EP0846021B1 - Sliding appliance - Google Patents

Abstract

PCT No. PCT/AT96/00142 Sec. 371 Date May 5, 1997 Sec. 102(e) Date May 5, 1997 PCT Filed Aug. 7, 1996 PCT Pub. No. WO97/06864 PCT Pub. Date Feb. 27, 1997There is disclosed a sliding device, in particular a ski (1), having a carrying structure (1') as well as a core (11) at least substantially rigidly connected therewith, and a binding carrier arranged above the core (11) in the longitudinal middle portion of the sliding device and extending at least over the binding area in the longitudinal direction of the sliding device, the binding carrier being elastically supported relative to the carrying structure and the core (11) so as to avoid a transmission of oscillations and impacts from the ski (1) to the ski binding; to increase the stiffness and for an improved introduction of forces, the binding carrier is designed as a deflection-resistant shell carrier (2; 2'; 2'') which also laterally embraces the core (11). (FIG. 4)

Description

The invention relates to a gliding device, in particular a ski, with a supporting structure and thus at least essentially rigidly connected core, and with one in the longitudinal central section of the glider above the core, in Longitudinal direction of the glider at least over the binding area extending, elastically supported binding carrier.

A ski in shell construction is for example from DE-4 322 300 A1 known. This ski is designed to improve the elastic properties and cushioning the gaps between the shell and the core with an elastomer foam filled in, but nevertheless according to the connection the shell with the lower flange vibrations and blows Ski binding can be transferred.

A glider of the type mentioned in the form of a Skis is also known from DE-3 925 491 C2, within of a torsion box as a binding support a holding plate is arranged, which is elastic down at the core and after supported elastically on an aluminum plate. For fixing A ski binding base plates are provided, which over Place spacers on the holding plate and use the Spacers and screws passing through the retaining plate are attached; the screws penetrate into the Core provided, which disadvantageously creates a rigid Connection between the base plates - and thus also the Ski binding - and the core is made and the elastic Support of the holding plate is insufficiently effective is. On the other hand, the introduction of forces to the Tread edges over the top holding plate only in insufficient extent possible.

AT 387 332 B is a ski with reinforcement inserts in Form of two profiles angled at an obtuse angle known that overlap each other and in the attachment area Threaded holes for attaching a binding are provided. The superimposed legs of the profiles are both bonded to each other as well as to the ski core by gluing. Likewise, the legs are angled outwards the profile with the core and at the same time through the core formed sidewalls connected to each other by gluing. There is therefore a rigid connection between the core and the profiles.

Similar to the AT 387 332 B, the AT 323 614 B shows two Reinforcement profiles in the binding area on the top of the ski screwed together with a mounting plate for a binding are. Here, too, is a rigid support for the binding available.

DE 39 33 717 A discloses a ski with several carrying and cover layers, between which an elastic bearing body at least in the bond area. These layers and the elastic bearing body, however, only extend over the Width of the ski, whereby only insufficient damping is possible or the transfer of forces from the leg to the ski when Skiing is impaired.

The aim of the invention is to provide a glider initially mentioned type, in which a transfer of Avoid vibrations and shocks to bind or at least is largely dampened, and in which an effective Force application for driving on the edge is achieved.

The glider according to the invention of the type specified is characterized in that the binding carrier as rigid shell support is formed, the core under elastic support grips laterally. Through these measures the binding parts are mounted on the shell carrier are, in an advantageous manner by the shell carrier of the other supporting structure mechanically decoupled, with a kind "Integrated chassis" is obtained, and what a reliable avoidance of vibration transmission results and nevertheless the control function - with the appropriate length the shell carrier - is not impaired. Most of all through the shell shape of the binding carrier, i.e. a shape generally corresponding to an inverted "U", in cross section seen, not only a comparatively higher stiffness of the Binding carrier achievable, but especially one direct application of force on the tread edges over the legs of the shell carrier extending towards them.

On the one hand, the standing height of the shoes above the top of the glider in the manufacture in the desired manner to be able to determine, as well as to the screw pull resistance increase, it is advantageously provided that the shell carrier at least in the fastening area of binding parts one larger than the other areas of the shell carrier Thickness designed to accommodate fastening screws is. The thickening can extend on the inside, so that get a uniform low height of the glider can be. To bind parts such as toe pieces, heel holders, Binding support plates etc., in a simple manner with the shell carrier being able to connect it has proven to be particularly advantageous proven if the shell carrier in the mounting area the binding parts with at least one upstanding base is formed, which may be through an opening in an upper part of the glider over the top of the ski protrudes.

To ensure good mobility of the shell carrier or its It is to ensure a base in the area of the opening furthermore favorable here if the or each base of the shell carrier through a gap from the (respective) opening is separated.

In terms of good mobility and elastic Supporting the shell carrier in the area of the (respective) opening it is also advantageous if the or each base of the shell support at the edge of the (respective) opening an elastic layer in the gap elastic is supported.

For easy and quick assembly or disassembly of the binding components it is also of particular advantage if the or Each socket has threaded blind holes to hold fastening screws for binding components, e.g. for a binding support plate or for a guide rail.

In a preferred, structurally advantageous embodiment the shell carrier between one in cross section essentially U-shaped shell of the supporting structure on the one hand and the core on the other hand, elastically embedded; in this version thus a shell construction of the gliding device, in particular skis, in which the elastically decoupled cup-shaped binding carrier is included. It can also be a particularly compact Construction can be achieved advantageously in that the Shell carrier between an outer elastic layer and an inner elastic layer is arranged, the outer elastic layer arranged inside the shell and connected to it, whereas the inner elastic layer is connected to the top chord or core. The top chord can are present separately from the shell, whereby it is in this Case can be arranged between the shell carrier and core. On the top chord can also fit directly into the shell of the Support structure to be integrated, then the shell support is arranged between the shell (including the top flange) and the core.

In the case of a design of the glider with top flange, core and lower flange and side cheeks it has on the other hand as proven to be advantageous if the between an outer elastic layer and an inner elastic layer embedded Shell carrier with its upper base between one Upper chord of the supporting structure and the core is arranged, wherein his thighs are covered on the outside by side cheeks. On the other hand it is also favorable here if that between an outer elastic Layer and an inner elastic layer embedded Shell carrier with its upper base above an upper chord the supporting structure is arranged, it being outside of Sidewalls and an upper layer is covered. For simplification of the structure, it is also advantageous if the inner elastic layer spaced from the core, and the free Cavity above and next to the core filled with adhesive material which is also outside the outer elastic layer is provided and the side cheeks as well as an upper layer forms, on which the upper chord is possibly attached.

With regard to the most rigid connection possible between components inside and outside the shell support it has proven to be particularly favorable if the Shell carrier has openings that are in width and Longitudinal direction, especially at regular intervals arranged and filled with adhesive material. It is in the case of the construction with the upper chord at the top advantageous in terms of production, if the cavity over and in addition to the core filling adhesive material which in particular in openings provided in the legs of the shell support enforced and thus an integral unit with the outside of the outer elastic layer provided adhesive material forms. On the other hand, in the case of shell construction, it is advantageous when the outer elastic layer with the inner elastic Layer in the edge area, especially in the area of the upper Openings provided at the base of the shell support is, the free cavity between the shell and the Upper flange in the area of the openings with adhesive material is filled out. The - rigid - adhesive material is more advantageous Way a firm, compact connection between the Shell and the top chord made without the elastic support or mobility of the bowl-shaped Binding carrier, i.e. Cup carrier, in vertical and horizontal direction is restricted.

Another preferred embodiment is characterized in that that the shell carrier is essentially a cross-section U-shaped shell of the supporting structure supported elastically encloses; in this version is therefore an in itself conventional construction: lower flange - core - shell in front, however with the measure that the binding shell carrier the shell surrounds outside and is elastically decoupled, so that also here the addressed "integrated chassis" is obtained. It is structurally particularly advantageous if the shell carrier encloses the shell via an elastic layer, whereby the ends of the shell support and the shell, in cross section seen, angled inwards and the elastic layer surrounds the ends of the cup carrier.

For the desired application of force in the edge areas it is also advantageous if the ends of the legs of the shell carrier Support elastically on the edge areas of a lower chord. Furthermore, it is advantageous if the ends of the shell carrier and possibly the shell, seen in cross section, are angled outwards.

With regard to the desired mechanical decoupling of the Shell carrier (with binding) from the rest of the gliding device it is from particularly advantageous if the elastic support is provided by a elastic adhesive layer or by a vulcanized Rubber layer is formed.

An easy to manufacture, generally sufficient stiff beam design can be obtained if the Shell carrier is an injection molded part.

Advantageously, the shell carrier made of aluminum or one Light metal alloy exist.

To achieve the desired rigidity of the shell carrier achieve, it is also advantageous if the shell carrier consists of glass fiber or carbon fiber reinforced plastic.

To further increase the rigidity of the shell support it is also convenient if the inside and / or outside of the Shell carrier by ribs, webs or grooves, especially in Longitudinal direction, is structured.

Fig.1 schematisch einen Ski mit eingebautem, elastisch abgekoppelten Bindungs-Träger;

Fig.2 schematisch den Bindungsbereich eines solchen Skis in Ansicht;

Fig.3 den Bindungsbereich dieses Skis nach Fig.2 in Draufsicht;

Fig.4 einen Querschnitt einer ersten Ausführungsform gemäß der Linie IV-IV in Fig.3;

Fig.5 ein Detail einer Variante des Skis nach Fig.4 im Längsquerschnitt gemäß der Linie V-V in Fig.4;

Fig.6 weitere Details des Ski nach Fig.4 im Längsquerschnitt; und

die Fig.7 und 8 je einen Querschnitt einer weiteren Ausführungsform in gleicher Schnittführung wie in Fig.3 eingezeichnet.

The invention is explained in more detail below on the basis of preferred exemplary embodiments illustrated in the drawing, to which, however, it should not be restricted. Show it:

1 schematically shows a ski with a built-in, elastically decoupled binding carrier;

2 schematically shows the binding area of such a ski;

3 shows the binding area of this ski according to FIG. 2 in a top view;

4 shows a cross section of a first embodiment along the line IV-IV in Figure 3;

5 shows a detail of a variant of the ski according to FIG. 4 in longitudinal cross section along the line VV in FIG. 4;

6 further details of the ski according to FIG. 4 in longitudinal cross section; and

FIGS. 7 and 8 each show a cross section of a further embodiment in the same cut as in FIG. 3.

1 to 3, 1 generally designates a ski in Shell construction, at least currently, in connection with Fig.4, is regarded as a particularly preferred embodiment, and in which is a rigid, shell-shaped binding support 2, hereinafter referred to as shell carrier, is embedded, the two bases 4 projecting above the ski top 3 for attachment of ski binding components (not shown), especially one Binding support plate 5, which in Fig.2 and 3 with dash-dotted line is shown. The wall thickness of the Shell carrier 2 is, for example, approximately 1 to 1.5 mm, while its height in the area of the base 4 is about 10 mm which is at a penetration depth of e.g. 8 mm for fastening screws is sufficient. The overall length x of the shell support 2 is between 550 mm and about half the length of the Skis, see Fig.1, with the ends of the shell carrier 2 to to the two support areas of the conventional in itself Way with a curvature trained skis 1 can extend.

As can be seen from Figure 2, the base 4 are in plan view rectangular, in particular square. in the In case a binding support plate 5 is used, between the bases 4 below the binding support plate 5 a damping plate (not shown), especially from viscoelastic Material to be arranged, which rests on the top 3 of the ski. Furthermore, the binding support plate 5 with a guide rail (also not shown) provided for ski binding components his.

In the embodiment of the ski 1 shown in FIG. 4 is the shell carrier 2 between an upper or outer elastic Layer 6 and a lower or inner elastic Layer 7 arranged, the outer elastic layer 6th within a part of the supporting structure 1 'of the ski 1, arranged in cross section substantially U-shaped shell 8 and is connected to it; the shell 8 is in itself conventionally constructed, being multi-layered and be equipped with reinforcement elements or reinforcements can, but not in the drawing for the sake of simplicity is shown; furthermore, the shell 8 carries a cover layer 9, which are also multi-layer (e.g. design layer, transparent Protective layer) can be formed.

The lower or inner elastic layer 7 is with a Upper belt 10 connected, which can also be multi-layer, and which in turn is connected to the top of a core 11. The angle between the base of the U-shaped shell 8 and its Legs is preferably greater than 90 °, and the ends of the Legs are angled outward to be parallel to To run horizontally. In this end section is the inner one elastic layer 7 connected to a lower flange 12, the the bottom of the core 11 is arranged so that the Shell carrier 2 on the edge region 12a of the lower flange 12 is elastic is supported.

The lower flange 12 is connected to an intermediate layer 13 Tread covering 14 connected to the steel edges 15 is. The cavities formed on both sides of the actual core 11 16 are with a plastic foam, preferably Elastomer foam, filled, but the core 11 can also extend laterally to the inner elastic layer 7.

As can be seen from the left half of the section in Fig. 4, are in the area of the base 4 in the top parts of the ski 1, namely in the shell 8 and in the cover layer 9, Openings 17 are provided, between the base 4 and a gap 18 is formed in the shell 8 or the cover layer 9, a smooth or low-vertical movement of the base 4 enables.

5 shows a longitudinal section of the ski 1 in the area outside the base 4, in which the shell support 2 openings 19, e.g. in the form of bores or elongated holes, the outer elastic layer 6 with the inner elastic layer 7 in the edge region of the openings 19 is connected, and wherein the free cavity between the shell 8 and the top flange 10 in the area of the openings 19 in the Production of the ski 1 with adhesive material 20, e.g. Epoxy resin, is filled in so that between the shell 8 and the top flange 10 a rigid connection is established, which, however, the elastic support or mobility of the shell support 2 in vertical and horizontal direction because of the connection of the elastic layers 6, 7 in the openings 19 not impaired. The openings 19 are over the top or base of the shell support 2 in the width and length direction in arranged at regular intervals.

In the transition area shown in Fig. 6 in the longitudinal direction of the ski of the shell support 2 at the base 4 and on e.g. in the longitudinal direction of the ski front end of the shell support 2 in the embodiment according to Figure 4 is also the one mentioned above Openings 17 formed gap 18 between the base 4 and the cover layer 9 or the shell 8 can be seen. A fastening screw in the base 4 is indicated and designated with 21. At the front (and similarly at the rear) end the shell carrier 2 is between the top flange 10 and the shell 8 a filling layer 22 is arranged, the thickness of which is the sum of Material thicknesses of the two elastic layers 6 and 7 and Shell carrier 2 corresponds, the end face between the Filling layer 22 and the elastic layers 6, 7 and the Shell carrier 2, a free space 23 is provided, the enables longitudinal movement of the shell support 2. This Clearance 23 can of course also be elastic Material must be filled out.

The gap 18 shown in Figures 4 and 6 between the base 4 and the cover layer 9 or the shell 8 can in a corresponding Be so wide that the upper elastic Layer 6 filling the gap 18 up to the edge of the cover layer 9 can be raised so that the base 4 elastic on all sides is supported on the edge of the shell 8.

The embodiment of the ski 1 shown in FIG. 7 shows a shell support 2 ', which is below or within arranged by him elastic layer 24 to the supporting structure 1 'belonging shell 8' encloses from the outside, wherein - in Cross section seen - the ends of the shell support 2 'and Shell 8 'are angled inwards. The elastic layer 24 surrounds the inwardly angled ends of the shell support 2 ', so that this in turn opposite the edge regions 12a of the Lower flange 12, the core 11 and the ends of the shell 8 ' is supported elastically. The visible on both sides of the core 11 Cavities 16 'are in turn with plastic foam or filled in the core material. The rest of the structure with lower flange 12, Intermediate layer 13, tread 14 and steel edges 15 is executed in the same way as shown in Fig.4. A Cover layer (not shown) is only outside the area the shell carrier 2 '(i.e. in the front and rear ski area, see Fig.1) attached to the shell 8 '.

In the ski 1 shown in FIG. 8, the legs 25 of the Shell carrier 2 "openings 26, e.g. in the form of Boreholes or elongated holes, which in the longitudinal direction in are arranged at regular intervals. The upper or outer elastic layer 6 is with the lower or inner elastic layer 7 in the edge region of the openings 26 connected. The inner elastic layer 7 is at a distance from Core 11 arranged, and the free cavity thereby formed over the core 11 and the remaining free cavity 16 "laterally the core 11 is filled with adhesive material 20 ", which the Breakthroughs 26 penetrating and the outer elastic Layer 6 spanning sidewalls 27 and an upper layer 28, on which an upper flange 29 belonging to the supporting structure 1 ' is attached, and a lower layer 30 above the core 11 forms. In this case, for example, a elastically modified PU material used, which in Final state is hard or rigid and both an adhesive function as also fulfills a side cheek and fill material function. (On such PU material is common and in the Ski production already in use). Which in turn in the area the base 4 provided openings 17, which the gap 18 are in the outer elastic layer 6, in the upper layer 28 and formed in the upper chord 29, whereby how mentioned above, the gap 18 through the outer elastic layer 6 can be filled out.

As in the embodiment of Figure 4, the ends of the Leg 25 of the shell support 2 "angled outwards and via the inner elastic layer 7 with the lower flange 12 connected so that the shell carrier 2 "at the edge region 12a of the Lower belt 12 is supported elastically. Furthermore, at the embodiment shown in Fig.8, similar to that in Fig.5 shown, openings (not shown) in the upper Section of the shell support 2 "can be provided, through which the upper layer 28 may be connected to the lower layer 30 can. Conversely, according to Figure 8 in the legs 25 of the Shell carrier 24 provided openings 26 also in the Embodiment according to Figure 4 may be present.

If the invention is based on preferred embodiments was explained in more detail, so it goes without saying Modifications and changes possible, such as that instead of the separate two bases 4 shown in FIGS. 2 and 3 a single, elongated base for binding assembly is available can be. Also, as shown in Figure 4, it can only be very schematic 6a, in this embodiment also the free, outwardly angled end of the shell support 2 from elastic material, i.e. the outer are elastic layer 6 and the inner elastic layer 7 connected to each other at 6a. In this case, the Shell 8 directly with the lower flange 12 - conventional in itself Way - be connected, as also schematically in Fig.4 - with dash-dotted line - is indicated. Such Conventional connection can also be used in those ski areas where there is no shell carrier 2, can also be provided.

In contrast to that shown in FIGS. 4 and 5, the upper chord can also be used be integrated directly into the shell, so that in this case the rigid shell support 2 over the inner elastic layer 7 can rest directly on the core 11. In this case, would of course, those that are otherwise preferred No openings 19 in the shell support 2 (see Fig. 5).

It is different from the embodiment shown in FIG further possible to use a top flange 29 '- in addition to or instead of top belt 29 shown - in PU filling or adhesive material 20 " between the base 39 of the shell support 2 "and the core 11 to arrange, as shown in Fig. 8 with dash-dotted lines Line is illustrated at 29 '.

The elastic layers 6, 7 and 24 can by a elastic adhesive layer or by a on the shell carrier 2 or 2 'or 2 "vulcanized rubber layer.

The shell carrier 2, 2 'or 2 "can be made of glass fiber reinforced Plastic (GRP) or carbon fiber reinforced plastic consist. Alternatively, the shell carrier 2, 2 'or 2 " Injection molding, e.g. made of aluminum or a light metal alloy, his. To increase the rigidity, the surface of the Shell carrier 2, 2 ', 2 "structured. For example, on the top and / or bottom of the shell carrier 2, 2 ', 2 "longitudinal grooves, ribs or webs with a depth or height of about 1 mm. The base 4 can with Threaded blind holes (not shown) for receiving the Fixing screws 19 for ski binding components, such as Toe, heel holder or the binding support plate 5, if necessary, with guide rails of the binding parts his.

Those described above using ski designs Design options can also be used with other gliders except for skis, especially alpine skis like a firefighter, a monoski, but also on snowboards.

Claims (26)

1. A sliding device, in particular a ski (1), having a carrying structure as well as a core (11) at least substantially rigidly connected therewith, and an elastically supported binding carrier (2) arranged above the core (11) in the longitudinal middle portion of the sliding device and extending at least over the binding area in the longitudinal direction of the sliding device, characterized in that the binding carrier is designed as a bending-resistant shell carrier (2; 2'; 2") which laterally embraces the core (11) and is elastically supported.
2. A sliding device according to claim 1, characterized in that, at least in the fastening region of binding parts, the shell carrier (2; 2'; 2") is of a thickness greater than that of the remaining regions of the shell carrier (2; 2'; 2") so as to accommodate fastening screws (21).
3. A sliding device according to claim 2, characterized in that in the fastening region of the binding parts, the shell carrier (2; 2'; 2") is configured with at least one upwardly projecting pedestal (4).
4. A sliding device according to claim 3, characterized in that the or each pedestal (4) projects through an opening (17) in an upper side portion (8, 9; 28; 29) of the sliding device (Fig. 4; 8).
5. A sliding device according to claim 4, characterized in that the or each pedestal (4) of the shell carrier (2; 2") is separated from the (respective) opening (17) by a gap (18).
6. A sliding device according to claim 5, characterized in that the or each pedestal (4) of the shell carrier (2; 2") is elastically supported at the rim of the (respective) opening (17) by an elastic layer inserted in the gap (18).
7. A sliding device according to one of claims 4 to 6, characterized in that the or each pedestal (4) has threaded blind bores to receive fastening screws (19) for components of the binding, e.g. for a binding carrier plate (5) or for a guide rail.
8. A sliding device as claimed in one of claims 1 to 7, characterized in that the shell carrier (2) is elastically embedded between a shell (8), substantially U-shaped in cross-section, of the carrying structure (1') on the one hand and the core (11) on the other (Fig. 4).
9. A sliding device according to claim 8, characterized in that the shell carrier (2) is arranged between an outer elastic layer (6) and an inner elastic layer (7), the outer elastic layer (6) being arranged within the shell (8) and connected thereto, whereas the inner elastic layer (7) is connected to an upper strap (10) or the core (11) (Fig. 4).
10. A sliding device according to any one of claims 1 to 7, characterized in that the shell carrier (2"), which is embedded between an outer elastic layer (6) and an inner elastic layer (7), is arranged with its upper base (31) between an upper strap (29) of the carrying structure (1') and the core (11), its legs (25) being externally covered by side faces (27) (Fig. 8).
11. A sliding device according to any one of claims 1 to 7, characterized in that the shell carrier (2"), which is embedded between an outer elastic layer (6) and an inner elastic layer (7), is arranged with its upper base (31) above an upper strap (29') of the carrying structure (1'), being externally covered by side faces (27) and an upper layer (28) (Fig. 8).
12. A sliding device according to claim 10 or 11, characterized in that the inner elastic layer (7) is arranged at a distance from the core (11) and that the free cavity above and beside the core (11) is filled with adhesive material (20") which is also provided externally to the outer elastic layer (6) and forms the side faces (27) as well as an upper layer (28) on which the upper strap (29) is optionally provided (Fig. 8).
13. A sliding device according to one of claims 1 to 12, characterized in that the shell carrier (2; 2") has openings (19; 26) distributed, in particular at regular intervals, in the width and longitudinal directions and filled with adhesive material (20; 20") (Figs. 5; 8).
14. A sliding device according to claim 12 and claim 13, characterized in that the adhesive material (20") filling the cavity above and beside the core (11) passes through the openings (26) particularly provided in the legs (25) of the shell carrier (2") and thus forms an integral unit with the adhesive material provided externally to the outer elastic layer (6).
15. A sliding device according to claim 9 and claim 13, characterized in that the outer elastic layer (7) is connected to the inner elastic layer (6) in the rim region of the openings (19) particularly provided in the region of the upper base of the shell carrier (2), the free cavity between the shell (8) and the upper strap (10) in the region of the openings (19) being filled with adhesive material (20) (Fig. 5).
16. A sliding device according to any one of claims 1 to 7, characterized in that the shell carrier (2') surrounds a shell (8'), of substantially U-shaped cross-section, of the carrying structure (1') and is elastically supported (Fig. 7).
17. A sliding device according to claim 16, characterized in that the shell carrier (2') surrounds the shell (8') via an elastic layer (24), the ends of the shell carrier (2') and of the shell (8'), viewed in cross-section, being inwardly angled and the elastic layer (21) surrounding the ends of the shell carrier (2') (Fig. 7).
18. A sliding device according to one of claims 1 to 17, characterized in that the ends of the legs (25) of the shell carrier (2; 2'; 2") are elastically supported on the rim regions (12a) of a lower strap (12).
19. A sliding device according to one of claims 1 to 16 or 18, characterized in that the ends of the shell carrier (2; 2") as well as optionally the shell (8), viewed in cross-section, are angled outwardly (Fig. 4; 8).
20. A sliding device according to one of claims 1 to 19, characterized in that the elastic support is formed by an elastic adhesive layer.
21. A sliding device according to one of claims 1 to 19, characterized in that the elastic support is formed by a rubber layer which is vulcanized thereon.
22. A sliding device according to one of claims 1 to 21, characterized in that the shell carrier (2; 2'; 2") is an injection-moulded part.
23. A sliding device according to one of claims 1 to 22, characterized in that the shell carrier (2; 2'; 2") is made of aluminium or a light metal alloy.
24. A sliding device according to one of claims 1 to 21, characterized in that the shell carrier (2; 2'; 2") is made of glass fibre-reinforced plastic.
25. A sliding device according to one of claims 1 to 21, characterized in that the shell carrier (2; 2'; 2") is made of carbon fibre-reinforced plastic.
26. A sliding device according to one of claims 1 to 25, characterized in that the inner and/or outer side of the shell carrier (2; 2'; 2") is structured, in particular in the longitudinal direction, by ribs, webs or flutes.

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