A tube, squeeze tube, or collapsible tube is a collapsible package which can be used for viscous liquids such as

toothpaste Toothpaste is a paste or gel dentifrice used with a toothbrush to clean and maintain the aesthetics and health of teeth. Toothpaste is used to promote oral hygiene: it is an abrasive that aids in removing dental plaque and food from the teeth, a ...

, artist's

paint Paint is any pigmented liquid, liquefiable, or solid mastic composition that, after application to a substrate in a thin layer, converts to a solid film. It is most commonly used to protect, color, or provide texture. Paint can be made in many ...

adhesive Adhesive, also known as glue, cement, mucilage, or paste, is any non-metallic substance applied to one or both surfaces of two separate items that binds them together and resists their separation. The use of adhesives offers certain advant ...

caulk Caulk or, less frequently, caulking is a material used to seal joints or seams against leakage in various structures and piping. The oldest form of caulk consisted of fibrous materials driven into the wedge-shaped seams between boards on w ...

, & ointments. Basically, a tube is a

cylindrical A cylinder (from ) has traditionally been a three-dimensional solid, one of the most basic of curvilinear geometric shapes. In elementary geometry, it is considered a prism with a circle as its base. A cylinder may also be defined as an infini ...

, hollow piece with a round or oval profile, made of

plastic Plastics are a wide range of synthetic or semi-synthetic materials that use polymers as a main ingredient. Their plasticity makes it possible for plastics to be moulded, extruded or pressed into solid objects of various shapes. This adaptab ...

paperboard Paperboard is a thick paper-based material. While there is no rigid differentiation between paper and paperboard, paperboard is generally thicker (usually over 0.30 mm, 0.012 in, or 12 Inch#equivalences, points) than paper and has certain ...

aluminum Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. It has ...

, or other metal. In general, on one end of the tube body there is a round orifice, which can be closed by different caps and closures. The orifice can be shaped in many different ways: plastic

nozzle A nozzle is a device designed to control the direction or characteristics of a fluid flow (specially to increase velocity) as it exits (or enters) an enclosed chamber or pipe. A nozzle is often a pipe or tube of varying cross sectional area, a ...

s in various styles and lengths are most typical. The other end is sealed either by welding or by folding. Typical tube sizes range from 3ml to 300ml. Most tubes are designed to be dispensed with hand pressure, but some are used with a tube key at the base to help roll them up.

History

John Goffe Rand John Goffe Rand (27 January 1801–23 January 1873) was an American painter and inventor. He lived and worked in Boston, London, and New York. Rand invented and patented the first collapsible artist's paint Tube (container), tube. The tin tube a ...

, an American portrait painter, invented the squeezable metal tube in 1841 for paint."Collapsible", ''The New Yorker'', August 6, 1960, p. 20 Toothpaste in a tube was introduced by

Johnson & Johnson Johnson & Johnson (J&J) is an American multinational corporation founded in 1886 that develops medical devices, pharmaceuticals, and consumer packaged goods. Its common stock is a component of the Dow Jones Industrial Average and the company i ...

in 1889. Not much later, a

New London New London may refer to: Places United States *New London, Alabama *New London, Connecticut *New London, Indiana *New London, Iowa * New London, Maryland *New London, Minnesota *New London, Missouri *New London, New Hampshire, a New England town * ...

dentist,

Washington Sheffield Washington Wentworth Sheffield (April 23, 1827 – November 4, 1897) was an American dental surgeon best known for inventing modern toothpaste. With the help of his son Lucius T. Sheffield, he was also the first to sell the paste in collapsible t ...

, started selling toothpaste in lead tubes in the 1890s.

Materials

left, upA multi-layer plastic tube The earliest collapsible tubes were made of tin, zinc, or lead, sometimes coated with wax on the inside.Henry L. Palmer, "Improvement in preserving vegetable extracts"
US Patent 105,485
July 19, 1870 Aluminum tube caps and closures are generally threaded, as is the nozzle. Aluminium tubes generally have the far end folded several times after the contents have been added. The tube is typically

hermetically sealed A hermetic seal is any type of sealing that makes a given object airtight (preventing the passage of air, oxygen, or other gases). The term originally applied to airtight glass containers, but as technology advanced it applied to a larger categor ...

and nearly germ-free due to the high temperatures during the production process. The inside of the tube can be coated to prevent the material from reacting with the contents. Aluminum tubes are produced by

impact extrusion Impact extrusion is a manufacturing process similar to extrusion and drawing by which products are made with a metal slug. The slug is pressed at a high velocity with extreme force into a die or mold by a punch. Process The punch is attached to ...

from a small round blank. Designs can be printed onto the tube, using the

wet-in-wet Wet-on-wet, or ''alla prima'' (Italian, meaning ''at first attempt''), direct painting or au premier coup, is a painting technique in which layers of wet paint are applied to previously administered layers of wet paint. Used mostly in oil paint ...

offset printing method. Six tones are often used. The filled content can be squeezed out by finger pressure. The main characteristic of aluminium tubes is the total separation of the contents from the surrounding atmosphere; therefore, such tubes are especially suitable for the packaging of highly perishable contents. Aluminium tubes are used for cosmetics, pharmaceuticals, food, paint, and technical products. Tubes can also be produced in plastic, most commonly

polyethylene Polyethylene or polythene (abbreviated PE; IUPAC name polyethene or poly(methylene)) is the most commonly produced plastic. It is a polymer, primarily used for packaging ( plastic bags, plastic films, geomembranes and containers including bo ...

. Plastic tubes are used for cosmetics such as hand creams, and also some foodstuffs. The plastic tube retains its shape after each squeeze unlike laminate tubes such as toothpaste tubes. Plastic tubes can be highly decorated or have a special additive such as soft touch to make the tube more appealing during use or at the point of sale. Plastic tubes are produced by

extrusion Extrusion is a process used to create objects of a fixed cross-sectional profile by pushing material through a die of the desired cross-section. Its two main advantages over other manufacturing processes are its ability to create very complex c ...

. A sleeve is first produced on a specialised extrusion machine. It must be produced to a very high standard (for decoration purposes) and also to tight tolerances, compatible with automated processes after extrusion. Once the sleeve is produced, the tube head is fitted using an automated heading machine. Tube printing using specialised printing machines such as

silk screen printing Silk is a natural protein fiber, some forms of which can be woven into textiles. The protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons. The best-known silk is obtained from the coc ...

applies the desired decoration. The open tubes are typically filled and sealed at a separate facility. Multi-layer plastic tubes have become increasingly popular; they isolate the contents better from the air, allowing them to be used for a wider range of products, such as food.

Applications

Many commodities are commonly sold in collapsible tubes: *

Toothpaste Toothpaste is a paste or gel dentifrice used with a toothbrush to clean and maintain the aesthetics and health of teeth. Toothpaste is used to promote oral hygiene: it is an abrasive that aids in removing dental plaque and food from the teeth, a ...

, formerly metal, now of plastic * Viscous artists'

, including

oil paint Oil paint is a type of slow-drying paint that consists of particles of pigment suspended in a drying oil, commonly linseed oil. The viscosity of the paint may be modified by the addition of a solvent such as turpentine or white spirit, and varn ...

acrylic paint Acrylic paint is a fast-drying paint made of pigment suspended in acrylic polymer emulsion and plasticizers, silicone oils, defoamers, stabilizers, or metal soaps. Most acrylic paints are water-based, but become water-resistant when dry. Depe ...

, and concentrated watercolor paints (which must be diluted with water); typically metal * Pastes used in food, such as

anchovy paste Anchovy paste is a fish paste food product prepared using anchovies as a primary ingredient. It is used as a condiment and as an ingredient in various dishes, such as Scotch woodcock, and is a mass-produced product. It has been used for centuries ...

tomato paste Tomato paste is a thick paste made by cooking tomatoes for several hours to reduce the water content, straining out the seeds and skins, and cooking the liquid again to reduce the base to a thick, rich concentrate. It is used to impart an intens ...

mustard Mustard may refer to: Food and plants * Mustard (condiment), a paste or sauce made from mustard seeds used as a condiment * Mustard plant, one of several plants, having seeds that are used for the condiment ** Mustard seed, seeds of the mustard p ...

mayonnaise Mayonnaise (; ), colloquially referred to as "mayo" , is a thick, cold, and creamy sauce or dressing commonly used on sandwiches, hamburgers, composed salads, and French fries. It also forms the base for various other sauces, such as tartar ...

* Pharmaceutical

ointment A topical medication is a medication that is applied to a particular place on or in the body. Most often topical medication means application to body surfaces such as the skin or mucous membranes to treat ailments via a large range of classes ...

s *

Adhesive Adhesive, also known as glue, cement, mucilage, or paste, is any non-metallic substance applied to one or both surfaces of two separate items that binds them together and resists their separation. The use of adhesives offers certain advant ...

, glue, and

sealant Sealant is a substance used to block the passage of fluids through openings in materials, a type of mechanical seal. In building construction ''sealant'' is sometimes synonymous with ''caulking'' and also serve the purposes of blocking dust, s ...

s (larger quantities may use rigid caulk cartridges) * Other

cosmetics Cosmetics are constituted mixtures of chemical compounds derived from either natural sources, or synthetically created ones. Cosmetics have various purposes. Those designed for personal care and skin care can be used to cleanse or protect ...

and

gel A gel is a semi-solid that can have properties ranging from soft and weak to hard and tough. Gels are defined as a substantially dilute cross-linked system, which exhibits no flow when in the steady-state, although the liquid phase may still di ...

Notes

References

* Yam, K. L., "Encyclopedia of Packaging Technology", John Wiley & Sons, 2009, * Soroka, W, "Fundamentals of Packaging Technology", IoPP, 2002, *

Museum of Modern Art (New York) The Museum of Modern Art (MoMA) is an art museum located in Midtown Manhattan, New York City, on 53rd Street between Fifth and Sixth Avenues. It plays a major role in developing and collecting modern art, and is often identified as one of the ...

, "The Package", September 9-November 1, 195
exhibit catalog

External links

European Tube Manufacturers Association (etma)

The Tube Council of North America

How Its Made - Aluminum tubes
{{Authority control Containers