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Title:
MELT BLOWN NONWOVEN FABRIC, LAMINATE USING SAME, MELT BLOWN NONWOVEN FABRIC PRODUCTION METHOD AND MELT BLOWING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/031286
Kind Code:
A1
Abstract:
Provided are: a melt blown (MB) nonwoven fabric; a laminate using the same; a melt blow nonwoven fabric production method; and a melt blowing apparatus. A melt blowing apparatus 100 is provided with a die 10 for discharging a resin melt 42 together with an associated flow, a hollow cover 20, and a collection member 60. A discharged thread-like substance 50 from the die 10 is heated to at least the crystallization temperature of the thermoplastic resin inside the hollow cover 20 and is collected by a collecting surface 62 of the collection member 60. The hollow cover 20 and the collection member 60 are separated such that the distance from a lower edge 28 of the hollow cover 20 to the collecting surface 62 in a straight line in the vertically downward direction from a nozzle hole 12 is at least 5 cm.

Inventors:
OKAMOTO TETSUYA (JP)
SHIROTANI YASUHIRO (JP)
Application Number:
JP2018/028417
Publication Date:
February 14, 2019
Filing Date:
July 30, 2018
Export Citation:
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Assignee:
KURARAY CO (JP)
International Classes:
D04H3/011; B32B5/26; D01D5/08; D01D5/092; D04H3/16
Domestic Patent References:
WO2002046504A12002-06-13
Foreign References:
JP2003301357A2003-10-24
JPH0345768A1991-02-27
JPH11131354A1999-05-18
JPH06192954A1994-07-12
JPH11350324A1999-12-21
JP2010514953A2010-05-06
JPH0345768A1991-02-27
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
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