EP2125408A1 - Element surfacique du type volet et dispositif pare-soleil comprenant au moins un tel element - Google Patents
Element surfacique du type volet et dispositif pare-soleil comprenant au moins un tel elementInfo
- Publication number
- EP2125408A1 EP2125408A1 EP08775658A EP08775658A EP2125408A1 EP 2125408 A1 EP2125408 A1 EP 2125408A1 EP 08775658 A EP08775658 A EP 08775658A EP 08775658 A EP08775658 A EP 08775658A EP 2125408 A1 EP2125408 A1 EP 2125408A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pads
- surface element
- piece
- reinforcing
- polyurethane
- 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- Withdrawn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
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
- B60J7/0007—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs moveable head-liners, screens, curtains or blinds for ceilings
- B60J7/003—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs moveable head-liners, screens, curtains or blinds for ceilings one or more sliding rigid plate or lammellae
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J3/00—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles
- B60J3/02—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles adjustable in position
- B60J3/0204—Sun visors
Definitions
- the present invention relates to the field of molded plastic articles or articles, more particularly surface protection or covering elements, such as movable shutters or sun screens of motor vehicle sunroofs.
- the invention is more specifically concerned with rigid or semi-rigid surface elements guided laterally, on both sides, in rails or similar guide rails, and which comprise for this purpose lateral guiding and sliding means.
- the main and substantially planar main body is made by molding a thermoplastic material, by assembling different layers or plates or by means of another construction technique. or manufacturing. Guiding and sliding means in the form of pads of a different material, adapted to the function concerned, are reported laterally on this body, at suitable mounting sites of the latter.
- FIGS. 1A and 1B are top and bottom views, respectively, of two manufacturing variants of a movable shutter devoid of skates, also showing the transverse reinforcing pieces integrated into these flaps.
- FIGS. 2A and 2B are perspective views from above and from below, at two different angles, of a pair of male and female pads intended to equip the two mounting sites on one side of a shutter as shown in Figures IA and IB above.
- pads are provided with fingers or lugs protruding laterally and able to slide in a guided manner in rails or opposite guide rails (e) s. These pads also include, depending on their type
- these pads also have gripping means with maintenance for mounting on the corresponding mounting sites of the flaps, in the form of cutouts in a lateral plate-shaped extension of each of these pads.
- FIGS. 3A and 3B are respectively views from above of a male pad and from below of a female pad
- FIGS. 4A and 4B are corresponding partial views of a pane according to FIG. 1A equipped with a pad respectively according to FIG. FIG. 3A and FIG. 3B
- FIGS. 3A and 3B are respectively views from above of a male pad and from below of a female pad
- FIGS. 4A and 4B are corresponding partial views of a pane according to FIG. 1A equipped with a pad respectively according to FIG. FIG. 3A and FIG. 3B
- FIG. 5A and 5B are sectional views, respectively partial and lateral, of a shutter equipped with a pad according to FIG. 4A, these views furthermore representing the current embodiment of the applicant.
- the existing shutters are also available in the form of flaps provided only with a type of pads (front / rear flap).
- the substantially plane screen main body is formed with lateral edges ensuring the sliding and guiding said body in the rails or similar rails.
- lateral edges may be formed in a specifically adapted material (different from the material forming the surface body), as disclosed, for example, in US-A-2003/01 27 884 and EP-A1 510 388, or in the same material, as described for example in EP-AI 295,743.
- the aforementioned first variant requires an additional molding operation and the element manufactured in accordance with the aforementioned second variant is exposed to early wear of its side edges whose constituent material is not specifically adapted to this function.
- the sliding and guiding are not localized and therefore more difficult to control, with an increased risk of blockage or jamming.
- the object of the present invention is to overcome at least the major drawbacks described above and in particular to take up the positive aspects of the two aforementioned known embodiments, without presenting the negative sides thereof.
- the present invention proposes a surface element, in particular a movable sunroof or window pane of a motor vehicle, comprising lateral means for guiding and sliding in similar rails or guide rails, this element being composed, on the one hand, a substantially plane body, possibly slightly curved, in the form of a composite part coming from molding at least one plastic material and, on the other hand, at least one pair of opposed pads forming the means guide and sliding and secured to the substantially plane body at its two lateral sides substantially parallel to the direction of movement possible for said surface element, said substantially planar body incorporating at least two pieces of transverse elongate reinforcements extending substantially between the two lateral sides of the body carrying the guiding and sliding means, characterized in that the lateral pads are at least largely, with the exception of at least some guiding and sliding surfaces, formed by the molded plastic constituting the substantially plane body and that the opposite ends of the at least one or more elongated reinforcing pieces extend and / or extend at least partially into said pads.
- Figure 6 is a partial sectional view of a lateral region of a surface element comprising a pad formed according to a first variant of a first embodiment of the invention
- Figures 7A and 7B are partial sectional views similar to Figure 6 respectively showing a male pad and a female pad according to a second variant of a first embodiment of the invention
- Figure 8 is a view similar to that of Figures 6 and 7 illustrating a second embodiment of the invention
- Figure 9 is a top view of a movable flap shaped surface element in accordance with the variant shown in Figure 6 or Figures 7A and 7B
- Figure 10 is a top view of a surface element in the form of a front movable flap in accordance with the variant shown in Figure 6
- Figure 1 1 is a top view of a movable flap surface element in accordance with any of the variants shown in Figures 6 and 7,
- FIGS. 12A, 12B and 12C are top views of a reinforcing element that can be implemented in the variant embodiments of FIGS. 6, 7, 8 and 11;
- FIGS. 13A and 13B are views from above of other embodiments of a reinforcing element that can be implemented in the variant embodiments of FIGS. 6, 7 and 8;
- Figure 14 is a schematic sectional view, before molding, of a composite structure integrated into the molded body of the surface element according to the invention;
- Figure 15 is a detail view in section of a finger or guide pin of a shoe of an element according to the invention, engaged in a guide rail;
- FIG. 16 is a view from above of a surface element according to another variant of manufacture and construction in accordance with the embodiments shown in FIGS. 7 and 8, and
- FIG. 17 is a sectional view along XX of FIG. the object of figure 16.
- the surface element 1 is essentially composed, on the one hand, of a body substantially plane 4, possibly slightly curved, in the form of composite part coming from molding of at least one plastic material 5, 5 'and, secondly, from at least one pair of opposed pads 2, forming the guide means and slip and secured to the substantially planar body 4 at its two lateral sides 4 'substantially parallel to the direction of movement possible for said surface element 1, said substantially planar body 4 incorporating at least two pieces of transverse elongate reinforcements 6 s' extending substantially between the two opposite lateral sides 4 'of the body 4 carrying the means 2 for guiding and sliding.
- the element 1 is characterized in that the lateral pads 2 are at least largely, if necessary with the exception of at least some surfaces 2 ', 2 "for guiding and sliding, formed by the molded plastics material 5 or one of the molded plastics 5, 5 'constituting the substantially plane body 4 and that the opposite ends 7 of at least one or more elongate reinforcing pieces 6 extend and / or extend at least partially into said pads 2.
- the invention thus provides a surface element 1 with integrated pads 2 in the form of a substantially finished piece molded.
- the surface element 1 generally constitutes a solid component and indicates good mechanical rigidity at ambient temperature.
- the surface element 1 consists of a vehicle sunroof flap, such as those shown in FIGS. 1 to 5 and generally forming part of a set of two or more similar flaps, the skids 2 concerned by the present invention realize simultaneous guiding, sliding and interconnection functions between flaps.
- the shape, configuration and dimensions of the pads 2 made according to the invention will of course be identical.
- each pad 2 has, on the one hand, one or more protruding lateral fingers or lugs 15 providing the guiding and sliding surfaces 2 'interacting with the slides or rails 3, on the other hand, one or more ribs grooves, protrusions or recesses, upper and / or lower, providing the mutually interacting guide and sliding surfaces 2 "during the overlapping overlapping of two flaps and, finally, male or female assembly formation 2 '" , allowing removable attachment by engagement cooperating between a male pad and a female pad.
- the surfaces 2 can optionally be continuous and contiguous with surfaces of similar shape formed in the corresponding lateral edge 4 'of the body 4, for example in the part of this edge 4' connecting the male and female parts 2 mounted on a given edge .
- the flaps 1 may comprise either only a pair of 2 female pads, or only a pair of pads 2 male, or a pair of pads 2 of each type, respectively located at the front and / or rear corners of the flap 1 concerned. As also shown in the figures of the accompanying drawings, the pads 2 may themselves constitute the corners of said flaps 1. These pads 2 may, therefore, either be integrated in the outline and the general shape of the flat body 4, or be prominent laterally with respect to the lateral sides 4 'of said body 4.
- the ends 7 of the parts 6 extend at least partially, preferably up to the lateral fingers 15, in the pads 2, to reinforce at least the connection of the latter with the body 4.
- the elongated reinforcing pieces 6 may optionally be split (FIGS. 7A and 7B) with an upper and a lower superposed piece, or be interconnected by at least one connecting piece to form an H-shaped reinforcing structure to single or double bonding base (FIGS. 13A and 13B), extending over a large surface of the body 4.
- the pads 2 may be entirely formed by the molded plastics material 5 or a molded plastics material 5 5 'constituting the body 4, being in one piece with the latter.
- the opposite ends 7 of at least one or reinforcing pieces 6 extend in the pads 2, respectively corresponding, by portions 8 constituting rigid armatures or skeletons of the pads 2 concerned, overmoulded (e) s by the plastic 5 or one of the molded plastics 5, 5 'forming the substantially plane body 4.
- each shoe 2 of each pair of opposed pads 2 has an armature 8 increasing its mechanical strength, which is in the form of a part or reinforcing portion extending parallel to the lateral side 4 'of the substantially plane associated body 4 and advantageously having a general shape corresponding roughly to that of said pad 2, each shoe frame 8 being either an integral piece of the end 7 of the reinforcing piece 6 adjoining said shoe 2, or a portion extending from a only holding said end 7 of said reinforcing piece 6, or in a separate piece extending this end 7.
- FIGS. 9 to 13 show, in a nonlimiting manner, various alternative embodiments of the reinforcing pieces 6, their ends 7 and the frames 8.
- the ends 7 of the pieces 6 extend continuously and with a constant section in the pads 2 and form a frame 8 of simplified form for these pads.
- the ends 7 may end in the pads 2 by more complex shapes conforming to at least some of the formations or specific protuberances of said pads 2, for example the guide fingers 15.
- their extension in the direction perpendicular to that longitudinal of the parts 6 provides a greater structural reinforcement to said pads 2.
- FIG. 12B it is also possible to implement the reinforcement pieces 6 currently used, possibly by slightly extending them, and to add a separate piece forming a shoe frame 8 and having a connecting segment intended to extend towards the adjacent end 7 of the corresponding reinforcing piece (connected to it or not).
- the reinforcement piece 6 may optionally also have a double end 7 or be split, so as to form two reinforcements 8 superimposed (variant of Figures 7A, 7B and 17).
- these different embodiments of the frame 8 can be combined with different embodiments of the reinforcing pieces 6 themselves (doubled, H, ...), as described above in connection with FIGS. 7 and 13.
- reinforcements 8 integrated in the mass of plastics 5 forming the pads 2 makes it possible to structurally reinforce the latter and to carry out a recovery of the forces acting on them, while providing a connection of great resistance with the body 4.
- the reinforcements 8 may further optionally comprise a recess, a projecting extension and / or folded portions forming embryonarily the nuclei of the formations providing the guide surfaces 2 'or sliding 2 ", and possibly the skeletons means 2 '"of connection or male or female assembly, the pad 2 concerned, this armature being preferably overmolded by the material 5 which confers the final outer shape.
- the thermoplastic or thermoset material constituting the flat body 4 has no particular properties of resistance to frictional wear or slip.
- the pads 2 are entirely formed by the molded plastic material 5 or one of the molded plastics 5, 5 'constituting the body 4, the surfaces 2', 2 "of said pads 2 intended to come into contact with the slides or similar rails 3 and / or providing sliding supports when overlapping two elements 1, have improved properties of resistance to wear and, where appropriate, sliding, resulting from a additional treatment or additional specific coating 9.
- the surfaces 2 'of the pads 2 coming into engagement with the rails or similar rails 3 or providing sliding supports when the two elements 1 are overlapped are covered by the covering material 9, for example of the type woven or non-woven fabric, covering the inner face of the body 4 of the element 1.
- the pads 2 may be formed only partially by the molded plastics material 5 or one of the molded plastics 5, 5 'constituting the body 4, each shoe 2 being composed of a main part 10 formed by said molded plastic material 5, made in one piece with said body 4 and integrating the corresponding end 7 of the reinforcing part 6 concerned and its possible extension 8, and an insert 1 1 partially covered by said molded plastics material 5, partly being integrated in the latter, and forming at least the guiding and sliding surfaces 2 ', 2 "of the pad 2 intended to come into contact with the slides or similar rails 3 and / or providing sliding supports when the two elements 1 are overlapped.
- the opposite ends 7 of the reinforcing pieces 6, associated with a pair of pads 2 each extend by a wing or portions of engagement wing or 12 hooking, reported (s) on or formed in one piece with the end 7 concerned, these wings or wing portions 12 engaging with the inserts 11, forming at least partially reinforcing reinforcements for the skids 2 considered and overmolded (s) by the molded plastic 5 forming the body 4, at least partly, preferably in full ( Figures 8 and 12C).
- This wing 12 may, if necessary, also be made as a separate part, like the frames 8 of Figure 12B.
- the plastic 5 consists of polyurethane
- the substantially plane body 4 integrates at least one reinforcing surface structure 13 in the form of a nonwoven, for example into glass fibers or high-strength polymer, preferably two reinforcing surface structures 13 separated by an interstitial surface spacer structure 14, this or these surface structure (s) 13, 14 being entirely embedded in the polyurethane mass 5, and each reinforcing piece 6, inserted or embedded in the mass of polyurethane 5, consists of an elongated piece shaped strip portion of a light and relatively rigid metal.
- the structure 14 performs, on the one hand, a spaced positioning of the two structures 13 and promotes, on the other hand, the flow distribution and expansion of the foaming mixture intended to form, after polymerization, the plastic material 5.
- the reinforcing pieces 6 may have a flat or curved structure, depending on the shape of the element 1, the curvature may be conferred during the molding of the body 4. Moreover, the reinforcing structures 13 may optionally have cutouts adapted to provide portions extending laterally in the zones of the pads 2.
- the structures 13, 14, 6 and 8 are overmolded in their entirety by the material 5 to produce a flap 1 in one piece.
- the substantially plane body 4 of the surface element 1 has a composite structure with at least one central region 16 made of a material 5 'of lower density, or the elongated reinforcing member (s) 6 integrated into said body 4 extending outside said central region 16, if appropriate , laterally on both sides of the latter.
- the substantially planar body 4 with a single-piece composite structure is constituted by a central plate 17 made of a material of lower density, for example a low density polyurethane, surrounded by a frame 18 made of a material of higher density, for example polyurethane high density, the central plate 17 and the frame 18 having a nesting of complementary shapes of their respective constituent materials at their assembly interface 19, for example of the complementary crenellated type, rib / groove or tenon / mortise, the lateral pads 2 of the surface element 1 being at least largely, preferably in all, formed by the material 5 of greater density.
- the two constituent parts 17 and 18 of the surface element 1 advantageously have identical thicknesses, the respective constituent materials possibly being able to overlap each other at the edges of said two parts.
- the central region 16 has one or more plates 17, possibly separated by strips of the material 5 forming the frame 18 (variant not shown).
- the material 5 can have a density of between 200 and 750 kg / m 3 , preferably between 350 and 600 kg / m 3 , and the material 5 'with a density between 25 and 150 kg / m 3 preferably between 50 and 100 kg / m 3 .
- the present invention also relates to a sun visor device for a sunroof or side window of a motor vehicle door, comprising at least one flap-type surface element, slidably mounted, preferably motorized, in a support frame providing at least two lateral guide rails or guides (aux) opposite to said surface element (s) (s) ( s) (shown partially in Figure 15).
- This sun visor device is characterized in that said at least one surface element is an element 1 as described above.
- this sun visor device comprises at least two differentiated surface elements 1, among which at least one surface element comprises two pairs of opposed pads 2, namely a pair of male pads and a pair of female pads, and least one surface element comprises a single pair of skids 2, male or female, the male and female pads being shaped for mutual engagement and for guiding a first surface element bearing on a second surface element, so as to be able to perform a stacking overlap said surface elements 1.
- the invention also relates to a method of manufacturing a surface element as evoked above, characterized in that it consists in providing a mold device comprising two parts constituting by cooperation in the assembled state a print for the formation of the substantially planar body 4 and the pads 2 of at least one element 1, to be placed transversely in a lower part of said mold at least two elongated reinforcing pieces 6, as well as possibly at least one surface structure of reinforcement 13 in the form of a nonwoven fabric and, where appropriate, reinforcements 8 and / or inserts 11 intended to form at least the guiding and sliding surfaces 2 ', 2 "of the corresponding pads 2, to inject a liquid mixture polyurethane crosslinking agent, to close the mold and to allow expansion and polymerization of the polyurethane 5 so as to form, in one piece, the substantially planar body 4 and the skids 2 or a main portion 10 of said pads 2 carrying the inserts 11 and, finally, to open the mold and extract from the latter the surface element 1 formed integrally with its pads 2.
- the substantially plane body 4, as well as the pads 2 at least in part, can be made of a single material 5.
- said body 4 may however also consist of at least two parts in different materials, in particular with a view to reducing the weight of the surface element 1.
- the manufacturing process may consist in previously producing a plate 17 intended to form the central region 16 of the substantially planar body 4 by injecting a 5 'low density polyurethane crosslinking liquid mixture into the mold device and allowing expansion and polymerization of said low density polyurethane 5' and then forming the remaining portion of the element 1 in the form of a frame 18 surrounding the plate 17 by consecutive injection of a high density polyurethane crosslinking liquid mixture 5 and expansion and polymerization of the latter, after installation in the mold device of at least two elongate reinforcing pieces 6, and, where appropriate, reinforcements 8 and / or inserts 11.
- the method may consist in simultaneously injecting a low density polyurethane liquid mixture 5 'into a first zone of the mold device in order to produce a plate 17 constituting a central region 16 of the substantially plane body 4 and a mixture of high density polyurethane in a second region of the mold device for making a frame 18 constituting the remainder of the surface element 1, to close the mold, to allow expansion and polymerization of the two polyurethane materials 5 and 5 'so as to form, in one piece, the substantially planar body 4 and the pads 2 or a main part 10 of said pads 2 carrying the inserts 11 and, finally, to open the mold and to extract from the latter the surface element 1 formed integrally with its pads 2.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0701550A FR2913214B1 (fr) | 2007-03-02 | 2007-03-02 | Element surfacique du type volet et dispositif pare-soleil comprenant au moins un tel element |
PCT/FR2008/050353 WO2008122735A1 (fr) | 2007-03-02 | 2008-02-29 | Element surfacique du type volet et dispositif pare-soleil comprenant au moins un tel element |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2125408A1 true EP2125408A1 (fr) | 2009-12-02 |
Family
ID=38473950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08775658A Withdrawn EP2125408A1 (fr) | 2007-03-02 | 2008-02-29 | Element surfacique du type volet et dispositif pare-soleil comprenant au moins un tel element |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2125408A1 (fr) |
CN (1) | CN101801700B (fr) |
FR (1) | FR2913214B1 (fr) |
WO (1) | WO2008122735A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100209341A1 (en) | 2009-02-18 | 2010-08-19 | Csl Limited | Treatment of chronic inflammatory conditions |
DE102009031619A1 (de) * | 2009-07-03 | 2011-01-05 | GM Global Technology Operations, Inc., Detroit | Beschattungssystem |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS611534A (ja) * | 1984-06-15 | 1986-01-07 | Nissan Motor Co Ltd | 自動車用内装材 |
BE1010024A5 (fr) * | 1996-03-04 | 1997-11-04 | Nomet Management Serv Bv | Dispositif d'ouverture de conteneur muni d'une bache. |
DE19808678C1 (de) * | 1998-03-02 | 1999-06-24 | Ruthard Dipl Ing Marowsky | Trägerteil für einen Sonnenschutz an einem Schiebedach eines Kraftfahrzeugs oder für den Innenhimmel eines Kraftfahrzeugs |
JP3527883B2 (ja) * | 2000-07-14 | 2004-05-17 | 豊和繊維工業株式会社 | 自動車用サンルーフのスライドサンシェード |
DE10346346A1 (de) * | 2003-10-06 | 2005-04-21 | Arvinmeritor Gmbh | Fahrzeugfestes Führungssystem und Verfahren zum Herstellen eines fahrzeugfesten Führungssystems |
CN2790832Y (zh) * | 2005-01-09 | 2006-06-28 | 温州欧舒特猛狮汽车有限公司 | 全自动电动天窗 |
DE102005059260B4 (de) * | 2005-12-12 | 2016-04-07 | Webasto Ag | Verschiebbarer Dachhimmel |
-
2007
- 2007-03-02 FR FR0701550A patent/FR2913214B1/fr not_active Expired - Fee Related
-
2008
- 2008-02-29 EP EP08775658A patent/EP2125408A1/fr not_active Withdrawn
- 2008-02-29 WO PCT/FR2008/050353 patent/WO2008122735A1/fr active Application Filing
- 2008-02-29 CN CN2008800068581A patent/CN101801700B/zh not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2008122735A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR2913214B1 (fr) | 2011-06-10 |
CN101801700A (zh) | 2010-08-11 |
CN101801700B (zh) | 2012-05-23 |
WO2008122735A1 (fr) | 2008-10-16 |
FR2913214A1 (fr) | 2008-09-05 |
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