WO2002036271A3 - Method and apparatus for applying low-solids paint onto plastic parts using an electrostatic process and a supercritical fluid - Google Patents

Method and apparatus for applying low-solids paint onto plastic parts using an electrostatic process and a supercritical fluid Download PDF

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Publication number
WO2002036271A3
WO2002036271A3 PCT/US2001/044786 US0144786W WO0236271A3 WO 2002036271 A3 WO2002036271 A3 WO 2002036271A3 US 0144786 W US0144786 W US 0144786W WO 0236271 A3 WO0236271 A3 WO 0236271A3
Authority
WO
WIPO (PCT)
Prior art keywords
gun
supercritical fluid
electrostatic process
plastic parts
paint
Prior art date
Application number
PCT/US2001/044786
Other languages
French (fr)
Other versions
WO2002036271A2 (en
Inventor
Edward Joseph Boyden
Original Assignee
Patent Holding Co
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 Patent Holding Co filed Critical Patent Holding Co
Priority to AU2002219938A priority Critical patent/AU2002219938A1/en
Publication of WO2002036271A2 publication Critical patent/WO2002036271A2/en
Publication of WO2002036271A3 publication Critical patent/WO2002036271A3/en

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
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/005—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour the liquid or other fluent material being a fluid close to a change of phase
    • 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
    • B05B5/001—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means incorporating means for heating or cooling, e.g. the material to be sprayed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/002—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour incorporating means for heating or cooling, e.g. the material to be sprayed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/01—Spray pistols, discharge devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B05D1/025—Processes for applying liquids or other fluent materials performed by spraying using gas close to its critical state
    • 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
    • B05B5/035—Discharge apparatus, e.g. electrostatic spray guns characterised by gasless spraying, e.g. electrostatically assisted airless spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field

Abstract

A method and apparatus for applying a coating or paint such as a low-solids adhesion promoter onto a substrate such as a plastic part using an electrostatic process and a supercritical fluid such as CO2 is disclosed. Also disclosed is a spray gun that is desinged to have minimized coating leakages for use in connection with such a method. In one embodiment of the present invention, a paint spraying gun includes a gasket that seals the constituent parts of the gun that form a fluid flow path defined therein so that substantially no combustion or atomization of the fluid flowing therethrough occurs prior to exit from the guns spray tip. In this embodiment, the gun housing is designed to substantially reduce leaking of paint composition into the gun. It should be understood that the abstract of the disclosure is not intended to be and should not be found to be limiting to the scope of the claims contained in this application or in any patent issuing therefrom.
PCT/US2001/044786 2000-11-06 2001-11-01 Method and apparatus for applying low-solids paint onto plastic parts using an electrostatic process and a supercritical fluid WO2002036271A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002219938A AU2002219938A1 (en) 2000-11-06 2001-11-01 Method and apparatus for applying low-solids paint onto plastic parts using an electrostatic process and a supercritical fluid

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US70709900A 2000-11-06 2000-11-06
US09/707,099 2000-11-06

Publications (2)

Publication Number Publication Date
WO2002036271A2 WO2002036271A2 (en) 2002-05-10
WO2002036271A3 true WO2002036271A3 (en) 2003-09-12

Family

ID=24840343

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/044786 WO2002036271A2 (en) 2000-11-06 2001-11-01 Method and apparatus for applying low-solids paint onto plastic parts using an electrostatic process and a supercritical fluid

Country Status (2)

Country Link
AU (1) AU2002219938A1 (en)
WO (1) WO2002036271A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6780249B2 (en) * 2002-12-06 2004-08-24 Eastman Kodak Company System for producing patterned deposition from compressed fluid in a partially opened deposition chamber
JP5719024B2 (en) 2010-08-27 2015-05-13 エンパイア テクノロジー ディベロップメント エルエルシー Dyeing fibers using supercritical carbon dioxide and electrophoresis
CN106040469B (en) * 2016-06-29 2018-10-16 青岛凌鼎智能科技有限公司 It is atomized control device and control method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1393729A (en) * 1963-04-12 1965-03-26 Ransburg Electro Coating Corp Hydrostatic atomization apparatus
EP0350909A2 (en) * 1988-07-14 1990-01-17 Union Carbide Corporation Electrostatic liquid spray application of coatings with supercritical fluids as diluents and spraying from an orifice
EP0388928A1 (en) * 1989-03-22 1990-09-26 Union Carbide Chemicals And Plastics Company, Inc. Method and apparatus for obtaining wider sprays
EP0388927A1 (en) * 1989-03-22 1990-09-26 Union Carbide Chemicals And Plastics Company, Inc. Methods and apparatus for obtaining a feathered spray

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1393729A (en) * 1963-04-12 1965-03-26 Ransburg Electro Coating Corp Hydrostatic atomization apparatus
EP0350909A2 (en) * 1988-07-14 1990-01-17 Union Carbide Corporation Electrostatic liquid spray application of coatings with supercritical fluids as diluents and spraying from an orifice
EP0388928A1 (en) * 1989-03-22 1990-09-26 Union Carbide Chemicals And Plastics Company, Inc. Method and apparatus for obtaining wider sprays
EP0388927A1 (en) * 1989-03-22 1990-09-26 Union Carbide Chemicals And Plastics Company, Inc. Methods and apparatus for obtaining a feathered spray

Also Published As

Publication number Publication date
WO2002036271A2 (en) 2002-05-10
AU2002219938A1 (en) 2002-05-15

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