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US 10,166,690 B2Granted
Apparatus for producing container carriers
AssigneeIllinois Tool Works Inc.
InventorPaul Siewert
Life of this patent
Estimating the term…
Abstract
A flexible carrier for carrying a plurality of containers within a plurality of corresponding container receiving apertures is formed using a rotary die within a rotary die press resulting in carriers having complex configurations including close tolerance cuts and complex perforation patterns.
Claims10
An apparatus for producing container carriers comprising:
- an unwinder providing a generally continuous sheet of plastic material;
- a rotary die including a cylinder and a plate wrapped around the cylinder, the plate having a nested edge, wherein the nested edge comprises a finger on one edge of the plate and a receiving groove on an opposite edge of the plate wherein the finger nests within the receiving groove when the plate is wrapped around the cylinder, wherein the rotary die includes one or more curved blades and is configured to punch the plastic material into a generally continuous string of three or more rows of container carriers;
- an outfeed for transferring the generally continuous string to a collection station.
Dependencies are inferred from the claim text.