Sheet package with a first slit

Patent metadata

Field	Value
Publication number	US-11358774-B2
Application number	US-201816977554-A
Country	US
Kind code	B2
Filing date	Nov 29, 2018
Priority date	Mar 29, 2018
Publication date	Jun 14, 2022
Grant date	Jun 14, 2022

Abstract

This sheet package includes a sheet roll obtained by winding a sheet on a cylindrical core in the circumferential direction thereof; and a packaging bag that stores the sheet roll, wherein at least one end surface, in the roll width direction, of the sheet roll faces the top surface of the packaging bag, the cylindrical core has an opening in which the end edge of the sheet roll on one end surface side is opened, and a first slit is formed on the top surface so as to overlap the opening of the cylindrical core.

First claim

The invention claimed is:

1. A sheet package comprising:
a sheet roll having a cylindrical core, in which a sheet is wound in a circumferential direction of the cylindrical core;
a packaging bag in which the sheet roll is stored,
wherein at least one end surface of the sheet roll in a roll width direction faces a top surface of the packaging bag,
the cylindrical core has an opening in which an end edge of the sheet roll on a side of the one end surface is open, and
a first slit overlapping the opening of the cylindrical core is formed on the top surface, wherein the first slit is a continuous slit comprising a plurality of perforations, and the first slit has a first end portion overlapping the opening of the cylindrical core.

2. The sheet package according to claim 1 , wherein at least a part of the first slit overlaps a center part of the opening.

3. The sheet package according to claim 2 , wherein the first slit includes at least one linear slit.

4. The sheet package according to claim 1 , wherein the first slit includes at least one linear slit.

5. The sheet package according to claim 1 , wherein a length of the first slit is less than a diameter of the opening of the cylindrical core.

6. The sheet package according to claim 1 , wherein the first slit has a second end overlapping the opening of the cylindrical core.

Assignees

• Daio Seishi Kk

Inventors

• Kato Hirohiko

Classifications

• B65D75/5827

  Tear-lines provided in a wall portion (B65D75/5805, B65D75/5816 take precedence) · CPC title

• B65D85/672

  on cores · CPC title

• B65D75/566 Primary

  Hand holes or suspension apertures · CPC title

• B65D77/30 Primary

  Opening or contents-removing devices added or incorporated during filling or closing of containers {(B65D77/20 takes precedence)} · CPC title

• B65D77/38 Primary

  Weakened closure seams · CPC title