PT ZONE: Stretch Blow Molding

Carbonated Beverage Bottle Gets Even Lighter
Cutting soft-drink bottle weight another 30-45%. More (+)
Blow Molding News at K 2013
All-electric machines of all types were the stars of the show, but there were a number of other noteworthy developments. More (+)

MOST RECENT CONTENT: Stretch Blow Molding

BLOW MOLDING: Lighter PET Water Bottle Doesn’t Squish

New PET preform and bottle designs are said to create a super-lightweight 0.5-liter bottle for still water that not only weighs 34% less than the average commercial bottle of this size, but also achieves 32% more topload strength than the lightest commercial bottle.

Headlines from the K 2013 Show

Here’s just a taste of the innovations on display, a selection of the top headlines not covered in our September show preview.

New Maker of PET Bottle Machines

Builder of filling and capping machines for dairy products and vegetable oils rounds out product line.

BLOW MOLDING: Stretch-Blow PET Bottles Faster, While Using Less Energy

SIPA develops new generation of rotary reheat stretch-blow machines for PET bottles.

Blow Molder on a Growth Path

Being in the right place(s) counts in the bottle business—as do having the right product, the right customer service, and the right technology. Alpha Packaging has taken all those principles to heart.

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Stretch Blow Molding


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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