PT ZONE: Stretch Blow Molding

K 2016 Blow Molding: A Host of New Machines Take on Challenging Shapes
From very small to very large, from hotel amenity bottles to automotive jounce bumpers, new and upgraded machines tackle difficult jobs while improving productivity, quality, and energy efficiency. More (+)
Tiny Stretch-Blow Machine Makes Unusual Bottles
Two-stage machine makes PET bottles with off-center necks and more. More (+)


MOST RECENT CONTENT: Stretch Blow Molding

Is rPET OK for Hot-Fill Bottles?

Up to 50% recycle does not affect necessary properties, study finds.

A ‘First’ for Beverages: Integrated PET Preform Molding, Blowing & Bottle Filling

Sacmi integrates preform compression molding with stretch-blowing and bottle filling.

What Blow Molders Say About All-Electric Machines

They are well established in Europe, but molders in North America are just beginning to come around to all-electrics’ improved performance, maintenance, cleanliness, and—yes— energy efficiency. Here’s first-hand testimony, from the U.S. and abroad.

U.S. Molders Warming Up to All-Electric Blow Molding

When I set out to research a feature on “What Molders Think About All-Electric Blow Molding Machines,” I thought it would be no big deal to get interviews with a handful of shops.

BLOW MOLDING: Linear Injection Stretch-Blow Machine Debuts at K 2016

Resembles a horizontal injection press with a stretch-blow station added,

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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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