Cardboard box erector

US11220080B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11220080-B2
Application numberUS-201916712996-A
CountryUS
Kind codeB2
Filing dateDec 13, 2019
Priority dateFeb 13, 2019
Publication dateJan 11, 2022
Grant dateJan 11, 2022

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

A cardboard box erector that folds four flaps provided on edges of an opening of a cardboard box so as to surround the opening is disclosed. The four flaps include a locking flap folded last among the four flaps. The cardboard box erector includes a folding unit configured to fold each of the four flaps in a predetermined order to close the opening, and a pushing unit configured to perform an action to push the locking flap inside the cardboard box and pull the locking flap back. The pushing unit has a suction unit configured to such and hold the locking flap.

First claim

Opening claim text (preview).

What is claimed is: 1. A cardboard box erector that folds four flaps provided on edges of an opening of a cardboard box, the four flaps surrounding the opening, the cardboard box erector comprising: a folding unit configured to fold each of the four flaps in a predetermined order to close the opening, the four flaps including a locking flap folded last among the four flaps; and a pushing unit configured to perform an action to push the locking flap inside the cardboard box and pull the locking flap back, wherein the pushing unit has a suction unit configured to suck and hold the locking flap during the action of the pushing unit. 2. The cardboard box erector according to claim 1 , wherein the pushing unit is secured to part of the folding unit. 3. The cardboard box erector according to claim 2 , wherein the four flaps include a set of small flaps opposite each other and a set of large flaps opposite each other, with one of the set of large flaps being the locking flap, the folding unit has a first folding unit configured to hold the large flap, opposite the locking flap, of the set of large flaps, a second folding unit configured to hold the set of small flaps, and a third folding unit configured to hold the locking flap, and the pushing unit is secured to the third folding unit. 4. The cardboard box erector according to claim 1 , wherein the suction unit allows a posture of a suction surface thereof that sucks the locking flap to follow changes in a posture of the locking flap. 5. The cardboard box erector according to claim 4 , wherein the suction unit is pivotably retained by the pushing unit.

Assignees

Inventors

Classifications

  • B31B50/004Primary

    Closing boxes · CPC title

  • using grippers · CPC title

  • to the closure flaps of boxes · CPC title

  • from supply magazines · CPC title

  • by pushers (B65B5/12 and B65B5/108 take precedence) · CPC title

Patent family

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External sources

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US11220080B2 cover?
A cardboard box erector that folds four flaps provided on edges of an opening of a cardboard box so as to surround the opening is disclosed. The four flaps include a locking flap folded last among the four flaps. The cardboard box erector includes a folding unit configured to fold each of the four flaps in a predetermined order to close the opening, and a pushing unit configured to perform an a…
Who is the assignee on this patent?
Ishida Seisakusho
What technology area does this patent fall under?
Primary CPC classification B31B50/004. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Jan 11 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).