PT ZONE: Stretch Blow Molding

PT Article Helping PET Blow Molders Save Energy & Material
PTI offers energy audits and bottle foaming technology. More (+)
Blow a Bottle with Liquid Instead of Air
New technology--to be made widely available--blows and fills bottles in the same step. More (+)


MOST RECENT CONTENT: Stretch Blow Molding

Single-Serve Wine Spritzer in Plasma-Coated PET

Ultrathin glass coating keeps wine spritzers fresh.

INJECTION MOLDING/BLOW MOLDING/EXTRUSION: Plastics Spotlight Shines on Taiwan This September

Eight Taiwanese machinery suppliers preview their exhibits at the upcoming national show.

Taiwan Takes Its Place Among Machinery Elite

Overshadowed in geographic size and economic output by its neighbor to the east, Taiwan punches above its plastics weight class and is looking to become more self sufficient in its machinery offerings.

Two New Blow Molding Tech Centers

Uniloy offers a range of new and expanded services for extrusion blow and injection-blow molders.

Process Simulation Advances For Stretch-Blow Molding

The challenges in molding simulation multiply along with the process complexity, making injection stretch-blow molding one of the most challenging areas to tackle. But one group is becoming a world leader in modeling ISBM and developing tools and hardware for process and product development.

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OVERVIEW:
Stretch Blow Molding

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Stretch blow molding is the common method for producing soda bottles. The process begins with an injection molded perform. The perform is typically pre-heated then stretched in the axial direction and blown into its final shape by a stretch blow molding machine.


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