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Billiard Ball
A billiard ball is a small, hard ball used in cue sports, such as carom billiards, pool, and snooker. The number, type, diameter, color, and pattern of the balls differ depending upon the specific game being played. Various particular ball properties such as hardness, friction coefficient, and resilience are important to accuracy. History Early balls were made of various materials, including wood and clay (the latter remaining in use well into the 20th century). Although affordable ox-bone balls were in common use in Europe, elephant ivory was favored since at least 1627 until the early 20th century; the earliest known written reference to ivory billiard balls is in the 1588 inventory of the Duke of Norfolk. Dyed and numbered balls appeared around the early 1770s. By the mid-19th century, elephants were being slaughtered for their ivory at an alarming rate, just to keep up with the demand for high-end billiard balls – no more than eight balls could be made from a single ...
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Billiard Ball Comparison
Billiard or billiards may refer to: Games * A , a type of shot in cue sports ''(see below)'' * Billiards: cue sports in general; the term "billiards" by itself is also sometimes used to refer to any of the following more specifically: ** Carom billiards (also known as French billiards), games in general (a chiefly non-British usage) ** Three-cushion billiards, even more specifically, the most popular form of carom billiards worldwide ** The specific game of English billiards (a chiefly British, Irish and Australian usage) ** Pool (cue sports) (pocket billiards) games, such as eight-ball and nine-ball, in general (a chiefly colloquial North American usage) * See the list of cue sports for various other games with "billiards" in their names; also more specifically: ** Pin billiards, a fairly large number of billiard games that use a pin, or a set of "pins", or "skittles" ** Bar billiards, a game combining elements of bagatelle and English billiards * Electric billiards, an obsolete ...
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John Wesley Hyatt
John Wesley Hyatt (November 28, 1837 – May 10, 1920) was an American inventor. He is mainly known for simplifying the production of celluloid. Hyatt, a Perkin Medal recipient, is included in the National Inventors Hall of Fame. He had nearly 238 patents to his credit, including improvements to sugar cane mills and water filtration devices. Biography Hyatt was born in Starkey, New York, and began working as a printer when he was 16. Later, he invented plastic, receiving several hundred patents. Among the most well-known of his inventions was that of a substitute for ivory to produce billiard balls. An award of $10,000 had been instituted by Michael Phelan in 1863 due to the cost of ivory and concerns on its shortage. Aided by his brother Isaiah, Hyatt experimented with Parkesine, a hardened form of nitrocellulose. Parkesine had been invented by the Englishman Alexander Parkes in 1862, and is considered the first true plastic, although it was not a success as a commercial or i ...
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Billiards Table
A billiard table or billiards table is a bounded table (furniture), table on which cue sports are played. In the modern era, all billiards tables (whether for carom billiards, Pool (cue sports), pool, Russian pyramid, pyramid or snooker) provide a flat surface usually made of quarried slate, that is covered with cloth (usually of a tightly woven worsted wool called baize), and surrounded by vulcanized rubber cushions, with the whole thing elevated above the floor. More specific terms are used for specific sports, such as snooker table and pool table, and different-sized billiard balls are used on these table types. An obsolete term is billiard board, used in the 16th and 17th centuries. Parts and equipment Cushions Cushions (also sometimes called "rail cushions", "cushion rubber", or rarely "bumpers") are located on the inner sides of a table's wooden . There are several different materials and design philosophies associated with cushion rubber. These cushions are made from an ...
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Carom Billiards Balls
Carom may refer to: * Ajwain (''Trachyspermum ammi''), an herb in Indian cuisine * Carom billiards (also known as Carambole) * Ricochet, a rebound, bounce or skip off a surface, particularly in the case of a projectile * Carrom Carrom is a tabletop game of Indian origin in which players flick discs, attempting to knock them to the corners of the board. The game is very popular in the Indian subcontinent, and is known by various names in different languages. In Sou ..., a family of South Asian tabletop games See also * Caromb, a commune in Vaucluse, France {{disambiguation ...
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Artistic Billiards
Artistic billiards, sometimes called fantasy billiards or fantaisie classique, is a carom billiards discipline in which players compete at performing 76 preset shots of varying difficulty. Each set shot has a maximum point value assigned for perfect execution, ranging from a four-point maximum for lowest level difficulty shots, and climbing to an 11-point maximum for shots deemed highest in difficulty level. There are a total of 500 points available to a player, representing the combined value of a perfect score on all 76 shots, although not all games are played with the full shot catalogue. The governing body of the sport is the Confédération International de Billard Artistique (CIBA). Each shot in an artistic billiards match is played from a well-defined position (in some venues within a two millimetre tolerance), and each shot must unfold in an established manner. Players are allowed three attempts at each shot. In general, the shots making up the game – even four-point ...
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Bowling Ball
A bowling ball is a hard spherical ball used to knock down bowling pins in the sport of bowling. Balls used in ten-pin bowling and American nine-pin bowling traditionally have holes for two fingers and the thumb. Balls used in five-pin bowling, candlepin bowling, duckpin bowling, and European nine-pin bowling have no holes, and are small enough to be held in the palm of the hand. Ten-pin balls Specifications The USBC and World Bowling promulgate bowling ball specifications. USBC specifications include physical requirements for weight (≤), diameter (—), surface hardness, surface roughness, hole drilling limitations (example: a single balance hole ''including'' the thumb hole for "two-handed" bowlers), balance, plug limitations, and exterior markings (structural and commercial), as well as requirements for dynamic performance characteristics such as radius of gyration (RG; 2.46—2.80), RG differential (≤0.06), and coefficient of friction (≤0.32). The USBC banned weight ...
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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 naturally occurring chemicals, such as in plants and insects, as well as synthetics such as polybutyrate. Natural polyesters and a few synthetic ones are biodegradable, but most synthetic polyesters are not. Synthetic polyesters are used extensively in clothing. Polyester fibers are sometimes spun together with natural fibers to produce a cloth with blended properties. Cotton-polyester blends can be strong, wrinkle- and tear-resistant, and reduce shrinking. Synthetic fibers using polyester have high water, wind and environmental resistance compared to plant-derived fibers. They are less Fireproofing, fire-resistant and can melt when ignited. Liquid crystalline polyesters are among the first industrially used liquid crystal polymers. They are use ...
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Phenolic Resin
Phenol formaldehyde resins (PF) or phenolic resins (also infrequently called phenoplasts) are synthetic polymers obtained by the reaction of phenol or substituted phenol with formaldehyde. Used as the basis for Bakelite, PFs were the first commercial synthetic resins (plastics). They have been widely used for the production of molded products including billiards, billiard balls, laboratory countertops, and as coatings and adhesives. They were at one time the primary material used for the production of circuit boards but have been largely replaced with Epoxy#Electrical systems and electronics, epoxy resins and fiberglass cloth, as with fire-resistant FR-4 circuit board materials. There are two main production methods. One reacts phenol and formaldehyde directly to produce a thermosetting polymer, thermosetting network polymer, while the other restricts the formaldehyde to produce a prepolymer known as novolac which can be moulded and then cured with the addition of more formaldehyde ...
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Private Label
A private label, also called a private brand or private-label brand, is a brand owned by a company, offered by that company alongside and competing with brands from other businesses. A private-label brand is almost always offered exclusively by the firm that owns it, although in rare instances the brand is licensed to another company. The brand usually consists of products, but can also encompass services. Private labels typically involve outsourcing, in which company A hires company B to provide them with a product or service, which is then offered under a brand name of company A. This is how the term ''private label'' is usually defined. However, it is also possible that company A owns company B. For example, in 2018, The Kroger Company had 60% of its private brands produced by third parties; the remaining 40% was manufactured internally by plants owned by Kroger. Private-label producers are usually anonymous, sometimes by contract. In other cases, they are allowed to mention ...
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Saluc
Saluc S.A. is a Belgian speciality manufacturing company. Founded in 1923, they are best known for their Aramith brand billiard balls. The company also manufactures other sorts of balls and bearings with high engineering tolerances for a wide variety of industrial and consumer-product applications, such as Logitech trackballs. Saluc also manufactures Aramith nine-pin bowling Nine-pin bowling (also known as ninepin bowling, nine-pin, kegel, or kegeln) is a bowling game played primarily in Europe. European championships are held each year. In Europe overall, there are some 130,000 players. Nine-pin bowling lanes are mo ... balls for the European market. On March 5, 2007, Armand Capital Group, parent company of Saluc, purchased the C. L. Bailey Co. of Marionville, Missouri. They also established new warehousing and office space for their precision ball division, entering the United States industrial ball industry. External links Saluc homepage Cue sports equipment manufacturer ...
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Poly(methyl Methacrylate)
Poly(methyl methacrylate) (PMMA) belongs to a group of materials called engineering plastics. It is a transparent thermoplastic. PMMA is also known as acrylic, acrylic glass, as well as by the trade names and brands Crylux, Plexiglas, Acrylite, Astariglas, Lucite, Perclax, and Perspex, among several others ( see below). This plastic is often used in sheet form as a lightweight or shatter-resistant alternative to glass. It can also be used as a casting resin, in inks and coatings, and for many other purposes. Although not a type of familiar silica-based glass, the substance, like many thermoplastics, is often technically classified as a type of glass, in that it is a non-crystalline vitreous substance—hence its occasional historic designation as ''acrylic glass''. Chemically, it is the synthetic polymer of methyl methacrylate. It was developed in 1928 in several different laboratories by many chemists, such as William Chalmers, Otto Röhm, and Walter Bauer, and first brought ...
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Bakelite
Polyoxybenzylmethylenglycolanhydride, better known as Bakelite ( ), is a thermosetting phenol formaldehyde resin, formed from a condensation reaction of phenol with formaldehyde. The first plastic made from synthetic components, it was developed by Leo Baekeland in Yonkers, New York in 1907, and patented on December 7, 1909 (). Because of its electrical nonconductivity and heat-resistant properties, it became a great commercial success. It was used in electrical insulators, radio and telephone casings, and such diverse products as kitchenware, jewelry, pipe stems, children's toys, and firearms. The "retro" appeal of old Bakelite products has made them collectible. The creation of a synthetic plastic was revolutionary for the chemical industry, which at the time made most of its income from cloth dyes and explosives. Bakelite's commercial success inspired the industry to develop other synthetic plastics. In recognition of its significance as the world's first commercial synthet ...
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