Methods and machine for forming a shipping and display container from a blank assembly using a pre-fold mandrel section

Patent metadata

Field	Value
Publication number	US-10821698-B2
Application number	US-201815861552-A
Country	US
Kind code	B2
Filing date	Jan 3, 2018
Priority date	Sep 6, 2013
Publication date	Nov 3, 2020
Grant date	Nov 3, 2020

Abstract

A machine for forming a container from a blank assembly including a tray blank and lid blank includes a frame, a mandrel assembly mounted to the frame, a pre-folding assembly, and a glue panel presser assembly. The mandrel assembly includes a first mandrel and a second mandrel positioned downstream from the first mandrel. The first mandrel has an external shape complementary to an internal shape of at least a first portion of the container, and the second mandrel has an external shape complementary to an internal shape of at least a second portion of the container. The pre-folding assembly is configured to fold a first portion of the blank assembly around the first mandrel to form a partially formed container. The glue panel presser assembly includes a first presser plate configured to form a first manufacturer joint, and a second presser plate configured to form a second manufacturer joint.

First claim

What is claimed is:

1. A method of forming a container from a blank assembly using a machine, the blank assembly including a tray blank removably coupled to a lid blank, the tray blank defining a tray portion of the container, the lid blank defining a lid portion of the container that is removable from the tray portion of the container when the container is formed from the blank assembly, the machine including a mandrel assembly having a first mandrel and a second mandrel positioned downstream from the first mandrel, the method comprising:
positioning the blank assembly proximate to the first mandrel;
folding a first portion of the blank assembly about the first mandrel to form a partially formed container;
transferring the partially formed container from the first mandrel to the second mandrel;
wrapping a second portion of the blank assembly about the second mandrel to further form the container;
actuating a first actuator associated with a first presser plate to move the first presser plate toward the second mandrel to couple a first panel of the partially formed container against a second panel of the partially formed container to form a first manufacturer joint, said actuating the first actuator also moves a second presser plate mounted to the first presser plate toward the second mandrel;
actuating a second actuator associated with the second presser plate to move the second presser plate toward the second mandrel to couple a third panel of the partially formed container against a fourth panel of the partially formed container to form a second manufacturer joint; and
ejecting the container from the second mandrel.

2. A method in accordance with claim 1 , wherein said actuating the first actuator comprises forming the first manufacturer joint along the lid portion of the container, and wherein said actuating the second actuator comprises forming the second manufacturer joint along the tray portion of the container.

3. A method in accordance with claim 2 , wherein the lid blank includes a plurality of lid side panels, and forming the first manufacturer joint comprises:
rotating a first lid side panel into face-to-face contact with the second mandrel; and
rotating a second lid side panel into face-to-face contact with the first lid side panel using the first presser plate.

4. A method in accordance with claim 3 , wherein the tray blank includes a plurality of tray side panels, and forming the second manufacturer joint comprises:
rotating a first tray side panel into face-to-face contact with a second tray side panel using the second presser plate.

5. A method in accordance with claim 4 , wherein the first and second lid side panels at least partially form a corner wall of the container, and the first tray side panel at least partially forms an end wall of the container.

6. A method in accordance with claim 1 , wherein the tray blank includes a plurality of tray side panels and at least one tray bottom panel foldably connected to one of the tray side panels, the lid blank includes a plurality of lid side panels and at least one lid glue panel foldably connected to one of the lid side panels, the method further comprising:
applying adhesive to at least a tray side panel, a tray bottom panel, and a lid glue panel while the partially formed container is being transferred between the first mandrel and the second mandrel.

7. A method in accordance with claim 1 , wherein folding the first portion of the blank assembly further comprises:
rotating a pre-folding assembly from a first position to a second position, the pre-folding assembly including folding rods and a tray panel folder, wherein the folding rods are configured to contact and rotate lid side panels about the first mandrel, and the tray panel folder is configured to contact and rotate a tray side panel about the first mandrel; and
holding the folding rods and the tray panel folder in the second position while the partially formed container is transferred from the first mandrel to the second mandrel to maintain alignment of the partially formed container.

8. A method in accordance with claim 1 , wherein folding the first portion of the blank assembly further comprises:
folding at least a first lid side panel of the lid blank and an opposing second lid side panel of the lid blank into face-to-face contact with opposing side faces of the first mandrel; and
folding at least a first tray side panel into face-to-face contact with the first lid side panel.

9. A method in accordance with claim 8 , wherein wrapping a second portion of the blank assembly further comprises:
folding a third lid side panel of the lid blank into face-to-face contact with a bottom face of the second mandrel.

10. A method in accordance with claim 1 , wherein the mandrel assembly further includes a pair of mandrel guide rails extending from the first mandrel to the second mandrel, and wherein transferring the partially formed container further comprises:
using a pusher foot to transfer the partially formed container along the mandrel guide rails from the first mandrel to the second mandrel.

11. A method of forming a container from a blank assembly using a machine, the blank assembly including a tray blank removably coupled to a lid blank, the tray blank defining a tray portion of the container, the lid blank defining a lid portion of the container that is removable from the tray portion of the container when the container is formed from the blank assembly, the machine including a mandrel assembly having a first mandrel and a second mandrel positioned downstream from the first mandrel, the method comprising:
transferring a partially formed container from the first mandrel to the second mandrel;
wrapping a portion of the blank assembly about the second mandrel to further form the container;
actuating a first actuator associated with a first presser plate to move the first presser plate toward the second mandrel to couple a first panel of the partially formed container against a second panel of the partially formed container to form a first manufacturer joint, said actuating the first actuator also moves a second presser plate mounted to the first presser plate toward the second mandrel;
actuating a second actuator associated with the second presser plate to move the second presser plate toward the second mandrel to couple a third panel of the partially formed container against a fourth panel of the partially formed container to form a second manufacturer joint; and
ejecting the container from the second mandrel.

12. A method in accordance with claim 11 , wherein said actuating the first actuator comprises forming the first manufacturer joint along the lid portion of the container, and wherein said actuating the second actuator comprises forming the second manufacturer joint along the tray portion of the container.

13. A method in accordance with claim 12 , wherein the lid blank includes a plurality of lid side panels, and forming the first manufacturer joint comprises:
rotating a first lid side panel into face-to-face contact with the second mandrel; and
rotating a second lid side panel into face-to-face contact with the first lid side panel using the first presser plate.

14. A method in accordance with claim 13 , wherein the tray blank includes a plurality of tray side panels, and forming the second manufacturer joint comprises:
rotating a first tray side panel into face-to-face contact with a second tray side panel using the second presser plate.

15. A method in accordance with claim 14 , wherein the first and second lid side panels at least partially form a corner

Assignees

• Westrock Shared Services Llc

Inventors

• Graham Thomas D
• Aganovic Amer
• D'Alesio Claudio

Classifications

• B31B50/28 Primary

  around mandrels, e.g. for forming bottoms · CPC title

• B31B2100/00

  Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs · CPC title

• B31B50/81

  Forming or attaching accessories, e.g. opening devices, closures or tear strings · CPC title

• B31B50/07

  by air pressure or suction · CPC title

• B31B50/60

  Uniting opposed surfaces or edges; Taping · CPC title