US3418815A - Dock fender - Google Patents

Dock fender Download PDF

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Publication number
US3418815A
US3418815A US640868A US64086867A US3418815A US 3418815 A US3418815 A US 3418815A US 640868 A US640868 A US 640868A US 64086867 A US64086867 A US 64086867A US 3418815 A US3418815 A US 3418815A
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US
United States
Prior art keywords
ship
dock
plate
fender
length
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 - Lifetime
Application number
US640868A
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English (en)
Inventor
Kumazawa Michio
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.)
SEIBU GOMU KAGUKU KK
Original Assignee
SEIBU GOMU KAGUKU KK
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 SEIBU GOMU KAGUKU KK filed Critical SEIBU GOMU KAGUKU KK
Application granted granted Critical
Publication of US3418815A publication Critical patent/US3418815A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • 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

  • ABSTRACT OF THE DISCLOSURE A device for resiliently cushioning the engagement between a ship and a dock or similar uses where a hollow body of resilient material has a flat steel plate embedded therein near the ship-engaging surface and generally parallel to the side of the ship for distributing the applied forces.
  • This invention relates to a dock fender device adapted to be mounted on a dock, pier, wharf or the like for engagement by the side of the ship to cushion and distribute the forces therebetween and, in particular, is directed to such a device for use in connection with large ships. More specifically the device is of the type comprised of a resilient material but which includes means for distributing the applied forces more uniformly over a larger area of ship plating to reduce the possibility of damage to either the ship or the device.
  • a variety of devices have long been used to cushion the contact between a ship and the dock for protecting both the side of the ship and the dock itself. Part of the problem is to efficiently absorb the energy represented by the ship moving toward the dock without producing an undesirable repulsing action and the magnitude of energy involved increases with the size of the ship. Another factor is that the force imposed on and contact with the side of the ship must be such as to avoid damaging the ships plating which of course is supported on a skeletal framework and extremely vulnerable between support members. Again the problem is increased with the size of the ship.
  • a dock fender or the like which is comprised of a resilient material with a rigid plate embedded therein for optimum load-distribution both on the side of the ship and throughout the resilient material producing improved energy-absorbing characteristics.
  • An object of this invention is to provide a novel form of dock fender comprised of resilient material which absorbs any localized shock or force over its entire body.
  • Another object of this invention is to provide a novel form of hollow, resilient dock fender having a force distributing plate embedded therein adjacent the ship contacting surface for evenly distributing the forces between the ship and the device.
  • a further object is to provide such a device which is elongated and has such plate running its full length.
  • FIGURE 1 is an elevation view of the preferred embodiment of this invention with the drawing broken in two places to indicate the variable lengths the device may assume.
  • FIGURE 2 is a sectional elevation of the preferred embodiment of the device taken substantially on the line 22 in FIGURE 1.
  • FIGURE 3 is a sectional elevation similar to FIGURE 2 illustrating a modified form of the device of this invention.
  • the dock fender device of this invention includes an integrally formed body 1 of any suitable elastic material such as natural rubber, synthetic rubber or synthetic resins. Normally the device is elongated as shown and extends horizontally when mounted for use but obviously the device may take other forms and orientations without departing from this invention.
  • the elastic body 1 is hollow at 2 throughout its length as is relatively conventional with dock fenders of this general type.
  • the body 1 is generally trapezoidal in shape and the hollow 2 is a related shape (triangular) whereby the body may be considered to be comprised of a pair of inclined side walls integrally supporting the front wall from the base portion.
  • the base portion of the device includes a base plate 5 of any convenient material such as steel for mounting the device on the vertical wall of the dock, pier, wharf, etc.
  • One or more projections 3 may be provided along the sides of the device for mounting purposes with the number thereof depending generally on the length of the device.
  • the plate 5 is embedded in or otherwise secured to the body 1 and has portions extending into the mounting projections 3. Holes are provided in the projections 3 for receiving the mounting bolts 6 used to secure the device to the dock.
  • the dock fender is relatively conventional and has been relatively successful commercially.
  • the front or contacting wall of the body 1 which has a relatively fiat surface for engaging the ship has a substantially rigid plate 4 embedded therein closely spaced from and parallel to such contacting surface.
  • the plate 4 may be of any convenient material, such as steel, of sufiicient strength and rigidly to transmit any localized force applied at one portion along the entire length of the device and yet resiliently flexed to a limited degree.
  • Plural ribs 7 may be provided on the plate 4 for reinforcing as well as insuring a permanent bond with the material of body 1.
  • FIGURE 3 diifers from the device of FIGURES 1 and 2 only in crosssectional shape.
  • the body 1a is rectangular in cross section with parallel side walls and has a rectangular hollow portion 2a.
  • the base plate 5 and projections 3 remain the same but the force distributing plate 4a is wider due to the increased width of the front contact wall and surface. Again reinforcing ribs 7a may be provided. Normally the device will be elongated as with the device of FIGURE 1.
  • the embedded front plate 4, 4a is virtually coextensive with the contact surface of the device and overlies the supporting side Walls.
  • the imposed loads are transmitted to the side Walls and along the length of the device.
  • the flat contacting surface is maintained in that condition by the plate 4, 4a thereby preventing localized excessive forces to be imposed on small, vulnerable portions of the ships plating which often occurs with the all-rubber type dock fenders.
  • an improved energy absorption is obtained due to the more uniform force distribution along the length and within the resilient material itself.
  • the desirable tubular shape is prevented from buckling and collapsing by the lateral reinforcement provided by the plate 4, 4a.
  • a dock fender for resiliently engaging the side of a ship comprising a body of elastic material having a substantial length and relatively narrow width, said body having a relatively flat outer surface for generally surface contact with the side of the ship and said body being hollow along its length for resilient collapsing upon being contacted by a ship, and a flat plate of rigid material embedded in said body parallel to and closely spaced from said flat outer surface, said plate being positioned between said flat outer surface and the hollow portion of said body and extending substantially the entire length of said body for distributing the forces imposed by the ship throughout the length of the body and preventing localized collapsing of any portion of said body.
  • a second rigid plate is embedded in the body on the opposite side of said hollow portion from and substantially parallel to the first-mentioned rigid plate, said second rigid plate having means adapted for mounting the body to the dock, and said body having two wall portions extending between said two plates for the length of the body and forming the hollow therebetween, said wall portions being resiliently compressible and bendable for accommodating said resilient collapsing when the body is contacted by a ship.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Body Structure For Vehicles (AREA)
US640868A 1966-05-26 1967-05-24 Dock fender Expired - Lifetime US3418815A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3322466 1966-05-26

Publications (1)

Publication Number Publication Date
US3418815A true US3418815A (en) 1968-12-31

Family

ID=12380463

Family Applications (1)

Application Number Title Priority Date Filing Date
US640868A Expired - Lifetime US3418815A (en) 1966-05-26 1967-05-24 Dock fender

Country Status (4)

Country Link
US (1) US3418815A (no)
GB (1) GB1098276A (no)
MY (1) MY7000144A (no)
NO (1) NO125194B (no)

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508744A (en) * 1967-11-02 1970-04-28 Bridgestone Tire Co Ltd Fender
US3680851A (en) * 1970-07-22 1972-08-01 Seibu Gomu Kagaku Kk Fender with cushion board
US3690280A (en) * 1970-09-14 1972-09-12 Seibu Gomukogaku Kogyo Kk Fender for large ship
US3690710A (en) * 1971-05-12 1972-09-12 Michael G Curran Shock absorbing bumper
US3708988A (en) * 1969-09-18 1973-01-09 Siebu Gomu Kagaku K K Fender assembly
US3779536A (en) * 1971-01-29 1973-12-18 Clouth Gummiwerke Ag Buffer or fender
US3785318A (en) * 1971-05-18 1974-01-15 Exxon Research Engineering Co Docking and drydocking members for externally insulated ships
US3788082A (en) * 1969-05-08 1974-01-29 Seibu Gomu Kagaku Kk Assembled fender unit
DE2345699A1 (de) * 1972-09-20 1974-03-28 Internat B F Goodrich Europ B Fender
US3803853A (en) * 1972-07-24 1974-04-16 Borg Warner Dock fender structure
US3828715A (en) * 1972-06-23 1974-08-13 Yokohama Rubber Co Ltd Air cushion type fender for use with a quay-wall
US3880454A (en) * 1971-11-05 1975-04-29 Daimler Benz Ag Bumper for vehicles, especially motor vehicle
US3937170A (en) * 1974-10-29 1976-02-10 Drewett Glen E Bumper guard and arrangement for water covered areas
US3938795A (en) * 1972-09-21 1976-02-17 Volkswagenwerk Aktiengesellschaft Resilient shock absorbing bumper
US3948500A (en) * 1973-07-18 1976-04-06 Pneumatiques Caoutchouc Manufacture Et Plastiques Kleber-Colombes Shock absorbers for mooring guards
US3961593A (en) * 1975-05-30 1976-06-08 Matthews Joseph E Dock fender assembly
US4061385A (en) * 1975-11-17 1977-12-06 Abraham Schwartzberg Impact absorbing bumper
JPS53153658U (no) * 1972-05-05 1978-12-02
US4498413A (en) * 1983-03-16 1985-02-12 Cochran William H Construction of rigid hull inflatable boat
US4664053A (en) * 1985-09-03 1987-05-12 Mesinger Robert H Sheer line deck-edge fender for vessels
DK155429B (da) * 1970-09-11 1989-04-10 Seibu Gomu Kagaku Kk Rektangulaer, roerformet fender, navnlig til store skibe
US5092644A (en) * 1990-05-07 1992-03-03 Apollo Marine Specialties, Inc. Personnel and cargo net having a landing cushion
US5560451A (en) * 1993-11-18 1996-10-01 Venture U.S.A. Incorporated Forklift vehicles
US5762001A (en) * 1995-06-07 1998-06-09 Thrall Car Manufacturing Company Door edge protector
US5765486A (en) * 1995-11-16 1998-06-16 Thrall Car Manufacturing Company Auto rack railway car
US5988609A (en) * 1997-10-27 1999-11-23 Young; James A. Elastomeric tubular stop member
US6604735B2 (en) * 2000-12-22 2003-08-12 Lockheed Martin Corporation Elastomer variants
US20030235480A1 (en) * 1999-10-12 2003-12-25 Thomson Stuart H. Product protector for center beam flat cars
US20080023898A1 (en) * 2006-07-27 2008-01-31 Palinkas Richard L Geometric shaped side bearing pad
US20080156310A1 (en) * 2006-12-28 2008-07-03 Leven Industries Oscillation transfer plate for dampening noise and vibration
US20080203743A1 (en) * 2004-11-03 2008-08-28 Nv Bekaert Sa Impact Absorbing Device with Tape-Like Device Attached
US20130169000A1 (en) * 2011-12-28 2013-07-04 Aerofficient Llc Crash bar aerodynamic device
WO2017117641A1 (pt) * 2016-01-06 2017-07-13 Mathoso Fabio Vicente Disposições construtivas introduzidas em batente para docas e cais

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3507123A (en) * 1967-09-06 1970-04-21 Seibu Gomu Kagaku Kk Fender for dock wall

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2935855A (en) * 1956-09-21 1960-05-10 Standard Products Co Rubber bumper strip for docks, piers or other structures
GB945456A (en) * 1961-09-12 1964-01-02 Tokyo Gomu Kabushiki Kaisha Improvements in or relating to ship and pier fenders

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2935855A (en) * 1956-09-21 1960-05-10 Standard Products Co Rubber bumper strip for docks, piers or other structures
GB945456A (en) * 1961-09-12 1964-01-02 Tokyo Gomu Kabushiki Kaisha Improvements in or relating to ship and pier fenders

Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508744A (en) * 1967-11-02 1970-04-28 Bridgestone Tire Co Ltd Fender
US3788082A (en) * 1969-05-08 1974-01-29 Seibu Gomu Kagaku Kk Assembled fender unit
US3708988A (en) * 1969-09-18 1973-01-09 Siebu Gomu Kagaku K K Fender assembly
US3680851A (en) * 1970-07-22 1972-08-01 Seibu Gomu Kagaku Kk Fender with cushion board
DK155429B (da) * 1970-09-11 1989-04-10 Seibu Gomu Kagaku Kk Rektangulaer, roerformet fender, navnlig til store skibe
US3690280A (en) * 1970-09-14 1972-09-12 Seibu Gomukogaku Kogyo Kk Fender for large ship
US3779536A (en) * 1971-01-29 1973-12-18 Clouth Gummiwerke Ag Buffer or fender
US3690710A (en) * 1971-05-12 1972-09-12 Michael G Curran Shock absorbing bumper
US3785318A (en) * 1971-05-18 1974-01-15 Exxon Research Engineering Co Docking and drydocking members for externally insulated ships
US3880454A (en) * 1971-11-05 1975-04-29 Daimler Benz Ag Bumper for vehicles, especially motor vehicle
JPS53153658U (no) * 1972-05-05 1978-12-02
US3828715A (en) * 1972-06-23 1974-08-13 Yokohama Rubber Co Ltd Air cushion type fender for use with a quay-wall
US3803853A (en) * 1972-07-24 1974-04-16 Borg Warner Dock fender structure
DE2345699A1 (de) * 1972-09-20 1974-03-28 Internat B F Goodrich Europ B Fender
US3938795A (en) * 1972-09-21 1976-02-17 Volkswagenwerk Aktiengesellschaft Resilient shock absorbing bumper
US3948500A (en) * 1973-07-18 1976-04-06 Pneumatiques Caoutchouc Manufacture Et Plastiques Kleber-Colombes Shock absorbers for mooring guards
US3937170A (en) * 1974-10-29 1976-02-10 Drewett Glen E Bumper guard and arrangement for water covered areas
US3961593A (en) * 1975-05-30 1976-06-08 Matthews Joseph E Dock fender assembly
US4061385A (en) * 1975-11-17 1977-12-06 Abraham Schwartzberg Impact absorbing bumper
US4498413A (en) * 1983-03-16 1985-02-12 Cochran William H Construction of rigid hull inflatable boat
US4664053A (en) * 1985-09-03 1987-05-12 Mesinger Robert H Sheer line deck-edge fender for vessels
US5092644A (en) * 1990-05-07 1992-03-03 Apollo Marine Specialties, Inc. Personnel and cargo net having a landing cushion
US5560451A (en) * 1993-11-18 1996-10-01 Venture U.S.A. Incorporated Forklift vehicles
US5762001A (en) * 1995-06-07 1998-06-09 Thrall Car Manufacturing Company Door edge protector
US5765486A (en) * 1995-11-16 1998-06-16 Thrall Car Manufacturing Company Auto rack railway car
US5988609A (en) * 1997-10-27 1999-11-23 Young; James A. Elastomeric tubular stop member
US20030235480A1 (en) * 1999-10-12 2003-12-25 Thomson Stuart H. Product protector for center beam flat cars
US6604735B2 (en) * 2000-12-22 2003-08-12 Lockheed Martin Corporation Elastomer variants
US20080203743A1 (en) * 2004-11-03 2008-08-28 Nv Bekaert Sa Impact Absorbing Device with Tape-Like Device Attached
US20080023898A1 (en) * 2006-07-27 2008-01-31 Palinkas Richard L Geometric shaped side bearing pad
US8061698B2 (en) * 2006-07-27 2011-11-22 Chemtura Corporation Geometric shaped side bearing pad
US20080156310A1 (en) * 2006-12-28 2008-07-03 Leven Industries Oscillation transfer plate for dampening noise and vibration
US8141548B2 (en) * 2006-12-28 2012-03-27 Leven Industries Oscillation transfer plate for dampening noise and vibration
US20130169000A1 (en) * 2011-12-28 2013-07-04 Aerofficient Llc Crash bar aerodynamic device
WO2017117641A1 (pt) * 2016-01-06 2017-07-13 Mathoso Fabio Vicente Disposições construtivas introduzidas em batente para docas e cais

Also Published As

Publication number Publication date
MY7000144A (en) 1970-12-31
NO125194B (no) 1972-07-31
GB1098276A (en) 1968-01-10

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