Tub (container)

Tub of cottage cheese, lid, and lidding film

Tubs of wood filler. Break-away tab releases lid from security band

Reusable plastic tub for home storage

Large tub being used as an ice chest

A tub is an open top circular or oblong container. It may have a separate or attached snap-on lid or cover; some tubs may have latched lids.

Tubs are used for a variety of packaging applications as well as household and industrial storage.

Construction

Many tubs are made of formed thermoplastics such as PET polyester, polystyrene, or polypropylene, Processes are either thermoforming or injection moulding. Tubs can also be formed of paperboard, molded pulp, and aluminum.

Some tubs have special microwave features such as susceptors^[1]

Tubs can have a heat sealed lidding film attached prior to the lid being placed on. Some tubs have a Tamper-evident band or security strip to indicate premature opening.

Several types of latches and means of lid attachment are available.^[2]

Both the body and lid of a tub can be printed or have attached labels.

Notes

↑ US 5214257 A, Riskey, "Tub-shaped packaging container for microwave popcorn", published 1993
↑ US 5322178 A, Foos, "One-hand operable latch for tub type container", published 1994

References

Look up tub in Wiktionary, the free dictionary.

Soroka, W, "Fundamentals of Packaging Technology", IoPP, 2002, ISBN 1-930268-25-4
Yam, K.L., "Encyclopedia of Packaging Technology", John Wiley & Sons, 2009, ISBN 978-0-470-08704-6

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Tub (container)

Construction

See also

Notes

References