TaperStack™ Design


Rieke is proud to announce the award of U.S. Patent No. 10,718,835 which covers our Innovative TaperStack™ design, yielding significant reductions in closure gram weight without jeopardizing the functionality or integrity of the part.


Rieke Packaging offer an innovative family of TaperStack™ closures that are nested together and packed as logs in the carton. This nested packing protects the shape of the closures during shipping and warehousing, improving case utilization, and ensuring the caps arrive to the filling line unwarped thus reducing the incidences of cross threading during capping operations.


Compared to traditional loose packed closures, TaperStack™ caps allow 40-60% more closures per case and per pallet, resulting in a 40-60% reduction in packaging materials, as well as freight reductions, warehouse space savings, and fewer trips to the warehouse during capping operations. TaperStack™ caps are available in size ranging from 63mm to 120mm.

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