EP0146833A3 - Apparatus for electropolishing the inner surfaces of hollow cylindrical objects - Google Patents

Apparatus for electropolishing the inner surfaces of hollow cylindrical objects Download PDF

Info

Publication number: EP0146833A3
Authority: EP; European Patent Office
Prior art keywords: electropolishing; inner surfaces; hollow cylindrical; cylindrical objects; objects
Prior art date: 1983-12-14
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

EP84114684A

Other languages

German (de)

Other versions

EP0146833A2 (en

EP0146833B1 (en

Inventor

Hermann Dipl.-Ing. Operschall

Klaus-Alfred Steiner

Ludwig Dipl.-Ing. Voggenthaler (Fh)

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.)

Siemens AG

Original Assignee

Kraftwerk Union 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.)

1983-12-14

Filing date

1984-12-03

Publication date

1987-05-13

1984-12-03 Application filed by Kraftwerk Union AG filed Critical Kraftwerk Union AG

1985-07-03 Publication of EP0146833A2 publication Critical patent/EP0146833A2/en

1987-05-13 Publication of EP0146833A3 publication Critical patent/EP0146833A3/en

1990-08-01 Application granted granted Critical

1990-08-01 Publication of EP0146833B1 publication Critical patent/EP0146833B1/en

2004-12-03 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F7/00—Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects; Servicing or operating
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/001—Decontamination of contaminated objects, apparatus, clothes, food; Preventing contamination thereof
- G21F9/002—Decontamination of the surface of objects with chemical or electrochemical processes
- G21F9/004—Decontamination of the surface of objects with chemical or electrochemical processes of metallic surfaces

EP84114684A 1983-12-14 1984-12-03 Apparatus for electropolishing the inner surfaces of hollow cylindrical objects Expired - Lifetime EP0146833B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3345278		1983-12-14
DE19833345278 DE3345278A1 (en)	1983-12-14	1983-12-14	DEVICE FOR ELECTROPOLISHING THE INTERNAL SURFACE OF HOLLOW CYLINDRICAL BODIES

Publications (3)

Publication Number	Publication Date
EP0146833A2 EP0146833A2 (en)	1985-07-03
EP0146833A3 true EP0146833A3 (en)	1987-05-13
EP0146833B1 EP0146833B1 (en)	1990-08-01

Family

ID=6216943

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP84114684A Expired - Lifetime EP0146833B1 (en)	1983-12-14	1984-12-03	Apparatus for electropolishing the inner surfaces of hollow cylindrical objects

Country Status (8)

Country	Link
US (1)	US4634511A (en)
EP (1)	EP0146833B1 (en)
JP (1)	JPS60146626A (en)
CA (1)	CA1229067A (en)
DE (2)	DE3345278A1 (en)
ES (1)	ES8605873A1 (en)
SU (1)	SU1491347A3 (en)
UA (1)	UA5973A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4690737A (en) *	1986-06-10	1987-09-01	Cation Corporation	Electrochemical rifling of gun barrels
FR2607421B1 (en) *	1986-12-01	1989-03-24	Electricite De France	DEVICE FOR EXPLORING AND / OR TREATING A CURVED SMOOTH SURFACE
FR2610137B1 (en) *	1987-01-28	1993-09-24	Electricite De France	DECONTAMINATION SYSTEM FOR PRIMARY PIPES AND WATER BOX OF A NUCLEAR POWER STATION GENERATOR
FR2610758B1 (en) *	1987-02-09	1992-01-03	Electricite De France	DEVICE FOR EXPLORING AND / OR TREATING THE SURFACE OF A CYLINDRICAL SAS WITH LOW RADIUS OF CURVATURE
DE3735840A1 (en) *	1987-10-23	1989-05-03	Hoefer & Bechtel Gmbh	Device for cleaning sealing surfaces of a reactor pressure container lid
DE58904254D1 (en) *	1988-07-28	1993-06-09	Siemens Ag	ELECTROPOLISHING METHOD FOR THE PURPOSE OF DECONTAMINATION.
EP0436528B1 (en) *	1988-10-10	1993-02-24	Siemens Aktiengesellschaft	Electric surface-polishing device
US5135632A (en) *	1988-10-10	1992-08-04	Siemens Aktiengesellschaft	Apparatus for electropolishing surfaces
FR2641003B1 (en) *	1988-12-23	1991-04-05	Tech Milieu Ionisant
JPH0794090B2 (en) *	1989-11-01	1995-10-11	工業技術院長	Electro-abrasive grain super-mirror finishing method for inner surface of small diameter tube
DE4017998A1 (en) *	1990-06-05	1992-01-09	Siemens Ag	METHOD AND DEVICE FOR DECONTAMINATING RADIOACTIVELY CONTAMINATED SURFACES
US5409593A (en) *	1993-12-03	1995-04-25	Sifco Industries, Inc.	Method and apparatus for selective electroplating using soluble anodes
GB2319259A (en) *	1996-11-15	1998-05-20	Babcock Rosyth Defence Limited	reducing radionucleide contamination of a metallic component
US6217726B1 (en) *	1997-05-22	2001-04-17	Therma Corporation, Inc.	Tube inner surface electropolishing device with electrolyte dam
US20190177872A1 (en) *	2016-06-21	2019-06-13	Extrude Hone Gmbh	Electrolytic polishing method and device and method for producing a cathode
CN113878915B (en) *	2021-10-09	2023-12-08	安徽永正密封件有限公司	Processing technology of rubber sealing rubber ring for multi-angle socket connection of pipeline

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4330381A (en) *	1978-09-18	1982-05-18	Jumer John F	Method for containerless portable electro-polishing
EP0074463A1 (en) *	1981-09-12	1983-03-23	Kernforschungszentrum Karlsruhe Gmbh	Method and apparatus for cleaning the inner walls of metallic tubular systems by electropolishing by means of moving electrodes

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4001094A (en) *	1974-09-19	1977-01-04	Jumer John F	Method for incremental electro-processing of large areas
JPS54153092U (en) *	1978-04-18	1979-10-24
US4190513A (en) *	1978-09-18	1980-02-26	Jumer John F	Apparatus for containerless portable electro-polishing
JPS5593447U (en) *	1978-12-22	1980-06-28
US4304654A (en) *	1980-10-24	1981-12-08	Sifco Industries, Inc.	Apparatus for electroplating

1983
- 1983-12-14 DE DE19833345278 patent/DE3345278A1/en not_active Withdrawn
1984
- 1984-11-30 UA UA3816358A patent/UA5973A1/en unknown
- 1984-11-30 SU SU843816358A patent/SU1491347A3/en active
- 1984-12-03 EP EP84114684A patent/EP0146833B1/en not_active Expired - Lifetime
- 1984-12-03 DE DE8484114684T patent/DE3482871D1/en not_active Expired - Fee Related
- 1984-12-12 US US06/681,107 patent/US4634511A/en not_active Expired - Fee Related
- 1984-12-12 CA CA000469869A patent/CA1229067A/en not_active Expired
- 1984-12-12 JP JP59263705A patent/JPS60146626A/en active Granted
- 1984-12-14 ES ES538635A patent/ES8605873A1/en not_active Expired

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4330381A (en) *	1978-09-18	1982-05-18	Jumer John F	Method for containerless portable electro-polishing
EP0074463A1 (en) *	1981-09-12	1983-03-23	Kernforschungszentrum Karlsruhe Gmbh	Method and apparatus for cleaning the inner walls of metallic tubular systems by electropolishing by means of moving electrodes

Also Published As

Publication number	Publication date
ES8605873A1 (en)	1986-01-16
UA5973A1 (en)	1994-12-29
JPS60146626A (en)	1985-08-02
ES538635A0 (en)	1986-01-16
DE3482871D1 (en)	1990-09-06
CA1229067A (en)	1987-11-10
SU1491347A3 (en)	1989-06-30
EP0146833A2 (en)	1985-07-03
DE3345278A1 (en)	1985-06-27
JPH0547327B2 (en)	1993-07-16
EP0146833B1 (en)	1990-08-01
US4634511A (en)	1987-01-06

Legal Events

Date	Code	Title	Description
1985-05-04	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
1985-07-03	AK	Designated contracting states	Designated state(s): BE CH DE FR GB IT LI SE
1987-03-26	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1987-05-13	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): BE CH DE FR GB IT LI SE
1987-09-30	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: SIEMENS AKTIENGESELLSCHAFT
1987-12-23	17P	Request for examination filed	Effective date: 19871027
1989-06-21	17Q	First examination report despatched	Effective date: 19890508
1990-06-16	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1990-08-01	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): BE CH DE FR GB IT LI SE
1990-09-06	REF	Corresponds to:	Ref document number: 3482871 Country of ref document: DE Date of ref document: 19900906
1990-10-12	ET	Fr: translation filed
1990-10-17	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
1990-10-23	ITF	It: translation for a ep patent filed	Owner name: STUDIO JAUMANN
1990-12-31	ITTA	It: last paid annual fee
1991-06-06	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1991-06-06	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1991-07-24	26N	No opposition filed
1992-11-19	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19921119 Year of fee payment: 9
1993-12-03	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Effective date: 19931203
1994-08-03	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19931203
1995-01-31	EAL	Se: european patent in force in sweden	Ref document number: 84114684.8
1996-03-20	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: CH Payment date: 19960320 Year of fee payment: 12
1996-12-10	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: SE Payment date: 19961210 Year of fee payment: 13
1996-12-20	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: BE Payment date: 19961220 Year of fee payment: 13
1996-12-23	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19961223 Year of fee payment: 13
1996-12-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: LI Effective date: 19961231 Ref country code: CH Effective date: 19961231
1997-02-18	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19970218 Year of fee payment: 13
1997-08-15	REG	Reference to a national code	Ref country code: CH Ref legal event code: PL
1997-12-04	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: SE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19971204
1997-12-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY Effective date: 19971231 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19971231
1998-06-30	BERE	Be: lapsed	Owner name: SIEMENS A.G. Effective date: 19971231
1998-09-01	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: 19980901
1998-09-07	EUG	Se: european patent has lapsed	Ref document number: 84114684.8
1998-10-09	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST

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EP0146833A3 (en)	1987-05-13	Apparatus for electropolishing the inner surfaces of hollow cylindrical objects
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