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. 18, 2022
Filed:
Aug. 24, 2020
Seiko Epson Corporation, Tokyo, JP;
Reina Tanaka, Matsumoto, JP;
Masahiro Akamine, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A packaging box for a roll-shaped material wound around a cylindrical core, including a prism-shaped case body, and respective side surface portions at both ends in a longitudinal direction of the prism-shaped case body, the prism-shaped case body and the side surface portions being formed of a single sheet member, that includes a holding unit inserted into the cylindrical core of the roll-shaped material to hold the roll-shaped material within the prism-shaped case body, wherein, when the holding unit is inserted into the cylindrical core of the roll-shaped material, a region facing an end portion of the cylindrical core in a cross direction intersecting the longitudinal direction in which the prism-shaped case body extends, is formed with a recessed portion that is recessed in the cross direction.