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WRK WestRock

GRANT
Utility
Coated paperboard container, method of manufacturing a coated paperboard container, and cup bottom forming apparatus
16 Nov 21
A method of manufacturing a coated paperboard container includes: providing a coated paperboard bottom blank, the coated paperboard bottom blank comprising a paperboard substrate and a first barrier coating layer on a first outermost surface of the paperboard substrate; heating the coated paperboard bottom blank; shaping the heated coated paperboard bottom blank, thereby forming a peripheral skirt portion about a periphery of a bottom wall portion of the coated paperboard bottom blank; and sealing a coated paperboard sidewall to the first barrier coating layer of the peripheral skirt portion.
Eric D. Linvill, Jiebin Pang, Natasha G. Melton, James M. Taylor, Steven Parker
Filed: 23 Apr 19
APP
Utility
Packaging System, Sleeve and Slide Card
21 Oct 21
A primary package (10; 110; 210; 310;510; 610; 810) for being lockably received in an outer sleeve (700), the primary package comprising a main body panel (12; 112; 212; 312; 512; 612; 812) and a retention tab (14; 114; 214; 314; 512; 612; 812) hingedly connected together along a fold line (17; 117; 217; 317; 517; 617; 817), the retention tab having at least one embossment (18; 118; 218; 318; 518; 618; 818), the fold line having been integrally formed in the primary package.
Richard Alan COLLINS, Tsugihiko SUZUKI, Marty JONES
Filed: 25 Jun 21
APP
Utility
Cellulosic Structures, Methods for Manufacturing Cellulosic Structures, and Liners Formed Therefrom
21 Oct 21
A cellulosic structure includes a cellulosic substrate having a first major side and a second major side and a first barrier layer on the first major side of the cellulosic substrate.
John D. BENSON, William T. McDONNELL, Joseph COLE
Filed: 21 Apr 21
GRANT
Utility
Heat sealable barrier paperboard
5 Oct 21
An aqueous coated paperboard is disclosed which exhibits good barrier properties and anti-blocking behavior and is heat sealable.
Jiebin Pang, Natasha G. Melton, Teresa Krug, Steven Parker
Filed: 22 Feb 18
APP
Utility
Thermal Regulating Devices with Condensation Mitigation
30 Sep 21
A thermal regulating device can include an insulated envelope configured to contain a thermal element therein to reduce thermal transfer between the thermal element and the atmosphere.
Trisha J. Massenzo, David J. Wiemann
Filed: 2 Feb 21
APP
Utility
Product Package, Carrier, and Blank Therefor
23 Sep 21
Aspects of the disclosure relate to a package, a product carrier, and a blank for forming the product carrier.
Cullen B. Rosenbrien
Filed: 23 Mar 20
APP
Utility
Article Top Engaging Device, Article Carrier and Blank Therfor
16 Sep 21
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.
Cullen B. Rosenbrien
Filed: 10 Mar 20
APP
Utility
Coffee Stain-resistant Cellulosic Structures and Associated Containers and Methods
9 Sep 21
A cellulosic structure including a cellulosic substrate comprising a first major side and a second major side opposed from the first major side, an oil barrier layer on the second major side of the cellulosic substrate, and a water barrier layer on the second major side of the cellulosic substrate, wherein the oil barrier layer is positioned between the cellulosic substrate and the water barrier layer.
Jiebin Pang, Steven Parker, Natasha G. Melton
Filed: 25 Jan 21
APP
Utility
Thermal Control Packages
19 Aug 21
A package can include an insulated envelope configured to contain a thermal element therein to reduce thermal transfer between the thermal element and the atmosphere.
Trisha J. Massenzo, Casey P. Grey, Lucas Dallen
Filed: 14 Feb 20
GRANT
Utility
Product package, blister, carrier and blank therefor
10 Aug 21
A package for packaging an article provides a package including a display card and tape measure mounted thereto.
Linh L. Kooc, Cullen B. Rosenbrien, Matthew E. Zacherle
Filed: 1 Nov 19
APP
Utility
Method and System for Applying a Multi-layer Coating
22 Jul 21
A method for applying a multi-layer coating includes passing a substrate through a nip defined by two rolls to apply a first thickness of a first liquid coating material, applying a second liquid coating material on the first liquid coating material having the first thickness as applied by passing through the nip, and controlling a thickness of the applied second liquid coating material.
Sergio A. Giuste, Steven G. Bushhouse, Jiebin Pang, Brian K. Knapp
Filed: 22 Jan 20
APP
Utility
Heat-sealable Paperboard Structures and Methods
22 Jul 21
A heat-sealable paperboard structure including a paperboard substrate having a first major side and a second major side opposed from the first major side, a heat-sealable barrier coating on the first major side of the paperboard substrate, and a top coat positioned over the heat-sealable barrier coating, wherein the top coat forms a discontinuous layer over the heat-sealable barrier coating.
Jiebin Pang
Filed: 13 Jan 21
APP
Utility
Fiber Blend, Method for Producing Fiber Blend, and Paperboard Product Comprising Fiber Blend
17 Jun 21
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.
Humphrey J. Moynihan, Peter W. Hart, Nichole Kilgore, John D. DeJarnette
Filed: 24 Feb 21
APP
Utility
Coated Paper and Paperboard Structures
17 Jun 21
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.
Steven G. Bushhouse, Gary P. Fugitt, Scott E. Ginther
Filed: 23 Nov 20
APP
Utility
Coated Paperboard and a Tray Made Therefrom
3 Jun 21
A coated paperboard including a single-ply paperboard substrate having a first major side and a second major side, and having an internal sizing agent incorporated therein, and a barrier coating on the first major side of the single-ply paperboard substrate, the barrier coating having an elastic modulus of at least 1.5 GPa.
William Statelman, Ronald Binshtok, Trisha Massenzo, Eric Linvill, Gabriela Ramirez
Filed: 12 Jun 19
APP
Utility
Reinforced Paperboard Tray, Method for Manufacturing a Reinforced Paperboard Tray, and Method for Using a Paperboard Tray
27 May 21
A reinforced paperboard tray includes a coated paperboard in the form of a bottom wall, a side wall extending upwardly around the bottom wall, and a curved flange extending outwardly around the side wall.
Ronald J. Binshtok, William Statelman, Trisha J. Massenzo
Filed: 25 Nov 20
GRANT
Utility
Fiber blend having high yield and enhanced pulp performance and method for making same
13 Apr 21
The present disclosure relates to producing paper or paperboard having improved stiffness and strength, compared to the conventional paperboard at the same basis weight.
Peter W. Hart, Darrell M. Waite, Dale E. Nutter, Jr., Jared Bradberry
Filed: 24 Jul 18
GRANT
Utility
Fiber blend, method for producing fiber blend, and paperboard product comprising fiber blend
30 Mar 21
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.
Humphrey J. Moynihan, Peter W. Hart, Nichole Kilgore, John D. DeJarnette
Filed: 8 Aug 19
GRANT
Utility
Paperboard with low coat weight and high smoothness
30 Mar 21
Coatings are disclosed which provide single-layer-coated paperboard having good smoothness and printability.
Steven G. Bushhouse, Gary P. Fugitt, Scott E. Ginther
Filed: 10 Nov 17
APP
Utility
Coatings for Packaging Material
18 Mar 21
A packaging blank can include a paper base, and a coating disposed on and/or within the paper base.
Christopher C. Jameson, William Statelman, Erin M. Allen, Steven G. Bushhouse, Brian K. Knapp
Filed: 11 Sep 20
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