Machine for forming a container from a blank

Patent metadata

Field	Value
Publication number	US-2024293990-A1
Application number	US-202418662901-A
Country	US
Kind code	A1
Filing date	May 13, 2024
Priority date	Nov 30, 2018
Publication date	Sep 5, 2024
Grant date	—

Abstract

Provided herein is a machine for forming a container from a blank including a tray and a lid. The machine has an upstream end where the blank is loaded and a downstream end where the container is discharged and includes a frame, a pre-forming assembly, and a mandrel assembly. The pre-forming assembly is configured to partially form the lid and the tray by folding each of a plurality of side panels of the blank and further form the tray by partially folding a front panel assembly of the blank, the front panel assembly including a front panel and a roll-over panel. The mandrel assembly is mounted to the frame and configured to engage a bottom panel of the tray to form each of a plurality of corners of the tray and fold the roll-over panel to form a front wall of the container.

First claim

1 - 14 . (canceled)

15 . A method of forming a container from a blank using a machine,
the container including a tray and a lid, the machine including a deck mounted to a frame, a pre-form section positioned upstream from a mandrel assembly, the pre-form section including a plurality of stations and a bar extending above the deck in a container-forming direction across at least the first second stations, the mandrel assembly including a mandrel that comprises a plate and compression members coupled to each corner of the plate, the method comprising: receiving the blank at a first station of the plurality of stations; partially forming the container at the first station by folding each of a plurality of side panels of the blank; transferring the blank in a container-forming direction to at least a second station of the plurality of stations, while maintaining the partially formed container in a centered orientation using the bar; further forming the container using at least a second station of the plurality of stations, by folding a front panel assembly including a front panel and a roll-over panel of the blank; transferring the partially formed container from the pre-forming section to the mandrel assembly; actuating at least a first actuator associated with the mandrel to fold the roll-over panel to form a front wall of the container; and actuating at least a second actuator associated with the compression members of the mandrel to form corners of the tray; and folding the lid to contact the tray.

16 . The method in accordance with claim 15 further comprising: applying an adhesive to the partially formed container with an adhesive applicator as the partially formed container is transferred from the pre-forming section to the mandrel assembly.

17 . The method in accordance with claim 16 , wherein actuating at least a first actuator associated with the compression members comprises: actuating at least the first actuator associated with a first pair of the compression members to compress a pair of glue panels of the tray to a back wall of the blank to form a back wall of the container; and actuating at least a second actuator associated with a second pair of compression members to compress the roll-over panel to the front panel of the blank to form a front wall of the tray.

18 . The method in accordance with claim 15 , wherein the blank includes a leading edge and an opposing trailing edge, wherein the deck includes a plurality of chains and lugs mounted to the chains, wherein the plurality of chains and the lugs are configured to advance the blank through the machine along the container-forming path direction, and wherein partially forming the container further comprises: lowering the blank between a first plurality of lugs and a second plurality of lugs, said lowering causing the first plurality of lugs to fold side panels of the leading edge of the blank and the second plurality of lugs to fold side panels of the trailing edge of the blank.

19 . The method in accordance with claim 15 , wherein the at least the second station includes a rod coupled to the deck, the bar including a first, upstream end, the method further comprising: further forming the tray by advancing the blank past the rod, said advancing causing the first end of the bar to fold a first glue panel at a leading edge of the blank and causing the rod to fold a first tuck panel at the leading edge of the blank.

20 . The method in accordance with claim 19 , wherein the at least the second station further comprises a pair of hooks, the method further comprising: activating the hooks in response to a trailing edge of the blank reaching a predetermined position; and folding, using the hooks, a second glue panel and a second tuck panel at trailing edge of the blank to further form the tray.

21 . The method of claim 15 further comprises controlling speed and timing of the at least first actuator.

22 . The method of claim 15 further comprises controlling speed and timing of the at least second actuator.

23 . The method of claim 15 further comprises controlling speed and timing of transferring the blank from the first station to the second station.

24 . The method of claim 15 further comprises controlling movement of the at least first and the second actuators independent of any other component in the machine.

Assignees

• Westrock Shared Services Llc

Inventors

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

Classifications

• B31B50/022

  Holders for feeding or positioning blanks or webs · CPC title

• B65D5/4266

  Folding lines, score lines, crease lines · CPC title

• B65D5/4204

  Inspection openings or windows · CPC title

• G06Q50/10

  Services · CPC title

• B31B50/06

  from stacks · CPC title