Bag-in-box

Type of container for the storage and transportation of liquids

Not to be confused with Boxing bag.

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A bladder pack and a complete bag-in-box Several bag-in-box containers (here, containing soft drink syrup), connected to a fountain drink system Filling machinery

A bag-in-box or BiB is a container for the storage and transportation of liquids.[1] It consists of a strong bladder (or plastic bag), usually made of several layers of metallised film or other plastics, seated inside a corrugated fiberboard box.[1] The BiB is used because of its easy transportation and ability to dispense liquids. It is mainly used in the food industry for transporting condiments and drinks, for transporting liquid chemicals, and for dispensing fertilizer for various farming practices.[1][2]

## Features

[edit]

The bag is supplied to the company which will fill it as an empty pre-made bag. The company filling the bag with its product generally removes the tap, fills the bag (with wine, juice or other liquid) and replaces the tap and then the bag is placed in the box.

The bags are available as singles for semi-automatic machines or as web bags, where the bags have perforations between each one. These are used on automated filling systems where the bag is separated on line either before the bag is automatically filled or after. Depending on the end use, there are a number of options that can be used on the bag instead of the tap. The bags can be filled from chilled product temperatures up to 85 °C (185 °F).

BiB packaging can be made using form seal fill (FSF) technology, where the bags are manufactured on-line from reels of film, then the FlexTap is inserted then filled on an integral rotary head filler. The BiB is currently used to package wine, soda fountain syrup products, milk, liquid chemicals, and water.

## History

[edit]

The first commercial BiB system was invented by American chemist William R. Scholle in 1955 for the safe transportation and dispensing of battery acid.[1] Scholle's invention inspired a "packaging revolution."[1] In 1991, Scholle was inducted into the packaging hall of fame for his invention.[3]

## Uses

[edit]

BiB has many common commercial applications. Among the most common ones are to supply syrup to soft drink fountains and to dispense bulk supplied condiments such as ketchup or mustard in the foodservice industry (especially in fast food outlets).[1] BiB technology is still used for its original application of dispensing sulfuric acid for filling lead-acid batteries in garages and dealerships. As explained further below, BiBs have also been implemented for consumer applications like boxed wine.[1]

For commercial syrup applications, the customer opens one end of the box (sometimes via a pre-scored opening) and connects a compatible connector to a built-in port on the bag to pump out its contents. The port itself contains a one-way valve which opens only under pressure from the attached connector and which prevents contamination of the syrup in the bag. For consumer applications like boxed wine, there is a tap already present on the bag which protrudes through a pre-cut hole on the box, so all the consumer has to do is locate the tap on the outside of the box.

Producers like BiB packaging because it is inexpensive. BiB also offers environmental benefits by allowing contents of 1.5–1,000 litres (0.4–264.2 US gal), so that less packaging or labeling is required. The material it is made from is lighter than the other plastic alternatives, providing it with a better carbon footprint.

One disadvantage of the plastic bags used in BiB technology is that plastic is allegedly less effective than more expensive packaging materials such as stainless steel in preserving the flavor of freshly-made soft drink syrup. McDonald's procures syrup for its soda fountains from The Coca-Cola Company in stainless steel tanks rather than BiBs for this reason.[4]

## Wine cask

[edit]

Main article: Box wine

A 4-litre cask of Australian white wine

The 'wine cask' was invented by Thomas Angove (1918–2010)[1][5] of Angove's, a winemaker from Renmark, South Australia, and patented by the company on April 20, 1965. Polyethylene bladders of 1 imperial gallon (4.55 litres) were put into corrugated boxes for sale to consumers. An original design required that the consumer cut the corner off the bladder inside the box, pour out the desired quantity of wine and then reseal it with a special peg.[6]

In 1967, Charles Malpas and Penfolds Wines patented a plastic, air-tight tap welded into an aluminised film bladder, making storage much more convenient for consumers.[1] All modern wine casks now utilise some sort of plastic tap, which is exposed by tearing away a perforated panel on the box.

The main advantage of BiB packaging is that it prevents oxidation of the wine during dispensing. Rather than working as a conventional tap, the bladder uses gravity pressure to squeeze the liquid out of the bladder, whereas a conventional barrel tap works by allowing incoming air to displace the contents. After opening wine in a bottle, it is oxidized by air in the bottle which has displaced the wine poured; wine in a bag is not touched by air and thus not subject to oxidation until it is dispensed. Cask wine is not subject to cork taint or spoilage due to slow consumption after opening.[7][8]

Although a promising technology, there have been production and design problems. The impermeable bladders tend to delaminate around the tap and where the two halves are joined. If tap components are deposited in the bladder during assembly, all the bladders must be destroyed to find the components as the bladders are opaque. It has also been difficult to manufacture taps that do not leak air into the bladder since tap parts usually do not join neatly, although there have been significant improvements. Most red wines require breathing before consumption which is not possible with casks, so the wine has air circulated through it before bottling (usually by running through a centrifuge), which reduces shelf life considerably. Most casks will have a best-before date stamped. As a result, it is not intended for cellaring and should be consumed within the prescribed period.

## Aseptic packaging

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Box of milk being placed in dispenser

BiB is also used extensively in the packaging of processed fruit and dairy products in aseptic processes. Using aseptic packaging equipment, products can be packed in aseptic packaging. Pasteurized or UHT treated products packed into this format can be "shelf-stable", requiring no refrigeration. Some products can have a shelf life of up to 2 years, depending on the type of bag that is used.

The key to this unique system is that the product being filled is not exposed to the external environment at any stage during the process and as such, there is no possibility of a bacterial load being added to the product during the filling process. To ensure there is no contamination from the packaging, the bag is irradiated after the bag manufacturing process.

These packs are typically from 10 to 1200 liters and offer the advantage of cheap, disposable and transport efficient packaging.

## See also

[edit]

* Corrugated box design
* Tetra Brik

## Notes

[edit]

1. ^ a b c d e f g h i Veseth, Mike (2015). Money, Taste, and Wine: It's Complicated!. Lanham, MD: Rowman & Littlefield. p. 70\. ISBN 9781442234642. Retrieved 17 November 2019.
2. ^ "Multifunctional agriculture of rural areas in federation of Bosnia and Herzegovina in process of transition". Ekonomika Poljoprivrede (2): 333. December 2010. Retrieved 9 January 2025.
3. ^ Packaging Hall of Fame
4. ^ Gelles, David (May 15, 2014). "Coke and McDonald's, Growing Together Since 1955". The New York Times. p. B3. Retrieved January 27, 2024.
5. ^ Lower, Gavin (March 31, 2010). "Thomas Angove, king of the cask, dead at 92". The Australian. Retrieved April 1, 2010.
6. ^ "Wine cask". Powerhouse Museum Sydney. Retrieved 2008-01-27.
7. ^ Colman, Tyler (August 17, 2008). "Drink Outside the Box". The New York Times.
8. ^ Colman, Tyler (July 16, 2009). "Box Wines That Can Be A Hit". Forbes.com.

## References

[edit]

* Soroka, Walter (2002). Fundamentals of Packaging Technology (3rd ed.). Naperville, Ill.: Institute of Packaging Professionals (IoPP). ISBN 1-930268-25-4. OCLC 51283742. Second edition (1999) at the Internet Archive.
* Yam, Kit L. (2009). The Wiley Encyclopedia of Packaging Technology (3rd ed.). Hoboken, N.J.: John Wiley & Sons. ISBN 978-0-470-08704-6. OCLC 361969419.

## External links

[edit]

* Media related to Bag-in-box at Wikimedia Commons

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Packaging

General
topics|

* Active packaging
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Product
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Containers|

* Aerosol spray dispenser
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Materials
and
components|

* Adhesive
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* Linear low-density polyethylene
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* Pallet
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* Polyester
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* Pressure-sensitive tape
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* Security printing
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* Tinplate
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Processes|

* Aseptic processing
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Machinery|

* Barcode printer
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Environment,
post-use|

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Category: Packaging

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Bags and flexible containers

Carried|

* Bayong
* Bindle
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* Bug-out bag
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* Dromedary bag
* Flight bag
* Gaji bag
* Grocery bag
* Hambiliya
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* Shell purse
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Worn|

* Backpack (Canoe pack, Duluth pack)
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Luggage|

* Bug-out bag
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* Holdall
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* Norfolk case
* Portmanteau
* Saddlebag
* Suitcase
* Toiletry bag
* Train case
* Travel pack
* Trunk

Postal|

* Catcher pouch
* Mail bag
* Mail pouch
* Mail sack
* Mail satchel
* Mochila
* Padded envelope
* Portmanteau

Containers|

* Antistatic bag
* Bag-in-box
* Bin bag
* Biodegradable bag
* Bota bag
* Coffee bag
* Flexible intermediate bulk container
* Boil-in-bag
* Fuel bladder
* Mashk
* Milk bag
* Packet (container)
* Paper bag
* Paper sack
* Parfleche
* Pastry bag
* Pipe bag
* Plastic bag
* Purdue Improved Crop Storage bags
* Reusable shopping bag
* Sachet
* Security bag
* Shopping bag
* Stand-up pouch
* Thermal bag
* Tobacco pouch
* Trash bag
* Wineskin
* Zipper storage bag

Purses/handbags|

* Bayong
* Birkin bag
* Coin purse
* Evening bag
* Gaji bag
* Gucci Diana
* Handbag
* It bag
* Kelly bag
* Kinchaku
* Lady Dior
* Messenger bag
* Minaudière
* Money bag
* Reticule
* Tote bag
* Wallet
* Wristlet

Other|

* Body bag
* Burn bag
* Cowboy bedroll
* Doggy bag
* Dry bag
* Electronic flight bag
* Feedbag
* Flour sack
* Gamow bag
* Gunny sack
* Poop bag
* Sandbag
* Showbag
* Sickness bag
* Sleeping bag
* Stuff sack
* Throw bag
* Zuckertüte

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