US Patent:
20230114655, Apr 13, 2023
Inventors:
- Atlanta GA, US
Sergio A. Giuste - Midlothian VA, US
Terrell J. Green - Raleigh NC, US
Timothy R. McNeal - Richmond VA, US
Joel C. Panek - Moseley VA, US
James M. Taylor - Highland Springs VA, US
Babek Mirzaei - Richmond VA, US
Jiebin Pang - Glen Allen VA, US
Assignee:
WestRock MWV, LLC - Atlanta GA
International Classification:
B31B 50/59
Abstract:
A cylindrical punch head () includes a punch face () and a side surface (). The punch face extends in a radial direction about an axis of the punch head. The side surface extends in an axial direction of the punch head about a periphery of the punch face. The side surface defines a plurality of grooves (). Each groove extends in the axial direction of the punch head. A method for shaping a paperboard bottom blank to shape a peripheral skirt portion about a periphery of the paperboard bottom blank using the cylindrical punch head.