EP0230723A3 - Powder charging apparatus and electrostatic powder coating apparatus - Google Patents

Powder charging apparatus and electrostatic powder coating apparatus Download PDF

Info

Publication number: EP0230723A3
Authority: EP; European Patent Office
Prior art keywords: powder; electrostatic; powder coating; coating apparatus; charging apparatus
Prior art date: 1985-11-18
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

EP86308890A

Other versions

EP0230723B1 (en

EP0230723A2 (en

Inventor

Hideo Nagasaka

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.)

Individual

Original Assignee

Individual

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.)

1985-11-18

Filing date

1986-11-14

Publication date

1987-10-14

1986-11-14 Application filed by Individual filed Critical Individual

1987-08-05 Publication of EP0230723A2 publication Critical patent/EP0230723A2/en

1987-10-14 Publication of EP0230723A3 publication Critical patent/EP0230723A3/en

1991-07-17 Application granted granted Critical

1991-07-17 Publication of EP0230723B1 publication Critical patent/EP0230723B1/en

Status Expired legal-status Critical Current

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
- B05B5/03—Discharge apparatus, e.g. electrostatic spray guns characterised by the use of gas, e.g. electrostatically assisted pneumatic spraying
- B05B5/032—Discharge apparatus, e.g. electrostatic spray guns characterised by the use of gas, e.g. electrostatically assisted pneumatic spraying for spraying particulate materials

EP19860308890 1985-11-18 1986-11-14 Powder charging apparatus and electrostatic powder coating apparatus Expired EP0230723B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP25828985A JPH0636890B2 (en)	1985-11-18	1985-11-18	Powder charging device and electrostatic powder coating device
JP258289/85		1985-11-18

Publications (3)

Publication Number	Publication Date
EP0230723A2 EP0230723A2 (en)	1987-08-05
EP0230723A3 true EP0230723A3 (en)	1987-10-14
EP0230723B1 EP0230723B1 (en)	1991-07-17

Family

ID=17318185

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19860308890 Expired EP0230723B1 (en)	1985-11-18	1986-11-14	Powder charging apparatus and electrostatic powder coating apparatus

Country Status (3)

Country	Link
EP (1)	EP0230723B1 (en)
JP (1)	JPH0636890B2 (en)
DE (1)	DE3680316D1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19542863A1 (en) *	1995-11-17	1997-05-22	Abb Research Ltd	Powder spray gun
KR0184124B1 (en) *	1996-04-16	1999-03-20	손욱	Multi-electrifying developing gun
KR20020003239A (en) *	1999-04-23	2002-01-10	추후기재	Directionally controlled ehd aerosol sprayer
DE102005045176A1 (en) *	2005-09-21	2007-03-22	Ramseier Technologies Ag	applicator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2646798A1 (en) *	1976-10-16	1978-04-20	Haug & Co Kg	Electric charging device for liq. or solid particles in air stream - has particles charged with one polarity by first electrode and with opposite polarity by second electrode
US4135667A (en) *	1977-03-23	1979-01-23	Hajtomuvek Es Festoberendezesek Gyara	Apparatus for the electrostatic coating of workpieces
GB2029271A (en) *	1978-09-01	1980-03-19	Onoda Cement Co Ltd	Electrostatic powder spraying apparatus

1985
- 1985-11-18 JP JP25828985A patent/JPH0636890B2/en not_active Expired - Lifetime
1986
- 1986-11-14 DE DE8686308890T patent/DE3680316D1/en not_active Expired - Fee Related
- 1986-11-14 EP EP19860308890 patent/EP0230723B1/en not_active Expired

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2646798A1 (en) *	1976-10-16	1978-04-20	Haug & Co Kg	Electric charging device for liq. or solid particles in air stream - has particles charged with one polarity by first electrode and with opposite polarity by second electrode
US4135667A (en) *	1977-03-23	1979-01-23	Hajtomuvek Es Festoberendezesek Gyara	Apparatus for the electrostatic coating of workpieces
GB2029271A (en) *	1978-09-01	1980-03-19	Onoda Cement Co Ltd	Electrostatic powder spraying apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 8, no. 260 (C-254)[1697], 29th November 1984; & JP-A-59 139 956 (YANMAR NOKI K.K.) 11-08-1984 *

Also Published As

Publication number	Publication date
EP0230723B1 (en)	1991-07-17
EP0230723A2 (en)	1987-08-05
JPH0636890B2 (en)	1994-05-18
DE3680316D1 (en)	1991-08-22
JPS62117651A (en)	1987-05-29

Legal Events

Date	Code	Title	Description
1987-06-20	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
1987-08-05	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): CH DE FR GB LI SE
1987-08-25	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1987-10-14	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): CH DE FR GB LI SE
1988-04-20	17P	Request for examination filed	Effective date: 19880217
1988-10-19	17Q	First examination report despatched	Effective date: 19880905
1991-05-31	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1991-07-17	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): CH DE FR GB LI SE
1991-08-22	REF	Corresponds to:	Ref document number: 3680316 Country of ref document: DE Date of ref document: 19910822
1991-08-30	ET	Fr: translation filed
1992-05-23	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1992-05-23	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1992-07-15	26N	No opposition filed
1992-11-18	REG	Reference to a national code	Ref country code: GB Ref legal event code: 732
1992-12-31	REG	Reference to a national code	Ref country code: CH Ref legal event code: PUE Owner name: I.T.M. CORPORATION
1993-01-22	REG	Reference to a national code	Ref country code: FR Ref legal event code: TP
1995-01-31	EAL	Se: european patent in force in sweden	Ref document number: 86308890.2
1996-09-24	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19960924 Year of fee payment: 11
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1997-01-27	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19970127 Year of fee payment: 11
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1998-07-01	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19971114
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