US 12,297,032 B2
Insulated panels
Greg Sollie, Sharpsburg, GA (US); and Jamie Waltermire, Peachtree City, GA (US)
Assigned to Pratt Corrugated Holdings, Inc., Brookhaven, GA (US)
Filed by Pratt Corrugated Holdings, Inc., Brookhaven, GA (US)
Filed on Aug. 12, 2020, as Appl. No. 16/991,797.
Claims priority of provisional application 62/886,695, filed on Aug. 14, 2019.
Prior Publication US 2021/0047102 A1, Feb. 18, 2021
Int. Cl. B32B 29/08 (2006.01); B29C 44/18 (2006.01); B31D 3/00 (2017.01); B31D 5/00 (2017.01); B32B 3/28 (2006.01); B32B 5/20 (2006.01); B32B 7/12 (2006.01); B32B 21/06 (2006.01); B32B 27/10 (2006.01); B32B 29/00 (2006.01); B32B 37/12 (2006.01); B32B 38/00 (2006.01); B65D 5/02 (2006.01); B65D 81/38 (2006.01)
CPC B65D 81/3823 (2013.01) [B31D 3/005 (2013.01); B31D 5/00 (2013.01); B32B 3/28 (2013.01); B32B 5/20 (2013.01); B32B 7/12 (2013.01); B32B 29/007 (2013.01); B32B 29/08 (2013.01); B32B 37/12 (2013.01); B32B 38/00 (2013.01); B65D 5/02 (2013.01); B32B 2038/0084 (2013.01); B32B 2307/304 (2013.01); B32B 2439/62 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An insulated panel comprising:
a first layer comprising corrugated cardboard, the first layer defining a plurality of flutes;
a second layer comprising corrugated cardboard, the second layer defining a plurality of flutes;
a first insulation material filling at least one flute of the plurality of flutes in the first layer;
a second insulation material comprising a porous structure and filling at least one flute of the plurality of flutes in the second layer; and
a third insulation material between the first layer and the second layer, the third insulation material comprising cellulose, the third insulation material being flexible, the third insulation material between the first layer and the second layer being different from the first insulation material or the second insulation material filling the at least one flute;
wherein a first portion of the insulated panel is configured to fold relative to a second portion of the insulated panel when the insulated panel is in a dry state.