US3842782A - Interconnection of two craft - Google Patents

Interconnection of two craft Download PDF

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Publication number
US3842782A
US3842782A US00233971A US23397172A US3842782A US 3842782 A US3842782 A US 3842782A US 00233971 A US00233971 A US 00233971A US 23397172 A US23397172 A US 23397172A US 3842782 A US3842782 A US 3842782A
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US
United States
Prior art keywords
craft
barge
pusher
cavity
assembly
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
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US00233971A
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English (en)
Inventor
L Cuttica
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Individual
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Individual
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Publication date
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Publication of US3842782A publication Critical patent/US3842782A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/66—Tugs
    • B63B35/665—Floating propeller units, i.e. a motor and propeller unit mounted in a floating box
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/66—Tugs
    • B63B35/70—Tugs for pushing

Definitions

  • This invention relates to a method for interconnecting two craft, one of which acting as a pusher; the invention also relates to a craft system or assembly thereby provided.
  • connection systems for maritime navigation some are of the articulated type, that is the bow or leading portion of the pusher is connected to the astern portion of the barge by pins or trunnions.
  • a connection of this type has the disadvantage of causing under particular conditions of wave motion, particularly when from the stern, estremely high stressesin the barge structures at the attachement zones.
  • the novelty of the present invention essentially consists in that, upon joining completion, the pusher is no longer floating and, moreover, the major portion thereof is out of water contact within the barge and thus completely free of the wave motion effect.
  • the rigid type of connection system provided is but barely put under stress by wave motion, thus avoiding any need of installing blocking devices or joints, as typical for the prior art fixed systems.
  • connection operations between the pusher and barge are estremely simple and fast, essentially consisting of bringing the front portion of the pusher into a floating dock section or cavity having a mutually conjugated shape and prearranged at the barge astern zone; resting the pusher bottom on the bottom of said dock section and then bringing to a dry state that pusher zone located within the dock section by draining the residual water, the rear portion of the pusher forming a sealing system for said section.
  • blocking means could be provided, but they would exclusively serve an auxiliary safety purpose, while hooking thereof, to be carried out upon completion of connection between the propeller and barge, would .be extremely simple, as the connection elements. of said blocking means are located on members unable to have movements relative to one another.
  • a further basic feature of the present invention resides in that, with the particular shape adopted at the rear portion, the barge can introduce into its holds from the stern naval craft or small floating barges by simple water transfer thereof, that is avoiding entirely the use of any lifting means for embarkment or discharge thereof from aboard.
  • This system is a"particularly topical system in expectation of the future development of the transport system commonly referred to as lash (lighters aboard ships) and transfer of such barges for maritime coasting or inland waterway journeys.
  • FIG. 1 is a longitudinal sectional view showing the craft acting as a pusher, fixedly connected in an operative position to the astern zone of a barge, the latter being shown only by dot and dash lenes;
  • FIG. 2 is a plan view showing onlythe left-hand portion of the pusher in FIG. 1;
  • FIGS. 3, 4 and 5 show on a reduced scale the three relative subsequent positions as taken by the barge and pusher in a connection sequence; these three last figures in a reversed order may serve to show the separation sequence between barge and pusher; and
  • FIGS. 6, 7 and 8 show how by the connection as provided between the pusher and barge a small barge can be introduced into the mother barge.
  • the craft hull forming the pusher 11 comprises two parts, an astern section 12 having side outer plating and bottom respectively flush with the side outer plating 5- and bottom 6 of the barge, whereas the leading section 13 has a shape conjugated to that for the barge cavity,
  • a board or head 14 will be provided at the transverse plane.
  • balancing and ballast tanks 15 and 16 are arranged inside and on the bottom of pusher 11. By partially or totally filling such tanks, the pusher 11 can assume both changes in immersion and longitudinal position.
  • accomodation and services 17 and 18 for the crew, as well as propelling engines 19 operating a propeller 19' can be accomodated within pusher 11.
  • the drive system between the engine and propeller 19' can be accomplished by a Shottel type of drive system, or the like.
  • Coupling between pusher l1 and barge 1, possibly to be effected in calm waters in a port environment, is carried out as follows: the pusher (see FIG. 3 and so on), having a slightly astern position is moved or moves near to barge l and with its leading section 13 enters inside said cavity or floating dock section of the barge 1, until the board or head 14 on the pusher bottom abuts the board or head on the bottom of the dock section of barge 1.
  • the ballast and balancing tanks 16 within the pusher are flooded until the bottom of the leading section 13 of the pusher rests throughout its length on the dock section bottom 8.
  • the pusher ballast tanks and 16 are entirely flooded.
  • the residual water remaining within the dock section is removed by a pump.
  • the hermetic sealing of said dock section is provided by the astern section 12 of pusher 11 at the pusher board or head 14 and barge board or head 10.
  • seals (not shown) of rubber or other material, capable of preventing water from penetrating into the dock section.
  • the pusher leading section 13 as a result of the hydrostatic head due to the level differential between the astern and leading sections at dry, and in view of the sealing provided by said seals, would accomplish the same function as a caisson gate relative to a brick dock.
  • the plating at the astern face has been replaced by a sealed door 21 of any type, which in the example shown can be opened by upward overturning it for allowing an access to the interior of the barge room intended for goods transport.
  • Barge 1 can be fitted with suitable position and ballast tanks as a floating dock, in order to allow water to enter the barge, and hence introduce into the barges through the open door 21 floating goods containers 22, as it will be seen by comparing FIGS. 6 and 7, which otherwise could not, for example, be transported by themselves on the sea by river or on low depths of water.
  • An assembly of two craft comprising:
  • said barge having a cavity being formed by a bow portion, a pair of sides extending rearwardly of said bow portion and a bottom, said cavity being open at the stem end of said barge, and being of a size sufficient to accommodate a front end portion of the pusher craft, the pusher craft having a transverse wall portion extending outwardly from the sides and bottom thereof at substantially amidships, said front end portion of said pusher craft resting firmly on the bottom of the cavity,
  • sealing means for water sealing the two craft together relative to the surrounding sea, the sealing means being positioned at the stern end of the barge and comprising a surface at the extreme rearward end of each of the pair of sides and the bottom, said surface being transverse to the open end of the cavity, and abutting said transverse wall portion of said pusher craft when said front end portion of said pusher craft is within said cavity,
  • e. means for draining the residual water in the cavity after the joining of the craft to obtain increased adherence between the two craft.
  • An assembly comprising two craft as claimed in claim 1 wherein floating containers are introduced into said cavity through said open stem end of said barge and accommodated within said cavity between said bow portion of the barge and said front end portion of said pusher craft when said front end portion of said pusher craft is entirely received within said cavity.
  • An assembly comprising two craft according to claim 2 wherein said cavity is provided with closing means for dividing that portion of said cavity intended to accommodate said front end portion of said pusher craft from that portion of said cavity intended to accommodate said containers.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Cleaning Or Clearing Of The Surface Of Open Water (AREA)
  • Ship Loading And Unloading (AREA)
US00233971A 1971-03-15 1972-03-13 Interconnection of two craft Expired - Lifetime US3842782A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1257271 1971-03-15

Publications (1)

Publication Number Publication Date
US3842782A true US3842782A (en) 1974-10-22

Family

ID=11141753

Family Applications (1)

Application Number Title Priority Date Filing Date
US00233971A Expired - Lifetime US3842782A (en) 1971-03-15 1972-03-13 Interconnection of two craft

Country Status (6)

Country Link
US (1) US3842782A (cs)
BE (1) BE780665A (cs)
DE (1) DE2212116C3 (cs)
FR (1) FR2129652A5 (cs)
GB (1) GB1338956A (cs)
NL (1) NL7203331A (cs)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5417597A (en) * 1994-04-28 1995-05-23 The United States Of America As Represented By The Secretary Of The Navy Vessel with machinery modules outside watertight hull
WO1996022219A1 (en) * 1995-01-17 1996-07-25 Skarhar, Inc. Integrated tug/barge with riding pusher boat
WO1998019906A1 (en) * 1996-11-06 1998-05-14 Aavitsland Dag O Connection device between a ship's two parts
WO2020115264A1 (fr) * 2018-12-06 2020-06-11 Sealver Systeme et ensemble de nautisme, procede de fabrication et de desassemblage

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5417597A (en) * 1994-04-28 1995-05-23 The United States Of America As Represented By The Secretary Of The Navy Vessel with machinery modules outside watertight hull
WO1996022219A1 (en) * 1995-01-17 1996-07-25 Skarhar, Inc. Integrated tug/barge with riding pusher boat
US5558036A (en) * 1995-01-17 1996-09-24 Skarhar, Inc. Integrated tug/barge system with riding pusher boat
WO1998019906A1 (en) * 1996-11-06 1998-05-14 Aavitsland Dag O Connection device between a ship's two parts
WO2020115264A1 (fr) * 2018-12-06 2020-06-11 Sealver Systeme et ensemble de nautisme, procede de fabrication et de desassemblage
CN113165725A (zh) * 2018-12-06 2021-07-23 希尔瓦公司 航海系统和组合件、用于制造和拆卸的方法
US12024267B2 (en) 2018-12-06 2024-07-02 Sealver Watersports system and assembly, method of manufacture and dismantling

Also Published As

Publication number Publication date
FR2129652A5 (cs) 1972-10-27
DE2212116B2 (de) 1974-05-22
NL7203331A (cs) 1972-09-19
GB1338956A (en) 1973-11-28
BE780665A (fr) 1972-07-03
DE2212116A1 (de) 1972-09-21
DE2212116C3 (de) 1975-01-09

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