EP4144900A4 - POLYESTER MONOFILAMENT - Google Patents

POLYESTER MONOFILAMENT

Info

Publication number: EP4144900A4
Authority: EP; European Patent Office
Prior art keywords: polyester monofilament; monofilament; polyester
Prior art date: 2020-06-30
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Pending

Application number

EP21834470.3A

Other languages

German (de)

French (fr)

Other versions

EP4144900A1 (en

Inventor

Atsushi Toyama

Takuya MIURA

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Toray Industries Inc

Original Assignee

Toray Industries Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2020-06-30

Filing date

2021-05-31

Publication date

2025-04-23

2021-05-31 Application filed by Toray Industries Inc filed Critical Toray Industries Inc

2023-03-08 Publication of EP4144900A1 publication Critical patent/EP4144900A1/en

2025-04-23 Publication of EP4144900A4 publication Critical patent/EP4144900A4/en

Status Pending legal-status Critical Current

Links

Classifications

- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/10—Filtering or de-aerating the spinning solution or melt
- D01D1/106—Filtering
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/34—Core-skin structure; Spinnerette packs therefor
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent

Landscapes

Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Mechanical Engineering (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Artificial Filaments (AREA)
Printing Plates And Materials Therefor (AREA)

EP21834470.3A 2020-06-30 2021-05-31 POLYESTER MONOFILAMENT Pending EP4144900A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2020112490		2020-06-30
PCT/JP2021/020583 WO2022004225A1 (en)	2020-06-30	2021-05-31	Polyester monofilament

Publications (2)

Publication Number	Publication Date
EP4144900A1 EP4144900A1 (en)	2023-03-08
EP4144900A4 true EP4144900A4 (en)	2025-04-23

Family

ID=79315927

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP21834470.3A Pending EP4144900A4 (en)	2020-06-30	2021-05-31	POLYESTER MONOFILAMENT

Country Status (4)

Country	Link
EP (1)	EP4144900A4 (en)
JP (1)	JPWO2022004225A1 (en)
CN (1)	CN115605639A (en)
WO (1)	WO2022004225A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2002266152A (en) *	2001-03-07	2002-09-18	Toyobo Co Ltd	Melt spinning spinneret pack and method for producing thermoplastic resin fiber
JP2008101288A (en) *	2006-10-18	2008-05-01	Teijin Fibers Ltd	Monofilament for screen gauze, excellent in dimensional stability
JP2011021296A (en) *	2009-07-16	2011-02-03	Teijin Fibers Ltd	Monofilament for screen gauze, excellent in dimensional stability
JP4944561B2 (en) *	2006-10-18	2012-06-06	帝人ファイバー株式会社	Screen filament monofilament
JP2015081399A (en) *	2013-10-24	2015-04-27	Ｔｍｔマシナリー株式会社	Filter and spinning method

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1094957A (en) *	1976-04-23	1981-02-03	Harry M. Kennard	Filter medium
JPH05253418A (en) *	1991-05-20	1993-10-05	Tokyo Seiko Co Ltd	Sintered type filter
JP3778088B2 (en)	2002-01-21	2006-05-24	東レ株式会社	Core-sheath type composite polyester monofilament for screen bag and method for producing the same
JP2008069491A (en) *	2006-09-15	2008-03-27	Teijin Fibers Ltd	Polyester monofilament for screen gauze
JP2008095242A (en) *	2006-10-12	2008-04-24	Teijin Fibers Ltd	Polyester monofilament for screen gauze
JP4870619B2 (en) *	2007-05-24	2012-02-08	帝人ファイバー株式会社	Core-sheath monofilament for screens
JP5741493B2 (en) *	2011-03-10	2015-07-01	三菱レイヨン株式会社	Filter material for purifying acrylonitrile-based polymer solution, method for producing acrylonitrile-based polymer solution using the filter material, etc.
JP5336615B2 (en)	2012-01-06	2013-11-06	帝人株式会社	Screen filament monofilament
JP6160250B2 (en) *	2013-05-29	2017-07-12	東レ株式会社	Method for producing polyamide monofilament
WO2016052269A1 (en) *	2014-09-30	2016-04-07	東レ株式会社	Polyester filament package
JP6108585B1 (en) *	2017-01-06	2017-04-05	武渡邊	Spinning filter, spinning pack and spinning method
CN110770376B (en) *	2017-08-30	2022-11-08	东丽株式会社	Single-component polyester monofilament for high-precision high-mesh-number filter
CN108754631A (en) *	2018-08-01	2018-11-06	张家港市金星纺织有限公司	A kind of spandex silk stock solution Rose Box
CN113166978B (en) *	2019-02-25	2023-05-12	东丽株式会社	Core-sheath composite polyester monofilament for high-definition high-mesh filter
JP7392266B2 (en) *	2019-03-07	2023-12-06	東レ株式会社	Composite polyester monofilament for high mesh screen gauze and its manufacturing method

2021
- 2021-05-31 WO PCT/JP2021/020583 patent/WO2022004225A1/en not_active Ceased
- 2021-05-31 CN CN202180035253.0A patent/CN115605639A/en active Pending
- 2021-05-31 EP EP21834470.3A patent/EP4144900A4/en active Pending
- 2021-05-31 JP JP2021534683A patent/JPWO2022004225A1/ja active Pending

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2002266152A (en) *	2001-03-07	2002-09-18	Toyobo Co Ltd	Melt spinning spinneret pack and method for producing thermoplastic resin fiber
JP2008101288A (en) *	2006-10-18	2008-05-01	Teijin Fibers Ltd	Monofilament for screen gauze, excellent in dimensional stability
JP4944561B2 (en) *	2006-10-18	2012-06-06	帝人ファイバー株式会社	Screen filament monofilament
JP2011021296A (en) *	2009-07-16	2011-02-03	Teijin Fibers Ltd	Monofilament for screen gauze, excellent in dimensional stability
JP2015081399A (en) *	2013-10-24	2015-04-27	Ｔｍｔマシナリー株式会社	Filter and spinning method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022004225A1 *

Also Published As

Publication number	Publication date
CN115605639A (en)	2023-01-13
JPWO2022004225A1 (en)	2022-01-06
WO2022004225A1 (en)	2022-01-06
EP4144900A1 (en)	2023-03-08

Legal Events

Date	Code	Title	Description
2022-01-07	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2023-02-03	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2023-02-03	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2023-03-08	17P	Request for examination filed	Effective date: 20221128
2023-03-08	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2023-10-04	DAV	Request for validation of the european patent (deleted)
2023-10-04	DAX	Request for extension of the european patent (deleted)
2025-04-23	A4	Supplementary search report drawn up and despatched	Effective date: 20250325
2025-04-23	RIC1	Information provided on ipc code assigned before grant	Ipc: D01D 5/34 20060101ALI20250319BHEP Ipc: D01F 8/14 20060101ALI20250319BHEP Ipc: D01D 1/10 20060101ALI20250319BHEP Ipc: D01F 6/62 20060101AFI20250319BHEP

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