GB544246A - Improvements in and relating to ship salvage - Google Patents

Improvements in and relating to ship salvage

Info

Publication number
GB544246A
GB544246A GB4740A GB4740A GB544246A GB 544246 A GB544246 A GB 544246A GB 4740 A GB4740 A GB 4740A GB 4740 A GB4740 A GB 4740A GB 544246 A GB544246 A GB 544246A
Authority
GB
United Kingdom
Prior art keywords
pontoons
ship
shoal
pontoon
draw
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
GB4740A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB4740A priority Critical patent/GB544246A/en
Publication of GB544246A publication Critical patent/GB544246A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C7/00—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects
    • B63C7/28—Refloating stranded vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

544,246. Salving stranded ships. McCALLUM, W. F. Jan. 1, 1940, No. 47. [Class 68 (ii)] Means for hauling a stranded ship off a shoal or beach employs two unanchoied pontoons. B. C. and a third anchored pontoon all being provided with ball-bearing sheaves constituting differential tackle operated by two winches G, G<SP>1</SP> to draw the three pontoons towards one another and, consequently, to draw the ship off the shoal. The ship is connected with the first pontoon B by ropes E and to hold the pontoons in position if the hauling tackle breaks they are connected by a chain passing through grips on the pontoons. The method may be carried out using one only of the unanchored pontoons.
GB4740A 1940-01-01 1940-01-01 Improvements in and relating to ship salvage Expired GB544246A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4740A GB544246A (en) 1940-01-01 1940-01-01 Improvements in and relating to ship salvage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4740A GB544246A (en) 1940-01-01 1940-01-01 Improvements in and relating to ship salvage

Publications (1)

Publication Number Publication Date
GB544246A true GB544246A (en) 1942-04-03

Family

ID=9697433

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4740A Expired GB544246A (en) 1940-01-01 1940-01-01 Improvements in and relating to ship salvage

Country Status (1)

Country Link
GB (1) GB544246A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2460668C2 (en) * 2009-07-24 2012-09-10 Борис Александрович Штефан Method (versions) and device to bring vessel afloat

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2460668C2 (en) * 2009-07-24 2012-09-10 Борис Александрович Штефан Method (versions) and device to bring vessel afloat

Similar Documents

Publication Publication Date Title
GB1516582A (en) Gantry cranes
GB963082A (en) Floating drilling platform
GB544246A (en) Improvements in and relating to ship salvage
GB1486058A (en) Ship-building system
GB518878A (en) Improvements in or relating to boats
GB544239A (en) Ships automatic stability unit
GB495154A (en) Improvements in or relating to the mooring of floating vessels
GB204544A (en) Improvements in sub-aqueous rock cutting apparatus
SU850557A1 (en) Method of guiding large floating cranes with superstructure,slewing boom and counterweights through canals
GB501324A (en) Means for the launching and recovery of waterborne craft from and to ships
GB535287A (en) Rig for sailboats
GB1119128A (en) A ship&#39;s derrick
GB207758A (en) Improvements in or relating to marine and like life saving devices
GB880032A (en) Improvements in or relating to fishing boats, trawlers and the like, equipped with rear fishing means, and methods of fitting out boats of this character
GB817476A (en) Improvements in or relating to winches or hoists
GB615682A (en) Improvements in or relating to boat lowering gear
GB893665A (en) Improved ship&#39;s derrick assembly
GB973633A (en) Improved boom rigging forming part of a derrick or crane
GB1044880A (en) Ship&#39;s derricks
GB1067254A (en) Improvements in or relating to marine derricks
GB487902A (en) Improvements in blocks for lifting tackle
GB605238A (en) Improvements in and relating to means for lowering and hoisting a life boat suspended from two falls
GB1190911A (en) Improvements relating to Derrick Cranes to Prevent Swinging of the Load
GB352703A (en) Improvements in or relating to means for salving marine vessels
GB958508A (en) Improvements in or relating to crane derricks