The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 28, 2025
Filed:
Mar. 30, 2022
Nippon Paper Industries Co., Ltd., Tokyo, JP;
Hideki Okude, Tokyo, JP;
Takaharu Noda, Tokyo, JP;
NIPPON PAPER INDUSTRIES CO., LTD., Tokyo, JP;
Abstract
A top forming part creasing mechanism for forming a top portion of a paper container, the top forming part creasing mechanism includes: a first creasing device () that valley-folds, along horizontal folding lines (), a right side panel () and a left side panel () of a carton blank () fitted onto a mandrel so as to spread out the right side panel and the left side panel from a center to an outer side of the carton blank; a second creasing device () that makes creases by inwardly mountain-folding a top upper surface panel () and a top upper surface auxiliary panel () along horizontal folding lines (); and a third creasing device () that makes a crease by outwardly valley-folding a sealing panel (), which is provided on an edge of the top upper surface auxiliary panel, along a horizontal folding line ().