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Plastics – Blow Moulding

The manufacturing process to make hollow plastic parts is called blow moulding. There are three main types of blow moulding. These are, extrusion blow moulding, injection blow moulding, and injection stretch blow moulding.

The process would first begin by melting down the plastic. This plastic is then formed into a parison, but in the case of injection and injection stretch blow moulding, the plastic would be formed into preform. The parison is a piece of plastic tube with a hole in one end.
 
The idea of blow moulding plastics comes from glass-blowing. The beginning of blow moulding started when the first blow moulding machine was sold to the Hartford Empire Company in 1938. This enabled blow moulders to produce a number of products during the 1940’s. However it was still fairly limited in its application.

Due to the fact that glass is breakable, plastic related products were being used more extensively to replace glass. Evidence of this was the first mass production of plastic bottles in America in 1939. This made a huge impact to soft drink industry and contributed greatly to costs savings and final profit in these industries.
 
After the Americans introduced this mass production, the Germans realised the value of this production method, and today they are one of the leading manufacturers of blow moulding machines. Ultimately it is the quality in the strength and the thickness of the blow moulded plastics would determine their popularity and viability.
 
For more information on blow moulding plastics, visit the Yellowpages website.

Plastics – Blow Moulding

The manufacturing process to make hollow plastic parts is called blow moulding. There are three main types of blow moulding. These are, extrusion blow moulding, injection blow moulding, and injection stretch blow moulding.

The process would first begin by melting down the plastic. This plastic is then formed into a parison, but in the case of injection and injection stretch blow moulding, the plastic would be formed into preform. The parison is a piece of plastic tube with a hole in one end.
 
The idea of blow moulding plastics comes from glass-blowing. The beginning of blow moulding started when the first blow moulding machine was sold to the Hartford Empire Company in 1938. This enabled blow moulders to produce a number of products during the 1940’s. However it was still fairly limited in its application.

Due to the fact that glass is breakable, plastic related products were being used more extensively to replace glass. Evidence of this was the first mass production of plastic bottles in America in 1939. This made a huge impact to soft drink industry and contributed greatly to costs savings and final profit in these industries.
 
After the Americans introduced this mass production, the Germans realised the value of this production method, and today they are one of the leading manufacturers of blow moulding machines. Ultimately it is the quality in the strength and the thickness of the blow moulded plastics would determine their popularity and viability.
 
For more information on blow moulding plastics, visit the Yellowpages website.

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