WO2003041953A1 - Element de protection et/ou d'isolation - Google Patents
Element de protection et/ou d'isolation Download PDFInfo
- Publication number
- WO2003041953A1 WO2003041953A1 PCT/FR2001/003806 FR0103806W WO03041953A1 WO 2003041953 A1 WO2003041953 A1 WO 2003041953A1 FR 0103806 W FR0103806 W FR 0103806W WO 03041953 A1 WO03041953 A1 WO 03041953A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- protection
- plastic material
- adhesive coating
- insulation
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
-
- 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
- B32B7/06—Interconnection of layers permitting easy separation
Definitions
- the present invention relates to protection against blows, scratches, soiling of objects, in particular during their storage or transport. It also relates to insulation, in particular in the field of floating floors.
- an underlay is generally used in the form of a sheet of felt or of a cellular plastic material which is unrolled and which the it is fixed on the floor before laying the actual parquet.
- the fixing is done in particular using double-sided adhesive tape, which can pose certain difficulties, for example the tearing of the felt or of the foam when it is desired to modify the initial positioning of the underlay.
- the aim which the applicant has set himself is to propose a protection and / or insulation element which brings an important simplification to the current methods used in these fields.
- protection and / or insulation element which, according to the invention, consists of a plastic film, one face of which is fixed on a layer of cellular plastic material and the other of which face has an adhesive coating of the removable type.
- an adhesive coating is of the removable type when being applied to a first given element, it ensures an adhesion which is strong enough for there to be cohesion with a second element on which the first element is applied, while allowing easy separation of the two said elements without significant transfer adhesive from the first to the second element.
- the user can easily apply a temporary protective element to the surface of the object to be protected during transport and storage, a protective element which can be easily removed at any time by the user. without altering the surface of the protected object.
- a temporary protective element which can be easily removed at any time by the user.
- This may in particular be the case when the object in question is part of a larger assembly, for example a motor vehicle, the protected object being removed after assembly of the vehicle.
- the removable nature of the adhesive coating allows its placement but also its repositioning without prejudice.
- a protective and / or insulating element is proposed, in accordance with the above-mentioned element, but the plastic film of which is fixed on the layer of cellular plastic material is produced by through a tearable grid.
- the presence of the grid makes it possible to have a tear in the element according to the invention, which is perfectly regular.
- the cellular plastic material is a non-crosslinked closed cell polyethylene foam.
- the thickness of this layer of foam depends on the intended applications. With regard to the protection of plastic objects, this thickness is preferably from 1 to 1.5 mm. With regard to the protection of glass objects, this thickness is preferably 1 to 2 mm. As regards the insulation of a floating parquet, this thickness is preferably 2 to 3 mm.
- the protective and / or insulating element according to the invention is in the form of an assembly, in particular a winding on itself, in which the adhesive coating of an element on the overlay is applied. on the cellular plastic layer of an underlying element. In this case, there is no need to protect the adhesive coating of the removable type which is on the face of the element opposite the layer of cellular plastic material.
- the protective and / or insulating element may include a non-stick protective sheet, in particular a sheet of silicone paper, applied to the adhesive coating of the removable type.
- FIG. 1 is a schematic representation in section of a first embodiment example
- FIG. 2 is a schematic representation in section of a winding of the first embodiment example
- Figure 3 is a schematic sectional representation of a second embodiment.
- the protection and / or insulation element 1 consists of a central plastic film 2, the lower face 2a of which is covered with a removable adhesive coating 3 and on the upper face 2b. which is fixed a layer of foam 4 through an intermediate fixing means.
- This intermediate means can in particular be a non-removable adhesive coating 5.
- the plastic film 2 is for example made of low polyethylene density. It gives the element a large part of its mechanical resistance. It also strengthens the protective and insulating properties, in particular by forming a barrier against humidity. Thanks to this film, the removable adhesive coating 3 is distributed in a homogeneous manner, which facilitates the removal without transfer of adhesive from the element 1 from the surface of the object to which it has been applied.
- this plastic film 2 has a thickness of 50 ⁇ m. However, this thickness could vary depending on the application and therefore on the protection sought or even on the rigidity or the mechanical strength desired.
- Such a film is or can be made printable, which makes it possible to color or even personalize by a logo or a name the element 1, the color or the impression being visible through the layer of foam 4
- the foam is preferably made of uncrosslinked polyethylene, with closed cells. Such foam provides effective protection against knocks, scratches and dirt.
- the thickness E of this foam is different depending on the intended applications, in which the protection or insulation function is more or less important.
- the thickness E can be relatively small, from 1 to 1.5 mm.
- the thickness E is slightly greater, up to 2mm.
- the thickness E of the foam layer 4 is greater, for example of 2 to 3mm.
- the fixing between the plastic film 2 and the foam layer 4 can be carried out by any known means but in particular using a complexing adhesive, for example an acrylic adhesive in aqueous solution or in solvent or optionally an adhesive of the hot-melt type.
- the removable adhesive coating 3 is for example an acrylic coating in aqueous solution.
- This coating 3 is generally transparent but it can advantageously be pigmented in order to allow easier detection of any trace of adhesive which would be transferred to the surface of the protected object, after removal of the protective element 1.
- this adhesive coating 3 is of the removable type, this protection can be achieved by superposition of a plurality of elements 1 as shown in Figure 2, this superposition can be in the form of a stack of sheets.
- this superposition can be in the form of a stack of sheets.
- the removable adhesive coating 3 of a first sheet is applied to the outer face 4a of the foam layer 4 of a second sheet.
- the element 1 is in the form of a very long strip which is wound on itself by a succession of turns.
- the removable adhesive coating 3 of an overlying coil 1 is applied to the outer surface 4 ′ a of the foam layer 4 of an underlying coil 1 ′. It is the layer of foam 4, 4 'which is always situated towards the outside of this winding 6 so that the removable adhesive coating 3.3' is always protected. It suffices for the user to grasp the front edge 7 of the strip constituting the element 1, to detach it from the underlying turn 1 ', to unwind to the desired length.
- FIG. 3 a second variant of the protection and / or insulation element is proposed, as illustrated in FIG. 3.
- the protective and / or insulating element 8 of this second variant is differentiated by the presence of a grid 9 which is interposed between the plastic film 2 and the layer of foam 4.
- This grid 9 consists of wires of warp crossed by weft threads. Generally, the warp threads are located longitudinally with respect to the general direction of the element 8 so that in Figure 3 weft threads appear.
- This grid 6 is fixed to the film 2 and to the foam layer 4 by laminating.
- the tear occurs in zones of lower resistance which are located between two successive weft yarns 1 O, which makes it possible to obtain a relatively tear straight.
- a protective adherent such as a sheet of silicone paper.
- the presence of the plastic film 2 greatly facilitates the continuous manufacture of the element of protection and / or insulation 1, 8 of the invention, since this plastic film provides sufficient mechanical strength making it possible to work with a suitable tension on the production machines.
- a Corona treatment is carried out, by electrical discharge, capable of modifying the surface tension of said film.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Adhesive Tapes (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20010274699 EP1469990A1 (fr) | 2001-10-08 | 2001-11-30 | Element de protection et/ou d'isolation |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR01/12930 | 2001-10-08 | ||
FR0112930A FR2830602B1 (fr) | 2001-10-08 | 2001-10-08 | Element de protection et/ou d'isolation |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003041953A1 true WO2003041953A1 (fr) | 2003-05-22 |
Family
ID=8868040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2001/003806 WO2003041953A1 (fr) | 2001-10-08 | 2001-11-30 | Element de protection et/ou d'isolation |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1469990A1 (fr) |
FR (1) | FR2830602B1 (fr) |
WO (1) | WO2003041953A1 (fr) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0320676A2 (fr) * | 1987-12-05 | 1989-06-21 | Lohmann GmbH & Co. KG | Mousse revêtue de polymère et son procédé de fabrication |
WO2000020201A1 (fr) * | 1998-10-02 | 2000-04-13 | Minnesota Mining And Manufacturing Company | Bande dechirable a la main |
-
2001
- 2001-10-08 FR FR0112930A patent/FR2830602B1/fr not_active Expired - Lifetime
- 2001-11-30 WO PCT/FR2001/003806 patent/WO2003041953A1/fr not_active Application Discontinuation
- 2001-11-30 EP EP20010274699 patent/EP1469990A1/fr not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0320676A2 (fr) * | 1987-12-05 | 1989-06-21 | Lohmann GmbH & Co. KG | Mousse revêtue de polymère et son procédé de fabrication |
WO2000020201A1 (fr) * | 1998-10-02 | 2000-04-13 | Minnesota Mining And Manufacturing Company | Bande dechirable a la main |
Also Published As
Publication number | Publication date |
---|---|
FR2830602B1 (fr) | 2004-02-20 |
EP1469990A1 (fr) | 2004-10-27 |
FR2830602A1 (fr) | 2003-04-11 |
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