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packaging | Update in brief

 Closure Systems Interna- tional (CSI) has introduced the Extra-Lok V 38mm ODU, a new closure design offering a claimed 18% weight saving over competing two-piece designs. The two-start low profi le closure uses the company’s Triple Seal liner technology, which is claimed to provide a highly reliable seal on hot and cold fi lled PET and HDPE containers. The new closure also incorporates venting and tamper-evident features.

 German masterbatch maker Grafe has developed a new fl ow improver for packaging applications. The additive, which is tailored to the individual application and is used at levels of 3-5%, is claimed to allow injection moulding processing temperatures to be reduced to cut energy costs. Lower temperatures, together with faster crystallisation dynamics, allow cycle times to be reduced, says the company. The additive masterbatch can be supplied custom coloured.

 Swiss-based Schoettli, recently acquired by Husky Injection Molding Systems, demonstrated a 96-cavity mould producing 1.2g 29/25 caps at last year’s Drinktec show in Germany on a 2s cycle time. The system was running on an Elion 4200 moulding machine manufac- tured by KraussMaffei subsidiary Netstal.


Italy’s HRSfl ow enjoys the real coffee boom

The growing market for capsule-based coffee machines is proving to be good business for Italian hot runner manufacturer HRSfl ow, which has now supplied a number of systems ranging from 16 to 32 cavities for capsule production using its standard MT nozzle line. One of its most recent projects

was to produce a system for a major Italian producer that wanted a thermally-gated system that provided aesthetics to match valve-gated systems yet was easier to maintain and offered fast colour change. A key requirement was total elimination of any gate vestige

to prevent the risk of contamination further on in the capsule production process. HRSfl ow engineers used the company’s

SLM conformal nozzle cooling circuit technol- ogy to ensure a balanced nozzle profi le and to optimise hot and cold half operation. The company says the result was a system that provided a faster cycle time and lower energy consump- tion, while eliminating drool and gate vestige.

Material wastage during colour changes has been kept to within 125g of PP per

cavity, even when switching from pearlescent masterbatch.  www.hrsfl

Weidenhammer wins two new Permasafe barrier IML projects

Germany’s Weidenhammer Plastic Packaging has converted two new products to its Permasafe injection moulded barrier IML packaging: the Mr Fix range of ready meals from Eifeler Fleischwaren and pickled sprats from JSC Brivais Vilnis. Permasafe packages use a full-body multilayer high barrier IML label to provide an alternative to the metal cans or glass products currently used to package sterilised or pasteurised food products. German food company

Eifeler Fleischwaren is packaging fi ve different meat-based Mr Fix ready

INJECTION WORLD | January/February 2014

meals in a 380g microwave- able Permasafe container. It is using a photographic quality label with a peel-off top seal to provide gas-tight protection. An injection moulded snap-on overlid allows the container to be reclosed once opened. Latvia-based JSC Bivais Vilnis has opted to exploit the ability to incorporate transpar- ency in the label, providing a window through which the

customer can see the product. The 7cm high custom Permas- afe container has been designed to provide a tradi- tional style yet still stand out on the shelf. “See-through packaging for

fi sh and seafood is popular in Eastern European markets,” says Weidenhammer Plastic Packaging sales director Andreas Rothschink. 

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