Spunbond Nonwoven Fabric, And Hygienic Material Equipped Therewith

Abstract: This spunbond nonwoven fabric is constituted by one surface (A) formed from a fiber (Fa) comprising a propylene resin and another surface (B) formed from a fiber (Fb) comprising a propylene resin, wherein: an amount of heat of crystal fusion in differential scanning calorimetry is 30-98 J/g; and formula (1) below is satisfied. (1): Db/Da = 1.1, where Da is an average single fiber diameter (µm) of the fiber (Fa), and Db is an average single fiber diameter (µm) of the fiber (Fb). Provided are: a spunbond nonwoven fabric having excellent flexibility and water absorbing/fast drying properties in order to maintain comfort when worn; and also a hygienic material using the same.

Patent Information

Application #

Filing Date

14 June 2023

Publication Number

39/2024

Publication Type

INA

Invention Field

TEXTILE

Status

Email

Parent Application

Applicants

TORAY INDUSTRIES, INC.

1-1, Nihonbashi-Muromachi 2-chome, Chuo-ku, Tokyo 1038666

Inventors

1. KATSUTA, Hiroo

c/o Mishima Plant, Toray Industries, Inc., 4845, Mishima-shi, Shizuoka 4118652

2. MORIOKA, Hideki

c/o Shiga Plant, Toray Industries, Inc., 1-1, Sonoyama 1-chome, Otsu-shi, Shiga 5208558

3. KAJIWARA, Kentaro

c/o Shiga Plant, Toray Industries, Inc., 1-1, Sonoyama 1-chome, Otsu-shi, Shiga 5208558

4. FUNATSU, Yoshitsugu

c/o Okazaki Plant, Toray Industries, Inc., 1, Aza-deguchi, Yahagi-cho, Okazaki-shi, Aichi 4448522

Specification

Documents

Application Documents

#	Name	Date
1	202347040487-STATEMENT OF UNDERTAKING (FORM 3) [14-06-2023(online)].pdf	2023-06-14
2	202347040487-PRIORITY DOCUMENTS [14-06-2023(online)].pdf	2023-06-14
3	202347040487-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [14-06-2023(online)].pdf	2023-06-14
4	202347040487-FORM 1 [14-06-2023(online)].pdf	2023-06-14
5	202347040487-DRAWINGS [14-06-2023(online)].pdf	2023-06-14
6	202347040487-DECLARATION OF INVENTORSHIP (FORM 5) [14-06-2023(online)].pdf	2023-06-14
7	202347040487-COMPLETE SPECIFICATION [14-06-2023(online)].pdf	2023-06-14
8	202347040487-RELEVANT DOCUMENTS [03-07-2023(online)].pdf	2023-07-03
9	202347040487-MARKED COPIES OF AMENDEMENTS [03-07-2023(online)].pdf	2023-07-03
10	202347040487-FORM 13 [03-07-2023(online)].pdf	2023-07-03
11	202347040487-AMMENDED DOCUMENTS [03-07-2023(online)].pdf	2023-07-03
12	202347040487-FORM 3 [14-07-2023(online)].pdf	2023-07-14
13	202347040487-FORM-26 [01-08-2023(online)].pdf	2023-08-01
14	202347040487-Proof of Right [29-11-2023(online)].pdf	2023-11-29
15	202347040487-FORM 18 [09-04-2024(online)].pdf	2024-04-09