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A bathtub, also known simply as a bath or tub, is a container for holding water in which a person or animal may bathe. Most modern bathtubs are made of
thermoformed Thermoforming is a manufacturing process where a plastic sheet is heated to a pliable forming temperature, formed to a specific shape in a mold, and trimmed to create a usable product. The sheet, or "film" when referring to thinner gauges and cert ...
acrylic Acrylic may refer to: Chemicals and materials * Acrylic acid, the simplest acrylic compound * Acrylate polymer, a group of polymers (plastics) noted for transparency and elasticity * Acrylic resin, a group of related thermoplastic or thermosett ...
, porcelain-enameled
steel Steel is an alloy made up of iron with added carbon to improve its strength and fracture resistance compared to other forms of iron. Many other elements may be present or added. Stainless steels that are corrosion- and oxidation-resistant ty ...
or
cast iron Cast iron is a class of iron–carbon alloys with a carbon content more than 2%. Its usefulness derives from its relatively low melting temperature. The alloy constituents affect its color when fractured: white cast iron has carbide impuriti ...
, or
fiberglass Fiberglass (American English) or fibreglass (Commonwealth English) is a common type of fiber-reinforced plastic using glass fiber. The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into glass cloth ...
-reinforced
polyester Polyester is a category of polymers that contain the ester functional group in every repeat unit of their main chain. As a specific material, it most commonly refers to a type called polyethylene terephthalate (PET). Polyesters include natural ...
. A bathtub is usually placed in a
bathroom A bathroom or washroom is a room, typically in a home or other residential building, that contains either a bathtub or a shower (or both). The inclusion of a wash basin is common. In some parts of the world e.g. India, a toilet is typically i ...
, either as a stand-alone fixture or in conjunction with a
shower A shower is a place in which a person bathes under a spray of typically warm or hot water. Indoors, there is a drain in the floor. Most showers have temperature, spray pressure and adjustable showerhead nozzle. The simplest showers have a ...
. Modern bathtubs have overflow and waste drains and may have taps mounted on them. They are usually built-in, but may be free-standing or sometimes sunken. Until acrylic thermoforming technology permitted other shapes, virtually all bathtubs used to be roughly rectangular. Bathtubs are commonly white in color, although many other colors can be found. Two main styles are common: * Western style bathtubs in which the bather lies down. These baths are typically shallow and long. * Eastern style bathtubs in which the bather sits up. These are known as ''
furo , or the more common and polite form , is a Japanese bath and/or bathroom. Specifically it is a type of bath which originated as a short, steep-sided wooden bathtub. Baths of this type are found all over Japan in houses, apartments and tra ...
'' in Japan and are typically short and deep.


History of bathtubs and bathing

Documented early plumbing systems for bathing go back as far as around 3300 BC with the discovery of copper water pipes beneath a palace in
ancient Europe The expression Ancient Europe may be used in a variety of senses: *The ancient concept of ''Europa'' in Greek geography, in origin "the landmass adjacent to Thrace" ** Europa (ancient geography) **Europa (Roman province), in the Diocese of Thrace * ...
. Evidence of the earliest surviving personal sized bath tub was found on the Isle of
Crete Crete ( el, Κρήτη, translit=, Modern: , Ancient: ) is the largest and most populous of the Greek islands, the 88th largest island in the world and the fifth largest island in the Mediterranean Sea, after Sicily, Sardinia, Cyprus, and ...
where a long pedestal tub was found built from hardened pottery. The clawfoot tub, which reached the apex of its popularity in the late 19th century, had its origins in the mid 18th century, when the ball and claw design originated in the
Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...
, possibly artistically inspired by the Chinese motif of a
dragon A dragon is a reptilian legendary creature that appears in the folklore of many cultures worldwide. Beliefs about dragons vary considerably through regions, but dragons in western cultures since the High Middle Ages have often been depicted as ...
holding a precious stone. The design spread to England, where it found much popularity among the
aristocracy Aristocracy (, ) is a form of government that places strength in the hands of a small, privileged ruling class, the aristocracy (class), aristocrats. The term derives from the el, αριστοκρατία (), meaning 'rule of the best'. At t ...
, just as
bathing Bathing is the act of washing the body, usually with water, or the immersion of the body in water. It may be practiced for personal hygiene, religious ritual or therapeutic purposes. By analogy, especially as a recreational activity, the term is ...
was becoming increasingly fashionable. Early bathtubs in England tended to be made of cast iron, or even tin and copper with a face of paint applied that tended to peel with time. The Scottish-born inventor David Buick invented a process for bonding
porcelain enamel Vitreous enamel, also called porcelain enamel, is a material made by fusing powdered glass to a substrate by firing, usually between . The powder melts, flows, and then hardens to a smooth, durable vitreous coating. The word comes from the Lati ...
to
cast iron Cast iron is a class of iron–carbon alloys with a carbon content more than 2%. Its usefulness derives from its relatively low melting temperature. The alloy constituents affect its color when fractured: white cast iron has carbide impuriti ...
in the 1880s while working for the Alexander Manufacturing Company in
Detroit Detroit ( , ; , ) is the largest city in the U.S. state of Michigan. It is also the largest U.S. city on the United States–Canada border, and the seat of government of Wayne County. The City of Detroit had a population of 639,111 at th ...
. The company, as well as others including
Kohler Company Kohler Co., founded in 1873 by John Michael Kohler, is an American manufacturing company based in Kohler, Wisconsin. Kohler is best known for its plumbing products, but the company also manufactures furniture, cabinetry, tile, engines, and g ...
and
J. L. Mott Iron Works The J. L. Mott Iron Works was an American hardware dealer and manufacturer during the late 19th century. It operated in New York and was relocated to Trenton, New Jersey, where it ceased operations in the 1920s. History The J. L. Mott Iron Work ...
, began successfully marketing porcelain enameled cast-iron bathtubs, a process that remains broadly the same to this day. Far from the ornate feet and luxury most associated with clawfoot tubs, an early Kohler example was advertised as a "horse trough/
hog scalder A pig scalder is a tool that was used to soften the skin of a pig after it had been killed to remove the hair from its skin. Because people rarely slaughter and process their own pigs anymore, pig scalders are seldom used for domestic use. Moder ...
, when furnished with four legs will serve as a bathtub." The item's use as a hog scalder was considered a more important marketing point than its ability to function as a bathtub. In the latter half of the 20th century, the once popular clawfoot tub morphed into a built-in tub with a small apron front. This enclosed style afforded easier maintenance and, with the emergence of colored sanitary ware, more design options for the homeowner. The Crane Company introduced colored bathroom fixtures to the United States market in 1928, and slowly this influx of design options and easier cleaning and care led to the near demise of clawfoot-style tubs. In the 1960s fiberglass bathtubs became the standard for homes, being lightweight and inexpensive. James R. Wheeler and his brother Richard in 1979 adapted the acrylic being used for outdoor spas to make acrylic bathtubs. Working with Spartech Plastics, they developed the modern co-extruded and durable acrylic bathtub. The company American Bath Factory was the first to expand the diversity of acrylic bathtubs to include whirlpools, clawfoot bathtubs, and a large variety of pedestal and modern bathtubs. The process for enamelling cast iron bathtubs was invented by the Scottish-born American
David Dunbar Buick David Dunbar Buick (September 17, 1854 – March 5, 1929) was a Scottish-born American Detroit-based inventor, best known for founding the Buick Motor Company. He headed this company and its predecessor from 1899–1906, thereby helping to ...
.


Types


Clawfoot tub

The clawfoot tub was considered a luxury item in the late 19th century, originally made from cast iron and lined with porcelain. Modern technology has contributed to a drop in the price of clawfoot tubs, which may now be made of fiberglass, acrylic or other modern materials. Clawfoot tubs usually require more water than a standard bathtub, because generally they are larger. While true antique clawfoot tubs are still considered collectible items, new reproduction clawfoot tubs are chosen by remodelers and new home builders and much like the Western-style bathtubs, clawfoot tubs can also include a variety of shower head options. Clawfoot tubs come in four major styles: * Classic roll rim tubs, also called roll top tubs or flat rim tubs as seen in the picture at the top of this page. * Slipper tubs – where one end is raised and sloped creating a more comfortable lounging position. * Double slipper tubs – where both ends are raised and sloped. * Double ended tubs – where both ends of the tub are rounded, as opposed to the classic roll rim tub, which has one rounded end and one fairly flat end.


Pedestal tubs

Pedestal tubs rest on a pedestal in what many would term an
art deco Art Deco, short for the French ''Arts Décoratifs'', and sometimes just called Deco, is a style of visual arts, architecture, and product design, that first appeared in France in the 1910s (just before World War I), and flourished in the Unite ...
style. Evidence of pedestal tubs dates back to the island of
Crete Crete ( el, Κρήτη, translit=, Modern: , Ancient: ) is the largest and most populous of the Greek islands, the 88th largest island in the world and the fifth largest island in the Mediterranean Sea, after Sicily, Sardinia, Cyprus, and ...
around 1000 BC.


Baby bathtub

A baby bathtub is one used for bathing infants, especially those not yet old enough to sit up on their own. These can be either a small, stand-alone bath that is filled with water from another source, or a device for supporting the baby that is placed in a standard bathtub. Many are designed to allow the baby to recline while keeping its head out of the water.


Hot tubs

Hot tubs are common heated pools used for relaxation and sometimes for therapy. Hot tubs became popularized in the U.S. during the early hippie era (1967–1980), appearing in films and music.


Whirlpool tubs

Whirlpool tubs first became popular in the U.S. during the 1960s and 1970s. A spa or hot tub is also called a "jacuzzi" since the word became a generic after plumbing component manufacturer
Jacuzzi Jacuzzi Brands LLC (; ), through its subsidiaries, is a global manufacturer and distributor of branded baths, hot tubs, pools, saunas and, formerly, aircraft. Founded in 1915 by the Italian family of the same name, Jacuzzi is a federally regist ...
introduced the "Spa Whirlpool" in 1968. Air bubbles may be introduced into the nozzles via an air-bleed
venturi pump A vacuum ejector, or simply ejector is a type of vacuum pump, which produces vacuum by means of the Venturi effect. In an ejector, a working fluid (liquid or gaseous) flows through a jet nozzle into a tube that first narrows and then expands in ...
.


Freestand bathtubs

''Freestanding tubs'' have become popular in recent years as a result of larger bathrooms being constructed. Freestanding bathtubs may be made from various materials such as stone resin, cast stone, acrylic, cast iron, fiberglass, porcelain, copper, and cement.


Soft bathtubs

''Soft tubs'' are made from soft plastic or foam with a protective non-slip coating. While soft tubs have been available since the 1970s, by the 1990s they were being sold by major manufacturers. The tubs are typically marketed for children and the elderly, to prevent injury from falls.


See also


References

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