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How Are Paper Cups Made

The manufacturing of paper cups started during early 1900s, mainly with the intent of preventing diseases. Since such cups are not meant for reuse, the consumption of drinks from these cups puts off the transfer of germs, thus promoting good health. Apart from being hygienic, paper cups offer the convenience of use and make life easier. Specialists estimate the worldwide consumption of paper cups to 220 billion per annum.
 
The manufacturing process of paper cups
 
Printing
 
Large rolls of paper are procured by the manufacturing unit. One side of the paper is coated with an especially formulated plastic to make the interior of the cup. Next, the roll is fed to a machine for printing designs on the other side. Once the printing is done, another machine is employed to separately cut the paper containing the design into small sheets, which are called flats. One flat goes to make one cup. The size of the final cup is decided by the size of its flat.
 
Forming
 
The stacks of flats are passed through a big machine, which rolls them to a cylindrical shape while simultaneously sealing them by applying heat on the wax already applied on the interior of the paper forming the cup. The paper that is simultaneously fed from the far end of this very machine is made into circles, which go to make the base of the paper cups. The spare strip of paper, after the base of the cups has been obtained, is thrown out and recycled. Finally, the cylinders and bases, which go to make the complete cups, are sealed together through a heat process.
 
Rim formation and packaging
 
A chute is employed for transferring the cups to a different machine, which forms the rim of the cup by rolling paper on its top. The cups are then sent for packaging, where they are dropped into the correct sized tubes and stacks get made. After the required number of cups gets collected in one stack, it is passed through one more machine, which wraps a plastic sheet around it and finally seals the sheet. This is the package ready for shipment. The complete process from making to packaging of cups takes nearly one minute.

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