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Buoyancy at its best

U.S. Converting Wisconsin keeps business boomin' with upgraded coater/laminator.

By Associate Editor Holly Ann Suzik -- Converting Magazine, 9/1/2001

While many businesses plunge into the economy's porcelain god, U.S. Converting Wisconsin stays buoyant. Since its creation 5 years ago, the Jefferson, Wis.-based printer and laminator of non-supported films keeps growing.

To meet capacity demands and streamline production, the plant bought its first coater/laminator in January. A 1991, 52-in., Dri-Tec, the machine was recently upgraded, but still cost less than half a new one. U.S. Converting's president Mark Blackman couldn't justify buying a new machine, which has only more bells and whistles, he says.

Before the coater/laminator purchase, U.S. Converting printed packaging for the peanut, dog treat, coffee, snack food and candy industries, then shipped the material for lamination to sister company, U.S. Converting, Inc., Schaumburg, Ill.—a step that added time and money to projects.

Now, with the Dri-Tec machine, all operations are performed at one location. Blackman prints with water-based and solvent inks from Sun Chemical, on a rebuilt PCMC, 6-color central-impression flexo press that he calls, "A beautiful chunk of steel." He then laminates polyester to polyethylene, polypropylene to polypropylene, or a three-ply polyester, metallized polyester and polyester. Substrate suppliers include Charter Films, AET Films, Vifan, Filmquest, Navis Industries, and Rohm and Haas.

The upgrade

Without the coater/laminator upgrade, U.S. Converting ran at 450 fpm. With the upgrade, speed is an impressive 700 fpm. To achieve these speeds, Dri-Tec refit the drives, as well as synchronized them to achieve automatic cutovers on-the-fly. Dri-Tec also speed-matched the overhead oven rollers, nip roll, rewind and brakes.

Before upgrading, U.S. Converting shut down during every roll change for unwinds. They shut down, spliced manually, then started back up. "If you're running polyester to polyethylene, you have at least two shutdowns per hour to make roll splices. You lose almost 20 min. in an hour," says Blackman. Thanks to the upgrade, footage is up, and Blackman can throw splices in the unwinds and splice automatically on the front end. There is no more shutting down during long runs. Also, Blackman runs water-based ink while maintaining a 700 fpm line speed.

All substrates, including paper, run on the coater/laminator. When challenges arise, U.S. Converting often relies on vendors for information. "I don't do business with vendors who aren't technically literate. I can buy myself lunch and golf," Blackman says humorously. Dri-Tec has helped him with anilox rolls, doctor blade systems, web and overhead tensions, film temperatures and substrates.

When asked about his business' success during hard economic times, Blackman says he has no trade secrets. "This is not rocket science. We don't have any high-tech equipment. We have no special tricks," he says. "After you've been in the business for so many years, it just becomes second nature."


More information from:
Dri-Tec, Inc., 414/354-3540, fax: 414/354-3541, www.dri-tec.com
Paper Converting Machine Co., 920/494-5601, fax: 920/494-8865, www.pcmc.com
Sun Chemical, 910/759-0354, fax: 910/759-0381.
AET Films, 302/326-5500, fax: 302/326-5501.
Vifan Canada, 514/640-1599, fax: 514/640-1577, www.vifan.com
Filmquest Inc., 630/584-0101, fax: 630/584-1786, www.petfilm.com
Rohm & Haas Adhesives & Sealants North America, 215/592-3000, fax: 215/592-6909.
Charter Films Inc., 715/395-8258.
Navis Industries, 630/784-8500.
AdLamCo, 717/845-3270.
Precision Color Graphics Ltd., 414/209-0808.

 

End-product profile

Bowser Brands Inc., Wonder Lake, Ill., turns to U.S. Converting Wisconsin to print and laminate its dog treat pouches. To make this stand-up, reclosable pouch, U.S. Converting reverse prints 6-colors on polyester at 450 fpm, using a rebuilt PCMC central-impression flexo press. Then, it laminates at 525 fpm to a 3-mil., low-density polyethylene Charter-supplied film using the rebuilt Dri-Tec machine.

U.S. Converting sends the material to a poucher, who unwinds and perforates it, then places a reclosable zipper on the front of the bag. This way, Bowser Brands receives the product in roll stock and uses its existing form, fill and seal equipment, rather than receiving the zipper separately and having to hand-fill the product.

Put away your gas dryers

A new kind of solventless laminating adhesive—which may save converters thousands of dollars in monthly gas bills—is in the works. Capable of running by a standard gravure process, the adhesive was developed by AdLamCo, York, Pa., and has been tested in a laboratory environment. Currently, U.S. Converting Wisconsin is using a Dri-Tec machine to perform trials during live runs.

If successful, the adhesive will allow converters to use their existing gravure station with modifications, to be later announced. The modifications won't come close to the cost of a new solventless coating station, and converters also save money by turning off their gas dryers. Trial results are expected in October.

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