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Article | June 30, 1999
Combining machinery functions while we broaden options
The big show at Dsseldorf, interpack 99, proved to be another education in the worldwide scope of packaging. Coming just seven months after Pack Expo 98, there are some parallels between the shows, though there's also a whole host of differences.
For those who haven't personally attended an interpack exposition the physical demands are somewhat different than those experienced at Pack Expo. Last year really for the first time in many Pack Expo iterations McCormick Place felt cohesive and comfortable. When combined with the Intl. Exposition of Food Processors the 1.2 million sq' seemed to be in a single location even though five separate halls were used. Mostly I think this was due to the short walk from the East halls to the mammoth commanding South hall with the North halls serving as flankers. For the first time there was no real need to consider walking outside. The interpack experience is as different as November in Chicago is to Dsseldorf in May. Although many of the 15 separate exhibition halls are connected via walk-ways much of the time the walk outside is a refreshing change--unless you get caught in a shower. And if you're attempting to make appointments the outside shuttle bus can be a time saver. Quicker shuttle buses from McCormick Place to downtown Chicago hotels promised for next Pack Expo will help relieve the end-of-day congestion for a site where a car is often more of a liability than a help and waiting for a cab can be taxing. Inside at the exhibits there is a great deal of similarity. Although many interpack exhibits seem larger than those at Pack Expo the trends in machinery are much the same. Like Pack Expo last year there was a stunning array of robots operating in machines at interpack. But the most interesting trend I felt was a continuation of multifunction or combination machines something that was becoming obvious at Pack Expo last fall. Certainly many companies have made monobloc filler/capper systems in the past often incorporating labeling or cottoning systems as well. But most recently we're beginning to see other combinations like palletizer/stretch-wrap systems case printing and sealing combos product feeders and wrappers together and case erectors and packers in a machine run by a single drive. In this issue (see p. 22) a produce packer is using an unusual combination machine that produces a net bag with a header decorative wrap and a variable-information label. At interpack we began to see for the first time integrated container manufacturing with filling and sealing equipment thanks to Sidel (Norcross GA). This brings to mind the heated debate some years ago when some companies were offering in-line plastic sheet extrusion with thermoforming machines while others felt more efficiency could be gained by keeping the two operations separate. The same issue was debated by soft drink companies that molded and filled their own bottles: in-line or individual functions. Usually the deciding factor was scale or the number of units required. If the slowest part of an in-line system was more than adequate for production needs in-line molding and filling could be considered. Today it's not uncommon to find operations with three-shift molding and two-shift operation of the packaging line with some accumulation or a storage device in between. At exactly the same time as more functional machine combinations are being offered (ergo fewer vendors to deal with) the options in machine components are often broader than ever. To use an automotive metaphor you can now buy a pick-up truck with the seating capacity and the same number of doors as a sedan. And you have a wider choice of engines transmissions interiors etc. I think North American buyers have led the way in seeking more options on packaging equipment whether it's the mechanics electrical systems electronics or even software. In the past some U.S. manufacturers loudly complained that some European machinery builders lacked the flexibility in providing components that would be compatible with other equipment in their plants. Based on conversations with many European machinery makers at interpack 99 that difference between North America and Europe is being eliminated. c
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