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1. 发明申请

US20220106740A1 TISSUE PAPER 有权
公开(公告)号：US20220106740A1
公开(公告)日：2022-04-07
申请号：US17426870
申请日：2020-01-30
申请人： DAIO PAPER CORPORATION , TOHOKU UNIVERSITY
发明人： Noritada TOMIOKA , Minoru IWASAKI , Shuta YASUI , Sachiko TAKAHASHI , Kazuo HOKKIRIGAWA , Takeshi YAMAGUCHI , Kei SHIBATA
IPC分类号： D21H27/00 , A47K10/16 , D21H27/30
摘要： To provide a non-moisturizing high-grade type tissue paper having excellent softness.
The problem is solved by a 3-ply tissue paper having a basis weight of 12.0 g/m2 or more per ply, having a paper thickness of 200 to 265 μm for three plies, having a water content of 4.0 to 9.0% by mass, containing 0.15 to 0.45% by mass of an oily component to be extracted with diethyl ether, and having a bending rigidity of less than 0.006 gf·cm/cm in CD (Cross Direction) and a bending recovery force of less than 0.005 gf·cm/cm in CD.

2. 发明申请

US20220371801A1 TOILET ROLL PACKAGE 有权
公开(公告)号：US20220371801A1
公开(公告)日：2022-11-24
申请号：US17762070
申请日：2020-09-23
申请人： Daio Paper Corporation
发明人： Noritada TOMIOKA
IPC分类号： B65D75/12 , B65D77/04 , B65D85/672 , B65D75/58
摘要： Provided is a toilet roll package wherein toilet rolls are gusseted-packaged with exterior film, each roll being individually wrapped with resin film. The rolls are arranged in two rows between upper and lower sealed portions of the package with their circumferential surfaces abutting, the upper and lower sealed portions facing to the circumferential surfaces of the rolls. In an area of the exterior film closer to the upper sealed portion than position (P1) of adjoining between the rolls closest to the upper sealed portion, open start portion (60) convexed toward the upper sealed portion is formed. The open start portion (60) includes base portion (61) having an easy tear line extending along the top-bottom direction, and flaring portion (62) formed with easy tear lines flaring from close to a lateral side of the base portion toward the lower sealed portion with gradually increasing distance therebetween.

3. 发明申请

US20210053735A1 TOILET PAPER ROLL PACKAGING 有权
公开(公告)号：US20210053735A1
公开(公告)日：2021-02-25
申请号：US16958296
申请日：2018-12-11
申请人： Daio Paper Corporation
发明人： Noritada TOMIOKA
IPC分类号： B65D71/06 , B65D79/00
摘要： To provide a toilet paper roll package that can be easily unsealed and that makes it possible to take out toilet paper rolls.
The toilet paper rolls are arranged in two rows with the peripheral surfaces abutting between the upper sealing portion and the lower sealing portion in gusset packaging, the upper sealing portion and the lower sealing portion are located at a position facing the peripheral surfaces of the toilet paper rolls, in the surface of the exterior film facing the end surface of the toilet paper roll, an unsealing portion formed by a perforation is formed, this unsealing portion includes an unsealing start portion with U-shaped or substantially V-shaped perforations arranged such that the upper sealing portion side is the top side, and a wide belt-shaped outlet forming portion formed by a pair of perforations that are continuous with both ends of the unsealing start portion and that extend toward the lower sealing portion, the unsealing start portion is closer to the upper sealing portion than the position adjacent to a pair of toilet paper rolls located closest to the upper sealing portion, and has an unsealing start auxiliary perforation extending from the U-shaped or substantially V-shaped top to the upper sealing side, and each perforation forming the outlet forming portion is located on the toilet paper roll group of each row arranged in two rows, and has a width of 0.5 to 1.2 times the toilet paper roll diameter.

4. 发明申请

US20200375413A1 TOILET PAPER 审中-公开
公开(公告)号：US20200375413A1
公开(公告)日：2020-12-03
申请号：US16621434
申请日：2018-06-26
申请人： DAIO PAPER CORPORATION
发明人： Shohei YOSHIDA , Noritada TOMIOKA
IPC分类号： A47K10/16 , D21H27/30 , D21H27/00 , D21H27/02
摘要： Toilet paper includes at least two sheets on which embossments are formed and that are joined together in a nested manner. The area of a top part of an embossed protrusion of each of the embossments is between 0.8 mm2 and 1.5 mm2, and the area percentage of top parts of embossed protrusions of the embossments is between 5% and 10%.

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