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Topic: Float glass


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In the News (Sat 22 Nov 08)

  
  Float glass - Wikipedia, the free encyclopedia
Float glass is sheet glass made by floating the molten glass on a bed of molten tin.
Glass of lower quality, sheet glass, was made by drawing upwards from a pool of molten glass a thin sheet, held at the edges by rollers.
Float glass is made by melting raw materials consisting of sand, limestone, soda ash, dolomite, iron oxide and salt cake.
en.wikipedia.org /wiki/Float_glass   (594 words)

  
 FLOAT GLASS TECHNOLOGY
Float glass is virtually distortion and defect free, making it ideal for various premium glazing applications in buildings and homes or for automotive glass along with hundreds of other glass fabrications.
Float glass is made from a combination of several ingredients such as sand, soda ash, dolomite, limestone, salt cake, and cullet.
The float furnace atmosphere is controlled by a mixture of nitrogen and hydrogen gas to prevent the tin from oxidizing.
ajzonca.tripod.com /glassprocess.html   (861 words)

  
 Pilkington Float Glass   (Site not responding. Last check: 2007-11-03)
Sheet glass was made by drawing the viscous molten glass vertically from the surface of the tank’s working end, and cooling the ribbon to the point where its surface was hard before it came in contact with the drawing rollers.
The team made an important discovery: when the glass was held for one minute at the 1040° C temperature needed to eliminate its surface irregularities, a combination of surface tension and gravity effects caused it to form at an equilibrium thickness of 7 mm (0.275 inches).
The standard width of plate glass made by Pilkington Brothers was 2.5 meters, and the average speed of producing 6.0 mm glass was 4 meters/minute.
www.shkaminski.com /Classes/Readings/Pilkington.htm   (5376 words)

  
 glass.org - Industry Resources
Float glass is a term that refers to a process of making glass that was perfected in 1959 by Pilkington Brothers, Ltd. of England.
Float glass is made by pouring the molten glass from a furnace into a chamber that contains a bed of molten tin.
The atoms coat the surface of the glass uniformly.
www.glass.org /indres/info.htm   (4161 words)

  
 Glass - Float Glass
Float glass is manufactured using a melt process whereby recycled glass, silica sand, lime, potash and soda are melted in a furnace and floated onto a bed of molten tin.
Glass is used for windows for aesthetic and functional reasons, allowing the occupants to see out and at the same time allowing light in.
Float glass is becoming more and more popular in commercial applications as it allows structures to be constructed that give the impression of being outside with the benefits of being inside protected from the elements (with the exception of the sun).
www.azom.com /details.asp?ArticleID=89   (421 words)

  
 Float Glass Colors - Sundance Art Glass Center
Float glass, or as it is sometimes called, window glass, is a popular way to fuse glass.
Float glass is inexpensive and often free when saved from your local commercial glass company.
Float glass is produced by flowing the melted glass over a bed of molten tin.
www.artglass1.com /float-glass-colors.htm   (379 words)

  
 GLASS ON WEB - Glass Manual - Production of glass
The raw materials (soda lime glass, silica sand, calcium, oxide, soda and magnesium) are properly weighted and mixed and then introduced into a furnace where they are melted at 1500° C. The molten glass then flows from the glass furnace onto a bath of molten tin in a continuous ribbon.
The glass, which is highly viscous, and the tin, which is very fluid, do not mix so that the contact surface between these two materials is perfectly flat.
This describes glass made through a rolling process, whereby the semi-molten glass is squeezed between metal rollers to produce a ribbon with pre-defined thicknesses and patterned surfaces.
www.glassonweb.com /glassmanual/topics/index/production.htm   (241 words)

  
 Armstrong Glass Supplies Float Glass for Glass Slumping, Fusing, Etching, Sand-blasting and Draping
There are many manufacturers of float glass throughout the world, but the standard COE is between 79 and 85.
The side of the clear float glass that produces a glow when the UV light is shone on it is the tin side.
between two pieces of float glass, be sure the tin side of each piece of clear float glass is to the outside.
www.armstrongglass.com /FloatFire.asp   (319 words)

  
 Float Glass Technology - Stewart Engineers - Technology
The technology employed in the float bath furnace is considered to be proprietary intellectual property by all legitimate float glass technology providers.
This furnace is called a Float Bath because the glass “floats” in an even layer on the perfectly smooth surface of the molten tin.
The scrap cullet is glass that has been cut off in the cutting and packing line due to defects or the standard edge trim that is due to the marks left by the top roll machine.
www.stewartengineers.com /techfaq.html   (914 words)

  
 Borofloat glass Technical Information
BOROFLOAT® 33 is a borosilicate float glass 3.3 to DIN ISO 3585.
Furthermore, when glasses and glassceramics are subjected to a mechanical load, the build-up of critical stressat the points of such nicks and cracks cannot be relieved by plastic flow, asis possible with such materials as metals.
The consequence of this behaviour is that the structurally caused highstrength of glasses and glass ceramics (»= 1 04 N/mm2) is irrelevant in practice.
www.spectraglass.co.uk /tech_info/borofloat_info.htm   (915 words)

  
 Float Glass
The domestic float glass industry suffered significant overall impairment in its condition in terms of loss of market share, inability to increase domestic sales proportionate to the growth in domestic demand, and substantial losses in operations during the ending year of the POI.
The existence of a causal link between the increased imports of float glass and serious injury to the domestic industry having been established, the Commission recommended the imposition of definitive general safeguard measures in the form of tariff-rate quota and specific duty to be imposed on imports of float glass.
All importers of float glass, regardless of port of exportation, are required to secure a Certificate of Country of Origin (CO) issued by the authorized agency/office in the source country of manufacture as authenticated by the Philippine Embassy/Consulate thereat.
www.tariffcommission.gov.ph /float_glass.htm   (1059 words)

  
 Glass Floats - Finders Keepers!
Used by Japanese fishing crews to float their nets, these spheres were as small as two inches (5 cm) or as large as two feet (.6 m).
Those who came in search of a float often found their way to area galleries, where unnumbered floats were available for sale along with a dizzying array of fine art glass from around the world.
Floats are not hidden on the beaches during storms.
www.oregoncoast.org /pages/glass-floats.html   (482 words)

  
 Gl@ss Resource.com
Sheet glass - glass made by drawing it vertically in a ribbon from a furnace - was cheaper than polished plate glass because it was not ground or polished, but it was unacceptable for high-quality applications because the production method imparted some distortion.
Today (circa 1986) the float glass process is licensed to thirty-five companies in twenty-nine countries and the Pilkington Group itself operates fourteen plants - six in North America, three in Britain, three in Germany, one in Sweden and one in South Africa.
One in five of all the cars made in the world use Pilkington glass, and the company is now developing a range of glass auto components, from engine parts to body panels, which are so tough and shatter-proof that within the next decade they could replace much of the steel used in the industry.
www.glass-resource.com /sneakpeek/sample2.htm   (1015 words)

  
 machine vision news/ The optical inspection of float glass
Flat glass is often processed further: it may be tempered, toughened and laminated to improve its strength and safety qualities.
Glass properties such as wedge shape, edge distortion and thickness are the main areas which have been studied, and the results of the research have been exploited in the design and construction of new instruments.
In the production process the glass sheet is moved forwards on a roller conveyor, the movement being facilitated by the use of rotators at both edges of the solidifying glass.
www.automaatioseura.fi /jaostot/mvn/mvn4/floatglass.html   (1086 words)

  
 Steven Miller's About Japanese Glass Floats Page   (Site not responding. Last check: 2007-11-03)
Glass floats are classified based on several attributes, primarily shape, size, color, markings, and condition.
Floats outside this range are much less common, the complete range of sizes, measured without nets is about 1.4" to 19" in diameter or 4.5" to 58" in circumference.
On small floats, the mark is usually on the button seal except for the mold float which has a numeral on the side or on the top.
home.comcast.net /~4miller/aboutfloats/about.html   (2556 words)

  
 Glass float - Wikipedia, the free encyclopedia
Glass floats, glass fishing floats, or Japanese glass fishing floats are popular collectors’ items.
Glass floats have since been replaced by aluminum, plastic, or Styrofoam.
Small glass floats found while beachcombing in Hokkaido Japan.
en.wikipedia.org /wiki/Glass_float   (1042 words)

  
 Float glass   (Site not responding. Last check: 2007-11-03)
The result was molten glass emerging from the furnace to then float on top of a bath of molten tin.
It was eventually realised that the accidental breaking of the spout from which the glass poured from the furnace, which had been noticed, has been the reason for the good glass.
Some 90% of the plate glass in the world is made using the same basic technology, and Pilkington continues to innovate in glass technology with ideas such as self-cleaning glass.
www.ideas21.co.uk /318   (788 words)

  
 GLASS ON WEB - Glass Manual - Float glass
The term "float" glass derives from the production method, introduced in the UK by Sir Alastair Pilkington in the late 1950's, by which 90% of today's flat glass is manufactured.
The raw materials (silica sand, calcium, oxide, soda and magnesium) are properly weighted and mixed and then introduced into a furnace where they are melted at 1500° C. The molten glass then flows from the glass furnace into a bath of molten tin in a continuous ribbon.
The glass, which is highly viscous, and the tin, which is very fluid, do not mix and the contact surface between these two materials is perfectly flat.
www.glassonweb.com /glassmanual/topics/index/float.htm   (222 words)

  
 Float Glass   (Site not responding. Last check: 2007-11-03)
SISECAM "float" glass is the basic material for architectural purposes.
Float glass production is based on "floating" the molten glass on molten tin.
This process allows the glass surface to be perfectly parallel and completely free from surface defects.
www.sisecam.com /products/Duzcam/FLOAT/float.html   (102 words)

  
 CFD Flow Modeling for the Glass Industry - Float Glass Forming
The molten glass is conveyed on a molten tin bath and is stretched laterally by rolls to enhance ribbon width while it simultaneously cools and solidifies.
At the beginning of the ribbon (left), the glass is exiting the furnace across a thin slit at a given temperature.
Float glass forming was successfully modeled by Dr. Rajiv Tiwary and Dr. C.K. Edge of PPG Industries, Inc. using FIDAP.
www.fluent.com /solutions/examples/x32.htm   (238 words)

  
 molofloatredwineglasses
Float red wine glasses by Todd MacAllen and Stephanie Forsythe of Molo Design are carefully handcrafted by master glassblowers in the Czech Republic using the highest quality German borosilicate glass.
The suspended bowl design at the bottom of the glasses serves to elevate condensation away from the table surface, making the use of a coaster unnecessary.
Whatever you serve, it is the liquid inside which is emphasized, becoming a lens of liquid color, suspended within the glass, projecting a play of colored light onto the table surface.
www.greenergrassdesign.com /molofloatredwineglasses.html   (135 words)

  
 Armstrong Glass
Float Fire 82® fusing glass has a COE of 82 +/-3 and can be fused with standard clear window glass.
Because the COE of float glass among manufactures varies within a range between 79 and 85, we recommend testing for the appropriate firing temperatures.
You must have a UV light in order to determine the proper side of the float glass that you wish to fuse on.
www.armstrongglass.com /GlassType.asp?i=F   (103 words)

  
 Float Glass Tile Colors Combinations
GlassTileUSA is the exclusive importer of an exciting new range of Float Glass Tile, available in 30 glowing colors.
The tile is suitable for interior and exterior use, including wet applications such as showers and pools; the recommended installation method is to use good quality thin-set tile cement and grout.
You can use Float Glass for floors but please call us for technical support before the installation.
www.glasstileusa.com /source/float_glass_tiles.html   (250 words)

  
 NEWPORT GLASS WORKS, LTD. A FULL SERVICE FABRICATOR, TELESCOPE KITS, MIRRORS, TECHNICAL BOOKS, MOLDED GLASS BLANKS, ...
Plate glass (historically known as window glass) was the name applied to glass sheets that were mechanically ground and polished.
Most of these glasses can be tempered (heat or chemical tempered) to increase their strength and heat resistance.
Although float glass has a commerical thickness range of only.040 to 1.250 inches, custom fabrication can produce parts measuring several inches in thickness down to thicknesses measured in thousandths of an inch.
www.newportglass.com /float.htm   (566 words)

  
 Float History
Trademarks or embossing began appearing on the floats to identify the users and manufacturers of the floats.
Most floats are shades of green because the glass used was primarily recycled sake (wine) bottles, but clear, amber, aquamarine, amethyst, blue and other colors were also produced.
These soon began to replace glass floats since they were more durable and could provide holes or eye features that made net attachment easier and more reliable.
users.techline.com /debadoo/html/float_history.html   (464 words)

  
 Float glass, properties and preparation
The glass used is generally standard float glass for most window and mirrors.
Glass is cast onto a bed of tin, hence the name "float glass".
This mottling is integral with the glass and can't be removed.
www.goldreverre.com /technique/glass.html   (438 words)

  
 Float Glass Inspection
FastScan II products have been specially developed to inspect float glass as it is made - at speeds of up to 25 metres/minute in ribbons up to 5 metres wide.
All existing glass inspection systems, both laser and camera based, make use of the light passing through the glass.
However, some light is reflected from the top surface of the glass, and the new FastScan Reflex collects this light in a new detection channel.
www.imageautomation.com /fastscan/markets/floatglass.html   (553 words)

  
 Pilkington Glass History thru 1970's
Pilkington announced the float glass process in 1959 but further development work was necessary before the process could be fully exploited commercially.
In 1974, recognising the importance of establishing a float glass manufacturing base in northern Europe, Pilkington began construction of a plant at Halmstad, Sweden.
In glass fibres, a new factory for manufacturing glass fibre reinforcements was opened in Wrexham in 1971, and in 1976 capacity for insulation products was increased with the opening of a new factory at Pontyfelin, South Wales.
www.glasslinks.com /newsinfo/pilk_history.htm   (2262 words)

  
 The Jennifer L. Sears Glass Art Studio
In 1971 the second studio was built, and on July 5 the first piece of glass was made in their new geodesic dome.
Stained Glass classes are taught on an individual basis and tailored to be flexible for the student.
Tailored to the total beginner who has never worked with glass before, this short class is perfect for families and kids from 6 to 96.
www.oregoncoast.org /foundry   (1196 words)

  
 Float Glass | Business solutions from AllBusiness.com
Serving the construction industry are Hunguard Kft, a float glass factory owned by Guardian, Construction Glass Factory in Miskolc and Salgotarjan Glassfibre Co. held by...
There are four float glass lines in operation in Brazil, each line with a nominal production capacity of approximately 600 tonnes/day.
Following the official inauguration of its new float glass plant in England in April this year, Saint-Gobain Glass UK Ltd is now looking to increase...
www.allbusiness.com /float-glass/3068551-1.html   (641 words)

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