Paper towel roll

JP7880466B2Active Publication Date: 2026-06-25NIPPON PAPER CRECIA CO LTD

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
NIPPON PAPER CRECIA CO LTD
Filing Date
2025-04-30
Publication Date
2026-06-25

AI Technical Summary

Benefits of technology

【0016】 本発明によれば、高坪量かつ高吸水性のペーパータオルシートを巻回したペーパータオルロールであって、製造時におけるテールシールの剥がれ難さと使用時のテールシールの剥がし易さ及び水濡れ時の粘着感の少なさとを両立し、持ちやすさが良好であるペーパータオルロールが提供される。

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Abstract

To provide a paper towel roll obtained by winding a paper towel having a high basis weight and a high absorbent property, which satisfies the difficulty in peeling off a tail seal part 3 during manufacturing, the ease of peeling off the tail seal part 3 during use, and a low sticky feeling when wet with water, and has a good holding property.SOLUTION: There is provided a paper towel roll 1 that is obtained by winding a 1-ply sheet mainly composed of pulp fibers and containing synthetic fibers into a roll, and has a tail seal part 3 made by gluing a tail part 4 of a paper towel sheet 1x and an outermost surface of the paper towel roll 1 with a glue. The paper towel roll is configured in that: the paper towel sheet 1x has a basis weight of 40 g / m2 or more and 150 g / m2 or less, and a water absorption of 210 g / m2 or more and 520 g / m2 or less; an amount of a glue applied is 0.5 g or more and 5 g or less; and the paper towel roll 1 has a roll density of 0.05 g / cm3 or more and 0.19 g / cm3 or less, and a winding diameter of 75 mm or more and 160 mm or less.SELECTED DRAWING: Figure 1
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Claims

1. A paper towel roll is made by winding a 1-ply paper towel sheet, mainly composed of pulp fibers and containing synthetic fibers, into a roll shape. The tail portion of the paper towel sheet and the outermost outer surface of the paper towel roll are bonded together with glue to form a tail seal portion. The aforementioned paper towel sheet has a basis weight of 40 g / m². 2 150g / m or more 2 below, Water absorption capacity: 210 g / m 2 520g / m or more 2 The following: The peel strength of the glue is 0.6 N / 76 mm or more and 8 N / 76 mm or less. The aforementioned paper towel roll has a roll density of 0.05 g / cm². 3 0.19g / cm or more 3 The following refers to paper towel rolls with a roll diameter of 75 mm or more and 160 mm or less.

2. The paper towel roll according to claim 1, wherein the application width of the glue is 2 mm or more and 30 mm or less.

3. The paper towel roll according to claim 1 or claim 2, wherein the length of the tail portion is 4 mm or more and 45 mm or less.

4. The paper towel roll according to any one of claims 1 to 3, wherein the thickness of the paper towel sheet is 200 μm or more and 1400 μm or less.

5. The paper towel roll according to any one of claims 1 to 4, wherein the paper towel sheet has an embossed surface, and the depth of the emboss is 0.07 mm or more and 1.8 mm or less.

6. The paper towel roll according to any one of claims 1 to 5, wherein the bending stiffness of the paper towel sheet in the MD direction is 10 μN·m or more and 130 μN·m or less.

7. The paper towel roll according to any one of claims 1 to 6, wherein the DMDT of the paper towel sheet is 8 N / 25 mm or more and 75 N / 25 mm or less, and the DCDT is 2 N / 25 mm or more and 50 N / 25 mm or less.

8. The paper towel roll according to any one of claims 1 to 7, wherein the proportion of synthetic fibers to the total basis weight is 5% by weight or more and 50% by weight or less, and the proportion of pulp fibers is 50% by weight or more and 95% by weight or less.

9. The basis weight of the synthetic fiber is 4 g / m 2 or more and 40 g / m 2 or less, the basis weight of the pulp fiber is 33 g / m 2 or more and 120 g / m 2 or less, the paper towel roll according to claim 8.