Insulated box

Patent metadata

Field	Value
Publication number	US-11261017-B2
Application number	US-201916293716-A
Country	US
Kind code	B2
Filing date	Mar 6, 2019
Priority date	May 9, 2017
Publication date	Mar 1, 2022
Grant date	Mar 1, 2022

Abstract

A box blank assembly includes a box blank, the box blank includes a bottom panel; a first side panel attached to the bottom panel by a first length fold line; a second side panel attached to the bottom panel by a second length fold line; and a third side panel attached to the bottom panel by a first width fold line; and an insulation batt attached to at least one of the first side panel, the second side panel, and the third side panel.

First claim

That which is claimed is:

1. A box blank assembly comprising:
a box blank, the box blank comprising:
a bottom panel;
a first side panel attached to the bottom panel by a first length fold line;
a second side panel attached to the bottom panel by a second length fold line; and
a third side panel attached to the bottom panel by a first width fold line, the bottom panel, the first side panel, the second side panel, and the third side panel together at least partially defining an inner surface of the box blank and an outer surface of the box blank, the inner surface being substantially planar; and

an insulation batt attached to the outer surface; and
wherein the first side panel, the second side panel, and the third side panel are insulated;
and

wherein:
the insulation batt comprises a repulpable insulation material formed of a mixture of cellulose fiber and between about 2% and about 25% thermoplastic binder fiber distributed substantially randomly within the cellulose fiber;
the thermoplastic binder is adhered to the cellulose fiber; and
subjecting the repulpable insulation material to a repulpability test produces greater than 85% fiber yield.

2. The box blank assembly of claim 1 , wherein:
the box blank is reconfigurable between an unfolded configuration and a folded configuration;
the inner surface is substantially planar in the unfolded configuration;
the first side panel, the second side panel, and the third side panel are folded substantially perpendicular to the bottom panel in the folded configuration; and
the inner surface at least partially defines a box cavity in the folded configuration.

3. The box blank assembly of claim 1 , wherein:
the first length fold line is parallel to the second length fold line; and
the bottom panel is defined between the first length fold line and the second length fold line.

4. The box blank assembly of claim 1 , wherein a fold line extends across the third side panel.

5. The box blank assembly of claim 1 , wherein the insulation batt is repulpable.

6. The box blank assembly of claim 1 , wherein the box blank is repulpable.

7. The box blank assembly of claim 1 , wherein:
the box blank further comprises a fourth side panel;
the fourth side panel is insulated;
the fourth side panel is attached to the bottom panel by a second width fold line;
the first length fold line is parallel to the second length fold line;
the first width fold line is parallel to the second width fold line; and
the first length fold line is perpendicular to the first width fold line.

8. The box blank assembly of claim 7 , wherein a fold line extends across the third side panel.

9. The box blank assembly of claim 1 , wherein:
the inner surface is planar in an unfolded configuration of the box blank; and
the inner surface is configured to define a box cavity when the box blank is in a folded configuration.

10. The box blank assembly of claim 1 , wherein the thermoplastic binder is a meltable polyethylene and polypropylene bi-component thermoplastic binder fiber.

11. The box blank assembly of claim 1 , wherein the cellulose fiber comprises paper fiber.

12. The box blank assembly of claim 1 , wherein the thermoplastic binder fiber defines a length of between about 0.5 mm to about 16 mm.

13. An insulated blank assembly comprising:
an unfolded cardboard blank, the unfolded cardboard blank defining an inner surface and
an outer surface, the inner surface and the outer surface being substantially planar,
the unfolded cardboard blank comprising:
a bottom panel;
a first side panel attached to the bottom panel by a first length fold line, the first side panel positioned parallel to the bottom panel;
a second side panel attached to the bottom panel by a second length fold line, the second side panel positioned parallel to the bottom panel;
a third side panel attached to the bottom panel by a first width fold line, the third side panel positioned parallel to the bottom panel; and
a fourth side panel attached to the bottom panel by a second width fold line, the fourth side panel positioned parallel to the bottom panel, the inner surface and the outer surface extending over the bottom panel, the first side panel, the second side panel, the third side panel, and the fourth side panel; and

at least one insulation batt attached to the outer surface, at least the first side panel, the second side panel, the third side panel, and the fourth side panel being insulated by the at least one insulation batt; and
wherein:
the insulation batt comprises a repulpable insulation material formed of a mixture of cellulose fiber and between about 2% and about 25% thermoplastic binder fiber distributed substantially randomly within the cellulose fiber;
the thermoplastic binder is adhered to the cellulose fiber; and
subjecting the repulpable insulation material to a repulpability test produces greater than 85% fiber yield.

14. The insulated blank of claim 13 , wherein:
the unfolded cardboard blank is configured to fold about the first length fold line, the second length fold line, the first width fold line, and the second width fold line to position the first side panel, the second side panel, the third side panel, and the fourth side panel perpendicular to the bottom panel in a folded configuration; and
the inner surface at least partially defines an insulated cavity in the folded configuration.

15. The insulated blank of claim 14 , wherein the at least one insulation batt is positioned external to the insulated cavity in the folded configuration.

16. The insulated blank of claim 13 , wherein the thermoplastic binder is a meltable polyethylene and polypropylene bi-component thermoplastic binder fiber.

17. The insulated blank of claim 13 , wherein the cellulose fiber comprises paper fiber.

18. The insulated blank of claim 13 , wherein the thermoplastic binder fiber defines a length of between about 0.5 mm to about 16 mm.

Assignees

• Pratt Retail Specialties Llc

Inventors

• Waltermire Jamie
• Ott Paul
• Sollie Greg

Classifications

• B65D81/3858 Primary

  formed of different materials, e.g. laminated or foam filling between walls; (for shock absorbing purposes B65D81/1275) · CPC title

• B65D5/0065

  Separate elements inserted in or attached to integral corner posts or ledges · CPC title

• B65D1/24

  with moulded compartments or partitions · CPC title

• B65D81/386

  formed of corrugated material · CPC title

• B65D25/287

  Rope or string · CPC title