Title:
PACKAGING BAG
Document Type and Number:
Japanese Patent JP2022077727
Kind Code:
A
Abstract:
To provide a packaging bag which: can be self-standing even if the rolled sheet body housed in the packaging bag continues to be used until the sheet body runs out; has excellent drawability of the sheet body; has a structure that allows the packaging bag to be sealed even after continued use, with less drying of the sheet body; can be used repeatedly by replenishing the sheet body; and can be compactly compressed for disposal and is desirable from an environmental standpoint.SOLUTION: A packaging bag 1 of the invention has a gusset pouch type body in which a roll-shaped sheet body 5 is housed and the bottom surface part thereof is approximately rectangular, has a zipper part 2 into which the sheet body can be inserted at an upper part, and has an opening 3 below the zipper part for taking out the sheet 4, which is composed of a body part and a lid part which can be mutually fitted, wherein each of a, b, Ds, h, L and Tp defined below satisfies a predetermined mathematical expression: the a is a length of the short side of the bottom surface part of the packaging bag; the b is a length of the long side of the bottom surface part of the packaging bag; the Ds is a diameter of the sheet body; the h is a height h of the sheet body; the L is a distance along the surface of the packaging bag from a center point Tp of the opening part to the bottom surface part of the packaging bag.SELECTED DRAWING: Figure 1
Inventors:
YANAGIYA KUNIO
Application Number:
JP2020188703A
Publication Date:
May 24, 2022
Filing Date:
November 12, 2020
Export Citation:
Assignee:
NISSHO KK
International Classes:
B65D83/08; A47K7/00; A47K10/38; B65D30/16
Attorney, Agent or Firm:
Sakamoto International Patent and Trademark Office
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