EP0476436A1 - Watertight synthetic gland for the lower seal of the gap between keel box and keel, especially for surfboards - Google Patents

Watertight synthetic gland for the lower seal of the gap between keel box and keel, especially for surfboards Download PDF

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Publication number
EP0476436A1
EP0476436A1 EP91114966A EP91114966A EP0476436A1 EP 0476436 A1 EP0476436 A1 EP 0476436A1 EP 91114966 A EP91114966 A EP 91114966A EP 91114966 A EP91114966 A EP 91114966A EP 0476436 A1 EP0476436 A1 EP 0476436A1
Authority
EP
European Patent Office
Prior art keywords
leg
profile
fastening strip
sealing lip
lip
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.)
Granted
Application number
EP91114966A
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German (de)
French (fr)
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EP0476436B1 (en
Inventor
Marc Dipl.-Ing. Namur
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.)
Schuetz-Werke & Co Kg GmbH
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Schuetz-Werke & Co Kg 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.)
Filing date
Publication date
Priority claimed from DE9012804U external-priority patent/DE9012804U1/en
Application filed by Schuetz-Werke & Co Kg GmbH filed Critical Schuetz-Werke & Co Kg GmbH
Publication of EP0476436A1 publication Critical patent/EP0476436A1/en
Application granted granted Critical
Publication of EP0476436B1 publication Critical patent/EP0476436B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B63B32/60—Board appendages, e.g. fins, hydrofoils or centre boards
    • B63B32/64—Adjustable, e.g. by adding sections, by removing sections or by changing orientation or profile
    • 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
    • B63B32/60—Board appendages, e.g. fins, hydrofoils or centre boards
    • B63B32/62—Board appendages, e.g. fins, hydrofoils or centre boards characterised by the material, e.g. laminated materials; characterised by their manufacturing process

Definitions

  • the invention relates to a lip seal made of plastic for the lower end of the receiving opening for sword box and sword, in particular for surfboards, with one attached to each side of the receiving opening in the board body, flush with the profile of the underwater ship fastening strip made of hard plastic and together with this as Extruded profile made sealing lip made of elastic plastic, the sealing lips forming an elastic closure of the receiving opening for the sword case and sword.
  • the invention has for its object to develop a simplified compared to the generic lip seal lip seal with an improved sealing effect for the lower end of the receiving opening for sword box and sword on surfboards.
  • the lip seal which is designed as an elastic hollow profile strip, is completely sealed due to its optimal rigidity against water pressure when the sword is swung in and out.
  • the fastening strip with the sealing lip has a streamlined surface.
  • the sealing lip for the attachment of which to the underwater ship only a bar which is formed in one piece with the lip and is to be pressed or glued into the board body is required, represents a simple part which can be produced very inexpensively, since the fastening bar is made of hard plastic, e.g. Polyvinyl chloride, and the sealing lip made of soft plastic, e.g. Polyurethane, with an appropriate design of the extrusion die of an extruder, can be extruded from these relatively inexpensive materials at the same time and the two different plastics firmly bond to one another during curing.
  • the lip seal for the lower end of the receiving opening 2 in the board body 1 for the sword case 3 inserted from above and the sword 4 has two mounting strips 6 with an elastic sealing lip 7 which are inserted on both sides of the receiving opening 2 into the board body 1 and which terminate with the profile 5 of the underwater ship .
  • the fastening strip 6 is designed as a U-profile with an inner 8 and an outer, short leg 9, which are connected to one another by a web 10 which runs obliquely in accordance with the profile 5 of the underwater ship.
  • the on the side of the outer leg 9 to the connecting web 10 of the mounting bar 6 sealing lip 7 is formed on the longitudinal side facing away from the mounting bar 6 to a rounded sealing edge 11 which merges into an obliquely upward, elastic support leg 12 which is connected to the free End edge of the outer leg 9 of the mounting bar 6 is attached.
  • the support leg 12, which is stiffer than the sealing lip 7, has a greater thickness 13 than the sealing lip 7.
  • the mounting strips 6 are pressed or glued with the inner leg 8 into corresponding grooves 14 in the board body 1 on both sides of the receiving opening 2 and lie with the inner surface 15 of the connecting web 10 completely or partially on the edges 16, 17 of the receiving opening 2.
  • One fastening strip 6 each made of hard plastic, e.g. Polyvinyl chloride, and a sealing lip 7 and a support leg 12 made of an elastic plastic such as polyurethane are produced together as an extruded profile.
  • hard plastic e.g. Polyvinyl chloride
  • sealing lip 7 and a support leg 12 made of an elastic plastic such as polyurethane
  • the sealing lip 7 forms, together with the support leg 12 and the outer, short leg 9 of the fastening strip 6, an elastic hollow profile strip 18, the rigidity of which is less in the direction of extension a of the sword 4 than in the direction of extension b of the sword.
  • This mode of operation of the sealing lip 7 integrated into the hollow profile strip 18 ensures that the two sealing lips 7 of the lip seal form an elastic, tight closure of the opening for receiving the sword case 3 and the sword 4 in the folded 4 'and the unfolded position 4 "of the sword 4 ,
  • the sealing effect of the lip seal is ensured even with high water pressure, which is heavy on a strong swell on the underwater ship, by the stiffening of the sealing lips 7 with the aid of the support legs 12.
  • the reduced stiffness of the sealing lip 7 in the unfolding direction a of the sword 4 guarantees a medium smoothness of the Sword 4, so that the hand force required for unfolding the sword can be mastered by any surfer, and the actuating force that increases when the sword is folded in due to the greater rigidity of the sealing lips 7 in the folding direction b can be due to the Possibility of handling the sword with the foot can be easily applied by any surfer.
  • the fastening strip 6 with the inner leg 8 can be detached from the groove 14 in the board 1 and replaced.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Toys (AREA)
  • Gasket Seals (AREA)
  • Sealing Devices (AREA)
  • Closing Of Containers (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)

Abstract

The lip-type seal for the bottom closure of the inlet opening (2) for dagger board housing (3) and dagger board (4), intended for sailboards, exhibits two mounting strips (6) of a hard plastic with a sealing lip (7) of an elastic plastic, countersunk on both sides of the inlet opening into the board hull (1) and terminating with the profile (5) of the underwater hull. The mounting strip (6) is fashioned as a U-profile with an inner (8) and an outer, short leg (9), these legs being joined by a web (10) extending obliquely in correspondence with the profile (5) of the underwater hull. The sealing lip (7) adjoining the mounting web (10) of the mounting strip (6) has a rounded sealing edge (11) passing over into an elastic supporting leg (12) oriented obliquely upwardly, the supporting leg being attached to the outer leg (9) of the mounting strip (6). The mounting strip (6) is pressed or glued, with the inner leg (8), into a corresponding groove (14) in the board hull (1). The sealing lip (7) forms, together with the supporting leg (12) and the outer leg (9) of the mounting strip (6), an elastic hollow-profile strip (18).

Description

Die Erfindung betrifft eine Lippenabdichtung aus Kunststoff für den unteren Abschluß der Aufnahmeöffnung für Schwertkasten und Schwert, insbesondere bei Surfbrettern, mit je einer auf jeder Seite der Aufnahmeöffnung im Brettkörper befestigten, mit dem Profil des Unterwasserschiffs bündigen Befestigungsleiste aus hartem Kunststoff und einer zusammen mit dieser als Strangpreßprofil hergestellten Dichtlippe aus elastischem Kunststoff, wobei die Dichtlippen einen elastischen Verschluß der Aufnahmeöffnung für Schwertkasten und Schwert bilden.The invention relates to a lip seal made of plastic for the lower end of the receiving opening for sword box and sword, in particular for surfboards, with one attached to each side of the receiving opening in the board body, flush with the profile of the underwater ship fastening strip made of hard plastic and together with this as Extruded profile made sealing lip made of elastic plastic, the sealing lips forming an elastic closure of the receiving opening for the sword case and sword.

Die Praxis hat gezeigt, daß die Dichtwirkung einer derartigen, aus der DE 36 29 777 C2 bekannten Lippenabdichtung nicht optimal ist. Ferner benötigt die bekannte Lippenabdichtung eine gesonderte, in den Brettkörper eingelassene Trägerleiste, an der die Befestigungsleiste mit der Dichtlippe angeklemmt wird, so daß diese Lippenabdichtung für in großen Serien hergestellte Surfbretter von der Konstruktion her verhältnismäßig aufwendig ist.Practice has shown that the sealing effect of such a lip seal known from DE 36 29 777 C2 is not optimal. Furthermore, the known lip seal requires a separate, embedded in the board body support bar, to which the fastening strip is clamped with the sealing lip, so that this lip seal is relatively complex in construction for surfboards manufactured in large series.

Der Erfindung liegt die Aufgabe zugrunde, eine gegenüber der gattungsgemäßen Lippenabdichtung vereinfachte Lippenabdichtung mit einer verbesserten Dichtwirkung für den unteren Abschluß der Aufnahmeöffnung für Schwertkasten und Schwert bei Surfbrettern zu entwickeln.The invention has for its object to develop a simplified compared to the generic lip seal lip seal with an improved sealing effect for the lower end of the receiving opening for sword box and sword on surfboards.

Diese Aufgabe ist erfindungsgemäß gelöst durch eine Lippenabdichtung mit den Merkmalen des Patentanspruchs 1.This object is achieved according to the invention by a lip seal with the features of patent claim 1.

Die Unteransprüche beinhalten zweckmäßige Ausgestaltungen der Erfindung.The dependent claims contain expedient refinements of the invention.

Die als elastische Hohlprofilleiste ausgebildete Lippenabdichtung ist aufgrund ihrer optimalen Steifigkeit gegen Wasserdruck bei ein- und ausgeschwenkter Stellung des Schwertes völlig dicht. Die Befestigungsleiste mit der Dichtlippe besitzt eine strömungsgünstige Oberfläche. Die Dichtlippe, zu deren Befestigung am Unterwasserschiff lediglich eine einteilig mit der Lippe ausgebildete, in den Brettkörper einzupressende oder einzuklebende Leiste erforderlich ist, stellt ein einfaches Teil dar, das sehr kostengünstig herzustellen ist, da die Befestigungsleiste aus hartem Kunststoff, z.B. Polyvinylchlorid, und die Dichtlippe aus weichem Kunststoff, z.B. Polyurethan, bei entsprechender Gestaltung des Strangpreßmundstücks eines Extruders aus diesen relativ preisgünstigen Materialien gleichzeitig stranggepreßt werden können und sich die beiden unterschiedlichen Kunststoffe beim Aushärten fest miteinander verbinden.The lip seal, which is designed as an elastic hollow profile strip, is completely sealed due to its optimal rigidity against water pressure when the sword is swung in and out. The fastening strip with the sealing lip has a streamlined surface. The sealing lip, for the attachment of which to the underwater ship only a bar which is formed in one piece with the lip and is to be pressed or glued into the board body is required, represents a simple part which can be produced very inexpensively, since the fastening bar is made of hard plastic, e.g. Polyvinyl chloride, and the sealing lip made of soft plastic, e.g. Polyurethane, with an appropriate design of the extrusion die of an extruder, can be extruded from these relatively inexpensive materials at the same time and the two different plastics firmly bond to one another during curing.

Die Erfindung ist nachstehend anhand einer ausschnittweisen Querschnittsdarstellung eines Surfbretts im Bereich des Schwertkastens näher erläutert.The invention is explained in more detail below with the aid of a partial cross-sectional representation of a surfboard in the area of the sword case.

Die Lippenabdichtung für den unteren Abschluß der Aufnahmeöffnung 2 im Brettkörper 1 für den von oben eingesetzten Schwertkasten 3 und das Schwert 4 weist zwei beidseitig der Aufnahmeöffnung 2 in den Brettkörper 1 eingelassene, mit dem Profil 5 des Unterwasserschiffes abschließende Befestigungsleisten 6 mit einer elastischen Dichtlippe 7 auf.The lip seal for the lower end of the receiving opening 2 in the board body 1 for the sword case 3 inserted from above and the sword 4 has two mounting strips 6 with an elastic sealing lip 7 which are inserted on both sides of the receiving opening 2 into the board body 1 and which terminate with the profile 5 of the underwater ship .

Die Befestigungsleiste 6 ist als U-Profil ausgebildet mit einem inneren 8 und einem äußeren, kurzen Schenkel 9, die durch einen entsprechend dem Profil 5 des Unterwasserschiffes schräg verlaufenden Steg 10 miteinander verbunden sind. Die auf der Seite des äußeren Schenkels 9 an den Verbindungssteg 10 der Befestigungsleiste 6 anschließende Dichtlippe 7 ist an der der Befestigungsleiste 6 abgewandten Längsseite zu einer abgerundeten Dichtkante 11 geformt, die in einen schräg nach oben gerichteten, elastischen Stützschenkel 12 übergeht, der an die freie Endkante des äußeren Schenkels 9 der Befestigungsleiste 6 angesetzt ist. Der gegenüber der Dichtlippe 7 steifere Stützschenkel 12 weist eine größere Stärke 13 als die Dichtlippe 7 auf.The fastening strip 6 is designed as a U-profile with an inner 8 and an outer, short leg 9, which are connected to one another by a web 10 which runs obliquely in accordance with the profile 5 of the underwater ship. The on the side of the outer leg 9 to the connecting web 10 of the mounting bar 6 sealing lip 7 is formed on the longitudinal side facing away from the mounting bar 6 to a rounded sealing edge 11 which merges into an obliquely upward, elastic support leg 12 which is connected to the free End edge of the outer leg 9 of the mounting bar 6 is attached. The support leg 12, which is stiffer than the sealing lip 7, has a greater thickness 13 than the sealing lip 7.

Die Befestigungsleisten 6 sind mit dem inneren Schenkel 8 in entsprechende Nuten 14 im Brettkörper 1 auf beiden Seiten der Aufnahmeöffnung 2 eingepreßt oder eingeklebt und liegen mit der Innenfläche 15 des Verbindungssteges 10 ganz bzw. teilweise an den Rändern 16, 17 der Aufnahmeöffnung 2 an.The mounting strips 6 are pressed or glued with the inner leg 8 into corresponding grooves 14 in the board body 1 on both sides of the receiving opening 2 and lie with the inner surface 15 of the connecting web 10 completely or partially on the edges 16, 17 of the receiving opening 2.

Jeweils eine Befestigungsleiste 6 aus hartem Kunststoff, z.B. Polyvinylchlorid, und eine Dichtlippe 7 sowie ein Stützschenkel 12 aus einem elastischen Kunststoff wie Polyurethan sind zusammen als Strangpreßprofil hergestellt.One fastening strip 6 each made of hard plastic, e.g. Polyvinyl chloride, and a sealing lip 7 and a support leg 12 made of an elastic plastic such as polyurethane are produced together as an extruded profile.

Die Dichtlippe 7 bildet zusammen mit dem Stützschenkel 12 und dem äußeren, kurzen Schenkel 9 der Befestigungsleiste 6 eine elastische Hohlprofilleiste 18, deren Steifigkeit in Ausklapprichtung a des Schwertes 4 geringer ist als in Einklapprichtung b des Schwertes. Diese Wirkungsweise der in die Hohlprofilleiste 18 integrierten Dichtlippe 7 gewährleistet, daß die beiden Dichtlippen 7 der Lippenabdichtung einen elastischen, dichten Verschluß der Öffnung zur Aufnahme des Schwertkastens 3 und des Schwertes 4 in der eingeklappten 4' und der ausgeklappten Stellung 4" des Schwertes 4 bilden, wobei die Dichtwirkung der Lippenabdichtung auch bei hohem, bei einem starken Wellengang auf dem Unterwasserschiff lastenden Wasserdruck durch die Versteifung der Dichtlippen 7 mit Hilfe der Stützschenkel 12 gewährleistet ist. Die in Ausklapprichtung a des Schwertes 4 verminderte Steifigkeit der Dichtlippe 7 garantiert eine mittlere Leichtgängigkeit des Schwertes 4, so daß die für das Ausklappen des Schwertes erforderliche Handkraft von jedem Surfer beherrschbar ist, und die beim Einklappen des Schwertes durch die größere Steifigkeit der Dichtlippen 7 in Einklapprichtung b ansteigende Betätigungskraft kann aufgrund der Handhabungsmöglichkeit des Schwertes mit dem Fuß ohne weiteres von jedem Surfer aufgebracht werden.The sealing lip 7 forms, together with the support leg 12 and the outer, short leg 9 of the fastening strip 6, an elastic hollow profile strip 18, the rigidity of which is less in the direction of extension a of the sword 4 than in the direction of extension b of the sword. This mode of operation of the sealing lip 7 integrated into the hollow profile strip 18 ensures that the two sealing lips 7 of the lip seal form an elastic, tight closure of the opening for receiving the sword case 3 and the sword 4 in the folded 4 'and the unfolded position 4 "of the sword 4 , The sealing effect of the lip seal is ensured even with high water pressure, which is heavy on a strong swell on the underwater ship, by the stiffening of the sealing lips 7 with the aid of the support legs 12. The reduced stiffness of the sealing lip 7 in the unfolding direction a of the sword 4 guarantees a medium smoothness of the Sword 4, so that the hand force required for unfolding the sword can be mastered by any surfer, and the actuating force that increases when the sword is folded in due to the greater rigidity of the sealing lips 7 in the folding direction b can be due to the Possibility of handling the sword with the foot can be easily applied by any surfer.

Bei einer Beschädigung einer Dichtlippe 7 kann die Befestigungsleiste 6 mit dem inneren Schenkel 8 aus der Nut 14 im Brett 1 gelöst und ausgetauscht werden.If a sealing lip 7 is damaged, the fastening strip 6 with the inner leg 8 can be detached from the groove 14 in the board 1 and replaced.

Claims (4)

1. Lippenabdichtung aus Kunststoff für den unteren Abschluß der Aufnahmeöffnung für Schwertkasten und Schwert, insbesondere bei Surfbrettern, mit je einer auf jeder Seite der Aufnahmeöffnung im Brettkörper befestigten, mit dem Profil des Unterwasserschiffs bündigen Befestigungsleiste aus hartem Kunststoff und einer zusammen mit dieser als Strangpreßprofil hergestellten Dichtlippe aus elastischem Kunststoff, wobei die Dichtlippen einen elastischen Verschluß der Aufnahmeöffnung für Schwertkasten und Schwert bilden, dadurch gekennzeichnet, daß die Befestigungsleiste (6) ein U-Profil aufweist mit einem inneren (8) und einem äußeren, kurzen Schenkel (9), die durch einen entsprechend dem Profil (5) des Unterwasserschiffes schräg verlaufenden Steg (10) miteinander verbunden sind, die auf der Seite des äußeren Schenkels (9) an den Verbindungssteg (10) der Befestigungsleiste (6) anschließende Dichtlippe (7) an der der Befestigungsleiste (6) abgewandten Längsseite zu einer abgerundeten Dichtkante (11) geformt ist, die in einen schräg nach oben gerichteten, elastischen Stützschenkel (12) übergeht, der an die freie Endkante des äußeren Schenkels (9) der Befestigungsleiste (6) angesetzt ist und mit diesem und der Dichtlippe (7) eine elastische Hohlprofilleiste (18) bildet, und daß die Befestigungsleiste (6) mit dem inneren Schenkel (8) in einer entsprechenden Nut (14) im Brettkörper (1) befestigt ist und mit der Innenfläche (15) des Verbindungssteges (10) ganz oder teilweise am Rand (16, 17) der Aufnahmeöffnung (2) anliegt.1.Lip seal made of plastic for the lower end of the receiving opening for the sword case and sword, in particular for surfboards, with a fastening strip made of hard plastic and fastened on each side of the receiving opening in the board body, flush with the profile of the underwater ship, and one made together with this as an extruded profile Sealing lip made of elastic plastic, the sealing lips forming an elastic closure of the receiving opening for the sword case and sword, characterized in that the fastening strip (6) has a U-profile with an inner (8) and an outer, short leg (9), the are connected to one another by a web (10) which runs obliquely according to the profile (5) of the underwater ship, the sealing lip (7) on the side of the outer leg (9) adjoining the connecting web (10) of the fastening strip (6) on the fastening strip (6) facing away from a long side rounded sealing edge (11) is formed, which merges into an obliquely upward, elastic support leg (12) which is attached to the free end edge of the outer leg (9) of the fastening strip (6) and with this and the sealing lip (7) forms an elastic hollow profile strip (18), and that the fastening strip (6) with the inner leg (8) is fastened in a corresponding groove (14) in the board body (1) and with the inner surface (15) of the connecting web (10) entirely or partially abuts the edge (16, 17) of the receiving opening (2). 2. Lippenabdichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Befestigungsleiste (6) mit dem inneren Schenkel (8) in die Nut (14) im Brettkörper (1) eingepreßt ist.2. Lip seal according to claim 1, characterized in that the fastening strip (6) with the inner leg (8) in the groove (14) in the board body (1) is pressed. 3. Lippenabdichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Befestigungsleiste (6) mit dem inneren Schenkel (8) in die Nut (14) im Brettkörper (1) eingeklebt ist.3. lip seal according to claim 1, characterized in that the fastening strip (6) with the inner leg (8) in the groove (14) in the board body (1) is glued. 4. Lippenabdichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der gegenüber der Dichtlippe (7) steifere Stützschenkel (12) eine größere Stärke (13) aufweist als die Dichtlippe (7).4. lip seal according to one of claims 1 to 3, characterized in that the stiff compared to the sealing lip (7) support leg (12) has a greater thickness (13) than the sealing lip (7).
EP91114966A 1990-09-08 1991-09-05 Watertight synthetic gland for the lower seal of the gap between keel box and keel, especially for surfboards Expired - Lifetime EP0476436B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE9012804U DE9012804U1 (en) 1990-09-08 1990-09-08 Plastic lip seal for the receiving opening for the daggerboard box and the daggerboard, especially for surfboards
DE9012804U 1990-09-08
DE4029937 1990-09-21
DE4029937A DE4029937C1 (en) 1990-09-08 1990-09-21

Publications (2)

Publication Number Publication Date
EP0476436A1 true EP0476436A1 (en) 1992-03-25
EP0476436B1 EP0476436B1 (en) 1994-08-03

Family

ID=25897067

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91114966A Expired - Lifetime EP0476436B1 (en) 1990-09-08 1991-09-05 Watertight synthetic gland for the lower seal of the gap between keel box and keel, especially for surfboards

Country Status (7)

Country Link
US (1) US5195915A (en)
EP (1) EP0476436B1 (en)
JP (1) JP2524268B2 (en)
AT (1) ATE109415T1 (en)
DE (1) DE4029937C1 (en)
DK (1) DK0476436T3 (en)
ES (1) ES2057688T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6743355B2 (en) * 2002-09-11 2004-06-01 Delphi Technologies, Inc. Heated fuel strainer assembly
US9914519B2 (en) 2016-06-30 2018-03-13 Confluence Outdoor, Llc Propulsion system for a watercraft

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3219010A1 (en) * 1982-05-19 1983-11-24 Hannes 8100 Garmisch-Partenkirchen Marker Lip seal for sealing against board-shaped parts, preferably centre boards in the centre board wells of sailboards
DE3440553A1 (en) * 1984-11-07 1985-03-28 Wolf-Dietrich 2300 Altenholz Zander Variable keel-fin system for a surfboard
DE3621933A1 (en) * 1986-06-30 1988-01-07 Mistral Windsurfing Ag Lip arrangement for a sailboard

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3871322A (en) * 1973-07-05 1975-03-18 Marlow W Dodge Snubber for the dagger board of a sailboat
JPS55161926U (en) * 1979-05-09 1980-11-20
JPS5614254U (en) * 1979-07-13 1981-02-06
JPS5782254U (en) * 1980-11-07 1982-05-21
DE8413686U1 (en) * 1984-05-05 1984-12-06 Flemming, Jörg, 3050 Wunstorf SWORD BOX SEALING LIP
AU6022986A (en) * 1985-07-17 1987-01-22 F 2 International G.m.b.H. Seal for surfboard fin
DE3629777A1 (en) * 1986-09-02 1988-03-03 Schuetz Werke Gmbh Co Kg Lip seal of plastic, especially for the centreboard trunk of a windsurfing sailboard
US4759552A (en) * 1987-10-09 1988-07-26 Schuetz Udo Lip gasket of a synthetic resin, especially for the daggerboard well of a sailboard

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3219010A1 (en) * 1982-05-19 1983-11-24 Hannes 8100 Garmisch-Partenkirchen Marker Lip seal for sealing against board-shaped parts, preferably centre boards in the centre board wells of sailboards
DE3440553A1 (en) * 1984-11-07 1985-03-28 Wolf-Dietrich 2300 Altenholz Zander Variable keel-fin system for a surfboard
DE3621933A1 (en) * 1986-06-30 1988-01-07 Mistral Windsurfing Ag Lip arrangement for a sailboard

Also Published As

Publication number Publication date
JPH04244497A (en) 1992-09-01
DE4029937C1 (en) 1992-01-09
ES2057688T3 (en) 1994-10-16
EP0476436B1 (en) 1994-08-03
JP2524268B2 (en) 1996-08-14
DK0476436T3 (en) 1994-12-27
ATE109415T1 (en) 1994-08-15
US5195915A (en) 1993-03-23

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