Abstract: A blank for forming a tamper evident container includes a plurality of panels connected together at fold lines configured for extending at least partially around an interior space, including a first side panel, a top panel, a second side panel and a bottom panel. A bottom flap is foldably connected to an edge of the bottom panel on the first end of the blank. A top flap is foldably connected to an edge of the top panel on the first end of the blank. The bottom flap includes a major flap and a minor flap, the major flap connecting between the bottom panel and the minor flap. The top flap includes a catch point feature and wherein the minor flap includes a trap aperture configured to catch the catch point feature of the top flap when opening a container constructed from the blank to provide a tamper evident access feature.
Abstract: A paperboard structure including a paperboard substrate having a first major side and a second major side, a barrier coating layer on the first major side of the paperboard substrate, a top coat on the first major side of the paperboard substrate, wherein the barrier coating layer is positioned between the paperboard substrate and the top coat, and a heat-sealable barrier coating layer on the second major side of the paperboard substrate.
Type:
Application
Filed:
September 5, 2023
Publication date:
December 28, 2023
Applicant:
WestRock MWV, LLC
Inventors:
Jiebin Pang, Natasha G. Melton, Steven Parker, Teresa Krug
Abstract: A cellulosic substrate includes a first major side and a second major side opposed from the first major side, a single polyolefin aqueous polymer dispersion barrier layer on the first major side of the cellulosic substrate, and at least one non-polyolefin aqueous polymer dispersion barrier layer between the single polyolefin aqueous polymer dispersion barrier layer and the first major side of the cellulosic substrate.
Type:
Application
Filed:
March 24, 2023
Publication date:
December 28, 2023
Applicant:
WestRock MWV, LLC
Inventors:
Jiebin Pang, Taylor A. Drucker, Natasha G. Melton
Abstract: A coated paperboard container includes a paperboard substrate and an aqueous barrier coating on the paperboard substrate. The coated paperboard container has a repulpability yield of 75% accepts or greater, a sidewall seam bond strength of 30 pounds per inch or greater, and a wet rigidity loss of 50% or less.
Type:
Application
Filed:
August 16, 2023
Publication date:
December 7, 2023
Applicant:
WestRock MWV, LLC
Inventors:
Steven Parker, Jiebin Pang, Natasha G. Melton, Teresa Krug, Sergio A. Giuste, Wade Harris, Terrell J. Green
Abstract: A paperboard structure includes a paperboard substrate having a first surface and an opposed second surface. A biopolymer coating is applied by extrusion or co-extrusion to at least one of the first surface and the second surface. The biopolymer coating includes an inorganic melt curtain stabilizer, a polylactide resin having a melt flow index, and an organic polymeric chain extender.
Type:
Application
Filed:
December 8, 2021
Publication date:
November 23, 2023
Applicant:
WestRock MWV, LLC
Inventors:
Rahul Bhardwaj, Chitai C. Yang, Justin L. Bennett, Courtney R. Johnson
Abstract: A paperboard structure including a paperboard substrate having a first major side and a second major side, a barrier coating layer on the first major side of the paperboard substrate, a top coat on the first major side of the paperboard substrate, wherein the barrier coating layer is positioned between the paperboard substrate and the top coat, and a heat-sealable barrier coating layer on the second major side of the paperboard substrate.
Type:
Grant
Filed:
June 3, 2022
Date of Patent:
October 17, 2023
Assignee:
WestRock MWV, LLC
Inventors:
Jiebin Pang, Natasha G. Melton, Steven Parker, Teresa Krug
Abstract: A coated paperboard container includes a paperboard substrate and an aqueous barrier coating on the paperboard substrate. The coated paperboard container has a repulpability yield of 75% accepts or greater, a sidewall seam bond strength of 30 pounds per inch or greater, and a wet rigidity loss of 50% or less.
Type:
Grant
Filed:
January 3, 2020
Date of Patent:
September 26, 2023
Assignee:
WestRock MWV, LLC
Inventors:
Steven Parker, Jiebin Pang, Natasha G. Melton, Teresa Krug, Sergio A. Giuste, Wade Harris, Terrell J. Green
Abstract: A coated paper or paperboard structure includes a paper or paperboard substrate and a basecoat applied to the paper or paperboard substrate to yield a basecoat outer surface. The basecoat includes a water-soluble polymer binder and pigment.
Type:
Application
Filed:
November 2, 2022
Publication date:
September 14, 2023
Applicant:
WestRock MWV, LLC
Inventors:
Steven G. Bushhouse, Gary P. Fugitt, Scott E. Ginther
Abstract: A method for manufacturing a paperboard structure includes passing a paperboard substrate through a hot-hard calender to yield a calendered paperboard substrate, the hot-hard calender including a nip defined by a thermo-roller and a counter roller, wherein a contact surface of the thermo-roller is heated to an elevated temperature. The method then includes applying a basecoat to the calendered paperboard substrate to yield a basecoated paperboard substrate, the basecoat includes a basecoat binder and a basecoat pigment blend. The method further includes applying a topcoat to the basecoated paperboard substrate.
Type:
Grant
Filed:
March 1, 2022
Date of Patent:
July 11, 2023
Assignee:
WestRock MWV, LLC
Inventors:
Sergio A. Giuste, Steven Parker, Terrell J. Green
Abstract: A method for manufacturing a thermoformable dual ovenable coated cellulosic board includes coating an aqueous-based polyester acrylate copolymer dispersion basecoat on a first major side of a cellulosic board substrate and coating an aqueous-based polyester acrylate copolymer dispersion barrier topcoat on the aqueous-based polyester acrylate copolymer dispersion basecoat.
Abstract: A sustainable sealed package includes a biofoam molded tray and a paperboard substrate. The biofoam molded tray includes a circumferential flange defining an opening to an interior cavity of the biofoam molded tray. A heat sealing layer is on a first major side of a paperboard substrate. The heat sealing layer is sealed to the circumferential flange of the biofoam molded tray.
Type:
Grant
Filed:
June 2, 2022
Date of Patent:
May 2, 2023
Assignee:
WestRock MWV, LLC
Inventors:
Allison Bowling, Wayne Cameron, Jerry Hawkins
Abstract: A fiber blend includes a first amount of wood pulp fibers refined in an amount of at least about 150 kWh per metric ton of gross refining energy, and a second amount of wood pulp fibers refined in an amount of at most about 10 kWh per metric ton of gross refining energy.
Type:
Grant
Filed:
February 24, 2021
Date of Patent:
April 18, 2023
Assignee:
WestRock MWV, LLC
Inventors:
Humphrey J. Moynihan, Peter W. Hart, Nichole Kilgore, John D. DeJarnette
Abstract: A cylindrical punch head (2) includes a punch face (3) and a side surface (4). 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 (6). 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.
Type:
Application
Filed:
March 10, 2021
Publication date:
April 13, 2023
Applicant:
WestRock MWV, LLC
Inventors:
Brian K. Knapp, Sergio A. Giuste, Terrell J. Green, Timothy R. McNeal, Joel C. Panek, James M. Taylor, Babek Mirzaei, Jiebin Pang
Abstract: A paperboard structure including a paperboard substrate having a first major side and a second major side, a barrier coating layer on the first major side of the paperboard substrate, a top coat on the first major side of the paperboard substrate, wherein the barrier coating layer is positioned between the paperboard substrate and the top coat, and the paperboard structure providing a blocking rate of less than 2 at 50° C. and at 60 psi in a 24-hour period.
Type:
Grant
Filed:
January 17, 2020
Date of Patent:
February 14, 2023
Assignee:
WestRock MWV, LLC
Inventors:
Jiebin Pang, Natasha G. Melton, Steven Parker, Teresa Krug
Abstract: A packaging comprising: (a) an outer card having one or more cavities; and (b) one or more blister cards housed within the one or more cavities, wherein the one or more blister cards are removable from the one or more cavities so that the one or more blister cards are disposable separate from the outer card.
Abstract: A coated paper or paperboard structure includes a paper or paperboard substrate and a basecoat applied to the paper or paperboard substrate to yield a basecoat outer surface. The basecoat includes a water-soluble polymer binder and pigment.
Type:
Grant
Filed:
November 23, 2020
Date of Patent:
December 13, 2022
Assignee:
WestRock MWV, LLC
Inventors:
Steven G. Bushhouse, Gary P. Fugitt, Scott E. Ginther
Abstract: A coated paperboard having a natural appearance is disclosed which includes a barrier coating containing substantially no fluorochemical or wax, exhibiting good resistance to oil, grease, and moisture and having no tendency toward blocking.
Type:
Grant
Filed:
October 16, 2020
Date of Patent:
December 6, 2022
Assignee:
WestRock MWV, LLC
Inventors:
Jiebin Pang, Scott J. Reigel, Natasha G. Melton, Teresa Krug, Steven Parker, Terry Clark
Abstract: Aspects of the disclosure relate to an article top engaging device, a carrier for packaging one or more articles and a blank for forming the carrier. The article carrier 90 comprises an engaging panel 12 and an article top engaging device RT defined therein. The engaging panel 12 has at least one top-receiving opening defined by an aperture A1 defined therein and having a perimeter. The engaging panel 12 comprises a plurality of cut lines 20/22 each extending radially away from the perimeter. Each of the cut lines 20/22 comprises a linear portion 20 and an arcuate portion 22. The arcuate portion 22 is contiguously arranged with the linear portion 20. The engaging panel 12 comprises a fold line 18/19 extending between the linear portions 20 of adjacent pairs of the plurality of cut lines 20/22 so as to define engaging tabs 16 foldably connected to the engaging panel 12 and struck therefrom.