WO1999022987A1 - Dispositif de defense destine a eviter l'usure des coques de bateaux - Google Patents
Dispositif de defense destine a eviter l'usure des coques de bateaux Download PDFInfo
- Publication number
- WO1999022987A1 WO1999022987A1 PCT/FR1997/001951 FR9701951W WO9922987A1 WO 1999022987 A1 WO1999022987 A1 WO 1999022987A1 FR 9701951 W FR9701951 W FR 9701951W WO 9922987 A1 WO9922987 A1 WO 9922987A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- boat
- axis
- main protective
- support
- hull
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B59/00—Hull protection specially adapted for vessels; Cleaning devices specially adapted for vessels
- B63B59/02—Fenders integral with waterborne vessels or specially adapted therefor, e.g. fenders forming part of the hull or incorporated in the hull; Rubbing-strakes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
- E02B3/26—Fenders
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Definitions
- the present invention relates generally to devices intended to absorb the shocks of a moving object against a fixed object such as a boat anchored in a port, and relates in particular to a defense device intended to prevent wear of hulls of boats due to shocks and friction against the edges of quays.
- fenders which are elastomeric objects suspended by a rope along the hull of a boat and which are inserted between the boat and the edge of the quay when the boat docks, avoiding thus shocks and wear of the hull.
- the fender being suspended vertically, it provides very little protection against the roll which causes movement of the boat in the vertical direction.
- the fenders have the annoying disadvantage of jumping on the pontoon when a person jumps on the latter.
- the best system therefore consists of installing movable rollers around an axis fixed either on the boat or on the pontoon.
- a device of this kind described in US Patent 3,145,685 has an axis on which is mounted a plurality of rubber rollers intended to absorb impact energy when the boat is subjected to vertical movements.
- the movements of the boat due to the turbulence of the water are not only vertical, and the boat is almost always subjected to horizontal movements causing the boat to rotate in one direction or the other.
- the main object of the invention is to provide an improved defense device making it possible to absorb shocks and therefore to avoid the wear of a mobile object in contact with a fixed object whatever the movements. imposed on the moving object.
- the object of the invention is therefore a defense device intended to absorb shocks and thus prevent the wear of a first object in relative motion relative to a second object, in particular of a boat hull in contact with a pontoon, comprising a main protective element with axial symmetry and of circular section, in free rotation around a geometric axis fixed with respect to a support integral with one or the other of the objects, and having a hardness less than that of the first object, and two secondary protective elements in the shape of an ogive, with axial symmetry and of circular section, arranged at each end of the defense element and in free rotation around the same geometric axis.
- FIG. 1 represents a longitudinal section of a first embodiment of the device according to the invention mounted on its support
- 2 shows a longitudinal section of a second embodiment of the device according to the invention mounted on its support.
- the defense device illustrated in FIG. 1 comprises a main protective element 10 of cylindrical shape with circular section and two secondary protective elements 12 and 14 in the shape of a warhead.
- the protective elements 10, 12 and 14 are in free rotation around a geometric axis 16 fixed relative to a support comprising a support plate 18 and two branches 20 and 22 intended to support the defense device.
- the support plate 18 is fixed by screws 28 to a floating pontoon or to a docking platform 29.
- the two branches 20 and 22 of the support comprise two circular rolling bearings 24 and 26 in which there is a metal axis 30 with high mechanical resistance in free rotation around the geometric axis 16.
- the main protective element 10 is mounted on the metal axis 30 and may or may not be integral with the latter. If it must be integral with the metal axis 30, the element 10 can be mounted by overmolding and made integral with the metal axis 30 by means of the washers 32 and 34 fixed on the axis 30 or by any other method of fixing, in particular by gluing. But it is also possible to let the element 10 move freely around the axis 30. However, it will be necessary to provide transverse holding means to prevent translation of the element relative to the axis 30. These means holding could be clipping means placed in grooves of the axis 30.
- the two elements 12 and 14 have, like the main element 10, an axial symmetry about the geometric axis 16 and have a circular section. They have the shape of a warhead, that is to say that the longitudinal section illustrated in FIG. 1 is a curvilinear curve of general triangular shape, but could be any other curvilinear shape, and in particular a semicircle.
- the two elements 12 and 14 are supported by the metal axis 30 and can be made integral with the latter by washers 36 and 38 fixed on the axis and relative to which the elements are overmolded, or by any other fixing method, in particular by gluing. If it is desired that the 2 elements 12 and 14 are not integral with the axis 30 but simply rotate relative to the latter, it is necessary to provide means for holding the elements in position on the axis allowing their rotation free, such as means for clipping into grooves of one axis.
- the protective elements 10, 12 and 14 are made of an elastomeric material such as polyvinyl chloride (PVC), polyethylene, polyurethane or any other equivalent material.
- the element 10 and / or the elements 12 and 14 may be hollow and filled with air, water or partially filled with air and an aqueous solution.
- air filling it is possible to provide valves allowing air to be blown in and to maintain an adequate internal pressure.
- flexible bosses 40, 46 on the two elements 12 and 14 and 42, 44 at each end of the element 10 so as to reinforce the parts of the elements called to withstand strong compressions.
- the device according to the invention can have a variable length as required, a length between 20cm and 2m being preferable. It can be fixed on a fixed dock or on a floating pontoon. The fixing is carried out so that the metal axis is horizontal so that the hull of a docking boat can drive the rotating elements by the rolling movements due to the turbulence of the water, and therefore causing frictionless rolling and thus avoiding wear of the shell.
- this rotation is not entirely a rolling without friction due to the variation of the radius of rotation of the element 12, 14 along the axis, but it will avoid the wear of the hull of the boat which would not fail to occur if the defense device had only one main element and that the hull of the boat came to abut and rub against the metal axis.
- FIG. 2 A second embodiment particularly suited to the angular movements of the boat hull relative to the axis 30 is illustrated in FIG. 2.
- the main protective element 10 is no longer cylindrical but has a curvilinear longitudinal section whose profile is approximately in the extension of the profile of the longitudinal section of the elements 12 and 14.
- the main element 10 will be stressed at the same time as one of the elements 12 and 14 each time the boat performs a slight rotational movement.
- This arrangement therefore makes it possible, most of the time, to distribute the force over two of the three elements, namely the main element and one of the two secondary elements, rather than over a single element.
- the defense device according to the invention is mounted with its horizontal axis, it is possible to use it with the axis of rotation mounted vertically. This can be the case to ensure the protection of the hulls of boats navigating in river waters, and particularly when the boat is cramped between two quays in a channel or a lock.
- the two warp-shaped elements also find their use here to protect the hull of the boat subject to roll due to the turbulence of the water as it advances between the quays.
- the device according to the invention may comprise several main elements located inside the bearings, and in particular in the first embodiment where these elements are cylindrical.
Landscapes
- Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Vibration Dampers (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/FR1997/001951 WO1999022987A1 (fr) | 1997-10-31 | 1997-10-31 | Dispositif de defense destine a eviter l'usure des coques de bateaux |
EP97912290A EP1024999A1 (fr) | 1997-10-31 | 1997-10-31 | Dispositif de defense destine a eviter l'usure des coques de bateaux |
US09/530,360 US6196150B1 (en) | 1997-10-31 | 1997-10-31 | Fender for protecting boat hulls against wear |
AU49535/97A AU4953597A (en) | 1997-10-31 | 1997-10-31 | Fender for protecting boat hulls against wear |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/FR1997/001951 WO1999022987A1 (fr) | 1997-10-31 | 1997-10-31 | Dispositif de defense destine a eviter l'usure des coques de bateaux |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999022987A1 true WO1999022987A1 (fr) | 1999-05-14 |
Family
ID=9503910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1997/001951 WO1999022987A1 (fr) | 1997-10-31 | 1997-10-31 | Dispositif de defense destine a eviter l'usure des coques de bateaux |
Country Status (4)
Country | Link |
---|---|
US (1) | US6196150B1 (fr) |
EP (1) | EP1024999A1 (fr) |
AU (1) | AU4953597A (fr) |
WO (1) | WO1999022987A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMI20101094A1 (it) * | 2010-06-17 | 2011-12-18 | Tessilmare S R L | Parabordo modulare. |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6332421B1 (en) * | 2000-06-15 | 2001-12-25 | Larry Leonard | Boat fender system and method |
US6752098B2 (en) | 2001-03-12 | 2004-06-22 | The Skulnick Family Trust | Recessed line holder for a boat fender |
US6494157B1 (en) * | 2001-07-03 | 2002-12-17 | Arnold Anton Leemon | Flexible, buoyant, weather resistant polyethylene foam boat bumper/fender |
US7090206B2 (en) * | 2003-01-29 | 2006-08-15 | Wylie Chase | Bumper system |
ITVI20070132A1 (it) * | 2007-05-08 | 2008-11-09 | Giorgio Besenzoni | Organo meccanico per l'agevolazione del movimento di un mezzo di trasporto |
US8087371B1 (en) * | 2009-09-25 | 2012-01-03 | The United States Of America As Represented By The Secretary Of The Navy | Deployable and inflatable fendering apparatus and method |
KR101205345B1 (ko) | 2010-06-17 | 2012-11-28 | 삼성중공업 주식회사 | 펜더 장치 및 그 장치를 구비한 선박 |
NL2008800C2 (en) * | 2012-05-11 | 2013-11-12 | D B M Fabriek En Handelsonderneming B V | Fender, maritime structure, method for manufacturing. |
GB2513388B (en) * | 2013-04-25 | 2017-02-01 | A-Fax Ltd | Improved dock bumper and method of replacement |
EP3423347A1 (fr) * | 2016-03-03 | 2019-01-09 | Fender, LLC | Défense à fonctionnalité améliorée |
US11987947B2 (en) * | 2020-05-14 | 2024-05-21 | David Kane | Method and apparatus for a fender system |
US11926980B2 (en) | 2020-05-14 | 2024-03-12 | David Kane | Method and apparatus for a rotational fender system |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1119578A (fr) * | 1954-12-03 | 1956-06-21 | Défense pour navires | |
GB892541A (en) * | 1960-01-08 | 1962-03-28 | Firestone Burleigh Marine Pneu | Improved fender |
US3145685A (en) | 1963-10-01 | 1964-08-25 | Sr Edward L Kulick | Shock absorbing bumper for boats and docks |
US3402558A (en) * | 1967-07-05 | 1968-09-24 | Robert H. Hellinger | Boat bumper |
FR1547866A (fr) * | 1966-11-29 | 1968-11-29 | Défense d'accostage | |
GB2019527A (en) * | 1978-04-25 | 1979-10-31 | Vredestein Nv | Elastomeric fenders |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2952979A (en) * | 1954-12-03 | 1960-09-20 | Rolando Mario | Circular elastic movable fender having spring expansion |
US5016554A (en) * | 1990-03-29 | 1991-05-21 | Romar Technologies, Inc. | Line storage reel for boat fenders, respectively, boat fenders equipped with line storage reels |
-
1997
- 1997-10-31 EP EP97912290A patent/EP1024999A1/fr not_active Withdrawn
- 1997-10-31 US US09/530,360 patent/US6196150B1/en not_active Expired - Fee Related
- 1997-10-31 AU AU49535/97A patent/AU4953597A/en not_active Abandoned
- 1997-10-31 WO PCT/FR1997/001951 patent/WO1999022987A1/fr not_active Application Discontinuation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1119578A (fr) * | 1954-12-03 | 1956-06-21 | Défense pour navires | |
GB892541A (en) * | 1960-01-08 | 1962-03-28 | Firestone Burleigh Marine Pneu | Improved fender |
US3145685A (en) | 1963-10-01 | 1964-08-25 | Sr Edward L Kulick | Shock absorbing bumper for boats and docks |
FR1547866A (fr) * | 1966-11-29 | 1968-11-29 | Défense d'accostage | |
US3402558A (en) * | 1967-07-05 | 1968-09-24 | Robert H. Hellinger | Boat bumper |
GB2019527A (en) * | 1978-04-25 | 1979-10-31 | Vredestein Nv | Elastomeric fenders |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMI20101094A1 (it) * | 2010-06-17 | 2011-12-18 | Tessilmare S R L | Parabordo modulare. |
Also Published As
Publication number | Publication date |
---|---|
AU4953597A (en) | 1999-05-24 |
EP1024999A1 (fr) | 2000-08-09 |
US6196150B1 (en) | 2001-03-06 |
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