EP3885009A1 - Corps de planche de glisse avec un noyau en bois et des couches de liaison en mousse de pu sous et/ou au-dessus du noyau - Google Patents

Corps de planche de glisse avec un noyau en bois et des couches de liaison en mousse de pu sous et/ou au-dessus du noyau Download PDF

Info

Publication number: EP3885009A1
Authority: EP; European Patent Office
Prior art keywords: board body; gliding board; core; chord; layer
Prior art date: 2020-03-25
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.): Granted

Application number

EP20165635.2A

Other languages

German (de)

English (en)

Other versions

EP3885009B1 (fr

Inventor

Nikolaus Hotter

Kai HIßBACH

Andreas Ametsbichler

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Head Technology GmbH

Original Assignee

Head Technology GmbH

Priority date (The priority date 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 date listed.)

2020-03-25

Filing date

2020-03-25

Publication date

2021-09-29

2020-03-25 Application filed by Head Technology GmbH filed Critical Head Technology GmbH

2020-03-25 Priority to EP20165635.2A priority Critical patent/EP3885009B1/fr

2021-09-29 Publication of EP3885009A1 publication Critical patent/EP3885009A1/fr

2022-03-23 Application granted granted Critical

2022-03-23 Publication of EP3885009B1 publication Critical patent/EP3885009B1/fr

Status Active legal-status Critical Current

2040-03-25 Anticipated expiration legal-status Critical

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Classifications

- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C5/00—Skis or snowboards
- A63C5/12—Making thereof; Selection of particular materials
- A63C5/126—Structure of the core
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C5/00—Skis or snowboards
- A63C5/12—Making thereof; Selection of particular materials

Definitions

the present invention relates to a gliding board body, in particular a ski or snowboard body, and a method for producing such a gliding board body.
gliding board bodies are known from the prior art.
a core is located between an upper chord and a lower chord, the individual layers of the construction being glued or pressed together by means of a resin.
wood was used as the core material; it is also known as a "sandwich construction".
sliding board bodies are also known in which the core consists of a synthetic material, for example polyurethane (PU) foam.
PU polyurethane
the production of such a sliding board body with a PU foam core is significantly more cost-effective than the use of a wood core.
the mechanical properties of such a PU core are, however, not comparable with those of a wood core, and gliding board bodies with a wood core are generally considered to be of higher quality.
composite constructions in which a wooden core is covered with a PU foam. These constructions are also more cost-effective because of the lower proportion of wood, but are less advantageous in comparison to sandwich constructions.
the present invention is directed, inter alia, to a gliding board body with a longitudinal axis, which has a wooden core with an upper side, an underside and at least two side surfaces. Furthermore, the gliding board body has at least two side walls connected to the respective side surfaces of the wooden core.
a top chord with one or more top chord layers and a cover layer, which can also serve as a design carrier, are arranged above the top of the wooden core.
a lower chord with one or more lower chord layers and a running surface with side edges are arranged below the underside of the wooden core.
a first connection layer is provided which (i) is arranged between the top of the wood core and the top chord and / or (ii) between the top chord and the cover layer and / or (iii) between a first top chord layer and a second top chord layer (of the several upper chord layers) and the layers adjoining them are glued to one another.
a second connecting layer is provided, which (i) is arranged between the underside of the wood core and the lower chord and / or between the lower chord and the running surface and / or (iii) between a first lower chord layer and a second lower chord layer (of the several lower chord layers) and the adjacent layers are glued together.
the first and / or the second connecting layer has a polyurethane (PU) foam.
the sliding board body according to the invention has the mechanical advantages and the value of a sliding board body with a classic wood core in a sandwich construction.
the gliding board body according to the invention can be produced more simply and cost-effectively, since for this purpose already known machines for producing gliding board bodies with a PU core or a PU-coated wood core can be used.
the present invention is based on producing a sandwich ski using the PU process.
the first and / or the second connecting layer has a PU foam and not, as has already been practiced in individual cases in the prior art, PU resin as an adhesive (an epoxy resin is usually used for this) in one Sandwich construction is used. It is a solid foam with gas bubbles that are separated from each other by solid PU walls. Such a foam has a density of less than 1 g / cm 3 , preferably less than 0.9 g / cm 3 and particularly preferably less than 0.8 g / cm 3 .
Such a PU foam can easily be injected with the known PU process into corresponding gaps between the layers adjoining the connecting layer and also completely fills irregularly shaped gaps so that a dimensionally stable connection is generated between the individual layers of the gliding board body. Because of the low density of the PU foam, the weight of the gliding board body is not unnecessarily increased.
the first connecting layer preferably extends in a cross section perpendicular to the longitudinal axis of the gliding board body continuously from one side cheek to the opposite side cheek and / or from an outer side edge of the gliding board body to the opposite outer side edge of the gliding board body.
the second connecting layer also extends in a cross section perpendicular to the longitudinal axis of the gliding board body, preferably continuously from one side cheek to the opposite side cheek and / or from one side edge of the running surface to the opposite side edge of the running surface and / or from one side edge of the sliding board body to the opposite side edge of the sliding board body.
the wooden core is connected directly to the side walls on both of its side surfaces, for example glued.
the side panels can be made of different materials such as acrylonitrile-butadiene-styrene copolymers (ABS) or phenol.
a connecting layer is arranged between the layers A and B does not exclude that the connecting layer comes into contact with further layers and these further layers are glued to one another or to one of the layers A and B.
the first connecting layer between the top of the wooden core and the top chord can connect the top chord both to the top of the wooden core and to the top of the side cheeks.
the first connecting layer can be in contact both with the first upper belt layer and with the second upper belt layer.
the second connecting layer between the underside of the wooden core and the lower chord can also be in contact with part of the running surface and / or its side edges and / or with the undersides of the side walls.
Corresponding variants are also conceivable for the other alternative arrangements for the second connection layer.
the maximum thickness of the first and / or second connecting layer is less than the maximum thickness of the wood core, particularly preferably less than the minimum thickness of the wood core.
the mechanical properties should primarily be dominated by the wood core. It is in this Connection further preferred that at least along a second longitudinal section of the gliding board body for each cross section perpendicular to the longitudinal axis of the gliding board body, the average thickness of the first and / or second connecting layer is smaller than the average thickness of the wood core.
the thickness of the PU foam layer is as thin as possible. However, a certain minimum thickness is required in order to be able to introduce the foam-forming PU material into the corresponding spaces.
the average thickness of the first and / or second connecting layer is less than 4 mm, more preferably less than 3 mm and particularly preferably less than 2 mm.
the ratio of the cross-sectional area of the wood core to the total cross-sectional area of the first and second connecting layer is at least 1.0, preferably at least 1.5 and particularly preferably at least 2, Is 0.
the first to fourth longitudinal sections are not mutually adjoining sections, but rather the different longitudinal sections overlap with one another and can in some cases also be identical.
the first longitudinal section extends preferably over at least 60%, more preferably at least 70% and particularly preferably at least 80% of the length of the gliding board body (measured from the blade tip to the rear end of the rear end bend).
the first longitudinal section preferably extends over at least 80%, more preferably at least 90% and particularly preferably at least 95% of the length of the wood core.
the second longitudinal section preferably extends over at least 60%, more preferably at least 70% and particularly preferably at least 80% of the length of the gliding board body.
the second longitudinal section preferably extends over at least 80%, more preferably at least 90% and particularly preferably at least 95% of the length of the wood core.
the third longitudinal section preferably extends over at least 60%, more preferably at least 70% and particularly preferably at least 80% of the length of the gliding board body.
the third longitudinal section preferably extends over at least 80%, more preferably at least 90% and particularly preferably at least 95% of the length of the wood core.
the fourth longitudinal section preferably extends over at least 60%, more preferably at least 70% and particularly preferably at least 80% of the length of the gliding board body.
the fourth longitudinal section preferably extends over at least 80%, more preferably at least 90% and particularly preferably at least 95% of the length of the wood core.
the wood core preferably extends over at most 95%, more preferably at most 90% and particularly preferably at most 85% of the length of the gliding board body and / or over at least 50%, preferably at least 60% and particularly preferably at least 70% of the length of the gliding board body.
the present invention is also directed to a method for producing a gliding board body, in particular a gliding board body as described above.
an upper cover layer, an upper chord with one or more upper chord layers, a running surface, a lower chord with one or more lower chord layers and a wooden core with an upper side, an underside and at least two side surfaces as well as at least two side cheeks connected to the respective side surfaces of the wooden core in a shape is introduced in such a way that (i) between the top chord and the top of the wood core and / or (ii) between the top chord and the cover layer and / or (iii) between a first top chord layer and a second top chord layer there is a first gap and that ( i) there is a second gap between the tread and the underside of the wood core and / or (ii) between the underside of the wood core and the lower chord and / or (iii) between a first lower chord layer and a second lower chord layer.
a PU material is then injected into the first and second interspaces, forming a PU foam in the first and second interspaces, in order to glue the layers adjoining the interspaces to one another.
the first intermediate space and the second intermediate space are preferably completely filled with PU foam.
the first intermediate space preferably also extends between the upper flange and the upper side of the respective side cheek and / or the second intermediate space also extends between the lower flange and the lower side of the respective side cheek.
the side cheeks are connected to the wood core, for example glued, before being introduced into the mold.
the PU material is preferably injected in such a way that the first material front in the first interspace moves forward approximately at the same speed as the second material front in the second interspace. This prevents the geometric arrangement of the individual components within the mold from being jeopardized by a corresponding expansion of the PU foam due to the premature advance of a material front. It is preferred that the distance in the longitudinal direction of the gliding board body between the first material front and the second material front during the injection process is always less than 10 cm, preferably less than 7 cm and particularly preferably less than 5 cm.
the PU material is preferably injected into the spaces from a longitudinal end of the mold.
the thickness of the wood core tapers at the front and / or rear end of the wood core.
the first and second intermediate spaces are designed in such a way that the preferred dimensions of the gliding board body according to the invention can be achieved.
the average thickness of the first and / or second intermediate space is less than 4 mm, preferably less than 3 mm and particularly preferably less than 2 mm.
FIG Figure 1 shows a cross section through a gliding board body according to a preferred embodiment of the present invention.
An alternative according to a further preferred embodiment is shown in FIG Figure 2 to see.
the longitudinal axis of the sliding board body shown extends perpendicular to the plane of the drawing.
the sliding board body has a wooden core 1 with an upper side 1a, a lower side 1b and two side surfaces 1c. With the two side surfaces 1c of the wood core, respective side cheeks 2 of the gliding board body are connected. The side cheeks 2 are usually glued to the two side surfaces 1c of the wooden core 1.
other connection methods are also conceivable.
the gliding board body also has an upper belt 3 with a first upper belt layer 3a and a second upper belt layer 3b, as well as a cover layer 3c, which, among other things, can also serve as a design carrier.
the first and second upper chord layers can have different dimensions in the transverse direction, as shown in FIG Figure 1 can be seen, but can also have identical dimensions (cf.e.g. Figure 6 ).
the gliding board body also has a lower chord 5 with a first lower chord layer 5a and a second lower chord layer 5b and a running surface 6 with respective side edges 6a.
the first and second lower belt layers can have an identical extension in the transverse direction, as shown in Figure 1 can be seen, but can also have different dimensions (cf.e.g. Figure 7 ).
the top chord 3 (to be precise, the complete first top chord layer 3a and part of the second top chord layer 3b) is glued to the top side 1a of the wooden core 1 and the two side walls 2 by means of a first connecting layer 7.
the lower chord 5 (or the first lower chord layer 5a) is glued to the underside 1b of the wooden core 1 and the two side walls 2 by means of a second connecting layer 8.
the first connection layer 7 or the second connection layer 8 or both connection layers 7 and 8 should have a PU foam.
the second connecting layer 8 also glues the underside 1b of the wooden core 1 and the two side walls 2 to part of the running surface 6 and their side edges 6a.
the only decisive factor is that the first or second connecting layer serves to connect the upper chord or lower chord with the wooden core and optionally the side walls.
the PU foam according to the invention replaces the resin connection customary in sandwich constructions in at least one of the two connecting layers. On the one hand, this makes the manufacturing process simpler and correspondingly more cost-effective.
PU foam - in contrast to the resins commonly used - is extremely well suited to compensating for corresponding variabilities in the distance between the wood core on the one hand and the upper chord or lower chord on the other.
the thickness of the first connecting layer 7 varies quite considerably, among other things, in that the upper flange 3 (together with the cover layer 4) has a concave section 20 which, in the present case, is approximately V-shaped.
This specific shape of the upper belt 3, the thickness of the first Connection layer 7 in the edge areas can be many times larger than in the central area of the cross section.
FIG. 4 an exemplary embodiment can be seen in which the wooden core 1 has a regular pattern of projections 8 and depressions 9.
these projections 8 and depressions 9 are provided on both the top side 1a and the bottom side 1b of the wooden core 1. But you could also be provided only on one of the two sides.
the PU foam used in the context of the present invention easily fills the corresponding depressions 9 in the wooden core 1 and thus ensures a consistently stable connection between the wooden core 1 and the upper chord 3 or the lower chord 5 as well as a corresponding mechanical stability of the gliding board body.
first and / or second connection layer extend continuously from one side cheek 2 to the opposite side cheek 2 in a cross section perpendicular to the longitudinal axis of the gliding board body.
the first and / or second connecting layer can be used by means of a thick profile to compensate for variabilities in the distance between the wooden core and the upper chord or lower chord, it is nevertheless preferred that the first and / or second connecting layer Forms a thin adhesive layer from PU foam and does not dominate the mechanical properties, as is the case with conventional PU gliding board bodies.
the maximum thickness of the first and / or second connecting layer is less than the maximum thickness of the wood core, preferably less than the minimum thickness of the wood core.
the corresponding Thicknesses are only shown as an example in a cross section perpendicular to the longitudinal axis of the gliding board body Figure 3 registered.
the maximum thickness D7 max of the first connecting layer 7 and the maximum thickness D8 max of the second connecting layer 8 are each smaller than the maximum thickness D1 max of the wooden core 1 and the minimum thickness D1 min of the wooden core 1 an illustrated cross section according to Figure 3 apply, but for each cross section perpendicular to the longitudinal axis of the gliding board body along a certain longitudinal section of the gliding board body, which can extend, for example, over at least 60% of the length of the gliding board body.
this relation can be deviated from, even if, for example, the wood core tapers very strongly and therefore the thickness of the connecting layers can be greater than the maximum thickness of the wood core.
the ratio of the cross-sectional area of the wood core to the total cross-sectional area of the first and second connecting layer is at least 1.0, preferably at least 1.5 and particularly preferably at least 2, Is 0.
FIG. 5 shows a longitudinal section through a mold for producing a gliding board body according to the invention.
the mold 10 shown consists essentially of an upper mold half 14 and a lower mold half 15, into which the upper and lower chords (including the cover layer and running surface), the wooden core 1 and the side cheeks connected to the respective side surfaces of the wooden core 1 are introduced.
the course of the mold halves 14 and 15 reflects the three main components of a gliding board body, namely the middle part 11, the blade head 12 and the rear end 13.
the blade head 12, the rear end 13 and the central section of the middle part 11 of the gliding board body are each enlarged longitudinal sectional drawings in the Figures 5a to 5c pictured.
the wood core 1 in the illustrated embodiment has an essentially constant thickness (or a thickness that is only very slightly variable), so that above and below the wood core 1 a space with a substantially constant thickness is formed, which in the In the course of the procedure it will be filled with PU foam.
the cross-section through the gliding board body according to the invention can be at any point of the in Figure 5c illustrated portion of the central part be substantially identical and one of the cross-sections according to the Figures 1 to 4 correspond.
the wood core 1 tapers in the direction of the shovel head or rear end (cf. Figures 5a and 5b ), so that the cross-sections in these edge sections of the middle part can vary significantly under certain circumstances.
the mold 10 formed by the two mold halves 14 and 15 is closed in the region of the rear end - apart from an outlet, not shown, for the air displaced by the foam (cf. Figure 5b ), whereas in the area of the blade head (cf. Figure 5a ) an inlet 17 for injecting a PU material through the intermediate space 16 into the first intermediate space 18 and the second intermediate space 19 is provided on the upper and lower side of the wood core 1.
the PU material After the PU material has been injected into the first and second interspaces, the PU material forms a PU foam in the first interspace 18 and in the second interspace 19, so that the upper chord of the gliding board body according to the invention with the upper side of the wooden core 1 and the lower chord of the Gliding board body according to the invention is glued to the underside of the wooden core 1.
a PUR high-pressure reaction molding machine HK for processing hard integral skin foam from the manufacturer Hennecke was used for the present exemplary embodiment. In conjunction with the mixer head used, this machine allows the production of all types of rigid foams and, in particular, integral foams.
the PU material used was the integral skin foam system consisting of Modipur® US452 black and isocyanate US20 available from Hexcel. It is a propellant-free system for foams with a high modulus of elasticity.
the two components of this integral skin foam system were mixed at a processing temperature of 28 to 32 ° C in the mixing head and the mixture was passed through the injection opening 17 on the blade head (cf.
Figure 5a the mold 10 is injected into the first and second interspaces at a pressure of 140 to 145 bar.
the mold was heated to a temperature of 50 to 54 ° C. After a setting time of approx. 40 to 45 s, the mold halves were separated from one another and the sliding board body removed from the mold. The entire foam cycle took about 5 to 8 minutes.
the viscosity of the mixture during injection is as low as possible in order to ensure that the PU material can easily penetrate into small spaces.
the viscosity at 25 ° C. is preferably less than 1000 mPas, more preferably less than 800 mPas and particularly preferably less than 700 mPas.
first connecting layer is provided between the top of the wooden core and the upper chord and a second connecting layer is provided between the underside of the wooden core and the lower chord.
a first connecting layer can also be arranged between the upper belt and the cover layer and / or between a first upper belt layer and a second upper belt layer and a second Connecting layer can be arranged between the lower belt and the running surface and / or between a first lower belt layer and a second lower belt layer.
the first connecting layer 7 is arranged between the upper belt 3 (or the second upper belt layer 3b) and the cover layer 4 and the second connecting layer 8 between the lower belt 5 (or the second lower belt layer 5b) and the running surface 6.
the two upper belt layers 3a and 3b and the two lower belt layers 5a and 5b each have identical dimensions, but this is not necessary. However, it is preferred that at least one of the two upper chord layers extends on both sides as far as the lateral edge of the gliding board body, as shown in FIG Figure 6 you can see.
the individual upper or lower belt layers can be connected to one another via a resin layer, for example.
the upper and lower chord layers are separated from one another and connected to one another via the two connecting layers. Accordingly, the first connecting layer 7 is arranged between the first upper belt layer 3a and the second upper belt layer 3b and the second connecting layer 8 is arranged between the first lower belt layer 5a and the second lower belt layer 5b.
the upper and lower chord layers can have different dimensions than the lower chord layers 5a and 5b or can extend in the transverse direction to the same extent as the upper chord layers 3a and 3b.
the upper and lower belt layers do not have to be treated in the same way as in the Figures 6 and 7th is shown. Rather, the arrangement of the top chord layers can also be chosen Figure 6 with the arrangement of the lower chord layers Figure 7 can be combined, etc.

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Laminated Bodies (AREA)

EP20165635.2A 2020-03-25 2020-03-25 Corps de planche de glisse avec un noyau en bois et des couches de liaison en mousse de pu sous et/ou au-dessus du noyau Active EP3885009B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
EP20165635.2A EP3885009B1 (fr)	2020-03-25	2020-03-25	Corps de planche de glisse avec un noyau en bois et des couches de liaison en mousse de pu sous et/ou au-dessus du noyau

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP20165635.2A EP3885009B1 (fr)	2020-03-25	2020-03-25	Corps de planche de glisse avec un noyau en bois et des couches de liaison en mousse de pu sous et/ou au-dessus du noyau

Publications (2)

Publication Number	Publication Date
EP3885009A1 true EP3885009A1 (fr)	2021-09-29
EP3885009B1 EP3885009B1 (fr)	2022-03-23

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ID=70008355

Family Applications (1)

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EP20165635.2A Active EP3885009B1 (fr)	2020-03-25	2020-03-25	Corps de planche de glisse avec un noyau en bois et des couches de liaison en mousse de pu sous et/ou au-dessus du noyau

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2611518A1 (fr) *	1987-02-27	1988-09-09	Salomon Sa	Ski a amortissement reparti
US4902548A (en) *	1986-02-21	1990-02-20	Atomic Skifabrik A. Rohrmoser	Reinforcing member
EP0620027A1 (fr) *	1993-04-16	1994-10-19	Skis Rossignol S.A.	Ski comportant des chants et une coque supérieure
US5584496A (en) *	1992-07-16	1996-12-17	Atomic For Sport Gmbh	Integrated top strap for a ski
EP1421978A1 (fr) *	2002-11-22	2004-05-26	Skis Rossignol S.A.	Planche de glisse et procédé de fabrication d'une telle planche de glisse

2020
- 2020-03-25 EP EP20165635.2A patent/EP3885009B1/fr active Active

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4902548A (en) *	1986-02-21	1990-02-20	Atomic Skifabrik A. Rohrmoser	Reinforcing member
FR2611518A1 (fr) *	1987-02-27	1988-09-09	Salomon Sa	Ski a amortissement reparti
US5584496A (en) *	1992-07-16	1996-12-17	Atomic For Sport Gmbh	Integrated top strap for a ski
EP0620027A1 (fr) *	1993-04-16	1994-10-19	Skis Rossignol S.A.	Ski comportant des chants et une coque supérieure
EP1421978A1 (fr) *	2002-11-22	2004-05-26	Skis Rossignol S.A.	Planche de glisse et procédé de fabrication d'une telle planche de glisse

Also Published As

Publication number	Publication date
EP3885009B1 (fr)	2022-03-23

Publication	Publication Date	Title
DD285386A5 (de)	1990-12-12	Bauteil auf velours-gewebebasis und verfahren zu seiner herstellung
DE69211115T3 (de)	2000-04-27	Verfahren und Vorrichtung zur Herstellung einer Platte und nach diesem Verfahren hergestellte Platte
DE4106911C2 (de)	1998-07-02	Ski
EP0394396B1 (fr)	1992-09-02	Ski
EP4010158B1 (fr)	2024-07-31	Panneau de matériau et procédé de production d'un panneau de matériau
DE4218444A1 (de)	1993-12-09	Bindemittelhaltige Fasermatten aus Zellulose- bzw. Lignozellulosefasern
DE102004023157A1 (de)	2005-11-24	Verfahren und Vorrichtung zur Herstellung von flächigen Elementen, Verwendung einer pastösen Masse zur Bildung eines seitlichen Verbindungsmittels sowie flächiges Element
DE60318292T2 (de)	2008-12-11	Gleitbrett and sein Herstellungsverfahren
DE202007018343U1 (de)	2008-05-15	Schaumkunststoff-Schuheinlegesohle
EP3885009B1 (fr)	2022-03-23	Corps de planche de glisse avec un noyau en bois et des couches de liaison en mousse de pu sous et/ou au-dessus du noyau
DE69917048T2 (de)	2004-09-02	Verbundwerkstoffkonstruktion
DE3816936A1 (de)	1989-02-02	Verfahren zur herstellung von skiern mit unterschiedlichen schwingungsdaempfungen sowie nach diesem verfahren hergestellte skier
EP0564525B1 (fr)	1995-10-25	Semelle ainsi que procede pour sa fabrication
WO2019219532A1 (fr)	2019-11-21	Forme imprimée 3d et procédé pour la fabrication d'une forme imprimée 3d
DE102004019051A1 (de)	2005-11-17	Verbundbauteil für eine Fahrzeugkarosserie, insbesondere für ein Fahrzeugdach, sowie Herstellungsverfahren dafür
EP1601425A1 (fr)	2005-12-07	Planche de glisse, en particulier ski
EP0954435A1 (fr)	1999-11-10	Procede de production d'une baignoire composite
EP1386713A1 (fr)	2004-02-04	Objet en matière plastique moulé par injection
EP1601428A1 (fr)	2005-12-07	Planche de glisse, en particulier ski, et son procede de production
AT413016B (de)	2005-10-15	Gleitbrett, insbesondere ski, und verfahren zur herstellung
DE69810035T2 (de)	2003-10-16	Verfahren zur Herstellung eines Verbundmaterials mit Kernfasern und damit hergestellte Faserstruktur
DE2541073A1 (de)	1977-03-17	Ski mit einem einstueckigen kern
AT372862B (de)	1983-11-25	Verfahren zur herstellung eines skis
AT404900B (de)	1999-03-25	Verstärkungseinlage für einen ski, insbesondere alpinski
DE2119862A1 (de)	1973-01-18	Ski

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