Extrusion lines for corrugated and flexible plastic pipes

Forming systems

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In his more than fifty years of OLMAS activity he has devoted special care for the renewal of the two tubes forming systems.
 

BLOW FORMING SYSTEM
The first uses the technology of "blowing": injecting low pressure air into the plastic material, it is pushed against the contour of the mold where it is compressed and cooled.

VACUUM FORMING SYSTEM
In the second, he said to "vacuum", the material exiting from the extrusion head is sucked and held only by the walls of the air sucked into the mold through the appropriate channels. The plastic material cools in contact with the mold that, stopping the expansion, drawing the geometry chosen.