OH-XCool® achieves tangible efficiency enhancement in the production of PET preforms. The in-house developments of Otto Hofstetter AG significantly improve the cooling of threads and support rings.

Otto Hofstetter AG started making moulds for PET preforms in 1977. The first order was placed by the Continental Can Company which had been commissioned by two major American beverage producers to evaluate a capable mould maker. Moulds for PET preforms are now a very important part of the business in Uznach. The technical specifications for preforms and production equipment have changed substantially.

Caviar is highly valuable and sensitive, and its packaging is a very decisive factor in the quality of the luxury product. A long-established technique applied to PET bottles is now finding its way into the foodstuffs industry: the multi-layer container with barrier. It offers foodstuffs producers a cost-effective, flexible and safe alternative to the conventional tin.

Foodstuffs such as milk, for example, are very sensitive as regards their shelf life. Hereby the right packaging plays a decisive role. Multilayer packaging products based on the co-injection technology are clearly at an advantage. They are not only flexible, safe and economically efficient, but also unobjectionable from the point of view of the law on foodstuffs.

The Geneva-based luxury watch manufacturer Urwerk ranks among the most innovative manufacturers in Switzerland. Their creations combine handcraft skills that have been maintained across gener-ations with the possibilities afforded by leading-edge technology. It's a typical Swiss recipe that Otto Hofstetter AG is also committed to. And the latest example: the Cappello design for preforms.