Stackable polypropylene chair

A monobloc chair

The Monobloc chair is a lightweight stackable polypropylene chair, usually white in colour, often described as the world's most common plastic chair.[1] The name comes from mono- ("one") and bloc ("block"), meaning an object forged in a single piece.

History

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Variants of the one-piece plastic chair designed by Canadian D.C. Simpson in 1946 went into production with Allibert Group and Grosfillex Group in the 1970s.[2] Other sources name the French engineer Henry Massonnet from Nurieux-Volognat with his "Fauteuil 300" from 1972 as the inventor of the monobloc.[3] They were inspired by the Chair Universal 4867 design by Joe Colombo in 1965, but no patents were filed for a monobloc chair design.[4][5] Since then, millions have been manufactured around the world.

Production & Usage

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The Monobloc chair is so named because it is injection moulded from thermoplastic as one piece rather than being assembled from multiple pieces. Many variations and styles exist but all are designed to allow the chair to be made quickly and cheaply through injection molding. A common material used is thermoplastic polypropylene, with the granules being heated approximately 220 °C (428 °F), and the resulting melt injected into a mold.[6] The gate of the mould is usually located in the seat,[7] ensuring smooth flow to all parts of the tool.[citation needed][vague]

Close to a billion Monoblocs have been sold in Europe alone, with one Italian manufacturer producing over ten million a year in 2004. [8] The chairs cost approximately $3.50 to produce in 2011, making them both affordable and ubiquitous - in the billions -[9] worldwide. Numerous variants exist.[10] Their light weight and stackable design eases both their deployment and storage, even for large gatherings. [11] (One modern design weighs 2.7 kg, half that of the standard make, and can be stacked 24 high.)[12] They are also prevalent in both corporate and individual outdoor usage due to features such as the slits on seat and backrest which rain water and wind pass through, their wide base which resists their occupants tipping over, and their sheer utility and replaceability. [13]

Social reception

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The monobloc chair has been a controversial piece of furniture. Many people, including social theorist Ethan Zuckerman, have described the chair as having achieved a cultural global ubiquity]].[clarify][10] This quality has been seen as both a positive and a negative, with some considering the homogenous nature of the chair "disturbing" and "the real evil of globalization",[4][14] while others have called it one of "the world's most perfectly designed object[s]".[4]

Monobloc plastic chairs were briefly banned from public spaces in the city of Basel, Switzerland from 2008[15] to 2017[16][17] to preserve the beauty of cityscape.

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Exhibitions

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Gallery

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• Massed

• Stacked

• As flotsam

References

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Monobloc – A Chair for the World

17.03.– 09.07.2017

Schaudepot

It is the most widely used piece of furniture in the world: the white plastic chair. As the quintessential example of a mass consumer product, the Monobloc chair can be found wherever there is a need for cheap seating – be it in European gardens, African cafés or Asian restaurants. The exhibition »Monobloc – A Chair for the World«, 17 March to 9 July 2017, tells the story of this ubiquitous and little researched everyday item. Based on 20 objects, the show examines the history and the cultural connotations of a chair that has put its mark upon the world. »Monobloc« is the third temporary exhibition in the Schaudepot, built in 2016 and designed by Basel-based architects Herzog & de Meuron.

The idea of the so-called Monobloc chair is based on an old vision shared by many designers: to make a chair out of a single piece of material. Experiments with this idea date back to the 1920s – early attempts involved pressing sheet metal or bending laminated wood. Beginning in the 1950s, new plastics technology made it possible to fabricate chairs by moulding or pressing the material into the desired shape in a single production step. The moniker Monobloc is derived from this simple production method and the plain appearance of the resulting furniture pieces. The first mass-produced models include the Panton Chair (1958-68), conceived by Danish designer Verner Panton, the Bofinger Chair (1964-68) by German architect Helmut Bätzner, and the chair Selene (1961-68), a creation by Italian designer Vico Magistretti.

In 1972, the French engineer Henry Massonnet took these predecessors as a starting point for the design of his so-called Fauteuil 300, which is regarded as the archetype of the inexpensive plastic chair. By improving the efficiency of the manufacturing process, Massonnet was able to reduce the duration of the entire production cycle to less than two minutes. From the 1980s onward, more and more companies brought similar models onto the market.

As it has spread around the world, the Monobloc chair has come to represent the ambivalence of today’s consumer society. The plastic chair is the epitome of an affordable – and thus democratic – piece of furniture. At the same time, it does not meet sustainability criteria and exemplifies the global mass consumption of uniform products. Many contemporary designers have created new interpretations of the Monobloc that address these issues. Prominent examples are the Café Chair (2006) by Fernando and Humberto Campana, Respect Cheap Furniture (2009) by Martí Guixé, and Martino Gamper’s Monothrone (2017), which was created especially for this exhibition.

The exhibition is supplemented by extensive background information and images of the Monobloc in many different contexts – from garden parties to political crisis zones. The show gives insight into the technical development of the Monobloc and its specific cultural connotations. The same chair that is associated with disposable mass merchandise in some countries is considered a valuable object in others – and repaired rather than thrown away. The plastic chair stands for a pluralistic approach to design history beyond the classic canon. Precisely due to its multifaceted nature, the plastic chair symbolises the complexity of material culture in our time.



Opening Talk (DE) | 16 March 2017|6 pm
Jens Thiel – Monobloc: Short Anatomy of a Universal Chair
Schaudepot

Curator's Tour (DE) | 19 April 2017| 10 am
Curator Heng Zhi will guide through the exhibition.
7,00 € per person

ReDesigning the Monobloc! | Workshop | 10 June 2017 | 10:30 am
Schaudepot