Marble Manor's (Corbett, OR) VA100 series valve applicator for vacuum-packed coffee uses a heat-sealing process to apply a variety of valves to coffee bags, allowing gases from beans to escape quickly.
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The Muller® 2201 semi-automatic stretch wrapper coupled with the patented Pak-Air carriage from Newtec (Sunset Hills, MO) provides an economical alternative for pallet stretch wrapping of fresh produce and other products that must "breathe." Using ordinary stretch film instead of netting or costly macro-perforated film, the Pak-Air automatically pre-stretches and slices the film into bands.
The Liquid Packaging Div. of International Paper (Memphis, TN) has published a brochure on its Spout-Pak® juice and dairy packaging system. "Inside Out Spout" includes an actual spout and 3-D screw-on cap, and discusses IP's specially designed Evergreen Applicator, which fills Spout-Pak cartons at up to 120 cartons/min when used with a corresponding filler.