EP0062190B1 - Planche de surf, notamment planche à voile et procédé pour sa fabrication - Google Patents

Planche de surf, notamment planche à voile et procédé pour sa fabrication Download PDF

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Publication number
EP0062190B1
EP0062190B1 EP82102201A EP82102201A EP0062190B1 EP 0062190 B1 EP0062190 B1 EP 0062190B1 EP 82102201 A EP82102201 A EP 82102201A EP 82102201 A EP82102201 A EP 82102201A EP 0062190 B1 EP0062190 B1 EP 0062190B1
Authority
EP
European Patent Office
Prior art keywords
base element
synthetic resin
windsurfing board
windsurfing
board according
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.)
Expired
Application number
EP82102201A
Other languages
German (de)
English (en)
Other versions
EP0062190A1 (fr
Inventor
Ernstfried Prade
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.)
Mistral Windsurfing AG
Original Assignee
Mistral Windsurfing AG
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.)
Filing date
Publication date
Application filed by Mistral Windsurfing AG filed Critical Mistral Windsurfing AG
Priority to AT82102201T priority Critical patent/ATE17922T1/de
Publication of EP0062190A1 publication Critical patent/EP0062190A1/fr
Application granted granted Critical
Publication of EP0062190B1 publication Critical patent/EP0062190B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B32/00—Water sports boards; Accessories therefor
    • B63B32/57—Boards characterised by the material, e.g. laminated materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B32/00—Water sports boards; Accessories therefor
    • B63B32/40—Twintip boards; Wakeboards; Surfboards; Windsurfing boards; Paddle boards, e.g. SUP boards; Accessories specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B32/00—Water sports boards; Accessories therefor
    • B63B32/50—Boards characterised by their constructional features

Definitions

  • the invention relates to a windsurf board with a board body made of plastic and plastic foam and with aggregates connected to the board body, such as a sword case, mast foot sleeve, foot straps, fins, etc.
  • Windsurfing boards of this type are generally known (DE-Z "Surf", 3/81, pp. 68-77).
  • Known windsurf boards basically consist of a foam core and an outer skin that completely encloses it.
  • the foam cores can be PU foams, polystyrene foams or other light plastic foams.
  • Known outer skin materials include polyethylene, glass fiber reinforced plastic, and epoxy laminates. Surfboards are also known which consist of foamed polyester half-shells.
  • the known windsurf boards have a number of disadvantages, which lie in particular in the high weights. Another disadvantage is that it is not possible, for example, to provide reinforcements in the form of frames, stringers or the like. Because of the relatively high weight of the foam used, efforts are also made to keep the outer skin as thin as possible in order to solve the weight problems mentioned. This again results in a comparatively high impact sensitivity of such boards.
  • a major disadvantage according to the prior art is also that the above-mentioned, sometimes considerable mechanical stress-absorbing units can hardly be safely connected to the known windsurfing boards, since - as can be seen from the described construction according to the prior art - only can be anchored to a comparatively weak foam core and, at best, two thin, mechanically stronger outer skin layers. In the case of industrially manufactured windsurf boards, the production is also burdened with high mold costs, so that correspondingly expensive new molds have to be created to change the board shape.
  • the invention has for its object to provide a windsurf board of the type specified and a suitable new manufacturing process for this, which permits the greatest possible mechanical stresses of the above-mentioned units with the lightest construction and, moreover, in the most cost-effective manner in industrial applications Series production enables simple modifications of the board body in terms of shape and mechanical strength.
  • the board body consists of an upper part and a lower part, the lower part being designed as a bottom element and the upper part as a buoyancy body, that the bottom element is essentially rigid and of one mechanically strong material is that the units are connected to the base element such that all mechanical forces are absorbed by the base element and that the buoyancy body consists of a flexible light plastic foam.
  • the advantage is thereby achieved that the risk of injury is considerably reduced when using a skin-friendly, flexible, light plastic for the upper part.
  • the flexibility of such a surfboard can be optimally determined over the length without difficulty and even changed by simply connecting additional stiffening elements to the bottom plate before the top part is connected to the bottom element.
  • the rigid, mechanically strong material which has a high specific weight compared to the plastic foam, is only used on the underside of the surfboard, a considerable weight saving is possible. It is expected that with a total volume of about 260 liters of such a windsurf board, weights between 12 and 14 kg can be achieved.
  • the base element has a raised central rib and that the aggregates are arranged in the region of the central rib.
  • the invention can thereby white be formed that the floor element is provided with stringers.
  • the bottom element in the area of the rear of the windsurf board has a section designed as a bridge-like component.
  • This embodiment offers the advantage that the main standing surface of a windsurfing board experiences additional stiffening, whereby in an advantageous further development this bridge-like component can be hollow, can contain an inflatable bladder or can be foamed with a particularly light foam. As a result, the advantage of further weight savings is achieved with the highest mechanical strength.
  • foot straps can then be attached in this area without difficulty, which, according to the invention, are then connected to the base element via the bridge-like component and not to the foam core as previously.
  • support ribs can also be provided in the cavity bridged by the bridge-like component.
  • the floor element can preferably be produced as a deep-drawn part made of ABS, as a molded part made of polyethylene foam sandwich material, of integral polyurethane foam, of SMC (sheet molding compound) or of wood or partly wood.
  • the material to be selected depends on the properties of flexibility and strength required for the end product.
  • the upper part preferably consists of a skin-friendly material, in particular plastic foam, such as, for example, polyethylene foam or other flexible foams.
  • plastic foam such as, for example, polyethylene foam or other flexible foams.
  • the upper part is designed to be removable and replaceable. This makes it easy to produce changes in the total volume, changes in shape, in particular the shape of the surface and standing area.
  • a floor unit with two different top parts could be offered as a trading unit, which can be used to produce an all-round board and a high-speed board.
  • the upper part covers the front part of the windsurf board, while the rear part of the windsurf board which essentially forms the base is formed by the bridge-like component.
  • the base element is designed as a flexible base plate and has coupling pieces for differently shaped stringers or longitudinal ribs.
  • a wide variety of board shapes can be produced using one and the same base plate, for example by connecting the base plate to a correspondingly shaped longitudinal rib in a tongue and groove connection.
  • Another object of the invention is a method for producing a windsurf board with a board body made of plastic and plastic foam and with aggregates connected to the board body, such as a sword case, mast foot attachments, foot straps, fins, etc., which is characterized in that a bottom element made of a mechanically strong Material is produced which contains all the attachments of the aggregates, such as mast foot, sword box, foot straps, fins, etc., and that the base element is then connected to an upper part which is made of a plastic foam and is designed as a buoyancy body.
  • a windsurf board according to the present invention consists of two main components, namely a bottom element 2 and an upper part 3.
  • the bottom element 2 is produced from a mechanically stable material by a suitable molding process.
  • suitable molding process are, for example, ABS, polyethylene foam sandwich, integral polyurethane foam, SMC (sheet molding compound) or wood or wood paired with one of the plastics mentioned.
  • the base element 2 made of the mechanically solid material contains all the aggregates or fastening points for aggregates that are usually present, such as are present in such windsurf boards, namely, for example, the mast bushings 4, the sword case 5, and fastenings 6 for foot straps.
  • the base element 2 can also contain additional stringers, both the central rib 7 and the stringers not necessarily having to be formed in one piece with the base element 2.
  • dovetail-shaped grooves or similar coupling pieces can be provided for this purpose in the base element 2, into which corresponding coupling sections of the stringer or the central rib 7 can be inserted.
  • the base element 2 in the area of the stern 8 has a bridge-like component 9, which is likewise either formed in one piece with the base element 2 or can be connected to it by means of corresponding coupling sections. Details of this bridge-like section 8 are referred to below.
  • the bottom element 2 In order to produce a hydrodynamically favorable shape, the bottom element 2 also has raised edges 11, 12 on the sides, which can have the edge-like sharp transitions to the bottom desired in many types of boards, or the front keels of the underwater ship of the windsurf board 1.
  • the upper part 3 illustrated by way of example in FIG. 1 preferably consists of an elastic skin-friendly material of low specific weight. Examples of such materials are polyethylene foam or other types of foam, rubber, neoprene or other flexible materials. On the other hand, the upper part 3 can also consist of an inflatable rubber or plastic bladder. The upper part 3 can either be foamed directly onto the base element 2 in the manufacture of the windsurfing board 1 or can be produced as a separate component and later connected to the finished base element 2. Possibilities of the connection between the upper part 3 and the base element 2 are explained in more detail below.
  • the upper part 3 at least as far as the units 4, 5, 6 are concerned, is not exposed to any mechanical stresses, and can therefore be chosen optimally in terms of skin friendliness and low weight.
  • the upper part 3 according to FIG. 1 is also provided with corresponding cutouts 13, 14, 15 which correspond to the units 4, 5, 6. Furthermore, the upper part 3 is of course adapted in shape to the corresponding surface of the base element 2 with which it is joined.
  • FIGS. 3 and 3 show a strong wind board of small volume, while the volume of the windsurf board 1 according to FIGS. 4 and 5 is considerably larger due to the corresponding design of the upper part 3.
  • FIG. 1 For further details, reference is made to the description of FIG. 1.
  • this connection can be a type of button connection, for example, in which coupling parts 16 fastened to the base element 2 at corresponding points can be connected to correspondingly shaped openings 17 in the upper part 3.
  • FIGS. 7 to 12 illustrate two further embodiments according to the invention, in which the upper part 3 only partially forms the deck surface 18 of the windsurf board 1. As in the other embodiments, all units 13 to 15 are also part of the bottom element 2, while the main volume of the windsurf board 1 is formed by the upper part 3.
  • the standing area behind the mast base sleeves 4 is formed by the bridge-like component 9, which, as a continuation of the central rib 7, also holds the sword case 5 or the foot straps 19 indicated in FIG.
  • the bridge-like component 9 can, as indicated in FIG. 7, be foamed with a light plastic foam 20.
  • an inflatable air envelope (not shown) can be introduced into the cavity between the floor 21 and the bridge-like component 9 of the floor element 2. Furthermore, it is also possible not to fill this space or, if necessary, to brace it with support ribs 22, as indicated in FIG. 11.
  • the desired longitudinal flexibility of the finished windsurfing board can also be optimized by attaching appropriate stiffening elements.
  • aluminum components or the like can also be installed without difficulty. Since all mechanical forces of the associated units are borne by the mechanically firm base group, the plastic foam forming the actual buoyant volume of the windsurfing board 1 can be selected without regard to its mechanical strength.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Toys (AREA)
  • Laminated Bodies (AREA)
  • Ladders (AREA)

Claims (11)

1. Planche à voile comportant un flotteur en matière plastique et en mousse de matière plastique et des accessoires (4, 5, 6) reliés au flotteur tels que des puits de dérive, des emplantures de pieds de mât, des cale-pieds, des ailerons, etc., caractérisée en ce que le flotteur est constitué par une partie supérieure (3) et une partie inférieure (2), la partie inférieure (2) formant un élément de fond (2) et la partie supérieure un corps rapporté (3), en ce que l'élément de fond (2) est essentiellement construit rigide et se compose d'une matière synthétique mécaniquement rigide, en ce que les accessoires (4, 5, 6) sont reliés à l'élément de fond (2) de telle sorte que l'ensemble des contraintes mécaniques sont supportées par l'élément de fond (2) et en ce que le corps rapporté (3) est constitué de mousse de matière plastique légère souple.
2. Planche à voile selon la revendication 1, caractérisée en ce que l'élément de fond comporte une nervure centrale (7) dirigée vers le haut et en ce que les accessoires (4, 5, 6) sont disposés dans la zone de la nervure centrale (7).
3. Planche à voile selon la revendication 1 ou 2, caractérisée en ce que l'élément de fond (2) comporte des raidisseurs.
4. Planche à voile selon l'une quelconque des revendications précédentes caractérisée en ce que l'élément de fond (2) comporte dans la zone de la poupe (8) du flotteur (1) une pièce (9) en forme de pont en section.
5. Planche à voile selon la revendication 4, caractérisée en ce que la pièce en forme de pont (9) est creuse et éventuellement pourvue d'une poche gonflable en matière plastique ou en caoutchouc ou est moussée.
6. Planche à voile selon la revendication 5, caractérisée en ce que dans la cavité définie par la pièce en forme de pont (9) sont disposées des nervures de support (22).
7. Planche à voile selon l'une quelconque des revendications 1 à 6, caractérisée en ce que l'élément de fond (2) est constitué dans l'un des matériaux suivants : ABS embouti (acrylonitrile- butadiène-styrène), un matériau en sandwich mousse-polyéthylène, une mousse polyuréthane à peau intégrée, une matière SMC (« sheet moulding compound •), du bois ou du bois allié à de la matière plastique.
8. Planche à voile selon l'une quelconque des revendications précédentes caractérisée en ce que la liaison entre la partie supérieure (3) et l'élément de fond (2) est constituée de telle sorte que la partie supérieure (3) est amovible et remplaçable.
9. Planche à voile selon la revendication 8, caractérisée en ce que la partie supérieure (3) recouvre la partie avant du flotteur (1) tandis que la partie arrière du flotteur (1) qui constitue essentiellement la surface d'appui est constituée par la partie en forme de pont (9).
10. Planche à voile selon l'une quelconque des revendications précédentes caractérisée en ce que l'élément de fond (2) est constitué par une plaque de fond flexible et en ce que sur la plaque de fond sont prévues des pièces de fixation pour relier la plaque de fond avec divers raidisseurs profilés ou nervures longitudinales (7).
11. Procédé de fabrication d'une planche à voile avec un flotteur en matière plastique et en mousse de matière plastique et avec des accessoires reliés au flotteur tels que des puits de dérives, des emplantures de pieds de mât, de cale-pieds, des ailerons, etc., selon l'une quelconque des revendications précédentes, caractérisé en ce que l'on fabrique un élément de fond en matière synthétique mécaniquement résistante, ledit élément de fond comportant les fixations correspondantes des accessoires tels que pieds de mât, puits de dérive, cale-pieds, ailerons, etc., et en ce que à cet élément de fond on assemble une partie supérieure formant un corps rapporté fabriqué dans une mousse de matière plastique.
EP82102201A 1981-03-26 1982-03-18 Planche de surf, notamment planche à voile et procédé pour sa fabrication Expired EP0062190B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82102201T ATE17922T1 (de) 1981-03-26 1982-03-18 Surfbrett, insbesondere windsurfbrett und verfahren zu dessen herstellung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3112015A DE3112015C2 (de) 1981-03-26 1981-03-26 Segelbrett
DE3112015 1981-03-26

Publications (2)

Publication Number Publication Date
EP0062190A1 EP0062190A1 (fr) 1982-10-13
EP0062190B1 true EP0062190B1 (fr) 1986-02-12

Family

ID=6128397

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82102201A Expired EP0062190B1 (fr) 1981-03-26 1982-03-18 Planche de surf, notamment planche à voile et procédé pour sa fabrication

Country Status (6)

Country Link
US (1) US4556003A (fr)
EP (1) EP0062190B1 (fr)
JP (1) JPS57170274A (fr)
AT (1) ATE17922T1 (fr)
CA (1) CA1216472A (fr)
DE (1) DE3112015C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3839805A1 (de) * 1988-11-25 1990-05-31 Gerhard Rambacher Surfbrett

Families Citing this family (18)

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Publication number Priority date Publication date Assignee Title
US5046443A (en) * 1986-09-08 1991-09-10 Shell Oil Company Steel-fiberglass float
US4719952A (en) * 1986-11-24 1988-01-19 Geronimo John D Surfboard horizontal control surface protection method and apparatus
US4739723A (en) * 1987-01-27 1988-04-26 Plucknett Duane D Body board protector
DE3726066A1 (de) * 1987-04-25 1988-11-10 Dirk Cremer Wellenreit- oder windsurfbrett
US4798549A (en) * 1987-06-08 1989-01-17 Hirsch Mark D Surfboard and method of making same
CH674826A5 (fr) * 1988-07-14 1990-07-31 Jean Bouldoires
JPH02204192A (ja) * 1989-01-31 1990-08-14 Yamaha Motor Co Ltd 双胴船
US5023042A (en) * 1989-06-29 1991-06-11 Gary Efferding Flexible mold for making seamless sailboards
BR9007635A (pt) * 1989-09-13 1992-07-07 Gary Keys Embarcacao de surfe
JPH04110696U (ja) * 1991-03-12 1992-09-25 株式会社新来島どつく 自走式サーフボード
US6623323B1 (en) * 2000-01-14 2003-09-23 Kirby J. Mead Flexible male female mold for custom surfboard production
FR2812269B1 (fr) * 2000-07-28 2002-12-13 Salomon Sa Sous-ensemble prevu pour realiser un flotteur de glisse sur eau
US6641446B1 (en) * 2000-11-16 2003-11-04 Ronald K. Bentley Rescue sled
FR2929235A1 (fr) * 2008-03-26 2009-10-02 Pierre Villecourt Engin nautique,destine a etre utilise par une personne en position debout
US8616142B2 (en) 2010-08-02 2013-12-31 Lifetime Products, Inc. Kayak
US8800468B2 (en) 2011-09-22 2014-08-12 Lifetime Products, Inc. Kayak
US9517814B2 (en) 2013-11-04 2016-12-13 Lifetime Products, Inc. Adjustable foot brace for watercraft
DE202014008662U1 (de) 2014-10-31 2016-09-16 Ernstfried Prade Aufblasbares Surfboards mit steifer Gleitfläche

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US3414917A (en) * 1967-02-20 1968-12-10 Edgar W. Harrington Boat trailer with retractable wheels
US3514798A (en) * 1968-02-01 1970-06-02 Robert Ellis Surf-board construction and method of making same
FR2336954A1 (fr) * 1975-12-30 1977-07-29 Labat Jacques Procede de fabrication d'une planche d'hydroplanage et produits ainsi obtenus
IT1084003B (it) * 1976-01-09 1985-05-25 Carn Patrick Perfezionamenti apportati a corpi flottanti,in particolare tavole a vela
DE2652129C2 (de) * 1976-11-16 1981-10-01 Kronwitter, geb. Staiber, Lotte, 8870 Günzburg Segelbrett
US4129911A (en) * 1977-02-22 1978-12-19 Mcdonald Michael D Soft deck surfboard
DE2742989A1 (de) * 1977-09-22 1979-04-05 Herbert Heuschkel Aufblasbarer schwimmkoerper fuer windsurfer
DE2850342C2 (de) * 1978-11-20 1982-12-02 Blech, Siegfried, 5960 Olpe Wellenreitbrett oder Segelbrett und Verfahren zu dessen Herstellung
DE2851195A1 (de) * 1978-11-27 1980-05-29 Peter Brockhaus Schwimmkoerper, insbesondere windsurfbrett und verfahren zu dessen herstellung
FR2449588A1 (fr) * 1979-02-23 1980-09-19 Aubry Jean Procede de fabrication d'une structure flottante et planche a voile obtenue par ce procede
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DE3003711C2 (de) * 1980-02-01 1983-12-08 Hannes 8100 Garmisch-Partenkirchen Marker Segelbrett
US4350113A (en) * 1980-07-31 1982-09-21 Roland Moreau Motorized floatboard

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3839805A1 (de) * 1988-11-25 1990-05-31 Gerhard Rambacher Surfbrett

Also Published As

Publication number Publication date
JPH0328356B2 (fr) 1991-04-18
EP0062190A1 (fr) 1982-10-13
ATE17922T1 (de) 1986-02-15
DE3112015A1 (de) 1982-10-21
JPS57170274A (en) 1982-10-20
DE3112015C2 (de) 1983-09-08
CA1216472A (fr) 1987-01-13
US4556003A (en) 1985-12-03

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