CA2168360C - Flexible fabric barge - Google Patents
Flexible fabric barge Download PDFInfo
- Publication number
- CA2168360C CA2168360C CA002168360A CA2168360A CA2168360C CA 2168360 C CA2168360 C CA 2168360C CA 002168360 A CA002168360 A CA 002168360A CA 2168360 A CA2168360 A CA 2168360A CA 2168360 C CA2168360 C CA 2168360C
- Authority
- CA
- Canada
- Prior art keywords
- flexible
- barge
- container
- barges
- sleeve
- 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 - Fee Related
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- Portable Outdoor Equipment (AREA)
- Tents Or Canopies (AREA)
Abstract
Flexible fabric barges are connected together in a string for towing. The barges are interconnected by fabric sleeves which have zipper connections. A fabric towing cone is zipper connected to the lead barge.
Description
~ ~c~.~b~
Descrio;.ion LEXIBLt. FABRIC BARGE
m_ec'tir~,~,al Field The present invention relates to f:~exible fabric barges used singly or towed in a string.
IO ~ackcg,Qund Qf tie Inve~~~'on The use of rlexible fabric barges has been proposed for storage of oil recovered from an oil spill and for transpor~ing fresh water in a salt water body of water. The latter use potentially involves the transporting of huge amounts of fresh water, possibly in a hostile wind and wave environment, and over distances which may be well in excess of a thousand miles between a supply port a discharge por~. The present invention aims to provide a reliable and practical water dolivery system utilizing °lexible baraes which is cheaper than use of rigid sea or land tankers or pipelines.
Swiss patent A-350 211 shows a plurality of elongated flexible containers enveloped in towing nets taking up the whole towing forces .
~,nmmarv o f ; ,~.~. ~.,~ ~~n mhe present invention recognizes that to economically transport .fresh water by sea using flexible fabric barges it is advantageous -.o tow several barges in a string with each barge being from 25 to 50 feet in diameter and from 200 to S00 feet in length, and that for loading and unloading purposes a~ docking sites, the barges should be easily coupled and separated when filled.
In accordance with the invention s series of fabric barges are connected together by fabr=.c sleeves and suitable connecting elements, preferably sippers. The lead barge is preferabl~~ connected to a tow line by a fabric nose cone. Preferably each barge has a collar at both ends and the sleeves are zipper connected to the collars The front collar on the lead barge can be zipper connected to the nose cone. The apposite end portions of ~~NpED SHEET
Descrio;.ion LEXIBLt. FABRIC BARGE
m_ec'tir~,~,al Field The present invention relates to f:~exible fabric barges used singly or towed in a string.
IO ~ackcg,Qund Qf tie Inve~~~'on The use of rlexible fabric barges has been proposed for storage of oil recovered from an oil spill and for transpor~ing fresh water in a salt water body of water. The latter use potentially involves the transporting of huge amounts of fresh water, possibly in a hostile wind and wave environment, and over distances which may be well in excess of a thousand miles between a supply port a discharge por~. The present invention aims to provide a reliable and practical water dolivery system utilizing °lexible baraes which is cheaper than use of rigid sea or land tankers or pipelines.
Swiss patent A-350 211 shows a plurality of elongated flexible containers enveloped in towing nets taking up the whole towing forces .
~,nmmarv o f ; ,~.~. ~.,~ ~~n mhe present invention recognizes that to economically transport .fresh water by sea using flexible fabric barges it is advantageous -.o tow several barges in a string with each barge being from 25 to 50 feet in diameter and from 200 to S00 feet in length, and that for loading and unloading purposes a~ docking sites, the barges should be easily coupled and separated when filled.
In accordance with the invention s series of fabric barges are connected together by fabr=.c sleeves and suitable connecting elements, preferably sippers. The lead barge is preferabl~~ connected to a tow line by a fabric nose cone. Preferably each barge has a collar at both ends and the sleeves are zipper connected to the collars The front collar on the lead barge can be zipper connected to the nose cone. The apposite end portions of ~~NpED SHEET
2 ~ 6~~.56U
WO 95/04675 f_ T,'LT~94/C8~? .' each barge preferably have the same configuration and the main body portion of each barge is generally cylindrical.
$ i~ ef D~scrigt~,gn cf thg DTa~ Wlng~S
Figure 1 is a side elevational view showing two barges coupled together in accordance with the present invention;
Figure 2 is a side elevational view of an end portion vt one of the barges when about 90% full of fresh water;
Figure 3 is a front elevational view of the end of the barge shown in Figure 2;
Figure 4 is a fragmentary side elwational view showing the sleeve connection between barges; and Figure 5 is a fragmentary side elevational view showing the nose cone in operating position.
DetailP
Descriflt ion of the invention Referring to the drawings, a barge 10 is illustrated having a central main body 12 which is cylindrical if filled.
The main body 12 is preferably fabricated from multiple rectangular fabric sections 12a which are joined along longitudinal seams 14. At its ends i~.he main body 12 is joined to respective bulbous end portions 16 oz like design a~ circumferenti.31 seams.
At or adjacent '-,..hese circumferential seams the main body I2 is joined to collars 18 :.:~
the preferred embodiment.
These collars are used in conjunction with 'abric sleeves 20. The collarg and sleeves have complementing sets 22 c~- spper n~po~..~
Cs ~
at t he collars and sleeves so ~c n be easily connected together.
A fabric nose tow cone is provided with a set of sipper camponents t~$ register with the zipper components on the front collar ~A cf the lead barge.
This nose cone is reinforced at the nose and connected to a suitable towing fitting ~6 or bridle.
As an alternative arrangement, far example, the B
sleeves ~3 can be permanently connected at one end to the ArMENOED SHEEN
1 ~~~~~U
WO 95104675 YC't/U594198817 collar at one end of a respective barge, and zipper connected at its other end to the collar at the other end of a like barge. 1g As still another alternate, the collars can be extended as sleeve extensions having a length of about one-half that of the sleeves 22, and have a set of zipper components mounted at their free ends to connect the sleeve extensions together. With this arrangement the Zipper connections would be located midway between l0 adjacent barges.
The zipper connection of the sleeves 20 is not water tight so that sea water will be between the ends of the barges to ac~ as a cushion. Similarly, the forward end~of the nose cone 24 is open sufficiently to permit the nose cone to be full of sea water.
The barges will normally be 90% full of fresh water and hence will have a transverse "filled" profile which is laterally distorted as indicated in Figures 2-3.
Referring to Figure 3, it is preferred that the front and rear portions 16 of the barge have the shape of the front half and rear half, respectively of the surface of a three-dimensional body of rotation having the vertical center lire 28 of the main body portion 12 as an axis of rotation and the main body profile 30 at the transverse location as the generatrix when the barge is 90% full.
The end poztions 16 can be fabricated by subdividing them into multiple fabric sections 16a joined at seams 16b.
The zippers 22 have sets of large individual plastic teeth elements fixed on respective two-ply woven fabric mounting strips each enclosing a card along a longitudinal side edge portion. The cord preferably has a stainless steel core surrounded by a PVC sleeve. The teeth elements are confined against movement relative to their mounting strip by the cords. The two-plies of each mounting strip straddle end partions of the respective sleeve collar 18 and are welded o~ other mounted thereto.
The teeth eleaents are molded from a suitable plastic and ~f~ENOED SHEEP
'NO 95/04675 may be of standard shape for interfitting responsive to gliding of the slide element. The slide element stays with one of the sets of zipper teeth and is interfitted with an entry portion of the complementing mounting strip.
This may be accomplished by a diver. The sippers 22 may be opened and closed by a diver ar by a machine moving the slide element.
The barges are provided with one or more ports for filling and emptying. These ports can comprise large grommets, about 12 inches in diameter, which are secured in a water tight connection to the rims of appropriate openings in the barge fabric. The grommets are internally threaded to receive removeable threaded plugs.
It will be appreciated from the foregoing description that two or more barges can be easily connected together to be towed in a string with the lead barge being fitted with the tow cone 26. At the delivery site the barges can be easily disconnected from one another and maneuvered to an unloading station.
WO 95/04675 f_ T,'LT~94/C8~? .' each barge preferably have the same configuration and the main body portion of each barge is generally cylindrical.
$ i~ ef D~scrigt~,gn cf thg DTa~ Wlng~S
Figure 1 is a side elevational view showing two barges coupled together in accordance with the present invention;
Figure 2 is a side elevational view of an end portion vt one of the barges when about 90% full of fresh water;
Figure 3 is a front elevational view of the end of the barge shown in Figure 2;
Figure 4 is a fragmentary side elwational view showing the sleeve connection between barges; and Figure 5 is a fragmentary side elevational view showing the nose cone in operating position.
DetailP
Descriflt ion of the invention Referring to the drawings, a barge 10 is illustrated having a central main body 12 which is cylindrical if filled.
The main body 12 is preferably fabricated from multiple rectangular fabric sections 12a which are joined along longitudinal seams 14. At its ends i~.he main body 12 is joined to respective bulbous end portions 16 oz like design a~ circumferenti.31 seams.
At or adjacent '-,..hese circumferential seams the main body I2 is joined to collars 18 :.:~
the preferred embodiment.
These collars are used in conjunction with 'abric sleeves 20. The collarg and sleeves have complementing sets 22 c~- spper n~po~..~
Cs ~
at t he collars and sleeves so ~c n be easily connected together.
A fabric nose tow cone is provided with a set of sipper camponents t~$ register with the zipper components on the front collar ~A cf the lead barge.
This nose cone is reinforced at the nose and connected to a suitable towing fitting ~6 or bridle.
As an alternative arrangement, far example, the B
sleeves ~3 can be permanently connected at one end to the ArMENOED SHEEN
1 ~~~~~U
WO 95104675 YC't/U594198817 collar at one end of a respective barge, and zipper connected at its other end to the collar at the other end of a like barge. 1g As still another alternate, the collars can be extended as sleeve extensions having a length of about one-half that of the sleeves 22, and have a set of zipper components mounted at their free ends to connect the sleeve extensions together. With this arrangement the Zipper connections would be located midway between l0 adjacent barges.
The zipper connection of the sleeves 20 is not water tight so that sea water will be between the ends of the barges to ac~ as a cushion. Similarly, the forward end~of the nose cone 24 is open sufficiently to permit the nose cone to be full of sea water.
The barges will normally be 90% full of fresh water and hence will have a transverse "filled" profile which is laterally distorted as indicated in Figures 2-3.
Referring to Figure 3, it is preferred that the front and rear portions 16 of the barge have the shape of the front half and rear half, respectively of the surface of a three-dimensional body of rotation having the vertical center lire 28 of the main body portion 12 as an axis of rotation and the main body profile 30 at the transverse location as the generatrix when the barge is 90% full.
The end poztions 16 can be fabricated by subdividing them into multiple fabric sections 16a joined at seams 16b.
The zippers 22 have sets of large individual plastic teeth elements fixed on respective two-ply woven fabric mounting strips each enclosing a card along a longitudinal side edge portion. The cord preferably has a stainless steel core surrounded by a PVC sleeve. The teeth elements are confined against movement relative to their mounting strip by the cords. The two-plies of each mounting strip straddle end partions of the respective sleeve collar 18 and are welded o~ other mounted thereto.
The teeth eleaents are molded from a suitable plastic and ~f~ENOED SHEEP
'NO 95/04675 may be of standard shape for interfitting responsive to gliding of the slide element. The slide element stays with one of the sets of zipper teeth and is interfitted with an entry portion of the complementing mounting strip.
This may be accomplished by a diver. The sippers 22 may be opened and closed by a diver ar by a machine moving the slide element.
The barges are provided with one or more ports for filling and emptying. These ports can comprise large grommets, about 12 inches in diameter, which are secured in a water tight connection to the rims of appropriate openings in the barge fabric. The grommets are internally threaded to receive removeable threaded plugs.
It will be appreciated from the foregoing description that two or more barges can be easily connected together to be towed in a string with the lead barge being fitted with the tow cone 26. At the delivery site the barges can be easily disconnected from one another and maneuvered to an unloading station.
Claims (9)
1. A flexible barge for transporting material having a density less than the water in the body of water in which the barge is being used, said barge comprising:
a watertight container of flexible fabric construction having an elongated main body section (12) and having two end closure sections (16) connected to respective ends of said main body section;
an access port in said container;
a flexible fabric sleeve (20) having an outer end and connected by an inner end to said container adjacent one end of said main body section (12), and fastening elements (22) on said sleeve (20) adjacent its said outer end.
a watertight container of flexible fabric construction having an elongated main body section (12) and having two end closure sections (16) connected to respective ends of said main body section;
an access port in said container;
a flexible fabric sleeve (20) having an outer end and connected by an inner end to said container adjacent one end of said main body section (12), and fastening elements (22) on said sleeve (20) adjacent its said outer end.
2. A flexible barge according to claim 1 in which said fastening elements (22) are zipper elements.
3. A flexible barge according to claim 1 in which said sleeve (20) is connected to said container by a zipper (22).
4. A flexible barge according to claim 1 in which a flexible collar (18) is connected to said container adjacent the other end of said main body section, and a flexible towing cone (26) is connected to said collar.
5. A flexible barge according to claim 1 in which a second container of flexible fabric construction is connected to said sleeve (20) by fastening elements (22) complementing the first-mentioned elements.
6. A set of flexible barges comprising:
a front flexible barge comprising a first elongated watertight container (10) of flexible fabric construction having an access port;
a back flexible barge comprising a second elongated watertight container of flexible fabric construction having an access port;
a flexible fabric towing sleeve (20), connecting said first container in end to end towing relationship to said second container;
and releasable fastening elements (22) on said sleeve for optionally disconnecting said barges from one another.
a front flexible barge comprising a first elongated watertight container (10) of flexible fabric construction having an access port;
a back flexible barge comprising a second elongated watertight container of flexible fabric construction having an access port;
a flexible fabric towing sleeve (20), connecting said first container in end to end towing relationship to said second container;
and releasable fastening elements (22) on said sleeve for optionally disconnecting said barges from one another.
7. A set of flexible barges according to claim 6 in which said fastening elements (22) comprise zipper elements.
8. A set of flexible barges according to claim 6 in which adjacent ends of said containers are spaced apart when said sleeve (22) is in towing tension.
9. A set of flexible barges according to claim 6 in which a flexible towing cone (26) is connected to said front barge at the front.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/103,287 US5413065A (en) | 1993-08-06 | 1993-08-06 | Flexible fabric barge |
| US08/103,287 | 1993-08-06 | ||
| PCT/US1994/008817 WO1995004675A1 (en) | 1993-08-06 | 1994-08-04 | Flexible fabric barge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2168360A1 CA2168360A1 (en) | 1995-02-16 |
| CA2168360C true CA2168360C (en) | 2005-10-25 |
Family
ID=35311629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002168360A Expired - Fee Related CA2168360C (en) | 1993-08-06 | 1994-08-04 | Flexible fabric barge |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2168360C (en) |
-
1994
- 1994-08-04 CA CA002168360A patent/CA2168360C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2168360A1 (en) | 1995-02-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |