Unique Processes

PPI, Protoplast Inc., since 1981 has pioneered many processes and methods that have led to technological advances in all of its activities.

From the very beginning PPI has integrated its design program with every manufacturing process undertaken and all work is done with CAD/CAM systems.

 

 
Our successes have been in three areas:

Overmolding Processes
Overmolding is the process of molding plastic over existing components to create the strength and flexibility one layer plastic does not possess. PPI has great success in achieving low cost, high production overmolding processes.

Injection/Blow Molding
Injection/Blow molding
is the combination process of using straight injection molding and blow molding in the same diemold assembly. Protoplast is the industry master of this unique process.

Current R & D
PPI conducts an active R&D program, one of the latest projects (which is in the process of being patented) is the groundbreaking success of injection molding and blow molding the same part in the same mold.

 

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