EP3380666A4 - Racleur de fond pour cuve de traitement de matière de cellulose - Google Patents

Racleur de fond pour cuve de traitement de matière de cellulose Download PDF

Info

Publication number: EP3380666A4
Authority: EP; European Patent Office
Prior art keywords: treatment vessel; cellulose material; material treatment; bottom scraper; scraper
Prior art date: 2015-11-27
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP16868987.5A

Other languages

German (de)

English (en)

Other versions

EP3380666A1 (fr

Inventor

Magnus WILHELMSSON

Magnus Hägglund

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.)

Valmet Technologies Oy

Valmet AB

Original Assignee

Valmet Oy

Valmet 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.)

2015-11-27

Filing date

2016-11-25

Publication date

2019-07-24

2016-11-25 Application filed by Valmet Oy, Valmet AB filed Critical Valmet Oy

2018-10-03 Publication of EP3380666A1 publication Critical patent/EP3380666A1/fr

2019-07-24 Publication of EP3380666A4 publication Critical patent/EP3380666A4/fr

Status Withdrawn legal-status Critical Current

Links

229920002678 cellulose Polymers 0.000 title 1
239000001913 cellulose Substances 0.000 title 1
239000000463 material Substances 0.000 title 1

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C7/00—Digesters
- D21C7/08—Discharge devices

EP16868987.5A 2015-11-27 2016-11-25 Racleur de fond pour cuve de traitement de matière de cellulose Withdrawn EP3380666A4 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE1551552A SE1551552A1 (en)	2015-11-27	2015-11-27	Bottom scraper for a cellulose material treatment vessel
PCT/SE2016/051169 WO2017091138A1 (fr)	2015-11-27	2016-11-25	Racleur de fond pour cuve de traitement de matière de cellulose

Publications (2)

Publication Number	Publication Date
EP3380666A1 EP3380666A1 (fr)	2018-10-03
EP3380666A4 true EP3380666A4 (fr)	2019-07-24

Family

ID=58503793

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP16868987.5A Withdrawn EP3380666A4 (fr)	2015-11-27	2016-11-25	Racleur de fond pour cuve de traitement de matière de cellulose

Country Status (3)

Country	Link
EP (1)	EP3380666A4 (fr)
SE (1)	SE1551552A1 (fr)
WO (1)	WO2017091138A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE1850365A1 (en) *	2018-03-29	2019-09-30	Valmet Oy	Diverter for a feed out arrangement for a digester and feed out arrangement comprising such a diverter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB654738A (en) *	1948-09-22	1951-06-27	Cellulose Dev Corp Ltd	Improvements in or relating to processes and apparatus for the continuous treatment of vegetable fibres
EP1869250A1 (fr) *	2005-03-23	2007-12-26	Kvaerner Pulping AB	Dispositif permettant d'apporter une suspension epaisse de copeaux et de liquide
EP1988211A2 (fr) *	2007-04-23	2008-11-05	Andritz, Inc.	Dispositif de sortie pour récipients pressurisés disposant d'un revêtement radial combiné et moteur à commande hydraulique
WO2012102650A1 (fr) *	2011-01-25	2012-08-02	Metso Paper Sweden Ab	Digesteur en continu à racloir inférieur équipé d'ouvertures de drainage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3804304A (en) *	1969-04-08	1974-04-16	Kamyr Ab	Device for discharging cellulosic pulp out of a container
AU3196897A (en) *	1997-04-30	1998-11-24	Kvaerner Pulping Ab	Outlet arrangement in a pressure vessel for the bleaching of pulp
US6280575B1 (en) *	1998-05-29	2001-08-28	Andritz-Ahlstrom Inc.	Frusto-conical outlet for a cellulose material treatment vessel
SE538417C2 (sv) *	2014-05-23	2016-06-21	Valmet Oy	Mantelförlängning på kokare

2015
- 2015-11-27 SE SE1551552A patent/SE1551552A1/en not_active IP Right Cessation
2016
- 2016-11-25 EP EP16868987.5A patent/EP3380666A4/fr not_active Withdrawn
- 2016-11-25 WO PCT/SE2016/051169 patent/WO2017091138A1/fr not_active Ceased

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB654738A (en) *	1948-09-22	1951-06-27	Cellulose Dev Corp Ltd	Improvements in or relating to processes and apparatus for the continuous treatment of vegetable fibres
EP1869250A1 (fr) *	2005-03-23	2007-12-26	Kvaerner Pulping AB	Dispositif permettant d'apporter une suspension epaisse de copeaux et de liquide
EP1988211A2 (fr) *	2007-04-23	2008-11-05	Andritz, Inc.	Dispositif de sortie pour récipients pressurisés disposant d'un revêtement radial combiné et moteur à commande hydraulique
WO2012102650A1 (fr) *	2011-01-25	2012-08-02	Metso Paper Sweden Ab	Digesteur en continu à racloir inférieur équipé d'ouvertures de drainage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017091138A1 *

Also Published As

Publication number	Publication date
EP3380666A1 (fr)	2018-10-03
SE539140C2 (en)	2017-04-18
WO2017091138A1 (fr)	2017-06-01
SE1551552A1 (en)	2017-04-18

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Legal Events

Date	Code	Title	Description
2017-06-02	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2018-08-31	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
2018-08-31	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2018-10-03	17P	Request for examination filed	Effective date: 20180409
2018-10-03	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
2018-10-03	AX	Request for extension of the european patent	Extension state: BA ME
2019-03-06	DAV	Request for validation of the european patent (deleted)
2019-03-06	DAX	Request for extension of the european patent (deleted)
2019-07-24	A4	Supplementary search report drawn up and despatched	Effective date: 20190625
2019-07-24	RIC1	Information provided on ipc code assigned before grant	Ipc: D21C 7/08 20060101AFI20190618BHEP
2020-07-24	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2020-08-26	18D	Application deemed to be withdrawn	Effective date: 20200123