01/17 03 From the classic beverage can to the thin-walled aluminum bottle

Not all aluminum bottles are the same. Depending on customer requirements, aluminum drinks bottles can be manufactured using either the impact extrusion (IE) or DWI method. Different products require different production processes – even for the internal coating

DWI-manufactured drinks bottles with Typical Japanese DWI-manufactured drinks bottles with short length-to-diameter ratio Impact-extruded bottles large length-to-diameter ratio

ack in the 1990s, a variation 220 bottles per minute. Depending on the Sprimag continues to confront this sprayed safely and reliably on Sprimag manufacturing thin-walled aluminum on the classic beverage can – bottle's purpose, reverse impact-extruded trend in the market for thin-walled, HIL-05 stand-alone machines, or other bottles for beer, especially for 12 fl. oz. B thin-walled aluminum bot- bottles are still in use today, especially DWI-manufactured drinks bottles, and machine platforms from Sprimag, even and 16 fl. oz. volume bottles. Sprimag tles manufactured using the since both manufacturing processes pro- thanks to the HIL-05, now offers an in- at high cycle rates. is equipped for high-quality / high-speed DWI method – were brought to mar- duce versions of the bottle which differ ternal coating machine specifically for The HIL-34 internal coating system spray coating in both lancing and fixed ket in Japan. Today, these bottles are in a number of aspects and have corre- coating the insides of drinks bottles that from Sprimag, for example, is one al- spray gun requirements for the bever- an indispensable part of Japanese ev- sponding advantages and disadvantages. have a large length-to-diameter ratio. ternative which is particularly suitable age can industry, and can rely on her eryday life. Many drinks – from soft The first aluminum bottles outside of Naturally, the machine can also be for coating the insides of beverage cans vast years of experience in successfully drinks to alcoholic beverages, such as the Japanese market were largely manu- used to coat the insides of classic bev- and bottles with a short length-to-diam- implementing internal spray projects. sake and beer, through factured by means of erage cans, where now even greater eter ratio. to iced coffees – are » Sprimag is reverse impact extru- limits in the length-diameter ratio are Just recently, beverage can manufac- now sold in this cus- sion, which is the same desirable (e. g. slim cans for soft drinks, turers outside of America, particularly » [email protected] tomary aluminum bot- equipped for method used to manu- large volume beer cans). They can be in Asia, have shown great interest in » [email protected] tle, usually with a large facture monobloc aero- screw cap closure, par- high-quality / sol cans. The method, ticularly in the mil- high-speed specifically the necking lions of drinks vending process, was refined machines that can be spray coating further to better match found all over Japan, as the classic bottle shape. well as in major conve- in both lancing The insides of the nience stores such as first reverse impact- Seven Eleven, Lawson and fixed spray extruded bottles were or FamilyMart. almost all coated on American and Euro- gun require- Sprimag internal coat- pean manufacturers ing systems. Back then, were much slower to ments for the Sprimag had already pick up on aluminum beverage can built up decades of ex- bottle production. perience coating the This eventually led industry. « insides of monobloc Ball to launch sev- aerosol cans. With the eral versions of the launch of the 16 fl. oz. Joachim Baumann FUSION® bottle at aluminum bottle for once, with different sizes and necks. At its beers, brewery giant Anheuser-Busch the start of the new millennium, Exal (Budweiser) notably pointed the way brought its C2C (Coil-to-Can-manufac- to the future. Once again, Exal initially tured) aluminum bottles for soft drinks manufactured these bottles using IE pro- to market, as did Boxal (F). duction alone, but subsequently modified Until that time, the products were the production process to include DWI still produced using a combination of IE technology in separate production steps. and DWI technology. It was only with Eventually, Anheuser-Busch and its in- increasing unit sales that other manufac- house production company MCC (Metal turers identified aluminum drinks bottles Container Corp) refined the original IE as an attractive market and subsequently beer bottle to adapt a twist-top seal. This developed the "pure" DWI bottle (Draw led to the creation of a pure 16 fl. oz. beer Wall Ironing). Plants that manufacture bottle with screw cap closure, and they these DWI bottles can produce between were able to produce the DWI beer bottle 600 and 1500 bottles every minute, at rates of 1,200 bottles per minute – not whereas the impact extrusion method the least thanks to their use of Sprimag HIL-34: Internal coating of beverage cans and bottles HIL-05: Internal coating of beverage cans and bottles with a large suppliers produce only between 150 and HIL-05 inside spray lancing technology. with a short length-to-diameter ratio length-to-diameter ratio

172598_Primag_Zeitung_1701.indd 3 19.04.17 13:47