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RETAIL PACKAGING CAPS & CLOSURES bringing closure The design of toothpaste packaging has significantly changed, becoming more functional to maintain product freshness PACKAGING ACCOUNT MANAGER AT SUMITOMO (SHI) DEMAG, KEVIN HEAP, BRINGS US UP TO SPEED ON HOW PRODUCT SAFETY AND SECURITY DRIVE CAP INNOVATION… Innovations, like the self-mixing dispensing cap, will propel future growth in the global caps and closures market Bottled water caps are produced in their millions at cycle times of between two to three seconds The global plastic caps and closures market continues to report strong growth, especially in the FMCG arena. Beverage caps remains the most dominant market, accounting for approximately 60% of all units, while the toiletries and cosmetic sector and homecare markets remain the largest user of polymer caps and closures. Throughout the last few decades, bottled water has shaped the beverage closure market using mainstream plastic screw caps. However, there is a definite trend emerging towards more sophisticated tamper evident closures. In the pharmaceutical sector, this trend is mirrored with child-resistant and seniorfriendly dispensing closures, with a greater emphasis on product security. Caps and closures is a market driven by costs, which filters down the supply chain. For injection moulders, this means deriving more value, with a focus on lean manufacturing and optimising production processes. When manufacturing caps and closures by the millions, it makes economic sense to build a complete moulding system that anticipates future applications, rather than trying to adapt existing equipment. In recent years, cycle times have got shorter, performance has increased, and higher cavity numbers are demanded which in turn requires larger clamp tonnage. At Sumitomo (SHI) Demag we are seeing greater demand for caps and closure applications with cycle times of between two to three seconds. CAP CREATIVITY The correlation between modern lifestyles and the functionality of caps and closures cannot be underplayed. In fact, closures are what connect consumers to a brand or product. It’s what people interact most closely with. With lightweight closures now the industry norm, new technologies that improve cap performance, functionality and shelf impact is where the market is moving with companies enhancing market penetration by creating novelty solutions. One example is the self-mixing dispensing cap developed and patented by Hong Kong-based Incap Ltd last year. Storing and dispensing dry and liquid ingredients into a PET bottle containing still or carbonated water, the cap features a locked, unlocked and activated thread, which when twisted releases the additive and triggers the mixing process. The concept was thoroughly tested on one of our all-electric IntElect injection moulding machines. Premium beverage and spirit caps featuring nonrefillable valves and tamper evidence rings, child resistant closures for household cleaning products, and toiletry dispensing mechanisms, are just some other innovations reaching the market. Toothpaste packaging and oral hygiene is a sector that has undergone significant design change in the last decade. Joining the mainstay toothpaste tube with tiny cap are hinged flip top and snap shut closures, upright dispensers, pump action tubes and squeezy bottles. Again, the driver here is giving consumers more functional packaging and caps that maintain product freshness. THE CHAIN The challenge for manufacturers of caps and closures is they are balancing a wide range of variables, including cost and functional requirements, plus responding to demographic and lifestyle changes and environmental impact. From a cost and sustainability perspective, shaving off two-grams in polymer weight per cap can save mass manufacturers thousands of tonnes in raw material a year. However, producing thinner wall sections requires higher pressures and speeds, faster cooling times, and modifications to part-ejection and gating arrangements. All of which must be factored into the mould, machinery, and part design. Polypropylene continues to be the leading caps and closure resin but there are expectations that the material may be replaced with HDPE which has economic and sustainability advantages. The use of bioplastics is also poised to play a greater role going forward. Increased world population and the spread of rising living standards in emerging economies, is resulting in higher demand for bottled drinks and smaller packaging sizes as well as more sophisticated dispensing systems. Meanwhile, brand owners are using enhanced cap technologies and graphics to reinforce brand identify and differentiate themselves in the global market. All these factors will continue to be important stimuli for growth, presenting injection moulders operating in the caps and closures sector with the chance to penetrate new markets. uk.sumitomo-shi-demag.eu 24 www.retailpackagingmag.co.uk
CAPS & CLOSURES RETAIL PACKAGING caps peaked VINCENT CLAUZEL, GENERAL MANAGER AT GCS FRANCE, TALKS ABOUT THE IMPORTANCE OF CONVENIENCE, SAFETY AND INTEGRAL TAMPER EVIDENCE WHEN IT COMES TO CAPS… GCS’s screw-on 1881 Secure Pull sports cap – ideal for those that drink and run Closure has a crucial function: to protect the content and maintain product integrity and allow safe distribution. However, long gone are the days when all beverage bottles and containers were fitted with simple screw caps. Plastic closures are now integral part of the purchase and user experience. Today plastic caps and closures must meet the growing demand for more convenience, controlled dispensing and eco-friendly packaging. Nowadays, lifestyle changes are a major consideration that put packaging companies under pressure to connect with modern consumers and to adapt to their evolving behaviour patterns and expectations. GCS designs closures so that consumers of all ages find them easy to hold, open, use and reseal, even when using one hand. One of our many innovations is a patented snap-back hinge lid that opens to 180° for easier drinking and locks into place to avoid hitting the face. To respond to consumers’ needs, GCS has developed a wide range of sports caps, with or without valve, for mineral water, sport drinks or juices. For consumers who eat and drink ‘on the go’, we’ve “ Nowadays, lifestyle changes are a major consideration that put packaging companies under pressure to connect with modern consumers “ developed sports caps that incorporate a silicone valve to provide a straight directional stream, a clean product cut-off and the best product flow control. The integrated best-in-class silicone valve enhances the consumer experience. The bottle can be safely tipped upside down without risk of spills or leaks, making it ideal for the playground, at work or on the move. FLIP YOUR LID Tamper evidence and anti-counterfeit features are key requirements for leading FMCG players and closures must enable consumers to visibly and easily assess that the product has not been altered since it left the manufacturer. GCS’ high-tech tri-colour fliptop sports closure with a translucent polypropylene body incorporates a unique patented tamper-evident band, which remains within the closure after opening. When the flip-top is pushed open for the first time the band’s bridges break automatically, the lower section then drops to the base of the spout and is retained there as permanent evidence of opening. The translucent material for the closure body and flip-top allows a clear view of the colour-contrasted tamperevident band. Highly visible due to the colour differentiation and non-detachable, the integrated tamper evident band is completely inaccessible and therefore inviolable, even with an external tool. A significant benefit of this tamper evident design is that no separate strip of plastic is thrown away. It is also a truly sustainable and child-friendly closure. FOR THE KIDS Brands obviously want to use packaging that will keep children safe. Hence, good design and high-quality construction of the closure are an absolute necessity. Tiny closures and closures with small, removable parts can be swallowed or lodge in the windpipe, ears or nostrils. Furthermore, a high-quality closure will not break easily or leave jagged edges. GCS sports closures are designed to pass choking prevention safety tests in accordance with BSDA and EN 71-1 standards. Closures for children are approved by Intertek, which works with the world’s leading brands to improve the safety of their products. GCS’ best in class push-pull closures have been specifically designed to keep children safe and protect the product integrity with its internal top cap retention and innovative dust cover design. ABOUT GCS The most interesting and challenging part of the beverage business is design, obviously combined with high technical performances. GCS has a long history in the Beverage market and offers a wide range of custom and ‘off-the-shelf’ screw closures as well as flip-top and push-pull sports closures. GCS sports closures are available in a wide variety of modern designs and attractive colours (including translucent). Our growing range meets the needs of FMCG companies looking for solutions that are in line with brand identity and maintain or even enhance the aesthetic on shelf appeal of their products. Since March 2016, GCS has been a member of RPC Group. With a consolidated revenue of €610 million in 2015 and approximately 3500 employees, Global Closure Systems is one of the world’s largest providers of closure solutions for the FMCG market. Thanks to its 21 production sites strategically located in 13 countries all around the world, GCS manufactures close to 40 billion plastic and metal closures per annum. GCS offers over 2000 designs of standard and custom closures and dispensing systems for the global beverage, food, health care, household and industry, personal care, and wine and spirits markets. www.gcs.com Flip your lid for tamper-evident safety www.retailpackagingmag.co.uk 25
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