EP3359368A1 - Dispositif de formage d'un support textile et procédé de formage associé - Google Patents
Dispositif de formage d'un support textile et procédé de formage associéInfo
- Publication number
- EP3359368A1 EP3359368A1 EP16775299.7A EP16775299A EP3359368A1 EP 3359368 A1 EP3359368 A1 EP 3359368A1 EP 16775299 A EP16775299 A EP 16775299A EP 3359368 A1 EP3359368 A1 EP 3359368A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- textile support
- forming
- station
- heating
- support
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/14—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets
- B29C51/145—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets having at least one layer of textile or fibrous material combined with at least one plastics layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/002—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor characterised by the choice of material
- B29C51/004—Textile or other fibrous material made from plastics fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/08—Deep drawing or matched-mould forming, i.e. using mechanical means only
- B29C51/082—Deep drawing or matched-mould forming, i.e. using mechanical means only by shaping between complementary mould parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/261—Handling means, e.g. transfer means, feeding means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/261—Handling means, e.g. transfer means, feeding means
- B29C51/262—Clamping means for the sheets, e.g. clamping frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/42—Heating or cooling
- B29C51/421—Heating or cooling of preforms, specially adapted for thermoforming
- B29C51/422—Heating or cooling of preforms, specially adapted for thermoforming to produce a temperature differential
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/42—Heating or cooling
- B29C51/421—Heating or cooling of preforms, specially adapted for thermoforming
- B29C51/422—Heating or cooling of preforms, specially adapted for thermoforming to produce a temperature differential
- B29C51/423—Heating or cooling of preforms, specially adapted for thermoforming to produce a temperature differential through the thickness of the preform
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/42—Heating or cooling
- B29C51/428—Heating or cooling of moulds or mould parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2313/00—Use of textile products or fabrics as reinforcement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/7418—Suitcases
Definitions
- the invention relates to the field of devices for forming a textile support coated with a layer of plastic material and processes for forming the textile support.
- Document FR2761293 B1 discloses a manufacturing method for manufacturing a flexible three-dimensional object in the form of a textile support coated with a layer of plastics material.
- the manufacturing process proposes the maintenance in a frame of a textile which is heated on one side by a radiant heating with infrared ramp. Then we deform the heated textile by thermo-compression or thermoforming. This type of process does not allow the setting and the maintenance of a precise temperature according to the external conditions. In addition, there is no homogeneity of the heat distribution on the textile format which prevents uniform deformation of the textile support.
- the textile support used degrades easily in case of excess heat on one of its faces which causes discoloration, degradation of its performance, delamination of layers, etc.
- the object of the invention is to remedy all or some of the aforementioned drawbacks.
- the subject of the invention is a device for forming a textile support coated with at least one layer of plastics material comprising:
- At least one heating station at which the textile support is heated to a predetermined temperature
- At least one forming station comprising at least one deformation tool, and at which the heated textile support is deformed by applying the at least one deformation tool shaped to a specific shape
- the forming device comprises at the forming station at least one stabilization member and maintaining the temperature reached at the heating station.
- the stabilizing and temperature-maintaining member provides a distributed and adjustable heating of the textile support to be deformed, allowing uniform deformation of the textile support, and makes it possible to overcome the very low thermal inertia of the textile support to be deformed.
- the at least one stabilization and temperature-maintaining member is configured to heat the support adjustable textile.
- the temperature is determined and adjusted according to the properties of the textile support and its faces.
- the at least one stabilizing and temperature-maintaining member is configured to heat additionally at the periphery of the textile support just before the material of the textile support penetrates into a zone of maximum plastic deformation.
- the forming device comprises at least a first plate and at least a second plate arranged facing the first plate and the textile support being intended to be heated by contact between the first plate and the second plate. Contact heating allows uniform heating of the textile support on both sides of the latter.
- homogeneous heating means heating distributed over the entire surface of each face of the textile support and the faces of the textile support are heated simultaneously.
- one side of the support can be heated to a first temperature and the second face of the textile support can be heated to a second temperature, the heating is still homogeneous since both sides are heated at the same time.
- several portions of the same textile support face can receive heating at different temperatures, the heating remains homogeneous to the extent that the two faces of the textile support are treated at the same time.
- the first plate has at least one temperature setpoint that is different from or substantially identical to at least one temperature setpoint of the second plate.
- At least one of the trays has heating zones of different temperature.
- At least one of the trays, preferably each tray, is made of aluminum alloy.
- At least one of the two trays preferably each tray, comprises at least one electrical resistor wrapped in a support.
- the support in which the at least one electrical resistance is enveloped is a silicone support.
- the forming device further comprises at least one transfer member configured to transfer the heated textile support from the heating station to the forming station.
- This transfer member allows a fast translation of the textile support from the station of heating to the forming station.
- the transfer of the textile support must be fast in order to keep the textile support at a temperature allowing its hot deformation.
- the transfer member is configured to move in translation between at least the heating station and the forming station.
- the transfer member is a linear conveyor provided with a vacuum suction system.
- the transfer member comprises a free end equipped with at least one suction cup.
- the transfer member can be parameterized, in order to obtain a quality and reproducible finished product.
- the transfer member has a reversible action, which makes it possible to respond favorably to the positioning tolerance of the desired textile support.
- the suction of the at least one suction cup can be switched to ventilation.
- the deformation tooling comprises at least a first part and a second part.
- the first part and the second part are of complementary shape.
- the first part and the second part are arranged opposite one another.
- the first part and the second part are arranged on either side of the textile support when the latter is positioned at the forming station.
- the at least one deformation tool comprises a peripheral shoulder shaped to cooperate with the die of the pressing station.
- the periphery of the piece formed in the textile support is formed and cooled instantly.
- the forming device further comprises a cooling system by water and / or by air configured to freeze the deformation of the textile support.
- the cooling system completes the action of the peripheral shoulder formed on the at least one deformation tool.
- the forming device further comprises a pressing station at which the textile support is pressurized.
- the forming device comprises at least a first support said die and at least a second support said blank holder, the die and the blank holder are positioned opposite each other at level of the pressing station and are configured to exert a clamping pressure on at least a portion of the textile support.
- At least one zone of the textile support is free of clamping pressure, which allows free movement of the textile support at least at this zone.
- the pressing station is merged with the forming station.
- the matrix and / or the blank holder is hollowed out, which allows the deformation tool to pass.
- the clamping pressure is adjustable at the pressing station, which makes it possible to offer frictional resistance to the material constituting the textile support.
- the setting pressure is fixed throughout the duration of the pressing.
- the duration of the pressing preferably varies between 1 and 20 seconds.
- the surface of the matrix and / or blank holder has at least two zones, one having a roughness different from the other, which allows to create different friction resistant forces.
- the textile support used is of rectangular shape cut on textile rolls whose width is adapted to the application.
- the textile support used sees as main applications equipment, luggage, clothing and accessories, which implies relatively low weight ranging from 90 to 400 gr / m 2 or relatively low thermal inertia also.
- the invention also relates to a method of forming a textile support into a three-dimensional object, comprising at least the following steps:
- the heating upstream of the deformation makes it possible to dimensionally stabilize the textile support at the plastic deformation temperature.
- the heating temperature is between 140 ° C and 200 ° C.
- the heating time is between 15 and 60 seconds.
- having a heating step prior to the deformation step makes it possible to dimensionally stabilize the textile support at the desired plastic deformation temperature.
- the heating performed at the heating station is a contact heating.
- the heating at the heating station is carried out on either side of the textile support.
- the deformation of the textile support is obtained at least by destroying the armor of the textile support by shearing the meshes that compose it.
- this destructuring is obtained in part by the sliding of the threads of the textile support relative to each other.
- the deformation of the textile support is obtained in addition at least by a displacement of the textile support and a rebalancing within the format of the textile support.
- the deformation of the textile support is obtained in addition at least by an elongation of the son of the textile support.
- the forming method further comprises an additional heating step of the periphery of the textile support, carried out just before the penetration of the material of the textile support into maximum plastic deformation zone.
- FIG. 1 is a perspective view of the forming device according to the invention
- FIG. 2 is a perspective view of the heating station of the forming device shown in FIG. 1,
- FIG. 3 is a perspective view of the pressing and forming station of the forming device shown in FIG. 1;
- FIGS. 4 and 5 are schematic views of the forming of a textile support
- Figure 6 is a view of a three-dimensional product produced by the forming device according to the invention.
- the forming device 1 according to the invention is intended to form a coated textile support 100 comprising at least one layer of plastics material.
- the forming device 1 comprises a heating station 2 at which the textile support 100 is heated to a predetermined temperature.
- the forming device 1 further comprises a pressing station 3 at which the textile support is subjected to a clamping pressure.
- the forming device 1 further comprises a forming station 4 at which the heated textile support is deformed by applying at least one deformation tool shaped to a specific shape. The pressing station and the forming station are combined as shown in FIG.
- the heating station 2 will now be described with reference to FIGS. 1 and 2.
- the heating station 2 comprises at least a first plate 2a and at least a second plate 2b arranged facing the first plate 2a.
- the first plate 2a has a different temperature set point or substantially identical to a temperature setpoint of the second plate 2b.
- at least one of the trays 2a, 2b has heating zones of different temperature.
- each plate 2a, 2b is made of aluminum alloy.
- each plate 2a, 2b comprises at least one electrical resistance wrapped in a support (not shown).
- the pressing station 3 comprises at least a first support 3a called said matrix and at least a second support 3b referred to as a blank holder, the die 3a and the blank holder 3b are positioned facing one another and are configured to exert a clamping pressure on at least a portion of the textile support 100.
- the pressing station 3 coincides with the forming station 4 but could be dissociated as an alternative embodiment.
- the die 3a and the blank holder 3b are hollowed out centrally in order to allow the deformation tooling 4a, 4b to pass in a configuration where the pressing station 3 and the forming station 4 coincide. .
- the clamping pressure is adjustable.
- the surface of the matrix 3a and / or the blank holder 3b has at least two zones, one having a roughness different from the other.
- a stabilizing member and maintaining the temperature reached at the heating station is integrated in the die and the blank holder.
- the stabilization and temperature maintenance member is configured to maintain the textile support 100 in temperature reached at the heating station.
- deformation tooling comprising a first part 4a and a second part 4b.
- the first part 4a and the second part 4b are of complementary shape and are arranged opposite one another on either side of the textile support when the latter is positioned at the forming station 4.
- the deformation tooling comprises a peripheral shoulder 4c shaped to cooperate with the die 3a of the pressing station 3.
- the periphery of the formed part 200 in the textile support 100 is formed and cooled instantly.
- the textile support is positioned at the heating station 2, in the first plate 2a and the second plate 2b. Then the trays 2a, 2b converge to grip the textile support 100. The textile support 100 is then heated according to the temperature setpoint (s) previously set according to the nature of the textile support and the desired three-dimensional product.
- the textile support 100 is transferred to the pressing station 3 and forming station 4.
- the transfer is carried out by means of a linear conveyor, equipped with a vacuum suction system, which is configured to move in translation between the heating station 2 and the pressing station 3 and forming station 4.
- the heated textile support 100 is located at the pressing station 3 and forming station 3.
- the textile support 100 is then pressurized between a first support 3a and a second support 3b and maintained in temperature by means of the stabilization and temperature maintenance member.
- the stabilizing and temperature-maintaining member heats up additionally at the periphery of the textile support 100 just before the material of the textile support 100 penetrates into a zone of maximum plastic deformation.
- the first portion 4a and the second portion 4b of the tool converge towards each other, respectively pass through the die 3a and the blank holder 3b to deform the textile support 100 stretched, kept warm and tight between the matrix 3a and the blank holder 3b, horn illustrated in FIGS. 4 and 5.
- the formed textile support is cooled.
- FIG 6 we can see an example of a three-dimensional product 200 made thanks to the invention.
- This is a backpack shell which has been formed from a textile backing 100 with the forming device 1 of the invention.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Treatment Of Fiber Materials (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1558468 | 2015-09-11 | ||
PCT/FR2016/052286 WO2017042518A1 (fr) | 2015-09-11 | 2016-09-12 | Dispositif de formage d'un support textile et procédé de formage associé |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3359368A1 true EP3359368A1 (fr) | 2018-08-15 |
Family
ID=54608781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16775299.7A Withdrawn EP3359368A1 (fr) | 2015-09-11 | 2016-09-12 | Dispositif de formage d'un support textile et procédé de formage associé |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3359368A1 (fr) |
WO (1) | WO2017042518A1 (fr) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5258693A (en) * | 1975-11-07 | 1977-05-14 | Sumitomo Chem Co Ltd | Heat molding method of plastic corrugated hardboard |
CA2051785C (fr) * | 1990-10-16 | 2001-07-24 | Elliot J. Younessian | Procede de fabrication d'une armature thermoformee pour une valise |
US5228546A (en) * | 1991-05-07 | 1993-07-20 | Chang S J | Soft gusset, hard-paneled luggage and method of manufacture |
US5743979A (en) * | 1995-11-13 | 1998-04-28 | Milsco Manufacturing Company | Method of forming fabric |
US6214157B1 (en) * | 1998-10-21 | 2001-04-10 | R + S Technik | Vehicle trim component having two-part cover material, and method and apparatus for producing the same |
DE102004029453A1 (de) * | 2004-06-18 | 2006-06-08 | Samsonite Corp., Denver | Verfahren zur Herstellung eines Kunststoffteiles, insbesondere Gepäckstückschale, aus selbstverstärktem thermoplastischen Material, Kunststoffteil, hergestellt aus selbstverstärktem thermoplastischen Material und Vorrichtung zur Herstellung eines Kunststoffteiles, insbesondere Gepäckstückschale |
EP1815977A1 (fr) * | 2005-12-28 | 2007-08-08 | DI.CO.T s.r.l. | Panneau recyclable pour véhicule, procédé et installation pour sa fabrication |
GB2439530B (en) * | 2006-05-26 | 2011-07-13 | Pera Innovation Ltd | Method of and apparatus for producing thermoplastic materials |
-
2016
- 2016-09-12 WO PCT/FR2016/052286 patent/WO2017042518A1/fr active Application Filing
- 2016-09-12 EP EP16775299.7A patent/EP3359368A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2017042518A1 (fr) | 2017-03-16 |
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