In the field of stretch blow moulding machines for PET containers, Italy-based Alkam considers itself as a main contender in the market. According to the company, the reason is that its machines incorporate technical features that are not found on conventional machines.
For instance, the heating of preforms is undertaken by a rotary system where the preforms are held by the neck down to allow for more uniform distribution of heat. Another feature is the patented stretch preform device that is driven by electric servomotors. This device is said to guarantee constant spee