Title:
MELT SPINNING APPARATUS AND NON-WOVEN FABRIC PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2020/129256
Kind Code:
A1
Abstract:
A melt spinning apparatus comprising: a spinning part that includes a plurality of spinning nozzles for spinning filaments; a cooling part that cools the filaments spun from the spinning nozzles; and a cool-air supplying part that faces the cooling part and supplies cool air to the cooling part via a breathable partition, wherein said cool-air supplying part is divided by a partition into two stages in the vertical direction and includes a first cool-air supplying part on the vertical upper side and a second cool-air supplying part on the vertical lower side, there is a gap between the end part of said partition facing the breathable partition and the face of the breathable partition on the side facing said partition, and said gap spans a distance (distance A) of no more than 55 mm.
Inventors:
ODOI MASAAKI (JP)
KAWADA ATSUSHI (JP)
YOKOYAMA TETSUYA (JP)
KAWADA ATSUSHI (JP)
YOKOYAMA TETSUYA (JP)
Application Number:
PCT/JP2018/047370
Publication Date:
June 25, 2020
Filing Date:
December 21, 2018
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
D01D5/092
Foreign References:
| JPS4636421Y1 | 1971-12-15 | |||
| JP2007046224A | 2007-02-22 | |||
| JPH0322070U | 1991-03-06 | |||
| JPS50119708U | 1975-09-30 | |||
| JPS4998506U | 1974-08-24 | |||
| US3070839A | 1963-01-01 | |||
| JPS63275767A | 1988-11-14 | |||
| JP2002317372A | 2002-10-31 |
Other References:
See also references of EP 3690086A4
Attorney, Agent or Firm:
NAKAJIMA, Jun et al. (JP)
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