IP Library Granted Patent US 11,591,132
Granted Patent B2
US 11,591,132 · App. 17/493,474 · Granted Feb 28, 2023

Perforated collapsible box

Inventors: Greg Sollie (Sharpsburg, GA); Shifeng Chen (Newport News, VA)
Assignee: Pratt Corrugated Holdings, Inc.
B65D5/3614B65D5/4266B65D5/5415
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Quick Facts
Patent No.
US 11,591,132
App. No.
17/493,474
Granted
Feb 28, 2023
Kind
B2
Abstract

A method for collapsing a collapsible box can include pressing inward on a first side panel and a second side panel of the collapsible box along a lateral hinge, the collapsible box defining the lateral hinge extending at least partially across a front panel, the first side panel, the second side panel, and a rear panel of the collapsible box; and pressing a top panel and a bottom panel of the collapsible box together until the collapsible box is substantially flattened, the top panel and the bottom panel being hingedly coupled to the rear panel.

Claims (22)

1. A method for collapsing a collapsible box, the method comprising:

pressing inward on a first side panel and a second side panel of the collapsible box along a lateral hinge, the collapsible box defining the lateral hinge extending at least partially across a front panel, the first side panel, the second side panel, and a rear panel of the collapsible box; and

pressing a top panel and a bottom panel of the collapsible box together until the collapsible box is substantially flattened, the top panel and the bottom panel being hingedly coupled to the rear panel: wherein opening the collapsible box comprises:

tearing a perforation between a lower flap portion of the front panel and a frame portion of the front panel; and

folding the lower flap portion away from the frame portion.

2. The method of claim 1 wherein pressing the top panel and the bottom panel of the collapsible box together until the collapsible box is substantially flattened comprises folding the first side panel substantially in half.

3. The method of claim 1 wherein pressing the top panel and the bottom panel of the collapsible box together until the collapsible box is substantially flattened comprises reconfiguring the rear panel from a substantially planar shape to a truncated pyramidal shape.

4. The method of claim 1 , wherein the lower flap portion is hingedly attached to a first top subpanel of the top panel by a front hinge.

5. The method of claim 1 , wherein the lower flap portion is hingedly attached to a first top subpanel of the top panel by a front hinge.

6. A method comprising:

opening a collapsible box, comprising:

tearing a perforation between a lower flap portion of a front panel and a frame portion of the front panel; and

folding the lower flap portion away from the frame portion; and

closing the collapsible box, comprising:

pressing inward on a first side panel and a second side panel of the collapsible box along a lateral hinge, the collapsible box defining the lateral hinge extending at least partially across a front panel, the first side panel, the second side panel, and a rear panel of the collapsible box; and

pressing a top panel and a bottom panel of the collapsible box together until the collapsible box is substantially flattened, the top panel and the bottom panel being hingedly coupled to the rear panel.

7. The method of claim 6 , wherein pressing the top panel and the bottom panel of the collapsible box together until the collapsible box is substantially flattened comprises folding the first side panel substantially in half.

8. The method of claim 6 , wherein pressing the top panel and the bottom panel of the collapsible box together until the collapsible box is substantially flattened comprises reconfiguring the rear panel from a substantially planar shape to a truncated pyramidal shape.

9. The method of claim 6 , wherein the lower flap portion is hingedly attached to a first top subpanel of the top panel by a front hinge.

10. The method of claim 6 , wherein:

the lower flap portion is hingedly attached to a first top subpanel by a front hinge; and

the top panel comprises the first top subpanel hingedly attached to the lower flap portion.

Assignments (1)
AMENDED AND RESTATED GRANT OF SECURITY INTEREST Recorded Dec 17, 2021
From: PRATT CORRUGATED HOLDINGS, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 058556/0898 →
Continuity (3)
Division 16886040 · May 28, 2020
Provisional Application 62940436 · Nov 26, 2019
Related Publication 20220024635A1 · Jan 27, 2022