WO1998031474A1 - Systeme et procede permettant de secher et de solidifier des revetements a base d'eau - Google Patents
Systeme et procede permettant de secher et de solidifier des revetements a base d'eau Download PDFInfo
- Publication number
- WO1998031474A1 WO1998031474A1 PCT/US1998/000347 US9800347W WO9831474A1 WO 1998031474 A1 WO1998031474 A1 WO 1998031474A1 US 9800347 W US9800347 W US 9800347W WO 9831474 A1 WO9831474 A1 WO 9831474A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coating
- curing
- air flow
- conveyor
- drying unit
- Prior art date
Links
Classifications
-
- 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
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
-
- 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
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
- F26B3/283—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun in combination with convection
Definitions
- This invention relates generally to coating technology, in particular, this invention is a
- An air atomizing spray gun is typically utilized to rapidly apply paints, industrial coatings and other finishing products to a wide variety of industrial, commercial, and consumer goods.
- overspray a profusion of transient, airborne particles and associated fumes, generally designated as overspray, are produced during the application process.
- a dry filtration system utilizing arrestor pads, has commonly been employed to remove
- Solvent based coatings have commonly been utilized in finishing processes due to the fast
- an electrostatic spray gun assembly having a positive
- polarity is utilized to apply dry powder solids to a product having a negative polarity. Due to the
- High solids coating systems utilize a high viscosity paint emulsion having a high solids to
- the paint emulsion is generally applied to a product with a high pressure
- SUB-TimTE SHEET (BULE 28) subsequently cured in a separate drying area using a heat source such as an oven or heat lamps.
- the coating solids are suspended in a fluid having a
- drying times are generally much longer than with solvent or dry powder based coatings.
- the present invention drastically decreases drying and curing time by removal of water
- a device having a coating thereon is dried through control
- a radiation source is provided to cure or
- UV cure coatings do not "dry” like conventional
- An advantage of this invention is increased productivity
- wood finishing e.g., clear overprint varnishes and wood
- plastics e.g., polyvinyl chloride (PVC) foils for wood lamination and PVC for floor
- coverings e.g., metallic furniture and industrial equipment subject to
- the apparatus of the present invention includes at least one drying unit having an air flow
- radiation cure device e.g., N, electron beam, laser, infrared, mercury lamp, and plasma arc.
- the drying unit removes water from a water based coating and the curing assembly is positioned
- a single drying unit may be used
- a first drying unit is positioned to remove
- drying units and curing assemblies may be customized depending upon the requirements of the coated article.
- a conveyor For example, a conveyor
- drying assembly e.g., endless belt conveyor
- drying units for increased
- a partitioned housing is
- the housing may contain
- the dry rate is important so that the coating does not have deleterious effects such as flaking or not experiencing adequate water removal prior to curing.
- a method for drying and curing a waterbased coating of the present invention includes
- SUBSTITUTE SHEET (RULE 28 ⁇ coating by circulating an air flow across said coating while controlling temperature and humidity;
- Further steps may include: predetermining the type of
- coating and coating thickness on said device and controlling the temperature, humidity, and air
- the coatings can be physically dry to touch; 4) zero or reduced toxicology due to reduced
- Figure 1 shows a side view of the present invention
- Figure 2 shows a top view of the present invention
- Figure 3 shows a view along line A-A in Figure 2;
- Figure 4 shows a view along line B-B in Figure 2;
- Figure 5 shows a perspective view of the curring assembly
- Figure 6 shows a side view of the curing lamp assembly.
- SUBSTITUTE SHEET (RULE 28)
- the purpose of the system of the present invention is to rapidly dry and cure a waterborne
- the product enters the housing 16 though a first housing
- first temperature/humidity control unit includes motor 30, blower 32, dehumidifer 34, multistage
- dehumidifier 34 the moisture in the air condenses on the coil, lowering the relative humidity, and
- the air 13 then passes through the return dampers 38 and returns to the
- the curing section 20 is made up of a second housing section 16B and a third
- the product and conveyor 18 pass through a product conveyor wall
- the second temperature/humidity control unit 14 is identical to that of the first
- the second temperature/humidity control unit 14 contains
- Wall A has openings in the
- a curing lamp assembly 22, sometimes called an irradiator, is shown in detail in Figures 5
- the curing lamp assembly 22 normally consists of a sheet metal housing 40, a high
- the reflector 48 and lamp 44 is supplied to provide a chamber for the passage of air 15 to carry
- lamp 44 if not evacuated from the housing, may degrade the lamp 44 and/or distort the reflector
- a separate lens assembly 46 is sometimes provided between the lamp and the product to be
- temperature/humidity control unit 14 forces the air through the second housing section 16B and
- the heat discharged by the lamp assembly mixes with the enclosure air and is
- the "Wall A" openings 26A and 26B can be metered to control the volume of air by the
- the panel device 50 is lowered or raised depending on the amount of
- the Quadrant Diffuser System the openings for the lamp assembly ducts, the bypass
- enclosure air and, to some extent, the product/conveyor openings can all be varied to meet the requirements of the application.
- the photo-initiators in the coating initiate a
- a sensor 60 Located in the third housing section 16C is a sensor 60 which is tied by a feedback loop to
- the sensor monitors the humidity level
- the sensor could be any type of the operating conditions.
- the sensor could be any type of the operating conditions.
- the sensor could be any type of the operating conditions.
- One sensor 60 could be used or multiple sensors spread thoughout the system 10 could be used.
- the product is carried by the conveyor 18 through
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Coating Apparatus (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU63164/98A AU6316498A (en) | 1997-01-15 | 1998-01-14 | System and method for drying and curing waterbased coatings |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78242797A | 1997-01-15 | 1997-01-15 | |
US08/782,427 | 1997-01-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998031474A1 true WO1998031474A1 (fr) | 1998-07-23 |
Family
ID=25126015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1998/000347 WO1998031474A1 (fr) | 1997-01-15 | 1998-01-14 | Systeme et procede permettant de secher et de solidifier des revetements a base d'eau |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU6316498A (fr) |
WO (1) | WO1998031474A1 (fr) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1006327A2 (fr) * | 1998-12-04 | 2000-06-07 | Voith Sulzer Papiertechnik Patent GmbH | Séchage de bandes fibreuses |
DE10045608A1 (de) * | 2000-09-15 | 2002-03-28 | Volkswagen Ag | Verfahren und Vorrichtung zum Trocknen einer lackierten Kraftfahrzeugkarosserie |
WO2002070973A1 (fr) * | 2001-03-01 | 2002-09-12 | Adphos | Procede de production d'un revetement sur une bande de materiau transportee en quasi-continu |
WO2003002922A1 (fr) * | 2001-06-29 | 2003-01-09 | Adphos Advanced Photonics Technologies Ag | Procede et dispositif de sechage et/ou de reticulation ou de chauffage par rayonnement electromagnetique |
ITGO20100006A1 (it) * | 2010-10-12 | 2012-04-12 | Klimaref Snc Di Vidal Paolo E Danie Lis David | Sistema di deumidificazione industriale per collanti ad acqua |
EP3381574A1 (fr) * | 2017-03-31 | 2018-10-03 | Vestel Elektronik Sanayi ve Ticaret A.S. | Durcissement de films de peinture à base aqueuse |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3499229A (en) * | 1967-02-25 | 1970-03-10 | Cotton Silk & Man Made Fibres | Process control systems |
US4216592A (en) * | 1978-09-15 | 1980-08-12 | George Koch Sons, Inc. | Drying oven |
US4250629A (en) * | 1979-02-21 | 1981-02-17 | Lewis Donald C | Lumber conditioning kiln |
US4336279A (en) * | 1978-07-04 | 1982-06-22 | Metzger Wesley A | Apparatus and process for drying and curing coated substrates |
US4581244A (en) * | 1983-03-11 | 1986-04-08 | Apptech Equipment Pty., Limited | Curing of surface coatings |
US4591517A (en) * | 1984-06-08 | 1986-05-27 | Overly, Inc. | Web dryer with variable ventilation rate |
US4927663A (en) * | 1986-07-30 | 1990-05-22 | Small Products Limited | Method for minimizing curling in screen printing |
US5215625A (en) * | 1992-03-02 | 1993-06-01 | Burton R Edward | Method for producing articles from waste fiber, waste/surplus paint, and waste/surplus ink |
US5243255A (en) * | 1990-10-24 | 1993-09-07 | Mitsubishi Denki Kabushiki Kaisha | Cathode-ray tube with low reflectivity film |
-
1998
- 1998-01-14 WO PCT/US1998/000347 patent/WO1998031474A1/fr active Application Filing
- 1998-01-14 AU AU63164/98A patent/AU6316498A/en not_active Abandoned
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3499229A (en) * | 1967-02-25 | 1970-03-10 | Cotton Silk & Man Made Fibres | Process control systems |
US4336279A (en) * | 1978-07-04 | 1982-06-22 | Metzger Wesley A | Apparatus and process for drying and curing coated substrates |
US4216592A (en) * | 1978-09-15 | 1980-08-12 | George Koch Sons, Inc. | Drying oven |
US4250629A (en) * | 1979-02-21 | 1981-02-17 | Lewis Donald C | Lumber conditioning kiln |
US4581244A (en) * | 1983-03-11 | 1986-04-08 | Apptech Equipment Pty., Limited | Curing of surface coatings |
US4591517A (en) * | 1984-06-08 | 1986-05-27 | Overly, Inc. | Web dryer with variable ventilation rate |
US4927663A (en) * | 1986-07-30 | 1990-05-22 | Small Products Limited | Method for minimizing curling in screen printing |
US5243255A (en) * | 1990-10-24 | 1993-09-07 | Mitsubishi Denki Kabushiki Kaisha | Cathode-ray tube with low reflectivity film |
US5215625A (en) * | 1992-03-02 | 1993-06-01 | Burton R Edward | Method for producing articles from waste fiber, waste/surplus paint, and waste/surplus ink |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1006327A2 (fr) * | 1998-12-04 | 2000-06-07 | Voith Sulzer Papiertechnik Patent GmbH | Séchage de bandes fibreuses |
EP1006327A3 (fr) * | 1998-12-04 | 2001-12-05 | Voith Paper Patent GmbH | Séchage de bandes fibreuses |
US6675494B1 (en) | 1998-12-04 | 2004-01-13 | Voith Sulzer Papiertechnik Patent Gmbh | System for drying a web and process |
DE10045608A1 (de) * | 2000-09-15 | 2002-03-28 | Volkswagen Ag | Verfahren und Vorrichtung zum Trocknen einer lackierten Kraftfahrzeugkarosserie |
WO2002070973A1 (fr) * | 2001-03-01 | 2002-09-12 | Adphos | Procede de production d'un revetement sur une bande de materiau transportee en quasi-continu |
WO2003002922A1 (fr) * | 2001-06-29 | 2003-01-09 | Adphos Advanced Photonics Technologies Ag | Procede et dispositif de sechage et/ou de reticulation ou de chauffage par rayonnement electromagnetique |
ITGO20100006A1 (it) * | 2010-10-12 | 2012-04-12 | Klimaref Snc Di Vidal Paolo E Danie Lis David | Sistema di deumidificazione industriale per collanti ad acqua |
EP3381574A1 (fr) * | 2017-03-31 | 2018-10-03 | Vestel Elektronik Sanayi ve Ticaret A.S. | Durcissement de films de peinture à base aqueuse |
Also Published As
Publication number | Publication date |
---|---|
AU6316498A (en) | 1998-08-07 |
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