EP4072836A4 - Mit übertragungsmaterial integrierte verflochtene verbundwerkstoffe und verfahren zu ihrer herstellung - Google Patents

Mit übertragungsmaterial integrierte verflochtene verbundwerkstoffe und verfahren zu ihrer herstellung Download PDF

Info

Publication number
EP4072836A4
EP4072836A4 EP20897907.0A EP20897907A EP4072836A4 EP 4072836 A4 EP4072836 A4 EP 4072836A4 EP 20897907 A EP20897907 A EP 20897907A EP 4072836 A4 EP4072836 A4 EP 4072836A4
Authority
EP
European Patent Office
Prior art keywords
interlaced
manufacturing
transmission material
composites
integrated
Prior art date
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
EP20897907.0A
Other languages
English (en)
French (fr)
Other versions
EP4072836A1 (de
Inventor
Christopher Oberste
Phillip Sung Tse CHENG
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.)
Weav3d Inc
Original Assignee
Weav3d 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.)
Filing date
Publication date
Priority claimed from US16/711,668 external-priority patent/US20200115847A1/en
Application filed by Weav3d Inc filed Critical Weav3d Inc
Publication of EP4072836A1 publication Critical patent/EP4072836A1/de
Publication of EP4072836A4 publication Critical patent/EP4072836A4/de
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B29C70/22—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two-dimensional [2D] structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B29C70/545—Perforating, cutting or machining during or after moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/88—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/88—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
    • B29C70/882—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced partly or totally electrically conductive, e.g. for EMI shielding
    • B29C70/885—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced partly or totally electrically conductive, e.g. for EMI shielding with incorporated metallic wires, nets, films or plates
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D03D1/0088—Fabrics having an electronic function
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/533—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads antistatic; electrically conductive
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/547—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads with optical functions other than colour, e.g. comprising light-emitting fibres
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/60—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the warp or weft elements other than yarns or threads
    • D03D15/67—Metal wires
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D41/00—Looms not otherwise provided for, e.g. for weaving chenille yarn; Details peculiar to these looms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00—Processes of additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y70/00—Materials specially adapted for additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2101/00—Inorganic fibres
    • D10B2101/20—Metallic fibres
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/16—Physical properties antistatic; conductive
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/18—Physical properties including electronic components
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/20—Physical properties optical

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Woven Fabrics (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Reinforced Plastic Materials (AREA)
EP20897907.0A 2019-12-12 2020-12-10 Mit übertragungsmaterial integrierte verflochtene verbundwerkstoffe und verfahren zu ihrer herstellung Pending EP4072836A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/711,668 US20200115847A1 (en) 2014-08-08 2019-12-12 Interlaced composites integrated with transmission material and method for fabricating the same
PCT/US2020/064157 WO2021119224A1 (en) 2019-12-12 2020-12-10 Interlaced composites integrated with transmission material and method for fabricating the same

Publications (2)

Publication Number Publication Date
EP4072836A1 EP4072836A1 (de) 2022-10-19
EP4072836A4 true EP4072836A4 (de) 2024-01-10

Family

ID=76330770

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20897907.0A Pending EP4072836A4 (de) 2019-12-12 2020-12-10 Mit übertragungsmaterial integrierte verflochtene verbundwerkstoffe und verfahren zu ihrer herstellung

Country Status (4)

Country Link
EP (1) EP4072836A4 (de)
JP (1) JP2023505667A (de)
KR (1) KR20220116228A (de)
WO (1) WO2021119224A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114109044B (zh) * 2021-11-25 2022-08-23 浙江大学 一种3d编织打印一体化结构建造设备
CN114833969B (zh) * 2022-03-31 2024-04-16 宿州赛尔沃德物联网科技有限公司 一种壳体零件模具快速成型的方法
KR102663737B1 (ko) * 2022-10-31 2024-05-09 한국조폐공사 내구성이 향상된 힌지 및 이를 포함하는 보안문서

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5568964A (en) * 1992-07-10 1996-10-29 Lumitex, Inc. Fiber optic light emitting panel assemblies and methods of making such panel assemblies
WO2014092781A1 (en) * 2012-12-14 2014-06-19 Intel Corporation Electrically functional fabric for flexible electronics
EP2206813B1 (de) * 2009-01-09 2015-05-20 Strähle + Hess GmbH Elektrisch erwärmbares Flächenheizelement und Innenausbauteil für Kraftfahrzeuge mit einem elektrisch erwärmbaren Flächenheizelement
US20160333503A1 (en) * 2015-05-12 2016-11-17 Taiwan Textile Research Institute Conductive textile
US20170251555A1 (en) * 2014-09-30 2017-08-31 Apple Inc. Fabric With Embedded Electrical Components
EP2971302B1 (de) * 2013-03-13 2018-08-29 NV Bekaert SA Elektrisch leitfähiger stoff

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3654381A (en) * 1970-06-26 1972-04-04 Surprenant Inc Woven flat conductor
JPS62289645A (ja) * 1986-06-05 1987-12-16 日本金属株式会社 織物
US6031511A (en) * 1997-06-10 2000-02-29 Deluca; Michael J. Multiple wave guide phosphorous display
EP1430336A4 (de) * 2001-08-31 2005-08-24 Federal Mogul Powertrain Inc Träger für optische fasern
EP1722614B1 (de) * 2005-05-13 2007-12-12 Sefar AG Leiterplatte und Verfahren zu deren Herstellung
JP2010106407A (ja) * 2008-10-31 2010-05-13 Urase Kk フイルムヤーン光ファイバー織物およびその加工方法
JP5461930B2 (ja) * 2009-09-10 2014-04-02 三菱レイヨン株式会社 強化繊維織物及びその製造方法
US20110073353A1 (en) * 2009-09-29 2011-03-31 Tex-Ray Industrial Co., Ltd. Conductive fabric and method for forming the same
KR101325817B1 (ko) * 2010-01-14 2013-11-05 실버레이 주식회사 도전성 직조물, 그 제조방법 및 제조장치
JP5582531B2 (ja) * 2010-07-27 2014-09-03 独立行政法人産業技術総合研究所 エレクトロニクステキスタイル用接点構造及びその製造方法
US20200115847A1 (en) * 2014-08-08 2020-04-16 WEAV3D, Inc. Interlaced composites integrated with transmission material and method for fabricating the same
US9809926B2 (en) * 2014-08-08 2017-11-07 Georgia Tech Research Corporation Interlaced three-dimensional printed composites and method for fabricating the same
JP6799817B2 (ja) * 2016-11-28 2020-12-16 パナソニックＩｐマネジメント株式会社 フレキシブル配線基板、電子機器、繊維製品
JP2018168501A (ja) * 2017-03-30 2018-11-01 ユニチカ株式会社 導電性布帛およびこの導電性布帛に用いられる導電性繊維
JP2019077969A (ja) * 2017-10-26 2019-05-23 国立大学法人福井大学 光ファイバー織物及び視神経活動測定支援装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5568964A (en) * 1992-07-10 1996-10-29 Lumitex, Inc. Fiber optic light emitting panel assemblies and methods of making such panel assemblies
EP2206813B1 (de) * 2009-01-09 2015-05-20 Strähle + Hess GmbH Elektrisch erwärmbares Flächenheizelement und Innenausbauteil für Kraftfahrzeuge mit einem elektrisch erwärmbaren Flächenheizelement
WO2014092781A1 (en) * 2012-12-14 2014-06-19 Intel Corporation Electrically functional fabric for flexible electronics
EP2971302B1 (de) * 2013-03-13 2018-08-29 NV Bekaert SA Elektrisch leitfähiger stoff
US20170251555A1 (en) * 2014-09-30 2017-08-31 Apple Inc. Fabric With Embedded Electrical Components
US20160333503A1 (en) * 2015-05-12 2016-11-17 Taiwan Textile Research Institute Conductive textile

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021119224A1 *

Also Published As

Publication number Publication date
WO2021119224A1 (en) 2021-06-17
JP2023505667A (ja) 2023-02-10
EP4072836A1 (de) 2022-10-19
KR20220116228A (ko) 2022-08-22

Similar Documents

Publication Publication Date Title
EP4181159A4 (de) Induktoranordnung und herstellungsverfahren dafür
EP4072836A4 (de) Mit übertragungsmaterial integrierte verflochtene verbundwerkstoffe und verfahren zu ihrer herstellung
EP3757240A4 (de) Verbundmaterial und verfahren zur herstellung eines verbundmaterials
EP3418416A4 (de) Zweiphasiger ferritisch-austenitischer edelstahl und verfahren zur herstellung davon
EP3604594A4 (de) Heissgepresstes element und verfahren zur herstellung davon
EP3928977A4 (de) Verfahren zur herstellung eines laminats aus einem zweidimensionalen material und laminat
EP3828298A4 (de) Hochfestes elektrolytisch verzinktes stahlblech mit hoher ausbeute und verfahren zu seiner herstellung
EP3640986A4 (de) Oled-anzeigetafel und herstellungsverfahren dafür
EP2749662A4 (de) Keramisches metallmatrixverbundmaterial und herstellungsverfahren dafür sowie anwendungen davon
EP3404130A4 (de) Biologisch abbaubare, auf aliphatischem polyester basierende faser und verfahren zur herstellung davon
EP3875615A4 (de) Stahlblech, element und verfahren zur herstellung davon
EP3680279A4 (de) Faserverstärktes verbundstoffmaterial und verfahren zur herstellung davon
EP3435387A4 (de) Magnetisches material und herstellungsverfahren dafür
EP4056170A4 (de) Mikrokügelchen zum kontinuierlichen freisetzen und verfahren zur herstellung derselben
EP3845673A4 (de) Stahlblech und herstellungsverfahren dafür
EP3845679A4 (de) Stahlblech und herstellungsverfahren dafür
EP3913125C0 (de) Verschleissfestes wischtuch und verfahren zu seiner herstellung
EP4334520A4 (de) Perforiertes hydrogemustertes vlies und verfahren zur herstellung davon
EP3521464A4 (de) Gleitmaterial und verfahren zur herstellung davon sowie gleitelement
EP3712611A4 (de) Verfahren zur bewertung des reinheitsgrades von recycling-material, verfahren zur herstellung von recycling-material, recycling-zellstofffaser und verfahren zur herstellung einer recycling-zellstofffaser
EP3398770A4 (de) Innenmaterial und verfahren zur herstellung davon
EP3766833A4 (de) Schwefelkohlenstoffverbundstoff und herstellungsverfahren dafür
EP4045315A4 (de) Bauplatte und verfahren zur herstellung einer solchen bauplatte
EP3950993A4 (de) Gekohltes bauteil und verfahren zu seiner herstellung
EP3741726A4 (de) Material mit negativer wärmeausdehnung und verfahren zu dessen herstellung

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

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

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20220708

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

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20231212

RIC1 Information provided on ipc code assigned before grant

Ipc: B29C 70/88 20060101ALI20231206BHEP

Ipc: B29C 70/54 20060101ALI20231206BHEP

Ipc: D03D 41/00 20060101ALI20231206BHEP

Ipc: D03D 15/67 20210101ALI20231206BHEP

Ipc: D03D 15/547 20210101ALI20231206BHEP

Ipc: D03D 15/533 20210101ALI20231206BHEP

Ipc: D03D 1/00 20060101ALI20231206BHEP

Ipc: B33Y 30/00 20150101ALI20231206BHEP

Ipc: B29C 64/00 20170101ALI20231206BHEP

Ipc: B29K 105/08 20060101ALI20231206BHEP

Ipc: B29C 70/50 20060101ALI20231206BHEP

Ipc: B29C 70/24 20060101ALI20231206BHEP

Ipc: B29C 70/22 20060101AFI20231206BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20250131