Resource Efficient Innovations Database (REID)

Stackable PET bottles provide many environmental benefits

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Stackable PET bottles provide many environmental benefits
Advantages of stackable 500ml and 1litre PET bottles optimise logistics and storage, reduce transit packaging needs and reduce product damage
In Development – The technology was first showcased in April 2012. Final development and test work is being completed. It is anticipated that commercial products could be on the market by 2013.

Benefits
Packaging Reduction

Product Categories
Drinks

Relevant Materials
Plastic – rigid

Relevant Packaging Formats
Bottles and jars

Supply Chain Phase
Production

Details

A major PET bottle supplier has developed the first ever stackable 500ml and 1litre PET bottles. Although stackable bottles have been available for larger sizes, this is the first time they have been available in mid-range sizes. To achieve this, the company has developed a patented step during the pre-form blowing process. The subsequent deep concave indentation in the base of the bottle allows the neck of one bottle to fit into the base of another.

The Stroke-base technology has been developed by Sidel and can be used to produce both square and round containers.
The content in this entry has been obtained from publicly available information sources only (e.g. press releases, website and trade press articles) and is subject to completion of a validation process with the technology supplier.

 

Potential Benefits

There are many potential benefits arising from the development of stackable bottles. These include:
  • Optimised cube utilisation, leading to cost savings and environmental benefits during distribution and storage
  • Elimination of transit packaging items such as interlayers
  • Reduced product damage from crushed bottle necks
  • Reduced product damage due to improved pallet load stability
The patented Stroke-base technology also reduces the blowing pressure by up to 10 bars during production.

Intellectual Property

Sidel has patented the Stroke-base technology used to produce these bottles.

Consultant View

Although stackable bottles are available in larger sizes, this may be the only technology available that can currently deliver stackable bottles for mid-range size bottles. Readers interested in PET bottles should search the REID database for other technology developments that can deliver further environmental benefits. Try searching the database using relevant combinations of search terms such as “beverages”, “bottles” and “plastics – rigid”.

Contacts and Further Information

Francesca Balestrazzi, Communication Manager
Sidel
Via La Spezia 241/A,
43100 Parma - ITALY
Tel: +39 0521 999 390
Email: francesca.balestrazzi@sidel.com

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