PT ZONE: Stretch Blow Molding

How to Address Uneven Wall Thickness in Stretch-Blow Molding
Many conditions must be met to get the best wall distribution in a PET bottle. Skilled operators are, as always, indispensable. More (+)
PT Article Automa Acquired Out of Liquidation By Fellow Italian Firm
The Italian manufacturer of blow molding machinery has been acquired by a fellow Italian company, which services, rebuilds and sells used blow molding machines. More (+)


MOST RECENT CONTENT: Stretch Blow Molding

BLOW MOLDING: Temperature Probe for PET Preforms

Handheld probe measures internal preform temperature directly, ends guesswork.

How Currier Puts the ‘Custom’ In Custom Blow Molding

The three key ingredients are responsiveness, full-service product development, and control over both the bottle and the cap.

Unilever, Alpla, MuCell Combine On New Bottle-Foaming Technology

Dove liquid soap bottles foamed using MuCell technology debut in Europe. U.S. launch is expected soon.

Helping PET Blow Molders Save Energy & Material

PTI offers energy audits and bottle foaming technology.

Blow a Bottle with Liquid Instead of Air

New technology--to be made widely available--blows and fills bottles in the same step.

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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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