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We can distinguish four stages in the process of can making industry:

1. The cutting process

2. Sheets Preparation (varnishing and lithographed)

3. Manufacture of ends (bottoms or lids)

4. Manufacture of body can

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The tin is a very low thickness steel coated on both sides with a thin layer of tin that makes it optimal for use in the food industry and other industries aimed at serving households. They are manufactured using iron ore, coal, a very small amount of tin, electricity and scrap. The main areas in which it is used are packaged canned vegetables and fruits, milk, minced and pate, fish and vegetable oils, aerosols, lubricating oils, ointments and premium paints. The tin is ideal for a natural way to preserve food as it allows total isolation for long preserving its taste, smell and nutritional power. (more…)

In 1795 the French Directory offered 12,000 francs to anyone who could make possible a new effective system to preserve food. Appert, an obscure Parisian who had worked in different occupations as a candy maker, chef or brewer had a brilliant idea: Why not pack food in bottles like wine ? Then, for the next 15 years, he was working on his idea to finally get a the theory which if food is sealed in an airtight container and the air inside is extracted and with sufficient heat, the food will probably preserve. To get to this he previously partially cooked food, sealed it in bottles with cork stoppers and immersed the bottles in boiling water. (more…)

It is known that metal containers increase the perceived value of the products that contain, therefore it is very important for the manufacturers of such packaging products choosing more attractive cans. Within the fancy packaging sector this feature is multiplied several times since packaging producers are improving their developments in adverstising metal cans trying to get more and more business sectors where introducing the product as well as trying to get more innovative designs and shapes for metal containers to make them more attractive to consumers. So, more and more new areas are added to the already consolidated markets. (more…)

One of the big advantages of metal cans is the great possibilities of reusing that they can have with the consecuent ecological benefits. Reusing is part of the ecological strategy called 3R that refers to REUSE, REDUCE AND RECYCLE and it is a philosophy of waste management options in order of their environmental impact. Although in the European Union Waste Framework Directive 2008 the waste hierarchy has five steps: prevention, preparing for re-use, recycling, other recovery and disposal. Here we would like to show you some of the domestic options that metal containers may have to be part of this important environmental strategy. (more…)

Thanks to the sealing process, tin cans are perfect to protect the contents against light, oxygen intake and other contaminants, thereby preventing the growth of microorganisms therein. The manufacturing process used for packaging food and canned beverages has evolved a lot since at present in a high proportion have no direct contact with the base metal thanks to the coating for food-grade product what prevents that the product packaged is not in contact and remain completely isolated. Also, the welding used is electrical and coated. Tin allows vacuum seal preventing chemical degradation of content due to contact with atmosphere. (more…)

The Resistance Welding is a method of joining certain metals as indissoluble. These metals are pressed against each other with the help of two electrodes. When electricity flows through these electrodes on the metal generates heat. The metal must have a resistance higher than those electric electrodes. The formation of heat by electric current is the basis of all resistance welding procedures. The resistance welding can be divided into 4 different applications and is considered the origin of all the welding points. The applications of this welding technology are very diverse apart from metal cans as Steel Fuel Tanks, Beer Keg Welding, Square Channels or Pipe Bend Seams. (more…)