Now football production method: 1, canvas material cutting.
Cut the new strong high-tech cloth into pieces.
2. Cutting canvas
This high-tech cloth is cut into pieces and reinforced with natural latex, and 84 pentagons are cut on each piece of material.
3, ball leather sewing
12 pentagons are stitched together to form the ball skin, which is the basis of the new ball.
4, the ball skin flip
Turn the stitched ball cover over. At this time, the seam is located inside the cloth, which makes the surface smooth and is beneficial to the subsequent production process.
5, insert the bladder
Put the airbag in the rubber and carefully put the ball valve in the correct position. In order to balance the weight of the ball valve, a counterweight is sewn on the opposite side of the ball valve, which ensures a stable and predictable football track.
6. Inflate the lining
After the lining is inflated, the size and shape of the ball are initially formed.
7, heat forming
In order to ensure seamless spherical shape and proper size molding, the sphere is placed in a special mold and heated under a certain pressure. This procedure is to ensure that the circumference of each ball is uniform.
What was the first ball in the world? earth
What was the first football league in the world? The English Football League is the earliest national unified league in the world, with the most perfect competition system. Later, countries all over the world widely used this league system for reference.
1888 On March 22nd, the English Football Association made a decision to establish a national first-class league. There were 12 teams in the first league. In the end, Preston won the first league title and successfully defended it the following year. 1892, the Football Association began to hold the second division; 1920, the third-level league appeared; 1958, adding D League. At this point, the English Football League has begun to take shape, divided into four levels: A, B, C and D, and implemented a relegation system. The English Football League is the earliest national unified league in the world, with the most perfect competition system. Later, countries all over the world widely used this league system for reference. 1992, in order to adapt to the growing football, the English Football Association established the Super League on the basis of the first league, and the original second, third and fourth leagues were upgraded accordingly. The first Premier League title was won by the powerful Manchester United team.
What was the name of the first football team in the world? That's England-Nottingham Forest.
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What brand was the first basketball in the world? Spalding, of course
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What was the first football super league in the world? It's Su Chao!
The Scottish Premier League was founded in 1975. The Scottish Premier League was reformed, and the then League A was replaced by the Super League. Ten major leagues (including Rangers, Celtics, Albanians, motherwell, Harz, adil League, Aberdeen, Dundee, Dundee League and St. Johnston) formed the first Scottish Premier League.
What is the first bicycle in the world? The history of bicycles.
It has been more than 200 years since the world's first bicycle came out.
/kloc-At the end of 0/8, the Frenchman Sifrak invented the earliest bicycle. This kind of earliest bicycle is made of wood and its structure is relatively simple. There is neither a driving device nor a steering device, and cyclists rely on two pairs.
Push your feet forward hard, and on the other hand, you can only get off and move the car. Even so, when Sifrak went for a ride in the park on this bike, everyone present was quite surprised and amazed.
The first truly practical bicycle in the world appeared at the beginning of19th century. 18 17, German delaisse invented a wooden two-wheeled bicycle with handlebars in Paris. Although this kind of bicycle can still move forward with pedals, it can change its direction while moving forward, which has aroused great interest since it came out. The French copied a lot, and hundreds of bicycles appeared on the streets of Paris at one time. 1830, France also equipped the postman with bicycles as a means of transportation.
Subsequently, the technology and efficiency of bicycles continued to improve. 1839, the British Macmillan invented the pedal bicycle. You don't have to pedal your feet when riding, which improves the driving speed. The Renault bicycle, which was born in 1869, has a frame made of steel pipes, and the vehicle is also made of rims and spokes. It uses solid tires to make the bicycle lighter. 1887, British Lawson completed the design of chain-driven bicycles. In the same year, Dunlop, an Englishman, developed pneumatic tires. Since then, bicycle technology has also been commercialized, mass-produced and put into the market.
In the 20th century, China gained unprecedented popularity and development in Asia. At present, China ranks first in the world in terms of bicycle production, consumption and export. People in China own more than 500 million bicycles. The annual export volume reaches 20 million vehicles. In a sense, China is a bicycle kingdom. Every morning and at sunset, rolling traffic flows through the city of China, which is the most spectacular scenery. It is the flowing Great Wall of modern China. But with the development of society, the protagonist of the city has given way from two wheels to four wheels.
In the 1950s, bicycles were relatively rare tools. In the sixties and seventies of last century, bicycles have occupied an important position in people's lives. Together with sewing machines and watches, they are called the three major items and become a symbol of family prosperity. People talk? Quot Flying pigeon, forever "is no less than" Jetta, Fukang "that people talk about today. Whose bike is lost, the public security bureau and the police station will file a case to detect it. In an era when cars are exclusive to senior officials, bicycles are the pride of the people.
By the 1980s and 1990s, great changes had taken place in the production of bicycles, and the same old styles were rearranged by colorful new styles. "Flying pigeon" and "forever" are no longer exclusive. Mountain bikes, gearboxes, high-end racing cars and electric bicycles can be seen everywhere. The single practical function of bicycle has evolved into entertainment function, and the fitness function has infiltrated the concepts of aesthetics, health and environmental protection.
Tianjin Bicycle Factory, built in 1936, is the first bicycle factory in China. Initially produced "iron anchor" bicycles. After liberation, the first bicycle in New China was successfully trial-produced on 1950 and named "Flying Pigeon".
This car won the first Silver Prize for Bicycle in China (the highest prize at that time). Over the past 40 years, Tianjin Bicycle Factory has become the largest bicycle manufacturer in the world, with a daily output of 1 1000, and a "pigeon" flies out every 5.2 seconds, and more than 20 models of products have won quality awards. Bicycles produced every day can be 20 kilometers long with an annual output value of 700 million yuan. A large number of flying pigeon cars are still in short supply in China, and sold to 76 countries and regions, creating a large amount of foreign exchange for the country and winning the Golden Dragon Soaring Gold Cup Award issued by the Ministry of Light Industry.
What was the first football organization in the world? 1863,101On October 26th, the English Football Association, the first football organization in the world, was established in London.
1863, 10 year1October 26th, the British established the first football association in the world-the Football Association of England. The meeting not only announced the formal establishment of the English Football Association, but also formulated and adopted the first national football rules in Britain and the first football rules in the world. This meeting * * * formulated 13 rules and recorded them in written form, most of which are still similar to the football rules adopted in the world today.
Who scored the first silver ball in the world? In the semi-final of Euro 2004, Greek central defender Deraze scored the world's first silver ball against Czech team.
What is the first billiard ball made of plastic in the world?