EP0348659A3 - Roller bowl mill - Google Patents

Roller bowl mill Download PDF

Info

Publication number: EP0348659A3
Authority: EP; European Patent Office
Prior art keywords: bowl mill; roller bowl; roller; mill; bowl
Prior art date: 1988-07-01
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.): Granted

Application number

EP89108953A

Other languages

German (de)

Other versions

EP0348659A2 (en

EP0348659B1 (en

Inventor

Dieter Kiefer

Helmut Grommes

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.)

Deutsche Babcock Werke Energie und Umwelttechnik AG

Original Assignee

Deutsche Babcock Werke AG

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.)

1988-07-01

Filing date

1989-05-18

Publication date

1990-03-21

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6357753&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0348659(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1989-05-18 Application filed by Deutsche Babcock Werke AG filed Critical Deutsche Babcock Werke AG

1990-01-03 Publication of EP0348659A2 publication Critical patent/EP0348659A2/en

1990-03-21 Publication of EP0348659A3 publication Critical patent/EP0348659A3/en

1991-12-27 Application granted granted Critical

1991-12-27 Publication of EP0348659B1 publication Critical patent/EP0348659B1/en

2009-05-18 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C15/001—Air flow directing means positioned on the periphery of the horizontally rotating milling surface

Landscapes

Engineering & Computer Science (AREA)
Food Science & Technology (AREA)
Crushing And Grinding (AREA)

EP89108953A 1988-07-01 1989-05-18 Roller bowl mill Expired - Lifetime EP0348659B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3822290A DE3822290A1 (en)	1988-07-01	1988-07-01	ROLL BOWL MILL
DE3822290		1988-07-01

Publications (3)

Publication Number	Publication Date
EP0348659A2 EP0348659A2 (en)	1990-01-03
EP0348659A3 true EP0348659A3 (en)	1990-03-21
EP0348659B1 EP0348659B1 (en)	1991-12-27

Family

ID=6357753

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP89108953A Expired - Lifetime EP0348659B1 (en)	1988-07-01	1989-05-18	Roller bowl mill

Country Status (7)

Country	Link
US (1)	US4953793A (en)
EP (1)	EP0348659B1 (en)
JP (1)	JP2764612B2 (en)
CN (1)	CN1013927B (en)
DE (2)	DE3822290A1 (en)
RU (1)	RU1837972C (en)
ZA (1)	ZA894081B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1311232C (en) *	1989-07-20	1992-12-08	Randall J. Novotny	Pulverizer having rotatable grinding table with replaceable air port segments
US5019196A (en) *	1989-11-20	1991-05-28	Cmi International, Inc.	Sand muller bowl liner
DE4412197A1 (en) *	1994-04-08	1995-10-19	Loesche Gmbh	Method and device for comminuting material of different grain sizes, in particular an airflow mill
JP5412801B2 (en) *	2008-11-17	2014-02-12	株式会社Ｉｈｉ	Biomass mill
JP5791556B2 (en) *	2012-03-26	2015-10-07	三菱日立パワーシステムズ株式会社	Vertical crusher
CN103521308B (en) *	2013-11-05	2016-03-09	长沙深湘通用机器有限公司	Ring-roller mill
MX2016007548A (en)	2013-12-12	2016-10-03	Coal Milling Projects (Pty) Ltd	A pulveriser mill.
JP6374742B2 (en) *	2014-09-22	2018-08-15	川崎重工業株式会社	Vertical roller mill
DK3025784T3 (en) *	2014-11-27	2017-09-18	Loesche Gmbh	Grinding Bowl
CN112403659A (en) *	2020-11-23	2021-02-26	西安建筑科技大学	Nozzle ring movable vane anti-abrasion cover of medium-speed coal mill

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4687145A (en) *	1985-12-12	1987-08-18	The Babcock & Wilcox Company	Roll-and-race pulverizer with rotating throat
EP0264103A2 (en) *	1986-10-15	1988-04-20	STEIN INDUSTRIE Société Anonyme dite:	Guiding device for the vertical air flow at the circumference of a rotating bowl of a vertical roller mill
US4752037A (en) *	1987-04-01	1988-06-21	Combustion Engineering, Inc.	Vane wheel assembly for rb mills

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE531564C (en) *	1928-04-03	1931-08-12	Alfred Oskar Schulze	Spring roller mill with channels breaking through the circumferential grinding path and guide vanes connected to the channels below the grinding path
DE717920C (en) *	1940-06-08	1942-02-26	Ernst Curt Loesche	Bearings for spring roller mill rollers
DE1152297B (en) *	1956-07-24	1963-08-01	Loesche Kg	Air flow mill
DE1055926B (en) *	1957-10-24	1959-04-23	Loesche Hartzerkleinerungs U Z	Spring roller mill
US3138337A (en) *	1963-03-26	1964-06-23	Combustion Eng	Pulverizing bowl mill utlizing a segmented bull ring
FR2384545A1 (en) *	1977-03-25	1978-10-20	Moritz Jean	MULTIPLE ROLLER CRUSHER
FR2411634A1 (en) *	1977-12-13	1979-07-13	Fives Cail Babcock	Vertical grinding mill for minerals or cement clinker - has plate rotatable on vertical axis and supported by shoes for carrying runners or balls
JPS62144548U (en) *	1986-03-04	1987-09-11
JPS62151948U (en) *	1986-03-19	1987-09-26

1988
- 1988-07-01 DE DE3822290A patent/DE3822290A1/en not_active Withdrawn
1989
- 1989-05-18 EP EP89108953A patent/EP0348659B1/en not_active Expired - Lifetime
- 1989-05-18 DE DE8989108953T patent/DE58900620D1/en not_active Expired - Lifetime
- 1989-05-30 ZA ZA894081A patent/ZA894081B/en unknown
- 1989-06-09 JP JP1148223A patent/JP2764612B2/en not_active Expired - Lifetime
- 1989-06-15 RU SU894614268A patent/RU1837972C/en active
- 1989-06-29 US US07/373,986 patent/US4953793A/en not_active Expired - Fee Related
- 1989-06-30 CN CN89104393A patent/CN1013927B/en not_active Expired

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4687145A (en) *	1985-12-12	1987-08-18	The Babcock & Wilcox Company	Roll-and-race pulverizer with rotating throat
EP0264103A2 (en) *	1986-10-15	1988-04-20	STEIN INDUSTRIE Société Anonyme dite:	Guiding device for the vertical air flow at the circumference of a rotating bowl of a vertical roller mill
US4752037A (en) *	1987-04-01	1988-06-21	Combustion Engineering, Inc.	Vane wheel assembly for rb mills

Also Published As

Publication number	Publication date
US4953793A (en)	1990-09-04
RU1837972C (en)	1993-08-30
CN1039543A (en)	1990-02-14
JP2764612B2 (en)	1998-06-11
EP0348659A2 (en)	1990-01-03
EP0348659B1 (en)	1991-12-27
JPH0240243A (en)	1990-02-09
DE58900620D1 (en)	1992-02-06
DE3822290A1 (en)	1990-01-04
ZA894081B (en)	1990-06-27
CN1013927B (en)	1991-09-18

Publication	Publication Date	Title
GB2214106B (en)	1991-06-26	Vertical roller mill
GB8916084D0 (en)	1989-08-31	Roller bearing
GB2223065B (en)	1992-07-29	Roller bearing
EP0283682A3 (en)	1989-04-05	Roller mill
EP0280897A3 (en)	1989-08-02	Roller mill
GB8908283D0 (en)	1989-05-24	Roll crusher
GB8328861D0 (en)	1983-11-30	Roller bowl mill
EP0294609A3 (en)	1989-11-29	Roller mill
EP0348659A3 (en)	1990-03-21	Roller bowl mill
GB2203500B (en)	1991-07-31	Rotationally mounted roller
GB2193670B (en)	1990-03-21	Mill roll
GB2222210B (en)	1992-07-29	Roller bearing
EP0329937A3 (en)	1990-07-04	Roll
GB8925103D0 (en)	1989-12-28	Improved roller
GB2224624B (en)	1992-11-25	Packer roller
EP0428905A3 (en)	1991-11-13	Roller mill
DE3568711D1 (en)	1989-04-20	Roller mill
GB8618822D0 (en)	1986-09-10	Vertical roller mill
GB8728841D0 (en)	1988-01-27	Roller
EP0268017A3 (en)	1989-07-19	Bowl roller mill
GB8914787D0 (en)	1989-08-16	Roller mill
HU900017D0 (en)	1990-03-28	Roller
GB2238500B (en)	1993-05-26	Rolling mill
GB8807511D0 (en)	1988-05-05	Toilet rolls
BG46199A1 (en)	1989-11-15	Roller

Legal Events

Date	Code	Title	Description
1989-11-18	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
1990-01-03	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE GB IT NL
1990-01-31	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1990-03-21	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE GB IT NL
1990-05-09	17P	Request for examination filed	Effective date: 19900312
1991-04-03	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: DEUTSCHE BABCOCK ENERGIE- UND UMWELTTECHNIK AKTIEN
1991-07-10	17Q	First examination report despatched	Effective date: 19910528
1991-11-08	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1991-12-27	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE GB IT NL
1992-02-06	REF	Corresponds to:	Ref document number: 58900620 Country of ref document: DE Date of ref document: 19920206
1992-03-26	ITF	It: translation for a ep patent filed
1992-04-22	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
1992-09-30	PLBI	Opposition filed	Free format text: ORIGINAL CODE: 0009260
1992-11-19	26	Opposition filed	Opponent name: LOESCHE GMBH Effective date: 19920924
1993-01-18	NLR1	Nl: opposition has been filed with the epo	Opponent name: LOESCHE GMBH
1993-04-22	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19930422 Year of fee payment: 5
1993-05-31	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: NL Payment date: 19930531 Year of fee payment: 5
1994-05-18	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Effective date: 19940518
1994-06-15	PLBN	Opposition rejected	Free format text: ORIGINAL CODE: 0009273
1994-06-15	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: OPPOSITION REJECTED
1994-08-03	27O	Opposition rejected	Effective date: 19940317
1994-10-03	NLR2	Nl: decision of opposition
1994-12-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: NL Effective date: 19941201
1995-01-16	NLV4	Nl: lapsed or anulled due to non-payment of the annual fee
1995-01-18	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19940518
2000-05-24	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20000524 Year of fee payment: 12
2002-03-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20020301
2005-05-18	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050518