EP0883558A2 - Recipient contractile pour liquides - Google Patents
Recipient contractile pour liquidesInfo
- Publication number
- EP0883558A2 EP0883558A2 EP97901872A EP97901872A EP0883558A2 EP 0883558 A2 EP0883558 A2 EP 0883558A2 EP 97901872 A EP97901872 A EP 97901872A EP 97901872 A EP97901872 A EP 97901872A EP 0883558 A2 EP0883558 A2 EP 0883558A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- container according
- liquid
- kraft paper
- liquids
- 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- Withdrawn
Links
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
- B65D37/00—Portable flexible containers not otherwise provided for
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
Definitions
- the present invention relates to collapsible containers for liquids which comprise an inner bladder of plastic and an outer shell of Kraft paper enclosing said bladder.
- collapsible containers are predominantly adapted for liquid contents of 2 liters or less, since the stability and rigidity of the containers would not easily allow larger volumes.
- the present invention provides such collapsible, light-weight containers for liquids, e.g. liquid animal or human food.
- the most important field of application is the large-scale transportation and delivery of drinking-water.
- the invention is directed to collapsible containers for liquids, which comprise an inneF bladder of plastic containing said liquid and an outer shell of Kraft paper enclosing said bladder.
- the inner bladder is made of a flexible tube or sheet of plastic which is liquid- impermeable and heat sealable, e.g. by inductive welding.
- the outer shell of Kraft paper enclosing said inner bladder is made of a tube or sheet of paper and is sealed or closed with the aid of an adhesive, such as hot melt or tape.
- the inner bladder may be attached to the outer shell e.g. by spots of hot melt.
- the plastic of said inner bladder is a polyolefin, such as polyethylene, polypropylene, mixtures thereof or the like.
- the plastic of the collapsible container is a polyethylene.
- said plastic is selected from food-grade plastics, which in most cases are virgin plastics and not recycled waste.
- the quality of the Kraft paper is selected inter alia to match the size of the container of the invention, preferably from one, two or multi-play sack Kraft paper.
- the outer Iayer of the Kraft paper may be chosen for good printing quality and thus said outer Iayer is in one embodiment white.
- the Kraft paper should preferably be of a grade not introducing compounds causing off-flavor to said liquid.
- the collapsible container only has a sealed bladder, which contains a liquid, and an outer shell of Kraft paper enclosing said bladder. After transportation, the contents of the container are tapped off by puncture of both the shell and bladder, e.g. with the aid of a knife.
- the collapsible container is equipped with a device, e.g. a screw cap, enabling the tapping off of liquid contents from said container.
- a device e.g. a screw cap
- the container is equipped with a device comprising a valve, e.g. a tap, and enabling filling and tapping off, respectively, of liquid contents. Since the liquid contents can be tapped off without introducing air into the bladder, the collapsible container of the invention can be refilled, if desired, without extra sterilization of the container.
- a device comprising a valve, e.g. a tap, and enabling filling and tapping off, respectively, of liquid contents. Since the liquid contents can be tapped off without introducing air into the bladder, the collapsible container of the invention can be refilled, if desired, without extra sterilization of the container.
- the size of the containers of the invention may be chosen from a wide variety of sizes, e.g. adapted to liquid contents of from 3 to 500 liters. Further, the size may be adapted to standard pallets for easy lifting and transportation or to FFS or FBS standards (form fill and seal, and flexible block system respectively). Optionally, matching basket constructions may be provided.
- suitable sizes of the containers of the invention are such which are adapted to liquid contents of 5,10,15,20,25,30,40,50,60,70,80,90,100,125,150, 200, 250,300,350,400,450, and 500 liters, respectively.
- the collapsible container is used for transportation and distribution of water.
- said water is drinking-water.
- the container is made of renewable raw material in the form of paper and a relatively small proportion of plastic, compared with containers made of plastic only.
- the bladder of the container is easily separated from the paper shell.
- the paper may be recycled, composted or burnt.
- the plastic may be recycled or burnt. The energy from burning of the materials may be recovered. In this way resources are optimized.
- the present invention also comprises a disposable container.
- the container of the invention may be equipped with one or several handles, e.g. made of glass-fiber reinforced tape.
- Such a handle will be useful in lifting and keeping the container in an upright position.
- a heat sealable polyethylene tube of food-grade having a grammage of 140 g/m 2 was heat sealed at one end.
- the thus formed polyethylene sack was placed into the thus formed Kraft paper sack.
- 30 liters of drinking-water was filled into the polyethylene sack, which was subsequently heat sealed so that no air was left into the formed bulb.
- the mouth of the outer Kraft paper sack was closed by folding and with an adhesive, thus enclosing said inner water-containing bladder.
- a handle of glass-fiber reinforced tape was adhered to one end of the formed container. This handle was used to lift and hang the container in an upright position. To tap off the contained water, the container was punctured with a knife at the lowest end.
- Example 1 The same raw materials as in Example 1 were used.
- the size of the container was adapted for liquid contents of 200 liters.
- the collapsible container was first formed with an inner bladder made from the polyethylene tube, and an outer shell of Kraft paper made from the sack Kraft paper, and additionally a device comprising a valve secured near a corner of the formed double sack.
- the container was placed on a standard pallet and was then filled with water with the aid of a pistol nozzle matching the device comprising a valve. The container was subsequently lifted and transported on the pallet. The contained water was tapped off in small portions with the aid of the device.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Cartons (AREA)
Abstract
L'invention a trait à des récipients contractiles pour liquides. Ces récipients comportent une vessie intérieure en plastique, contenant un liquide, enfermée dans une enveloppe extérieure de papier Kraft. Les récipients selon l'invention se prêtent au stockage de quantités importantes de liquides, de l'ordre de 3 à 500 litres. Le transport d'eau sur une grande échelle constitue un important domaine d'application de ces récipients.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9600239 | 1996-01-23 | ||
SE9600239A SE9600239L (sv) | 1996-01-23 | 1996-01-23 | Hopfällbar beållare för vätskor |
PCT/SE1997/000088 WO1997027127A1 (fr) | 1996-01-23 | 1997-01-21 | Recipient contractile pour liquides |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0883558A2 true EP0883558A2 (fr) | 1998-12-16 |
Family
ID=20401120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97901872A Withdrawn EP0883558A2 (fr) | 1996-01-23 | 1997-01-21 | Recipient contractile pour liquides |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0883558A2 (fr) |
JP (1) | JP2001515437A (fr) |
AU (1) | AU1562297A (fr) |
CA (1) | CA2244133A1 (fr) |
SE (1) | SE9600239L (fr) |
WO (1) | WO1997027127A1 (fr) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1090432A (fr) * | 1953-06-27 | 1955-03-30 | Oreal | Récipient pour produits liquides et autres applications |
US4815631A (en) * | 1988-03-10 | 1989-03-28 | S. C. Johnson & Son, Inc. | Bag-in-box package |
JPH03504224A (ja) * | 1988-05-09 | 1991-09-19 | ヘンケル・コマンディットゲゼルシャフト・アウフ・アクチェン | バッグ・イン・ボックス型包装用折り畳み箱 |
US5156294A (en) * | 1991-02-14 | 1992-10-20 | Hoover Group, Inc. | Foldable box with internal bag |
-
1996
- 1996-01-23 SE SE9600239A patent/SE9600239L/ not_active Application Discontinuation
-
1997
- 1997-01-21 WO PCT/SE1997/000088 patent/WO1997027127A1/fr not_active Application Discontinuation
- 1997-01-21 JP JP52677697A patent/JP2001515437A/ja active Pending
- 1997-01-21 EP EP97901872A patent/EP0883558A2/fr not_active Withdrawn
- 1997-01-21 CA CA 2244133 patent/CA2244133A1/fr not_active Abandoned
- 1997-01-21 AU AU15622/97A patent/AU1562297A/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO9727127A1 * |
Also Published As
Publication number | Publication date |
---|---|
SE9600239D0 (sv) | 1996-01-23 |
AU1562297A (en) | 1997-08-20 |
WO1997027127A1 (fr) | 1997-07-31 |
CA2244133A1 (fr) | 1997-07-31 |
SE9600239L (sv) | 1997-07-24 |
JP2001515437A (ja) | 2001-09-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19980824 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Withdrawal date: 20000323 |