Made Rubber

July 18, 2008 by  
Filed under Die Cutting Machines and Supplies

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Does anyone know where I can get rubber bullets to do?

My daughter spent a day camp, and she did a project that has to do with the search for a material like a rubber ball or something like that although it is shaped, then you need to put a hole the size of a pencil eraser. The round bullet Rubber or oval portion should be 1 or 2 "at all and should be well adjusted to fit something like a pencil and can not hit you need in shape, are you follow me or am I confused you yet. I need about 100 of them did. Where I can get it? I would elaborate, but you really want lost so thank you. Oh yes, his age is 12. If this is important.

Try these places, you need to have a comprehensive plan / diagram and could be costly. Or buy rubber bullets and drilling will also need a clamp or vise to secure the ball.

Rubber Industrial Era

In the 19th century, the textile industry had much progress beyond the sector rubber. Therefore, it is found that the research studies for the forest of rubber used in the past had depended on the industry textile garments as an element to make the mold. Or to make the layer waterproof fabric or elastic or rubber-air bath, etc. Therefore, the world's factory belonging to the first coating industrial Englishman Thomas Hancock founded in 1820 and 2 of the plant belonging to Scotland, the Macintosh in 1823 that he had raincoats made use of textiles from flax.

Although both plants have produced the same products, but using techniques. Charles Macintosh was used coal oil to melt in a rubber solution, then using 2 sheets of clothing that covers both sides to allow a solution in the middle. Thomas Hancock had used the milling and grinding machines knead to soften before melting and pressing the texture of the sheet, then cut into pieces, and then like a corset, gloves and belts, etc.

Although both products factories had problems quality, ie when used for a long period if the weather had turned cold, they become hard and brittle or if the weather is hot and then became the mud and melted. But the invention of Hancock grinding and mixing machine was considered revolutionary for the industry rubber due to the grinding and mixing machine was the machine knead 2 rolls which was originally the kneading and mixing machine machine internal or external mixing and also the idea of crepe sparkling grinding that is used in the production plant rubber block both later. Even the raw material of the rubber sheet mess, which had been used at that time, too, is the origin kneading machine also Thomas Hancock. Therefore, grinding and kneading machine was turned all the proposed cutting machine, mixer, mix types rubber or other in texture, the actual range of roll rates and excess speed between the front roller and rear roller.

Rubber that has been through the kneading machine is often watered down and the heat, it would be easy in the mold and when that has been soaked in the solution, it would melt faster. Therefore, the kneading Thomas Hancock was considered a prototype machine that has its origin to other machines, have been used in almost any industry. Whether in the rubber industry or even the rubber industry raw today.

Later, in 1836 Edwin Chaffee, an American success continued with the invention of Hancock, the link between the heat wave in the mixing machine and kneading machine for softening rubber coating to become film cut faster, resulting from treatment have a waterproof high yield but the problem is the quality remains as before, until about 1838-44, Thomas and Charles Goodyear discovered the vulcanization process Handcock had proceeded with success for grinding and mixing of powdered sulphate of zinc oxide and the texture of rubber, then heat pressed under high pressure.

Soft parts become new pieces with a strong and hard, weather, hot or cold, however, the vulcanized rubber maintain the original state. Therefore, the unresolved problem in the throat or brittle in cold and hot mud for many years has been resolved. When the problem has been resolved to the quality, the rubber industry in Europe and America have grown very rapidly.

The dam is filled with water initially when the dam is open, everything is fluid smooth, without interruption!

Therefore, the rubber industry historian had taken the day of Thomas Hancock and Charles Goodyear's method to find rubber cure date of commencement of the world rubber industry and was back in the day was the day humans began to learn the method for growing forest trees, rubber trees and forests Existing have not had enough sales of rubber, irrespective of the volume, price, everything is sold.

Shortly after the discovery of rubber curing method, did not discover the production process had ebonite method similar to hard rubber, to use more powder sulfate heat and use a higher temperature. Ebonite rubber is solid plywood or sheet concrete, but lighter, sustained non-toxic acid and alkali and isolated from the heat and electricity. Therefore, it is convenient to use in the manufacture of storage tanks, electric battery and tank insulation, etc. Many face marking pens are also a source of names are ebonite.

Luck still face new rich, ie in 1846, Andrew Parkes, an Englishman has been able to discover the method of curing conditions of normal state by immersing the part in the solution of sulfur chloride instead of pressing the heat. Although you can only use a small object, but was much faster that convenience and pressing method of heat. It is the starting point for the creation of the rubber industry, which has small size we used today.

In 1846, Thomas Hancock has managed to invent solid tires for the horse of Queen Victoria. It was considered as a point starting to tire rubber that we use today. Therefore, after the discovery of the healing process or approx. mid-19th century, new rubber products which are produced as shown in Rubber Products Expo in London, Paris, 1851 and 1855. Most products were furniture home ebonite rubber waterproof, odorless, elastic fabrics, bandages, rubber shoes and an air mattress, etc.

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