CA3215281A1 - A cellulose product toggle pressing module and method for using the same - Google Patents

A cellulose product toggle pressing module and method for using the same Download PDF

Info

Publication number
CA3215281A1
CA3215281A1 CA3215281A CA3215281A CA3215281A1 CA 3215281 A1 CA3215281 A1 CA 3215281A1 CA 3215281 A CA3215281 A CA 3215281A CA 3215281 A CA3215281 A CA 3215281A CA 3215281 A1 CA3215281 A1 CA 3215281A1
Authority
CA
Canada
Prior art keywords
pressing
forming
toggle
cellulose
module
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
CA3215281A
Other languages
English (en)
French (fr)
Inventor
Ove Larsson
Olle Hogblom
Martin Ljungberg
Edward Guidotti
Bjorn Arlerot
Patrik Larsson
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.)
Pulpac AB
Original Assignee
Pulpac AB
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 PCT/EP2021/059811 external-priority patent/WO2022218531A1/en
Priority claimed from PCT/EP2021/059810 external-priority patent/WO2022218530A1/en
Priority claimed from SE2151618A external-priority patent/SE546610C2/en
Application filed by Pulpac AB filed Critical Pulpac AB
Publication of CA3215281A1 publication Critical patent/CA3215281A1/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B11/00Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/005Control arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27NMANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N1/00Pretreatment of moulding material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27NMANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/007Manufacture of substantially flat articles, e.g. boards, from particles or fibres and at least partly composed of recycled material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27NMANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/04Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27NMANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08Moulding or pressing
    • B27N3/18Auxiliary operations, e.g. preheating, humidifying, cutting-off
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27NMANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N5/00Manufacture of non-flat articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B1/00Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/10Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/30Feeding material to presses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/30Feeding material to presses
    • B30B15/302Feeding material in particulate or plastic state to moulding presses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B9/00Presses specially adapted for particular purposes
    • B30B9/28Presses specially adapted for particular purposes for forming shaped articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/006Controlling; Regulating; Measuring; Improving safety
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/02Feeding or positioning sheets, blanks or webs
    • B31B50/10Feeding or positioning webs
    • B31B50/102Feeding or positioning webs using rolls, belts or chains
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/59Shaping sheet material under pressure
    • B31B50/592Shaping sheet material under pressure using punches or dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31FMECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/0077Shaping by methods analogous to moulding, e.g. deep drawing techniques
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B1/00Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/10Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism
    • B30B1/103Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism operated by screw means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/59Shaping sheet material under pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74Auxiliary operations
    • B31B50/742Coating; Impregnating; Waterproofing; Decoating
    • B31B50/747Coating or impregnating blanks or webs

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Reinforced Plastic Materials (AREA)
  • Nonwoven Fabrics (AREA)
  • Paper (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
CA3215281A 2021-04-15 2022-04-08 A cellulose product toggle pressing module and method for using the same Pending CA3215281A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
EPPCT/EP2021/059811 2021-04-15
PCT/EP2021/059811 WO2022218531A1 (en) 2021-04-15 2021-04-15 A method for manufacturing cellulose products and a product forming unit for manufacturing cellulose products
PCT/EP2021/059810 WO2022218530A1 (en) 2021-04-15 2021-04-15 A cellulose product toggle pressing module and method for using the same
EPPCT/EP2021/059810 2021-04-15
SE2151618A SE546610C2 (en) 2021-12-23 2021-12-23 A method for forming a cellulose product and a machine for forming the cellulose product
SE2151618-2 2021-12-23
PCT/EP2022/059510 WO2022218872A1 (en) 2021-04-15 2022-04-08 A cellulose product toggle pressing module and method for using the same

Publications (1)

Publication Number Publication Date
CA3215281A1 true CA3215281A1 (en) 2022-10-20

Family

ID=81579488

Family Applications (2)

Application Number Title Priority Date Filing Date
CA3215281A Pending CA3215281A1 (en) 2021-04-15 2022-04-08 A cellulose product toggle pressing module and method for using the same
CA3215284A Pending CA3215284A1 (en) 2021-04-15 2022-04-08 Method for dry-forming cellulose products from a cellulose blank structure in a product forming unit and a product forming unit

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA3215284A Pending CA3215284A1 (en) 2021-04-15 2022-04-08 Method for dry-forming cellulose products from a cellulose blank structure in a product forming unit and a product forming unit

Country Status (9)

Country Link
US (2) US12420517B2 (https=)
EP (3) EP4349583A1 (https=)
JP (2) JP2024514892A (https=)
AU (2) AU2022259460A1 (https=)
CA (2) CA3215281A1 (https=)
MX (1) MX2023012057A (https=)
TW (2) TW202302330A (https=)
WO (2) WO2022218873A1 (https=)
ZA (1) ZA202309109B (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE546610C2 (en) * 2021-12-23 2025-01-02 Pulpac AB A method for forming a cellulose product and a machine for forming the cellulose product
SE546676C2 (en) * 2023-05-02 2025-01-14 Pulpac AB A mill for an air-formed cellulose blank product and method for using the same
SE546674C2 (en) * 2023-07-07 2025-01-14 Pulpac AB Method for transporting an air-formed cellulose blank structure and buffering module
IT202300026559A1 (it) * 2023-12-13 2025-06-13 Sacmi Metodo ed elemento multistrato per la produzione di oggetti mediante stampaggio a compressione
GB2642330A (en) 2024-07-03 2026-01-07 Diageo Great Britain Ltd A package

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB675652A (en) * 1946-11-15 1952-07-16 Crown Machine And Tool Company Improvements in and relating to machines for moulding plastic materials
DE1054228B (de) * 1955-02-22 1959-04-02 Kurt B Schoenenberger Hydraulische Presse zum Herstellen von einseitig offenen Hohlkoerpern aus nicht steig-, aber schuettfaehigen Press-massen, vorzugsweise mit Bindemitteln versetzten Holzspaenen od. dgl.
LU34188A1 (https=) * 1956-08-08
CH349137A (fr) * 1958-09-19 1960-09-30 Bobst Fils Sa J Presse pour le travail d'une matière en feuilles
US3071805A (en) * 1958-12-29 1963-01-08 Allwood Inc Method and means for producing wood-composition panels
SE338426B (https=) * 1970-04-29 1971-09-06 Motala Verkstad Ab
US4024014A (en) * 1975-12-15 1977-05-17 Conwed Corporation Non-combustible hardboard sheet
SE399015B (sv) 1976-10-06 1978-01-30 Reinhall Rolf Sett att framstella fiberplattor
US4726881A (en) 1983-02-28 1988-02-23 Masonite Corporation Method of making wet process panels of composite wood material with semi-matching contoured pressure plates
SE461962B (sv) * 1987-12-16 1990-04-23 Sunds Defibrator Ind Ab Saett och anordning foer framstaellning av fiberboardskivor
JPH0811246A (ja) 1994-07-04 1996-01-16 Okabe Eng Kk 紙シ−トとパルプ繊維シ−トを素材とする成形品およびその製造方法
DE9419302U1 (de) * 1994-07-16 1995-02-09 Sächsische Landesgewerbeförderungsgesellschaft mbH, 09131 Chemnitz Preßhülse für Brikettierpressen
JPH10202606A (ja) * 1997-01-17 1998-08-04 Kenji Aoki 合板の製造装置及び製造方法並びに合板
JP3517774B2 (ja) * 1998-11-10 2004-04-12 東洋機械金属株式会社 成形機の型締力調整方法および成形機
JP2002172592A (ja) * 2000-12-07 2002-06-18 Seibu Electric & Mach Co Ltd 生分解性シートから成形品を加熱圧縮成形する成形装置
JP2002225011A (ja) * 2001-02-05 2002-08-14 Taiyo Gosei Kk 成形用木質系組成物及びその製造方法
US20030119406A1 (en) * 2001-12-20 2003-06-26 Abuto Francis Paul Targeted on-line stabilized absorbent structures
NZ515579A (en) * 2002-03-31 2004-08-27 Christian Church Community Tru Method and apparatus for producing plant container liners particularly from sphagnum moss
US20080211126A1 (en) * 2005-03-16 2008-09-04 Sumitomo Heavy Industries, Ltd. Molding Condition Setting Method and Control Method of Injection Molding Machine
AT8679U1 (de) 2005-09-20 2006-11-15 Engel Austria Gmbh Einrichtung zum regeln einer spritzgiessmaschine
JP6380780B2 (ja) * 2015-07-03 2018-08-29 セイコーエプソン株式会社 シート製造装置、シート製造方法、樹脂粉体及びシート
JP2017132229A (ja) * 2016-01-29 2017-08-03 住友重機械工業株式会社 射出成形システム
SE539948C2 (en) * 2016-03-18 2018-02-06 The Core Company Ab ISOSTATIC PRESSURE FORMING OF HEATED DRY CELLULOSE FIBERS
SE541995E (en) * 2017-03-16 2025-06-24 Pulpac AB Method for forming a cellulose product, cellulose product forming apparatus and cellulose product
JP7032188B2 (ja) 2017-03-31 2022-03-08 住友重機械工業株式会社 射出成形機
WO2019209160A1 (en) 2018-04-25 2019-10-31 Pulpac AB A method for producing a cellulose product
JP6868248B2 (ja) * 2018-08-02 2021-05-12 ダイマック株式会社 プレス機の帯状ワーク移送装置及び帯状ワーク移送装置の移送パラメータ設定方法
JP2020033664A (ja) * 2018-08-29 2020-03-05 セイコーエプソン株式会社 繊維成形物、繊維成形装置、繊維成形物の製造方法
SE544079C2 (en) * 2018-12-20 2021-12-14 Pulpac AB Forming mould system and method for forming cellulose products
SE543410C2 (en) 2019-03-08 2021-01-05 Pulpac AB A method for producing cellulose products and a forming unit
LT3994304T (lt) 2019-07-02 2023-10-10 Pulpac AB Celiuliozės produkto gamybos būdas ir celiuliozės produktas

Also Published As

Publication number Publication date
EP4323182A1 (en) 2024-02-21
JP2024514892A (ja) 2024-04-03
AU2022259460A1 (en) 2023-10-05
EP4323181A1 (en) 2024-02-21
WO2022218872A1 (en) 2022-10-20
ZA202309109B (en) 2024-08-28
EP4349583A1 (en) 2024-04-10
US12420517B2 (en) 2025-09-23
TW202306731A (zh) 2023-02-16
AU2022258535A1 (en) 2023-10-05
JP2024518278A (ja) 2024-05-01
CA3215284A1 (en) 2022-10-20
MX2023012057A (es) 2023-10-23
US20240181739A1 (en) 2024-06-06
US20240181740A1 (en) 2024-06-06
TW202302330A (zh) 2023-01-16
EP4323182B1 (en) 2025-07-16
WO2022218873A1 (en) 2022-10-20

Similar Documents

Publication Publication Date Title
EP4323182B1 (en) A cellulose product toggle pressing module and method for using the same
EP4323180B1 (en) A cellulose product toggle pressing module and method for using the same
JP7634723B2 (ja) セルロース製品を製造するための方法およびセルロース製品を製造するための製品成形ユニット
CN117203044A (zh) 一种纤维素产品的肘节压制模块及其使用方法
US20250050612A1 (en) A pressing module for forming cellulose products and a method for forming cellulose products
JP2024514892A5 (https=)
US20160347017A1 (en) Device for compacting stacked sheets or pulp slabs
TWI918912B (zh) 用於製造纖維素製品之方法及用於製造纖維素製品之製品成型單元
CN113635597B (zh) 全自动纸盒成型机
EP4551488A1 (en) Method for transporting a cellulose blank structure via a buffering module and buffering module
KR100589211B1 (ko) 진공성형기에 있어서의 금형구동장치
JP7401485B2 (ja) プレス装置およびプレス装置の制御方法
RU2248276C1 (ru) Станок для формовки

Legal Events

Date Code Title Description
MFA Maintenance fee for application paid

Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 3RD ANNIV.) - STANDARD

Year of fee payment: 3

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20250212

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT DETERMINED COMPLIANT

Effective date: 20250212

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20250212

MFA Maintenance fee for application paid

Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 4TH ANNIV.) - STANDARD

Year of fee payment: 4

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20260209

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20260209

D11 Substantive examination requested

Free format text: ST27 STATUS EVENT CODE: A-1-1-D10-D11-D117 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: REQUEST FOR EXAMINATION RECEIVED

Effective date: 20260311

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-1-1-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT

Effective date: 20260311

D00 Search and/or examination requested or commenced

Free format text: ST27 STATUS EVENT CODE: A-1-1-D10-D00-D118 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: REQUEST FOR EXAMINATION REQUIREMENTS DETERMINED COMPLIANT

Effective date: 20260324

D11 Substantive examination requested

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D11-D155 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: ALL REQUIREMENTS FOR EXAMINATION DETERMINED COMPLIANT

Effective date: 20260324

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20260324