesive layer.
- the wear control layer includes at least one polymeric material and has a different color of the front layer.
- the sheet also comprises: an intermediate layer, including at least one polymeric material or other material and disposed against the adhesive layer; and a wear control layer interposed between the front layer and the intermediate layer.
- the adhesive layer is constituted by a double-sided adhesive film or a volume of adhesive.
- the sheet comprises at least one additive integrated in at least one layer including at least one polymeric material, for example metal pigments, an anti-UV additive, an elasticizing additive, a stiffening additive, a heat resistance additive and / or or an antistatic additive.
- at least one additive integrated in at least one layer including at least one polymeric material for example metal pigments, an anti-UV additive, an elasticizing additive, a stiffening additive, a heat resistance additive and / or or an antistatic additive.
- the sheet has at least one through hole, pre-drilled to receive a holding key.
- the invention also relates to a formwork installation equipped with at least one sheet as mentioned above.
- the installation can be vertical, in particular for making a wall, and have two formwork surfaces arranged opposite.
- the installation is preferably equipped with at least two sheets arranged opposite and defining a formwork volume of the building material.
- the installation can be horizontal, especially for making a floor or a ceiling, and have a single formwork surface disposed below the formwork volume.
- it may include several sheets positioned on each formwork surface, defining the formwork volume.
- the neighboring sheets may be interconnected by strips of adhesive tape, or any other suitable means.
- the invention also relates to a method of manufacturing a sheet as mentioned above.
- the implementation method is characterized in that it comprises at least the following steps:
- the sheet comprises several plastic layers, these layers can be manufactured simultaneously during step a1), in particular by multilayer extrusion.
- the adhesive layer may consist of a double-sided adhesive film (preferably laminated) or a volume of adhesive (preferably applied by coating).
- step a2) is performed after step a1).
- the back adhesive layer may be applied to the front plastic layer, or to another intermediate plastic layer, after the manufacture of the at least one plastic layer.
- step a2) is performed simultaneously in step a1).
- the back adhesive layer can be applied to the front plastic layer, or to another intermediate plastic layer, during the manufacture of the at least one plastic layer.
- the adhesive layer may be applied in line during extrusion.
- the invention also relates to a process for implementing a sheet as mentioned above.
- the implementation method is characterized in that it comprises at least the following steps:
- FIG. 1 is a perspective view of a formwork installation, comprising two panels with formwork surfaces;
- FIG. 2 is a view similar to Figure 1, the formwork surfaces being equipped with a set of protective sheets according to the invention
- FIG. 3 is a front view of the protective sheets of FIG. 2;
- FIG. 4 is a side view of a protective sheet, according to the arrow IV in Figure 3;
- FIG. 5 is a view similar to FIG. 4, showing a protection sheet according to a second embodiment of the invention.
- FIG. 6 is a view similar to Figure 4, showing a protective sheet according to a third embodiment of the invention.
- Figures 1 and 2 show a formwork installation 1.
- Figure 1 shows the installation 1 without protective sheets 10 according to the invention.
- FIG. 2 shows the installation 1 according to the invention, provided with protective sheets 10.
- the installation 1 comprises two panels 2 arranged opposite, a handling gantry 3, protective barriers 4 and support struts 5.
- the panels 2 are also called formwork panels.
- the panels 2 are provided with formwork surfaces 6, or formwork surfaces 6, disposed opposite and defining a volume 8 of concrete casting.
- the gantry or compass 3 is intended to stabilize the panels 2 during the formwork and allow their lifting vis-à-vis during stripping.
- the barriers 4 are arranged in the upper part of the panels 2, to prevent the accidental fall of an operator.
- the struts 5 are arranged on the back of the panels 2 to stiffen the assembly, especially during the pouring of concrete in the volume 8.
- the installation 1 may include other devices, not shown for simplification purposes.
- the formwork surfaces 6 are provided with several protective sheets 10 according to the invention.
- the sheets 10 are arranged side by side, with strips 16 of adhesive tape arranged between them. Together, the sheets 10 and the strips 16 form a protective cover 18 applied to the same surface 6.
- the sheet 10 has a generally rectangular shape delimited by an upper edge 1 1, a lower edge 12, a left edge 13 and a straight edge 14.
- the strips 16 are positioned on the surface 6 to partially cover the right edge 14 of a first sheet 10 and the left edge 13 of a second sheet 10 adjacent, so that the cover 18 completely covers the surface 6. Indeed, if parts of the surface 6 are not covered, two problems may occur. First, concrete could be introduced between the surface 6 and the sheet 10 during casting. Second, the concrete could adhere to the surface 6 during stripping.
- the strips 16 may be formed by an acrylic polypropylene jointing adhesive film. According to a possible variant but not preferred, the sheets 10 can overlap without strips 16 interposed between them.
- the sheet 10 has a height H10 defined vertically between its edges January 1 and 12, a width L10 defined horizontally between its edges 13 and 14, and a thickness e10 defined horizontally between a front face 22 and a rear face 54.
- the height H10 is of the order of 2800 mm (millimeters)
- the width L10 is of the order of 625 mm
- the thickness e10 of the sheet 10 is greater than 0.2 mm and less than 2 mm.
- the thickness e10 may be less than 0.2 mm or greater than 2 mm.
- the strips 16 have a width L16, for example of the order of 38 mm.
- the assembly has a width L18, for example of the order of 4000 mm, corresponding to the width of the formwork surface 3.
- the sheet 10 is designed to effectively protect the formwork surface 6, intended to frame the building material.
- the sheet 10 comprises different layers 20, 30, 40 and 50, which have respective thicknesses e20, e30, e40 and e50.
- the layers 20, 30 and 40 are made from a polymeric material, optionally comprising fillers, plasticizers and additives. In other words, the layers 20, 30 and 40 comprise at least one polymeric material. Preferably, the layers 20, 30 and 40 are made of plastic.
- the layer 20 is the front layer or outer layer of the sheet 10.
- the layers 30 and 40 are the intermediate layers of the sheet 10.
- the layer 50 is the back layer or inner layer of the sheet 10, made of adhesive material.
- the thicknesses e20, e30 and e40 are of the order of 0.27 mm, while the thickness e50 is of the order of 0.02 mm.
- Layers 20, 30, 40 and 50 have different planar faces bonded together.
- the layer 20 has a front face 22 and a rear face 24.
- the layer 30 has a front face 32 and a rear face 34.
- the layer 40 has a front face 42 and a rear face 44.
- the layer 50 has a front face 52 and a rear face 54.
- the face 24 is secured to the face 32, the face 34 is secured to the face 42 and the face 44 is secured to the face 52.
- the intimate connection between the layers 20, 30 and 40 is made during of their manufacture, while the connection between the layers 40 and 50 is performed when the layer 50 is applied to the layer 40, in particular by lamination or coating.
- the layers 20, 30 and 40 may be made of polypropylene, polyethylene, polystyrene, PVC, resin, a composite of different polymers and / or other materials, plastics of plant origin or any other material adapted to the intended application.
- the layers 20, 30 and 40 are manufactured together during the same extrusion operation.
- the sheet 10 is manufactured in individual format, and not in the form of a cutting roll. The dimensions of the sheet 10 or a series of sheets 10 can easily be adapted to the dimensions of the surface 6 to be protected.
- the layer 20 is provided to be placed in contact with the building material, opposite the surface 6, during a formwork operation.
- the front faces 22 of the various sheets 10 and those of the strips 16 line the concrete poured into the volume 8.
- the layer 20 is designed to have a damping effect during the pouring of the concrete, in order to reduce wear and scratches on the surface 6.
- the layer 20 is also designed to limit the adhesion of concrete during stripping.
- the layer 30 is a wear control layer, made with a different color of the layers 20 and 40, or at least different from the layer 20.
- the layer 30 provides a wear indicator function: after several uses of the sheet 10 , the front face 32 of the layer 30 appears when the layer 20 is worn or scratched. The wear of the sheet 10 can therefore be visually detected by the workers, after a certain number of uses, for example after four or five successive forms.
- the control function of the layer 30 can be performed by any means suitable for the intended application, other than a color difference.
- the layer 40 is designed to facilitate the adhesion of the layer 50 on the face 44, for example by adding a specific additive and / or by texturing the face 44 with the aid of one or more textured metal rollers. In this case, the rollers are pressed on the face 44 during extrusion or after extrusion.
- the layers 30 and / or 40 may be designed to slightly stiffen or soften the sheet 10, depending on the choice of plastics and the thicknesses e30 and e40.
- the plastic layers can incorporate metallic pigments for to improve the magnetic power of the magnets when installing form dummies or templates at the formwork facility.
- the plastic layers may comprise a UV protection additive (ultraviolet), making it possible to improve the resistance of the sheet 10 to UVs, in particular during of its storage.
- the plastic layers may comprise an elasticizing additive, to increase their elasticity and therefore their shock absorbing capacity.
- the plastic layers may comprise a stiffening additive to control their hardness.
- the plastic layers may comprise an additive to limit their deformation under the effect of temperature changes, especially during formwork or during storage.
- the plastic layers may include an antistatic additive.
- the adhesive layer 50 is provided to be positioned against the surface 6, to secure the sheet 10 to the surface 6, before the supply of the construction material in the volume 8 between the panels 2, during the formwork operation. More specifically, the face 54 is intended to adhere to the surface 6.
- the layer 50 may be a film double-sided adhesive, or a volume of glue applied to the layer 40 by coating.
- the layer 50 is designed to remain attached to the layer 40 when the sheet 10 is peeled off the surface 6. In other words, the face 52 remains attached to the face 44 when the face 54 is peeled off the surface 6. From Also preferably, the layer 50 extends over the whole of the sheet 10, that is to say over the entire face 44 of the layer 40. Alternatively, the layer 50 extends partially on the sheet 10, that is to say on only one part of the layer 40.
- the layer 50 is applied to the layer 40 after the extrusion of the layers 20, 30 and 40.
- the layer 50 may be applied in line during the extrusion operation.
- the face 54 of the layer 50 may be covered with a protective film provided with a tongue.
- each of the sheets 10 has a central hole 60, passing between the faces 22 and 54.
- the holes 60 are provided for the passage of holding keys, that is to say parts transversely disposed in the volume 8 to support the panels 2.
- the holes 60 are preferably pre-drilled during the manufacture of the sheet 10.
- a single sheet 10 may comprise several holes 60.
- the invention also relates to a method of manufacturing a sheet 10.
- the method comprises a step a1) of making the layers 20, 30 and 40, preferably by extrusion.
- the method also includes a step a2) of applying layer 50 to layer 40 to form sheet 10.
- step a2) is performed after step a1).
- step a2) is performed simultaneously in step a1).
- the method may also include a step a3) of marking the sheet 10 with a particular pattern, such as shapes, designs, trademarks, logos or any other graphic design.
- the pattern is marked on the layer 20, for example by passing the sheet 10 under press or roll.
- the pattern can be printed on the concrete surface during the formwork operation.
- the subject of the invention is also a method for implementing a sheet 10.
- the method comprises a step b1), consisting of positioning the layer 50 against the surface 6, so as to secure the sheet 10 and the surface 6, before pouring concrete.
- the method then comprises a step b2), consisting in forming the formwork by casting the concrete in contact with the layer 20.
- the method also comprises a stripping step b3), performed after step b2), consisting in removing the concrete having its final form.
- the method may comprise a step bO), performed before step b1), consisting of pre-drilling the through hole 60 and / or cutting the edges 1 1, 12, 13 and 14 of the sheet 10 according to the dimensions of the 6.
- the process may also include a step b4), carried out between steps b1) and b2), of positioning jointing strips 16 between adjacent sheets 10.
- the method may also include other preparatory steps prior to formwork step b2), as well as other steps after steps b2) and b3).
- the construction material used for the formwork may be concrete or any other material suitable for the intended application.
- the formwork operation makes it possible to construct walls, floors or any other type of element, for example barriers, pipes or concrete tiles.
- FIGS. 5 and 6 Other embodiments of the invention are described hereinafter with reference to FIGS. 5 and 6.
- the constituent elements of the sheet 10 are comparable to those of the first embodiment described above and, for the sake of simplification, carry the same numerical references.
- the sheet 10 comprises a front plastic layer 20, a control layer 30 and an adhesive layer 50, but no intermediate plastic layer 40.
- the adhesive layer 50 is applied to the control layer 30.
- the sheet 10 comprises a front plastic layer 20 and an adhesive layer 50.
- the adhesive layer 50 is applied to the plastic layer 20
- the sheet 10 may be shaped differently from Figures 2 to 6 without departing from the scope of the invention.
- the sheet 10 may have different shapes and dimensions depending on the intended application.
- the formwork surfaces 6 are vertical and substantially planar.
- a formwork surface may be horizontal or inclined.
- a formwork surface may be concave or convex, and not planar.
- the sheet 10 may be thermoformed to give it a particular configuration adapted to the intended application.
- a wide variety of shapes of the building material can thus be obtained after formwork.
- the sheet 10 comprises at least: a plastic layer before 20, including at least one polymeric material and intended to be in contact with the building material; and a rear adhesive layer 50, intended to be positioned against the form surface 6 and to secure the sheet 10 to the form surface 6, before the supply of the construction material.
- the sheet 10 can be adapted in terms of cost and performance.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2015332666A AU2015332666A1 (en) | 2014-10-17 | 2015-10-16 | Sheet for protecting a formwork surface, formwork installation, method of production and method of use |
EP15783989.5A EP3206868B8 (fr) | 2014-10-17 | 2015-10-16 | Feuille pour la protection d'une surface de coffrage, installation de coffrage, procédé de fabrication et procédé de mise en oeuvre |
ES15783989T ES2777324T3 (es) | 2014-10-17 | 2015-10-16 | Lámina para la protección de una superficie de encofrado, instalación de encofrado, procedimiento de fabricación y procedimiento de implementación |
US15/519,560 US20170247893A1 (en) | 2014-10-17 | 2015-10-16 | Sheet for protecting a formwork surface, formwork installation, method of production and method of use |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1460018A FR3027249B1 (fr) | 2014-10-17 | 2014-10-17 | Feuille pour la protection d'une surface de coffrage, installation de coffrage, procede de fabrication et procede de mise en oeuvre |
FR1460018 | 2014-10-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016059193A1 true WO2016059193A1 (fr) | 2016-04-21 |
Family
ID=52345307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2015/073959 WO2016059193A1 (fr) | 2014-10-17 | 2015-10-16 | Feuille pour la protection d'une surface de coffrage, installation de coffrage, procédé de fabrication et procédé de mise en oeuvre |
Country Status (6)
Country | Link |
---|---|
US (1) | US20170247893A1 (fr) |
EP (1) | EP3206868B8 (fr) |
AU (1) | AU2015332666A1 (fr) |
ES (1) | ES2777324T3 (fr) |
FR (1) | FR3027249B1 (fr) |
WO (1) | WO2016059193A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3077024A1 (fr) * | 2018-01-24 | 2019-07-26 | Pro-T-Co | Feuille pour appliquer un motif predefini en surface d'un element en beton lors de sa fabrication, systeme et methode utilisant cette feuille pour la fabrication d'un element en beton |
CN114482542A (zh) * | 2022-01-14 | 2022-05-13 | 向达燕 | 一种建筑施工用模板表面水泥清除装置 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021258313A1 (fr) * | 2020-06-24 | 2021-12-30 | 简单绿能股份有限公司 | Procédé de préparation d'un matériau composite pouvant réaliser simultanément une coloration et une mise en forme ajustée |
FR3114335B1 (fr) | 2020-09-22 | 2022-11-11 | Anoxa | Element de garde-corps, en particulier de garde-corps de banche |
NO346312B1 (no) * | 2020-10-22 | 2022-05-30 | Arnfinn Saervoll | Punktbelastet løftegaffel til løfting av stående forskalingslemmer |
Citations (5)
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JPS61126002A (ja) * | 1984-11-22 | 1986-06-13 | Showa Denko Kk | 水中防汚性多層物 |
FR2644194A1 (fr) * | 1989-03-10 | 1990-09-14 | Titel Gie Groupe | Film protecteur destine a la protection temporaire de surfaces rugueuses |
US6444311B1 (en) * | 1999-10-19 | 2002-09-03 | Saint-Gobain Performance Plastics Corporation | Impact resistant protective multilayer film |
DE20216955U1 (de) * | 2002-04-19 | 2003-01-16 | Wirz, Peter, 53721 Siegburg | Dichtungsband mit Trägerschicht und Kleberschicht |
CN201144044Y (zh) * | 2008-01-22 | 2008-11-05 | 无锡昌盛胶粘制品有限公司 | 塑料窗台板保护用贴膜 |
Family Cites Families (4)
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GB460980A (en) * | 1935-08-12 | 1937-02-08 | Rubber Producers Res Ass | Improvements in and relating to shuttering and like moulds and formers |
US3751790A (en) * | 1970-10-05 | 1973-08-14 | S Frazier | Construction of a form for concrete molding |
JPH1119913A (ja) * | 1997-07-01 | 1999-01-26 | Denki Kagaku Kogyo Kk | コンクリート製品製造用複合シート及びコンクリート製品製造方法 |
US20120318398A1 (en) * | 2011-06-15 | 2012-12-20 | Thomas & Betts International, Inc. | Multilayer conduit with integrated wear indicator |
-
2014
- 2014-10-17 FR FR1460018A patent/FR3027249B1/fr not_active Expired - Fee Related
-
2015
- 2015-10-16 AU AU2015332666A patent/AU2015332666A1/en not_active Abandoned
- 2015-10-16 WO PCT/EP2015/073959 patent/WO2016059193A1/fr active Application Filing
- 2015-10-16 EP EP15783989.5A patent/EP3206868B8/fr active Active
- 2015-10-16 ES ES15783989T patent/ES2777324T3/es active Active
- 2015-10-16 US US15/519,560 patent/US20170247893A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS61126002A (ja) * | 1984-11-22 | 1986-06-13 | Showa Denko Kk | 水中防汚性多層物 |
FR2644194A1 (fr) * | 1989-03-10 | 1990-09-14 | Titel Gie Groupe | Film protecteur destine a la protection temporaire de surfaces rugueuses |
US6444311B1 (en) * | 1999-10-19 | 2002-09-03 | Saint-Gobain Performance Plastics Corporation | Impact resistant protective multilayer film |
DE20216955U1 (de) * | 2002-04-19 | 2003-01-16 | Wirz, Peter, 53721 Siegburg | Dichtungsband mit Trägerschicht und Kleberschicht |
CN201144044Y (zh) * | 2008-01-22 | 2008-11-05 | 无锡昌盛胶粘制品有限公司 | 塑料窗台板保护用贴膜 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3077024A1 (fr) * | 2018-01-24 | 2019-07-26 | Pro-T-Co | Feuille pour appliquer un motif predefini en surface d'un element en beton lors de sa fabrication, systeme et methode utilisant cette feuille pour la fabrication d'un element en beton |
WO2019145412A1 (fr) | 2018-01-24 | 2019-08-01 | Pro-T-Co | Feuille pour appliquer un motif prédéfini en surface d'un élément en béton lors de sa fabrication, système et méthode utilisant cette feuille pour la fabrication d'un élément en béton |
CN114482542A (zh) * | 2022-01-14 | 2022-05-13 | 向达燕 | 一种建筑施工用模板表面水泥清除装置 |
CN114482542B (zh) * | 2022-01-14 | 2023-08-18 | 浙江荣大建设有限公司 | 一种建筑施工用模板表面水泥清除装置 |
Also Published As
Publication number | Publication date |
---|---|
FR3027249A1 (fr) | 2016-04-22 |
US20170247893A1 (en) | 2017-08-31 |
FR3027249B1 (fr) | 2018-03-09 |
ES2777324T3 (es) | 2020-08-04 |
AU2015332666A1 (en) | 2017-05-04 |
EP3206868B1 (fr) | 2020-03-04 |
EP3206868B8 (fr) | 2020-06-24 |
EP3206868A1 (fr) | 2017-08-23 |
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