EP1657186A1 - Zusammenklappbarer Behälter mit mehreren Kammern - Google Patents

Zusammenklappbarer Behälter mit mehreren Kammern Download PDF

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Publication number
EP1657186A1
EP1657186A1 EP05256918A EP05256918A EP1657186A1 EP 1657186 A1 EP1657186 A1 EP 1657186A1 EP 05256918 A EP05256918 A EP 05256918A EP 05256918 A EP05256918 A EP 05256918A EP 1657186 A1 EP1657186 A1 EP 1657186A1
Authority
EP
European Patent Office
Prior art keywords
contiguous wall
tank according
fluid
collapsible tank
container
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.)
Withdrawn
Application number
EP05256918A
Other languages
English (en)
French (fr)
Inventor
Richard J. Reed
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.)
Avon Rubber and Plastics Inc
Original Assignee
Avon Rubber and Plastics Inc
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 Avon Rubber and Plastics Inc filed Critical Avon Rubber and Plastics Inc
Publication of EP1657186A1 publication Critical patent/EP1657186A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/16—Large containers flexible
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/54—Large containers characterised by means facilitating filling or emptying
    • B65D88/58—Large containers characterised by means facilitating filling or emptying by displacement of walls
    • B65D88/60—Large containers characterised by means facilitating filling or emptying by displacement of walls of internal walls
    • B65D88/62—Large containers characterised by means facilitating filling or emptying by displacement of walls of internal walls the walls being deformable

Definitions

  • the invention relates to a collapsible tank for storing fluid.
  • the invention relates to a collapsible multi-compartment tank for storing diverse fluids.
  • the invention relates to a collapsible tank having expandable and collapsible compartments for storing different or the same fluids.
  • the water can be stored in a collapsible tank, but the tanks for fuel, water, and other fluids are typically single purpose tanks because the material used in the tank construction must be compatible with the specific fluid stored therein.
  • the base material for these tanks is commonly made from a woven nylon that is coated with a flexible thermoplastic polymer to render the material impermeable to the specific fluid.
  • the tank comprises a woven nylon material coated with a polyether polymer when the tanks are to be used to store water and with a polyester polymer when the tanks are used for fuel storage.
  • a tank inventory must include multiple types of tanks corresponding to the different fluids compatible with each tank.
  • a collapsible multi-compartment tank comprises a unitary container formed of a first contiguous wall having an inner surface and an outer surface, the inner surface of the first contiguous wall defining a first compartment for storing a first fluid and a flexible partial container formed of a second contiguous wall having an inner surface, an outer surface and an open end.
  • the open end of the second contiguous wall is mounted to the first contiguous wall to divide the first contiguous wall into a first portion and a second portion and to form a second compartment between the inner surface of the second contiguous wall and the outer surface of the second portion of the first contiguous wall for storing a second fluid.
  • first contiguous wall and second contiguous wall can vary over a wide range depending on the intended uses of the tank.
  • the second contiguous wall is about half of the size of the first contiguous wall and the first and the second compartments have comparable maximum capacities.
  • the second portion of the first contiguous wall is flexible and is movable relative to the first portion of the first contiguous wall and relative to the second contiguous wall to change the relative potential volumes of the first and the second compartments.
  • an increase in the maximum volume of one of the first and the second compartments corresponds to a decrease in the maximum volume of the other of the first and the second compartments.
  • the maximum volumetric increase and decrease of the first and the second compartments are of substantially equal magnitude.
  • a fill/discharge assembly Typically, a vent, and a drain are mounted to each of the first contiguous wall and the second contiguous wall for filling and dispensing the liquid in each of the compartments.
  • the first contiguous wall preferably comprises a fluid barrier to prevent fluid in one of the compartments from leaching into another compartment.
  • the fluid barrier comprises an inner surface fluid barrier on the inner and outer surfaces of the first contiguous wall.
  • the inner surface fluid barrier and the outer surface fluid barrier comprise a polymer coating.
  • one of the inner surface fluid barrier and the outer surface fluid barrier comprises a polyester coating and the other of the inner surface fluid barrier and the outer surface fluid barrier comprises a polyether coating.
  • the second contiguous wall comprises an inner surface fluid barrier on the inner surface thereof.
  • the inner surface fluid barrier of the second contiguous wall comprises the same material as the outer surface fluid barrier of the first contiguous wall.
  • the inner surface fluid barrier of the second contiguous wall and the outer surface fluid barrier of the first contiguous wall comprises one of a polyester and a polyether coating.
  • first and second contiguous walls are joined together in a secure joint, preferably with a lap joint at a junction between the first contiguous wall and the second contiguous wall.
  • the lap joint is thermowelded.
  • the two or more compartments that are formed by the tank according to the invention can be filled with a wide variety of fluids.
  • the compartments may be filled different fluids, conceivable remarkably different fluids such as aqueous fluids, such as water, and organic fluids, such as fuel oil.
  • aqueous fluids such as water
  • organic fluids such as fuel oil.
  • the coatings on the inside surfaces of the compartments will be selected to provide a barrier to the fluids for which the tanks are adapted.
  • a collapsible tank comprises a flexible container having an interior surface that defines a maximum volumetric capacity and a flexible partition secured at its edges at the interior surface of the container to divide the interior of the tank into a first compartment with a first volume for storing a first fluid and a second compartment with a second volume for storing a second fluid.
  • the partition is of a size and pliability that it is movable within the container to reciprocally change the first and second volumes within the tank.
  • the partition is sized so that first and second compartments each have a maximum capacity comparable to the maximum volumetric capacity of the container.
  • a multi-compartment collapsible tank 10 can be used to store a single fluid, such as fuel or water, or two dissimilar fluids, such as water and fuel.
  • the tank 10 comprises a unitary container 12 having an inner surface 14 and an outer surface 16 and defining a first compartment 18 with a corresponding first volume.
  • the container 12 is formed from one or more pliable fabric panels that are thermowelded at the seams thereof to form a water tight compartment 18.
  • the tank 10 further comprises a partial container 22 formed from flexible panels that are thermowelded together at their seams to form inner and outer surfaces 24, 26 and an open end.
  • the open end of the partial container 22 is attached to the unitary container 12 at a central region of the container 12 through a continuous lap seam 50 to thereby form a second compartment 28 with a second volume with the outside surface 16 of that section of the unitary container 12 within the lap seam 50.
  • the wall of the partial container 22 is about half the size of the wall of the unitary container 12. That part of the wall of the container 12 that forms the second compartment 28 with partial container 22 is designated portion 12B whereas the other part of the wall of container 12 is designated portion 12A.
  • the unitary container 12 and the partial container 22 are made of a flexible material so that they can collapse onto themselves to form a compact configuration.
  • the unitary container 12 and the partial container 22 can be formed of woven nylon panels coated with a fluid barrier, such as a polymer, to render the nylon impervious to a first fluid stored in the first compartment 18 and to a second fluid stored in the second compartment 28.
  • a fluid barrier such as a polymer
  • the particular type of fluid barrier is selected based upon the types of fluids stored in the first and the second compartments 18, 28.
  • the inner surface 14 of the unitary container 12 is preferably coated with a polyether polymer
  • the second fluid is fuel
  • the outer surface 16 of the unitary container 12 and the inner surface 24 of the partial container 22 are coated with a polyester polymer.
  • the corresponding surfaces of the unitary container 12 and the partial container 22 are preferably coated to comply with requirements set by the United States Food and Drug Administration (FDA).
  • FDA United States Food and Drug Administration
  • the fluid barrier prevents leakage of the first and the second fluids from the tank 10 and also prevents cross contamination between the first and the second fluids.
  • the second portion 12B essentially functions as a flexible partition between the first portion 12A of the unitary container 12 and the partial container 22.
  • the second portion 12B can be viewed as a flexible partition within a collapsible tank formed by the first portion 12A of the unitary container 12 and the partial container 22.
  • the volumes of the first and second compartments 18, 28 are reciprocal and vary depending on the position of the second portion 12B relative to the first portion 12A and to the partial container 22. Because the partial container 22 and the second portion 12B are of substantially equal size, the maximum volume of the first and the second compartments 18, 28 is equal, as shown in Figs. 3 and 5.
  • the maximum volume of the first compartment 18 is achieved when the first compartment 18 is filled and the second compartment is empty so that the second portion 12B of the container 12 abuts or nearly abuts the inner surface 24 of the unitary container 22, as viewed in Fig. 3, and this condition corresponds to a minimum volume of the second compartment 28.
  • the maximum volume of the second compartment 18 is achieved when the second compartment 28 is filled and the first compartment 18 is empty so that the second portion 12B of the unitary container 12 abuts or nearly abuts the inner surface 14 of the first portion 12A, as viewed in Fig. 4, and this condition corresponds to a minimum volume of the first compartment 18.
  • the second portion 12B of the container 12 moves between these two extreme positions, as shown in Fig.
  • an increase in the volume of one of the first and the second compartments 18, 28 corresponds to a decreased of the same magnitude in the maximum volume of the other of the first and the second compartments 18, 28.
  • the maximum volumes of the first and the second compartments 18, 28 are reciprocal or compensatory such that the sum of the maximum volume of the first and the second compartments 18, 28 is substantially equal to the maximum volume of one of the individual compartments 18, 28.
  • the tank 10 further comprises a pair of fill/discharge assemblies 30, 32, a pair of vents 34, 36, and a pair of drains 38, 40, wherein one member of each pair corresponds to one of the first and the second compartments 18, 28.
  • the fill/discharge assembly 30, the vent 34, and the drain 38 are attached to the first portion 12A of the unitary container 12 and correspond to the first compartment 18.
  • the fill/discharge assembly 32, the vent 36, and the drain 40 are attached to the partial container 22 and correspond to the second compartment 28.
  • the fill/discharge assemblies 30, 32 are color coded or otherwise labeled or marked so that a user can distinguish between the first and the second compartment 18, 28 and thereby correctly match the first fluid with the first compartment 18 and the second fluid with the second compartment 28.
  • the fill/discharge assemblies 30, 32, the vents 34, 36, and the drains 38, 40 are industry standard components so that the tank 10 can be utilized with other fluid storage systems.
  • the partial container 22 is joined to the unitary container 12 at the lap joint 50, and the unitary container 12 is formed of multiple panels connected at lap joint seams (not shown). All of the lap joints are formed during a suitable joining process, such as thermowelding.
  • the lap joint 50 joining the partial container 22 to the unitary container 12 is constructed such that forces generated as a result of filling the second compartment 28 are directed in a shear vector as opposed to a peel vector. This construction produces a joint that has a breaking strength equal to that of the lap joint seams of the unitary container 12.
  • the tank 10 is under normal stresses associated with a conventional single compartment tank.
  • the tank 10 can be constructed to have any desired capacity, and, preferably, the capacity of the tank 10 ranges from 100 to 50,000 gallons.
  • the lap joints are preferably about two inches wide so that the tank 10 is suitably strong to support such a large volume of fluid. Additionally, all of the lap joint seams are barrier-coated over the inner and outer surfaces to prevent fluid from wicking through the nylon.
  • the tank 10 is pliable so that it can be collapsed and folded into a compact mass for shipment and storage.
  • the user unfolds or unrolls the collapsed tank 10 onto a surface with the fill/discharge assemblies 30, 32 facing away from the surface. If the user desires to fill the tank with only the first fluid, then the user closes the drain 38, opens the vent 34, and attaches a hose to the fill/discharge assembly 30 and fills the first compartment 18 with a desired volume of the first fluid.
  • the user can fill the unitary container 12 to its maximum capacity, as illustrated in Fig. 3.
  • Fig. 4 illustrates the tank 10 when the partial container 22 is filled to its maximum capacity. If the user desires to fill the tank 10 with both the first and the second fluids, then the user conducts both of the steps described previously in this paragraph, in any order or simultaneously, such that both the unitary container 12 and the partial container 22 are partially filled, as shown, for example, in Fig. 5. When the filled tank 10 is not in use, the fill/discharge assemblies 30, 32, the vents 34, 36, and the drains 38, 40 are all in a closed condition.
  • the user can apply pressure to the tank 10 so that the tank 10 collapses and thereby forces the fluid to flow out of the first and the second compartments 18, 28, or, alternatively, the user can fill one of the first and the second compartments 18, 28 to displace the second portion 12B and thereby force the fluid to flow out of the other of the first and the second compartments 18, 28.
  • the tank 10 solely contains the first fluid
  • the user can open the fill/discharge assembly 30, attach a hose to the fill/discharge assembly 30, and apply pressure to the tank 10 to force the first fluid from the first compartment 18 and through the hose.
  • the user can open both the fill/discharge assemblies 30, 32, attach hoses to both the fill/discharge assemblies 30, 32, and fill the second compartment 28 with the second fluid.
  • the second portion 12B of the unitary container 12 moves towards the first portion 12A of the unitary container 12 to thereby reduce the volume of the first chamber 18 and force the first fluid through the hose attached to the fill/discharge assembly 30.
  • the first compartment 18 is in a discharge mode.
  • the situation is reversed for discharging the second fluid from the second container 28. If the tank 10 contains both the first and the second fluids, then the user can optionally discharge both fluids at the same time through the fill/discharge assemblies 30, 32.
  • the tank 10 can also be used to circulate fluids from one of the first and the second compartments 18, 28 to the other of the first and the second compartments 18, 28.
  • fresh water can be stored in one of the compartments, discharged from the compartment, used, and then stored in the other compartment as waste water.
  • fresh petroleum product can be stored in one of the compartments, discharged from the compartment, used, and then stored in the other compartment as waste petroleum product.
  • the tank 10 is a dual-compartment, multi-purpose, portable collapsible container for static storage of fluids.
  • the unique design of the tank 10 enables multiple means of circulation and/or storage of dissimilar and flowable petroleum, water, water-based fluid products, and other fluid products.
  • the tank 10 can be deployed multiple times in various locations to store the petroleum, water, water-based fluid products, or other fluid products. Further, because one tank 10 can be used to store more than one type of fluid and effectively replaces two types of tanks with one, the cost of inventorying collapsible containers is decreased.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Packages (AREA)
EP05256918A 2004-11-11 2005-11-08 Zusammenklappbarer Behälter mit mehreren Kammern Withdrawn EP1657186A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/904,465 US20060096990A1 (en) 2004-11-11 2004-11-11 Multi compartment collapsible tank

Publications (1)

Publication Number Publication Date
EP1657186A1 true EP1657186A1 (de) 2006-05-17

Family

ID=35707764

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05256918A Withdrawn EP1657186A1 (de) 2004-11-11 2005-11-08 Zusammenklappbarer Behälter mit mehreren Kammern

Country Status (3)

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US (1) US20060096990A1 (de)
EP (1) EP1657186A1 (de)
ES (1) ES2264408T1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008135277A1 (de) * 2007-05-04 2008-11-13 Büscherhoff Spezialverpackung Gmbh & Co. Kg Flexibler flüssigkeitstank
WO2009144235A1 (de) * 2008-05-30 2009-12-03 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes haushaltsgerät, insbesondere waschmaschine
WO2011051754A1 (en) * 2009-10-28 2011-05-05 Afyheim Ltd Multiple reservoir device
WO2013082589A1 (en) * 2011-12-01 2013-06-06 Gta Containers, Inc. Design and method of fabrication of collapsible storage tank
IT201900020226A1 (it) * 2019-11-04 2021-05-04 F A P S R L Dispositivo per il contenimento di liquidi, in particolare per impiego in ambito camperistico o nautico

Families Citing this family (11)

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US9010261B2 (en) 2010-02-11 2015-04-21 Allen Szydlowski Method and system for a towed vessel suitable for transporting liquids
US9521858B2 (en) 2005-10-21 2016-12-20 Allen Szydlowski Method and system for recovering and preparing glacial water
US8348083B2 (en) * 2009-02-10 2013-01-08 Oded Light Partitioned cereal bowl
US20110065062A1 (en) * 2009-09-14 2011-03-17 Blue Boa Llc Apparatus and Method for Hands-Free Fluid Evacuation
US9371114B2 (en) 2009-10-15 2016-06-21 Allen Szydlowski Method and system for a towed vessel suitable for transporting liquids
US8924311B2 (en) 2009-10-15 2014-12-30 World's Fresh Waters Pte. Ltd. Method and system for processing glacial water
US9017123B2 (en) 2009-10-15 2015-04-28 Allen Szydlowski Method and system for a towed vessel suitable for transporting liquids
US11584483B2 (en) 2010-02-11 2023-02-21 Allen Szydlowski System for a very large bag (VLB) for transporting liquids powered by solar arrays
WO2014058782A1 (en) * 2012-10-08 2014-04-17 Allen Szydlowski Method and system for a towed vessel suitable for transporting liquids
US10569929B2 (en) * 2015-06-23 2020-02-25 CONTAINEREVOLUTION S.r.l. Collapsible and reusable container of liquids
CN107031082B (zh) * 2017-04-18 2019-04-12 潍坊新力蒙水产技术有限公司 一种蓄水装置的制作方法

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FR2815021A1 (fr) * 2000-10-11 2002-04-12 Euroliners Dispositif cuve-reservoir pour emmagasinage de deux phases liquides sans contact

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GB794125A (en) * 1955-06-20 1958-04-30 Fireproof Tanks Ltd Fuel container
US3453164A (en) * 1963-04-19 1969-07-01 Goodyear Tire & Rubber Method of building fabric elastomeric containers
FR2375113A1 (fr) * 1976-12-23 1978-07-21 Bat Applic Revetements Plastiq Reservoir souple pour le stockage de liquide
JPS57194977A (en) * 1981-05-14 1982-11-30 Yokohama Rubber Co Ltd Flexible container and its use
US5199793A (en) * 1992-05-07 1993-04-06 Jackson Chad S Collapsible storage bag
FR2815021A1 (fr) * 2000-10-11 2002-04-12 Euroliners Dispositif cuve-reservoir pour emmagasinage de deux phases liquides sans contact

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008135277A1 (de) * 2007-05-04 2008-11-13 Büscherhoff Spezialverpackung Gmbh & Co. Kg Flexibler flüssigkeitstank
WO2009144235A1 (de) * 2008-05-30 2009-12-03 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes haushaltsgerät, insbesondere waschmaschine
WO2011051754A1 (en) * 2009-10-28 2011-05-05 Afyheim Ltd Multiple reservoir device
CN103153820A (zh) * 2009-10-28 2013-06-12 凃彦伯 复式储存装置
WO2013082589A1 (en) * 2011-12-01 2013-06-06 Gta Containers, Inc. Design and method of fabrication of collapsible storage tank
CN104302560A (zh) * 2011-12-01 2015-01-21 Gta集装箱公司 可折叠存储罐的设计与制造方法
CN104302560B (zh) * 2011-12-01 2016-12-21 Gta集装箱公司 可折叠存储罐的设计与制造方法
US9663290B2 (en) 2011-12-01 2017-05-30 Gta Containers, Inc. Method of fabrication of collapsible storage tank
IT201900020226A1 (it) * 2019-11-04 2021-05-04 F A P S R L Dispositivo per il contenimento di liquidi, in particolare per impiego in ambito camperistico o nautico
EP3815573A1 (de) * 2019-11-04 2021-05-05 F.A.P. S.R.L. Flüssigkeit enthaltende vorrichtung

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ES2264408T1 (es) 2007-01-01
US20060096990A1 (en) 2006-05-11

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