Wilmington Machinery Inc. said its high-speed small-bottle rotary blow molding machine, the SB, forms the bottles in a single-cavity blow mold, then uses a proprietary method of guiding them through the trimmer at very high speeds.
The SB is designed for making single-serve dairy, food, juice and yogurt packaging from 6-15 ounces, at a rate of at least 250,000 containers per day.
The Wilmington, N.C.-based company is marketing the SB as an alternative to producing two bottles in a tandem blow molding process — which it said cannot produce two identical parison shapes from top to bottom in the mold.
Wilmington Machinery said the SB uses a single parison and individual cavities to produce bottles with the least bottle-to-bottle variation in material distribution and weight.
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