EP0192969A3 - Method and apparatus for preventing deposition of coating material on a spray head - Google Patents

Method and apparatus for preventing deposition of coating material on a spray head Download PDF

Info

Publication number
EP0192969A3
EP0192969A3 EP86101002A EP86101002A EP0192969A3 EP 0192969 A3 EP0192969 A3 EP 0192969A3 EP 86101002 A EP86101002 A EP 86101002A EP 86101002 A EP86101002 A EP 86101002A EP 0192969 A3 EP0192969 A3 EP 0192969A3
Authority
EP
European Patent Office
Prior art keywords
orifice
coating
curvature
coating material
spray head
Prior art date
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
EP86101002A
Other languages
German (de)
Other versions
EP0192969B1 (en
EP0192969A2 (en
Inventor
Hardy P. Dr. Weiss
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.)
Prazisions-Werkzeuge AG
Original Assignee
Prazisions-Werkzeuge 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.)
Filing date
Publication date
Application filed by Prazisions-Werkzeuge AG filed Critical Prazisions-Werkzeuge AG
Priority to AT86101002T priority Critical patent/ATE58655T1/en
Publication of EP0192969A2 publication Critical patent/EP0192969A2/en
Publication of EP0192969A3 publication Critical patent/EP0192969A3/en
Application granted granted Critical
Publication of EP0192969B1 publication Critical patent/EP0192969B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/10—Arrangements for collecting, re-using or eliminating excess spraying material the excess material being particulate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
    • B05B13/0618—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies only a part of the inside of the hollow bodies being treated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
    • B05B7/1481—Spray pistols or apparatus for discharging particulate material
    • B05B7/1486—Spray pistols or apparatus for discharging particulate material for spraying particulate material in dry state
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S118/00—Coating apparatus
    • Y10S118/07—Hoods

Landscapes

  • Application Of Or Painting With Fluid Materials (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Nozzles (AREA)
  • Exhaust Silencers (AREA)
  • Non-Metallic Protective Coatings For Printed Circuits (AREA)

Abstract

To prevent a formation of aerodynamic dead zones in a coating arrangement for powder coating, such as, for example, weld seams, a surface of a supporting member is provided with a constantly increasing radius of curvature between an outlet orifice for a spray jet and an exhaust orifice, starting with the former. A feed conduit is fashioned so that a laminar flow of the coating medium does not experience a change in an arithmetic sign of its path of curvature in the orifice zone and along a subsequent surface. For a constant acceleration of the spray jet, a constant reduction of the flow cross section is provided for the spraying medium between the outlet and the exhaust conduit.
EP86101002A 1985-02-21 1986-01-25 Method and apparatus for preventing deposition of coating material on a spray head Expired - Lifetime EP0192969B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86101002T ATE58655T1 (en) 1985-02-21 1986-01-25 COATING DEVICE AND METHOD FOR PREVENTING COATING MATERIAL DEPOSITION ON COATING HEAD.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH834/85A CH663910A5 (en) 1985-02-21 1985-02-21 COATING ARRANGEMENTS AND THEIR USE.
CH834/85 1985-02-21

Publications (3)

Publication Number Publication Date
EP0192969A2 EP0192969A2 (en) 1986-09-03
EP0192969A3 true EP0192969A3 (en) 1988-10-12
EP0192969B1 EP0192969B1 (en) 1990-11-28

Family

ID=4196281

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86101002A Expired - Lifetime EP0192969B1 (en) 1985-02-21 1986-01-25 Method and apparatus for preventing deposition of coating material on a spray head

Country Status (6)

Country Link
US (1) US4749593A (en)
EP (1) EP0192969B1 (en)
JP (1) JPH07108379B2 (en)
AT (1) ATE58655T1 (en)
CH (1) CH663910A5 (en)
DE (1) DE3675793D1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5847370A (en) * 1990-06-04 1998-12-08 Nordson Corporation Can coating and curing system having focused induction heater using thin lamination cores
DE59605130D1 (en) * 1996-02-21 2000-06-08 Elpatronic Ag Bergdietikon Method and device for applying a coating to an object
DE102020109354B4 (en) * 2020-04-03 2024-03-07 Khs Gmbh Spraying device for a spraying station of a container cleaning machine and method for spraying and/or spraying containers

Citations (4)

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CH603249A5 (en) * 1976-02-20 1978-08-15 Hero Conserven
DE2724031A1 (en) * 1977-05-27 1978-12-14 Metallgesellschaft Ag Metallic tubes coated internally with plastics layer - using double walled lance with radial spigot to blow plastics at heated wall and remove excess
US4212266A (en) * 1978-12-21 1980-07-15 The Continental Group, Inc. Catcher and return device for oversprayed powder
EP0120810A1 (en) * 1983-03-21 1984-10-03 Siegfried Frei Process and apparatus to coat the seams of can blanks with a powder stripe

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GB1111722A (en) * 1965-12-13 1968-05-01 Millard Fillmore Smith Coating process and apparatus
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US3678336A (en) * 1970-07-10 1972-07-18 Continental Can Co Electrostatic powder striping applicator
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US3654898A (en) * 1970-07-17 1972-04-11 Continental Can Co Outside side-stripping device
US3868925A (en) * 1970-08-14 1975-03-04 Nat Steel Corp Electrostatic coating of metal powder on metal strip
US3745034A (en) * 1970-08-14 1973-07-10 Nat Steel Corp Electrostatic coating of metal powder on metal strip
US3675617A (en) * 1970-11-16 1972-07-11 Continental Can Co Pigmented outside side striper
US3713862A (en) * 1970-11-16 1973-01-30 Continental Can Co Method for pigmented side striping of can bodies
DE2058350A1 (en) * 1970-11-27 1972-05-31 Bayer Ag Method and device for the inner coating of pipes with a powdery, sinterable material
US3888207A (en) * 1972-07-24 1975-06-10 Erwin Stutz Device for coating objects with pulverized or granular particles or flakes or fibres
US3840138A (en) * 1973-04-25 1974-10-08 Continental Can Co Method and apparatus for heating stripe-like areas on can bodies
US3882818A (en) * 1973-12-17 1975-05-13 Electro Sprayer Systems Inc Powder collector construction
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JPS543853A (en) * 1977-06-13 1979-01-12 Onoda Cement Co Ltd Removing device of excess powder for electrostatidc powder coating
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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH603249A5 (en) * 1976-02-20 1978-08-15 Hero Conserven
DE2724031A1 (en) * 1977-05-27 1978-12-14 Metallgesellschaft Ag Metallic tubes coated internally with plastics layer - using double walled lance with radial spigot to blow plastics at heated wall and remove excess
US4212266A (en) * 1978-12-21 1980-07-15 The Continental Group, Inc. Catcher and return device for oversprayed powder
EP0120810A1 (en) * 1983-03-21 1984-10-03 Siegfried Frei Process and apparatus to coat the seams of can blanks with a powder stripe

Also Published As

Publication number Publication date
JPH07108379B2 (en) 1995-11-22
JPS61192362A (en) 1986-08-26
CH663910A5 (en) 1988-01-29
DE3675793D1 (en) 1991-01-10
US4749593A (en) 1988-06-07
EP0192969B1 (en) 1990-11-28
EP0192969A2 (en) 1986-09-03
ATE58655T1 (en) 1990-12-15

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