US3916809A - Protective device for gas bag of ship safety device - Google Patents

Protective device for gas bag of ship safety device Download PDF

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Publication number
US3916809A
US3916809A US426027A US42602773A US3916809A US 3916809 A US3916809 A US 3916809A US 426027 A US426027 A US 426027A US 42602773 A US42602773 A US 42602773A US 3916809 A US3916809 A US 3916809A
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US
United States
Prior art keywords
bag
fenders
ship
broadside
protective
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
US426027A
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English (en)
Inventor
Hiroshi Miyamoto
Miyoshi Kogima
Sadao Hashimoto
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.)
Bridgestone Corp
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Bridgestone Corp
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 Bridgestone Corp filed Critical Bridgestone Corp
Application granted granted Critical
Publication of US3916809A publication Critical patent/US3916809A/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 
    • B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
    • B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
    • B63B43/10—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy
    • B63B43/14—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy using outboard floating members
    • 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
    • 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
    • B63B2059/025—Fenders integral with waterborne vessels or specially adapted therefor, e.g. fenders forming part of the hull or incorporated in the hull; Rubbing-strakes pneumatic, e.g. inflatable

Definitions

  • ABSTRACT A protective device for protecting a gas bag of a ship safety device'from being damaged when it is brought into contact with any other ship or a quay, the gas bag normally folded and secured to a broadside of the ship and adapted to be inflated by forcing pressurized gas thereinto to give an additional buoyancy to the ship when it gets into a danger such as submergence or overthrow owing, to a storm or a collision.
  • PROTECTIVE DEVICE FOR GAS BAG OF SHIP SAFETYDEVICE BACKGROUND or THE INVENTION 1.
  • This invention relates to a protective device for an inflatable gas. bag normally folded and secured to a broadside of a ship and adapted to be inflated in case of emergency to provide an additional buoyancy for the ship.
  • the protective. device for a gasbag of a ship safety device said bag secured to a broadside of a ship and adapted to inflate and deflate by filling and removing a gas thereinto and therefrom, said protective device comprises fenders fixed to a periphery of said gas bag normally flattened by removal of said gas therefrom.
  • At least a front end of the fender is chamfered on its bow side.
  • An object of the invention is to provide a protective devicefor protecting a ship safety device using gas bags to ensure that the bag can be assuredly inflated to pro vide an additional buoyancy for the ship in an emergency so as to avoid a disaster at sea.
  • Another object of the invention is to provide a protective device. for a gas bag of a ship safety device capable of reducing resistance to water and minimizing splash of water.
  • FIG. l is a-front elevation of a protective device for a gas bag of a ship safety device according to the inven- FIG. 2 isa'n enlarged sectional view of the protective device taken along the line II-II in FIG. 1;
  • FIG. 3 is an enlarged sectional view similar to that shown in FIG. 2 taken along the line III'III in FIG. 1;
  • FIG. 4 is a partial plan view showing a chamfered portion of the fender according to the invention.
  • FIG. 5 is a front elevation showing a second embodiment of the device according to the invention.
  • FIG. 6 is a front elevation showing a third embodiment of the invention.
  • FIG. 7 is an enlarged sectional view taken along the line VII-VII in FIG. 5 or 6;
  • FIG. 8 is a partial plan view of the device shown in FIG. 5 showing a chamfered portion of the device.
  • FIG. 9 is a partial plan view of the device shown in FIG. 6.
  • a gas bag I made of suitable elastomeric material such as rubber and the like is secured to a broadside 2 of a ship by means of mounting means described in detail hereinafter.
  • the bag I is connected to a compressed gas source (not shown), e.g., a gas bomb carried on a deck of the ship through a suitable conduit (not shown) including a valve which serves to fill or remove the gas into or from the bag for the purpose of inflation and deflation thereof.
  • a compressed gas source e.g., a gas bomb carried on a deck of the ship
  • a suitable conduit not shown
  • the gas bag In a normal position, the gas bag is collapsed or folded into a flat form as shown in FIG. 3.
  • fenders 4 made of an elastomeric material such as rubber and the like to securely mount the bag on the broadside.
  • fenders 4 made of an elastomeric material such as rubber and the like to securely mount the bag on the broadside.
  • fenders 4 are arranged one on each upper and lower side of the bag in the longitudinal direction of the bag and, however, so long as the fenders are adjacent'to the bag itself, fenders for the purpose may be located in any other arrangement, for example, on all sides 'of the bag.
  • the front and rear end portions 1c of the bag are provided with protective plates 5 made of an elastomeric material such as rubber and the like which have a thickness substantially the same as that of the collapsed bag and are in mating engagement with the end portions in a configuration to minimize the resistance to water at the end portions 10 of the bag when cruising.
  • the gas bag 1 collapsed in a flat form is restrained in the form by holding plates 6a at the lower ends of a plurality of wire ropes 6 which serve to hang the gas bag at the upper side thereof and protrusions Id formed in the ends of the bag adapted to be detachably fitted in notches of the protective plates 5 fixed to the plate 3.
  • the protrusion Id is preferably formed on one side facing the plate 3 with a button 1e.
  • the fenders 4 consist preferably of end fenders 4a and center fenders 4b.
  • the end fender 4a is fixed to a metallic intermediate plate 8 cemented to the upper surface of the protective plate 5 arranged on a metallic fixing plate 7 which is fixed through the facing plate 3 to the broadside 2 by means of a bolt 9 and a nut 9a as shown in FIGS. 1 and 2.
  • the center fender 4b is fixed to the facing plate 3 by causing a bolt 11 to pass through a metallic fixing piece 3b of the plate 3 and tightly screw into a female threaded piece fixed to a metallic fixing piece 10 fixed to the inner surface of the fender 4b, interposing' the flange lb of the gas bag between the plate 3 and the piece 10.
  • the assembly is securely mounted on the broadside 2 by means of bolts 12 and nuts 12a.
  • At least the front one of the end fenders 4a which is positioned on the bow side of the fender 4 is chamfered 42 at its bow side to reduce resistance to water and minimize splash of water as shown in FIGS. 1 and 4.
  • the gas bag 1 is formed on all or a part of its outer surface with a number of ridges If in parallel with a cruising direction of the ship to reinforce the surface of the bag.
  • the fenders 4 and the protective plates 5 are formed at their bottoms with flared portions 13 adapted to be in contact with the broadside 2 surrounding the peripheries of the facing plate 3 in order to prevent the fenders and the protective plates from catching a fishing net and the like.
  • fenders 4 are arranged in the form of a band around the full-length of the periphery of the gas bag 1 in collapsed or flat form, which are preferable for minimizing resistance of the bag to water when cruising.
  • fenders 4 are arranged around the full-length of the periphery of the bag 1 as in the second embodiment.
  • the fender 4 consists of front and rear end fenders 4a, 40 and center fenders 4b.
  • At least the upper fender 40 has a front edge arranged at right angles to the cruising direction of the ship and an upper edge arranged in parallel with a draught line of the ship to prevent water pushed aside by the fender from raising when'cruising at a considerably high speed.
  • the gas bag 1 is kept in a collapsed or flat form by means of a plurality of wire'ropes 6 connected at their ends to the bottoms of the front and rear ends of the bag 1 and passing throughpipes 14 embedded in the fender 4 so that when the'upper ends of the wire ropes 6 are raised, the bag is maintained in the collapsed or flat form by the tensioned wire ropes.
  • the protective device for gas bags for use in the ship safety device according to the invention as above described comprises'novel fenders 4 which effectively protect the gas bag 1 from being damaged which would otherwise be likely to be damaged, so that the bag can be assuredly inflated to provide an additional buoyancy for the'ship in an emergency so as to avoid a disaster at for mounting the bag on the broadside of a ship
  • fenders 4 which effectively protect the gas bag 1 from being damaged which would otherwise be likely to be damaged, so that the bag can be assuredly inflated to provide an additional buoyancy for the'ship in an emergency so as to avoid a disaster at for mounting the bag on the broadside of a ship
  • outwardly projecting fenders extending along the upper and lower sides of said bag in the cruising direction of said ship, means for mounting said fenders on said broadside with the corresponding marginal edge portion of said bag sandwiched therebetween, said fenders extending outwardly from said broadside to a distance in excess of said bag in the folded condition, outwardly projecting protective plates extending'along the front and rear
  • a protective device for a gas bag of a ship safety device as set forth in claim 1, wherein said fenders con sist of front and rear end fenders and center fenders,
  • At least the upper end fenders have a front edge arranged at right angles to a cruising direction of the ship and an upper edge arranged in parallel with a draught line of the ship.
  • each of said fenders include a center fender and an end fender on each side of said center fender in aligned relationship therewith and including a facing plate disposed adjacent said broadside in underlying relationship with said fenders and said protective plates, a fixing plate between said facing plate and each of said protective plates and an intermediate plate secured to the upper surface of each of said protective plates in underlying relationship with said end fenders and wherein said mounting means include bolt means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Air Bags (AREA)
  • Barrages (AREA)
  • Cleaning Or Clearing Of The Surface Of Open Water (AREA)
US426027A 1972-12-26 1973-12-19 Protective device for gas bag of ship safety device Expired - Lifetime US3916809A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48003188A JPS4987098A (de) 1972-12-26 1972-12-26

Publications (1)

Publication Number Publication Date
US3916809A true US3916809A (en) 1975-11-04

Family

ID=11550411

Family Applications (1)

Application Number Title Priority Date Filing Date
US426027A Expired - Lifetime US3916809A (en) 1972-12-26 1973-12-19 Protective device for gas bag of ship safety device

Country Status (5)

Country Link
US (1) US3916809A (de)
JP (1) JPS4987098A (de)
CA (1) CA974406A (de)
GB (1) GB1450135A (de)
NO (1) NO140373C (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517620A1 (fr) * 1981-12-07 1983-06-10 Hennebutte Georges Perfectionnements aux moyens pour l'insubmersabilite des navires
US4549267A (en) * 1983-06-10 1985-10-22 Drabouski Jr Stephen J Moment stability system for large vessels
US6161494A (en) * 1998-09-15 2000-12-19 Adriano Iannucci Bumper device for boats, which is extremely simple to use
CN114150623A (zh) * 2021-11-23 2022-03-08 威海海洋职业学院 一种提供弹性及气体双重缓冲的船舶码头防撞设施

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120177A (en) * 1982-05-20 1983-11-30 Sedco Inc Emergency buoyancy system for semi-submersible vessel
GB8525293D0 (en) * 1985-10-14 1985-11-20 Forbes C T R Automatic flotation system
GB2184401B (en) * 1985-12-06 1989-10-11 Seabass Holdings Limited Improvements in buoyancy and stability apparatus
GB2199290A (en) * 1986-11-27 1988-07-06 Earl & Wright Ltd Auxiliary buoyancy for off-shore operations
CN113859464B (zh) * 2021-11-01 2022-10-11 天长市平安船舶设备有限公司 一种船舶防撞装置及其安装结构

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1294081A (en) * 1918-04-19 1919-02-11 Wojciech Gasiorowski Ship-protector.
US3121888A (en) * 1961-12-14 1964-02-25 Raymond W Morgan Watercraft preserver
US3822662A (en) * 1972-07-24 1974-07-09 Bridgestone Tire Co Ltd Safety device for ship

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2959146A (en) * 1958-12-03 1960-11-08 Nat Lock Co Bumper assembly for boats

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1294081A (en) * 1918-04-19 1919-02-11 Wojciech Gasiorowski Ship-protector.
US3121888A (en) * 1961-12-14 1964-02-25 Raymond W Morgan Watercraft preserver
US3822662A (en) * 1972-07-24 1974-07-09 Bridgestone Tire Co Ltd Safety device for ship

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517620A1 (fr) * 1981-12-07 1983-06-10 Hennebutte Georges Perfectionnements aux moyens pour l'insubmersabilite des navires
US4549267A (en) * 1983-06-10 1985-10-22 Drabouski Jr Stephen J Moment stability system for large vessels
US6161494A (en) * 1998-09-15 2000-12-19 Adriano Iannucci Bumper device for boats, which is extremely simple to use
CN114150623A (zh) * 2021-11-23 2022-03-08 威海海洋职业学院 一种提供弹性及气体双重缓冲的船舶码头防撞设施

Also Published As

Publication number Publication date
NO140373C (no) 1979-08-22
CA974406A (en) 1975-09-16
JPS4987098A (de) 1974-08-20
GB1450135A (en) 1976-09-22
NO140373B (no) 1979-05-14

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