Title:
開孔不織布の製造方法
Document Type and Number:
Japanese Patent JP6738903
Kind Code:
B2
Abstract:
A perforated non-woven fabric having at least one fiber layer that has a plurality of through holes. The total area of the through holes accounts for 10˜80% of the total area of the perforated non-woven fabric; the opening of the through holes is flat with the surface of the perforated non-woven fabric; and the density of through holes on the perforated non-woven fabric is 3/cm2˜100/cm2. The fiber density at the edge of each through hole is similar to or the same as the fiber density in other areas of the perforated non-woven fabric. The fiber surrounds the through hole, and only the surface of the fiber is bonded to each other.
Inventors:
Xie Tsuka
Cai Kissiang
Luo Ji Long
Cai Kissiang
Luo Ji Long
Application Number:
JP2018544569A
Publication Date:
August 12, 2020
Filing Date:
August 22, 2017
Export Citation:
Assignee:
Xiamen Yanjiang New Material Co., Ltd.
International Classes:
A61F13/512; A61F13/15; D04H13/00; D06B5/08
Domestic Patent References:
| JP2011062227A | ||||
| JP4187146A | ||||
| JP2005538259A |
Foreign References:
| CN103806223A | ||||
| CN102002817A |
Attorney, Agent or Firm:
▲吉▼川 俊雄
Kana Ichikawa
Kana Ichikawa