EP0068095A3 - Pusher centrifuge - Google Patents

Pusher centrifuge Download PDF

Info

Publication number: EP0068095A3
Authority: EP; European Patent Office
Prior art keywords: pusher centrifuge; pusher; centrifuge
Prior art date: 1981-06-25
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

EP82103444A

Other languages

German (de)

Other versions

EP0068095A2 (en

EP0068095B1 (en

Inventor

Bruno Mulhaupt

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.)

Sulzer Escher Wyss AG

Original Assignee

Sulzer Escher Wyss 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.)

1981-06-25

Filing date

1982-04-23

Publication date

1984-05-23

1982-04-23 Application filed by Sulzer Escher Wyss AG filed Critical Sulzer Escher Wyss AG

1983-01-05 Publication of EP0068095A2 publication Critical patent/EP0068095A2/en

1984-05-23 Publication of EP0068095A3 publication Critical patent/EP0068095A3/en

1986-03-05 Application granted granted Critical

1986-03-05 Publication of EP0068095B1 publication Critical patent/EP0068095B1/en

Status Expired legal-status Critical Current

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B3/00—Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneous sifting or filtering
- B04B3/02—Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneous sifting or filtering discharging solid particles from the bowl by means coaxial with the bowl axis and moving to and fro, i.e. push-type centrifuges

EP82103444A 1981-06-25 1982-04-23 Pusher centrifuge Expired EP0068095B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH4199/81		1981-06-25
CH4199/81A CH653573A5 (en)	1981-06-25	1981-06-25	DRAWER CENTRIFUGE.

Publications (3)

Publication Number	Publication Date
EP0068095A2 EP0068095A2 (en)	1983-01-05
EP0068095A3 true EP0068095A3 (en)	1984-05-23
EP0068095B1 EP0068095B1 (en)	1986-03-05

Family

ID=4271638

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP82103444A Expired EP0068095B1 (en)	1981-06-25	1982-04-23	Pusher centrifuge

Country Status (6)

Country	Link
US (1)	US4434052A (en)
EP (1)	EP0068095B1 (en)
JP (1)	JPS5845760A (en)
CA (1)	CA1169831A (en)
CH (1)	CH653573A5 (en)
DE (1)	DE3269565D1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4010748A1 (en) *	1989-04-13	1990-10-25	Stahl Werner	METHOD FOR OPERATING AN EXTENSION CENTRIFUGE
US5305685A (en) *	1993-05-04	1994-04-26	Bunn-O-Matic Corporation	Grounds removal centrifuge
DE59308079D1 (en) *	1993-07-22	1998-03-05	Escher Wyss Ag	Double push centrifuge
US5958235A (en) *	1997-08-22	1999-09-28	Baker Hughes Incorporated	Continuous-feed filtering- or screening-type centrifuge with reslurrying and dewatering
ES2800499T3 (en) *	2014-02-26	2020-12-30	Ferrum Ag	Centrifuge as well as procedure for loading a centrifuge
ES2698377T3 (en)	2014-06-24	2019-02-04	Ferrum Ag	Centrífuga of double empujador as well as device of base of empujador
KR102504657B1 (en) *	2019-11-18	2023-02-27	주식회사 엘지화학	Pressurizing centrifugal dehydrator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1065333B (en) *		1959-09-10	Gebr. Heine, Viersen (RhId.)	Continuously operating sieve centrifuge with a bottom running around the front or bottom of the sieve drum
DE1114149B (en) *	1959-11-17	1961-09-21	Karl Marx Stadt Maschf	Pusher centrifuge with a push floor that discharges the material to be spun in both directions
DE1151468B (en) *	1961-06-27	1963-07-11	Karl Marx Stadt Maschf	Pusher centrifuge with a push floor that discharges the material to be spun in both directions
DE2542916A1 (en) *	1975-09-26	1977-03-31	Siteg Siebtech Gmbh	TWO-STAGE THRUST CENTRIFUGE

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4531109Y1 (en) *	1967-03-10	1970-11-28
JPS608872B2 (en) *	1976-02-13	1985-03-06	厚木機械株式会社	Dehydration device for removing impurities in wastewater

1981
- 1981-06-25 CH CH4199/81A patent/CH653573A5/en not_active IP Right Cessation
1982
- 1982-04-23 DE DE8282103444T patent/DE3269565D1/en not_active Expired
- 1982-04-23 EP EP82103444A patent/EP0068095B1/en not_active Expired
- 1982-05-17 US US06/378,833 patent/US4434052A/en not_active Expired - Lifetime
- 1982-05-27 CA CA000403845A patent/CA1169831A/en not_active Expired
- 1982-06-22 JP JP57106258A patent/JPS5845760A/en active Pending

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1065333B (en) *		1959-09-10	Gebr. Heine, Viersen (RhId.)	Continuously operating sieve centrifuge with a bottom running around the front or bottom of the sieve drum
DE1114149B (en) *	1959-11-17	1961-09-21	Karl Marx Stadt Maschf	Pusher centrifuge with a push floor that discharges the material to be spun in both directions
DE1151468B (en) *	1961-06-27	1963-07-11	Karl Marx Stadt Maschf	Pusher centrifuge with a push floor that discharges the material to be spun in both directions
DE2542916A1 (en) *	1975-09-26	1977-03-31	Siteg Siebtech Gmbh	TWO-STAGE THRUST CENTRIFUGE

Also Published As

Publication number	Publication date
CH653573A5 (en)	1986-01-15
CA1169831A (en)	1984-06-26
EP0068095A2 (en)	1983-01-05
US4434052A (en)	1984-02-28
DE3269565D1 (en)	1986-04-10
JPS5845760A (en)	1983-03-17
EP0068095B1 (en)	1986-03-05

Legal Events

Date	Code	Title	Description
1982-11-05	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
1983-01-05	17P	Request for examination filed	Effective date: 19820423
1983-01-05	AK	Designated contracting states	Designated state(s): DE FR GB IT NL
1983-04-13	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: SULZER - ESCHER WYSS AG
1984-03-20	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1984-05-23	AK	Designated contracting states	Designated state(s): DE FR GB IT NL
1986-01-18	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1986-03-05	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB IT NL
1986-04-10	REF	Corresponds to:	Ref document number: 3269565 Country of ref document: DE Date of ref document: 19860410
1986-05-14	ITF	It: translation for a ep patent filed	Owner name: BARZANO' E ZANARDO MILANO S.P.A.
1986-06-13	ET	Fr: translation filed
1987-01-12	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1987-01-12	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1987-03-04	26N	No opposition filed
1991-04-30	ITTA	It: last paid annual fee
2001-03-16	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 20010316 Year of fee payment: 20
2001-03-29	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: NL Payment date: 20010329 Year of fee payment: 20
2001-04-21	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20010421 Year of fee payment: 20
2001-04-27	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 20010427 Year of fee payment: 20
2002-01-01	REG	Reference to a national code	Ref country code: GB Ref legal event code: IF02
2002-04-22	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20020422
2002-04-23	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: NL Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20020423
2002-05-15	REG	Reference to a national code	Ref country code: GB Ref legal event code: PE20 Effective date: 20020422
2002-07-01	NLV7	Nl: ceased due to reaching the maximum lifetime of a patent	Effective date: 20020423

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