EP1293263B1 - Method for roller-coating rough surfaces - Google Patents

Method for roller-coating rough surfaces Download PDF

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Publication number
EP1293263B1
EP1293263B1 EP02078105A EP02078105A EP1293263B1 EP 1293263 B1 EP1293263 B1 EP 1293263B1 EP 02078105 A EP02078105 A EP 02078105A EP 02078105 A EP02078105 A EP 02078105A EP 1293263 B1 EP1293263 B1 EP 1293263B1
Authority
EP
European Patent Office
Prior art keywords
roller
coating
rough surfaces
outer sleeve
sleeve
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.)
Expired - Lifetime
Application number
EP02078105A
Other languages
German (de)
French (fr)
Other versions
EP1293263A1 (en
Inventor
Philip James Palfrey
Arthur Vaughan Rees
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=33101769&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1293263(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GBGB0122284.3A external-priority patent/GB0122284D0/en
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to EP02078105A priority Critical patent/EP1293263B1/en
Publication of EP1293263A1 publication Critical patent/EP1293263A1/en
Application granted granted Critical
Publication of EP1293263B1 publication Critical patent/EP1293263B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/02—Rollers ; Hand tools comprising coating rollers or coating endless belts
    • B05C17/0207—Rollers ; Hand tools comprising coating rollers or coating endless belts characterised by the cover, e.g. cover material or structure, special surface for producing patterns
    • 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
    • B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
    • B44D3/12—Paint cans; Brush holders; Containers for storing residual paint
    • B44D3/126—Paint roller trays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
    • B44D3/12—Paint cans; Brush holders; Containers for storing residual paint
    • B44D3/128—Wiping bars; Rim protectors; Drip trays; Spill catchers

Definitions

  • This invention relates to a method for roller coating rough surfaces.
  • Rough surfaces are frequently found on sawn wood structures such as garden fences or decking.
  • the surfaces are characterised by numerous irregular recesses all of which have to be coated if the entire surface is to be covered uniformly.
  • the coating of such recesses has required the use of a brush and very fluid coating compositions whose mid-shear and high shear viscosities are as low as 0.08 Pa.sec at 20°C and 0.025 Pa.sec at 25°C respectively.
  • Such low viscosity coating compositions are too fluid for application by paint rollers.
  • roller application is quite quick and so the inability to use rollers in coating rough surfaces means that the coating of such surfaces is a slower process than would be the case if rollers could be used.
  • One of the objects of this invention is to provide a method for coating rough surfaces which can use a roller as the application tool.
  • this invention provides a method for applying a coating composition onto a rough surface using a roller having an outer sleeve provided with fibres extending outwardly from the sleeve wherein the coating composition has a Rotothinner mid-shear viscosity at 20°C of at least 5 Pa.sec (Pascal.second) and an ICI Cone & Plate high shear viscosity at 25°C of at least 0.03 Pa.sec and the fibres have a length of at least 3mm and preferably from 7 to 25mm.
  • the use of very high viscosity coating compositions in combination with a roller having long fibres allows the compositions to be forced into recesses of the type found on sawn wood of the type used in making garden fences and decking.
  • the Rotothinner mid-shear viscosity lies in the range 60 to 130 Pa.sec and the ICI Cone & Plate viscosity lies in the range 0.07 to 0.1 Pa.sec.
  • the outer sleeve is preferably made from sheepskin, or woven or knitted polyester, polyamide or woollen fabrics.
  • the compressible inner sleeve is preferably formed from a foamed material such as foamed polyurethane, foamed neoprene, foamed butadienestyrene rubber or foamed polyethylene or ethylene-vinyl acetate copolymer including crosslinked polyethylene or its crosslinked copolymers.
  • foamed material such as foamed polyurethane, foamed neoprene, foamed butadienestyrene rubber or foamed polyethylene or ethylene-vinyl acetate copolymer including crosslinked polyethylene or its crosslinked copolymers.
  • the density of the foamed material is from 50 to 80% of that of the unfoamed material.
  • rollers are used mounted on a central axle attached to a handle so that in use, the roller has a proximal end attached to the handle and a distal end remote from the handle.
  • Figure 1 shows a roller 1 having fibres 2 extending essentially radially outwardly from an outer sleeve 3 which surrounds a resiliently compressible foamed inner sleeve 4 mounted on a support 5 which in turn is rotatably mounted on an axle 6.
  • axle 6 is rigidly connected to a handle 7 by shaped metal bar 8.
  • Outer sleeve 3 extends around distal end 9 of roller 1 so as to facilitate the coating of overlapping panels.
  • a roller for use in the method of this invention has an outer sleeve provided with fibres extending outwardly from the sleeve wherein the fibres have a length of at least 3mm and preferably from 7 to 25mm and the outer sleeve preferably surrounds a resiliently compressible inner sleeve.
  • ICI Cone & Plate high shear viscosity is determined at 25°C as follows:
  • Rotothinner mid-shear viscosity is determined at 20°C using the Sheen/ICI Rotothinner (Electrical Model) described in the Sheen leaflet headed "Viscosity Sheen” published by Sheen Instruments Limited of Scientific on Thames, Surrey, England.

Abstract

A method for roller coating rough surfaces such as those on sawn wood used in garden fences and decking. The method employs coating compositions of a particular high viscosity and applies them using a roller (1) having an outer sleeve (3) provided with long fibres and preferably surrounding a resiliently compressible inner sleeve (4). The combination of high viscosity compositions and long fibres enables efficient coating of rough surfaces. Also for use in the method, a roller having a resilient inner sleeve. <IMAGE>

Description

  • This invention relates to a method for roller coating rough surfaces.
  • Rough surfaces are frequently found on sawn wood structures such as garden fences or decking. The surfaces are characterised by numerous irregular recesses all of which have to be coated if the entire surface is to be covered uniformly. Hitherto, the coating of such recesses has required the use of a brush and very fluid coating compositions whose mid-shear and high shear viscosities are as low as 0.08 Pa.sec at 20°C and 0.025 Pa.sec at 25°C respectively. Such low viscosity coating compositions are too fluid for application by paint rollers. As compared with brush-application, roller application is quite quick and so the inability to use rollers in coating rough surfaces means that the coating of such surfaces is a slower process than would be the case if rollers could be used.
  • One of the objects of this invention is to provide a method for coating rough surfaces which can use a roller as the application tool.
  • Accordingly this invention provides a method for applying a coating composition onto a rough surface using a roller having an outer sleeve provided with fibres extending outwardly from the sleeve wherein the coating composition has a Rotothinner mid-shear viscosity at 20°C of at least 5 Pa.sec (Pascal.second) and an ICI Cone & Plate high shear viscosity at 25°C of at least 0.03 Pa.sec and the fibres have a length of at least 3mm and preferably from 7 to 25mm. It has been found that the use of very high viscosity coating compositions in combination with a roller having long fibres allows the compositions to be forced into recesses of the type found on sawn wood of the type used in making garden fences and decking. Preferably the Rotothinner mid-shear viscosity lies in the range 60 to 130 Pa.sec and the ICI Cone & Plate viscosity lies in the range 0.07 to 0.1 Pa.sec. The outer sleeve is preferably made from sheepskin, or woven or knitted polyester, polyamide or woollen fabrics.
  • Improved coating can be achieved if the outer sleeve is carried on a resiliently compressible inner sleeve. The compressible inner sleeve is preferably formed from a foamed material such as foamed polyurethane, foamed neoprene, foamed butadienestyrene rubber or foamed polyethylene or ethylene-vinyl acetate copolymer including crosslinked polyethylene or
    its crosslinked copolymers. Preferably the density of the foamed material is from 50 to 80% of that of the unfoamed material.
  • Conventionally, rollers are used mounted on a central axle attached to a handle so that in use, the roller has a proximal end attached to the handle and a distal end remote from the handle. In order to coat overlapping panels efficiently, it is preferred to extend the outer sleeve around the distal end of the roller attached to a handle.
  • A preferred roller for use in this invention will now be described with reference to the drawings in which
  • Figure 1 is a transverse section through a roller for use in the method according to this invention and
  • Figure 2 shows on a smaller scale, a perspective view of the roller shown in Figure 1 when attached to handle.
  • Figure 1 shows a roller 1 having fibres 2 extending essentially radially outwardly from an outer sleeve 3 which surrounds a resiliently compressible foamed inner sleeve 4 mounted on a support 5 which in turn is rotatably mounted on an axle 6.
  • From Figure 2, it can be seen that axle 6 is rigidly connected to a handle 7 by shaped metal bar 8. Outer sleeve 3 extends around distal end 9 of roller 1 so as to facilitate the coating of overlapping panels.
  • A roller for use in the method of this invention has an outer sleeve provided with fibres extending outwardly from the sleeve wherein the fibres have a length of at least 3mm and preferably from 7 to 25mm and the outer sleeve preferably surrounds a resiliently compressible inner sleeve.
  • For the purposes of this invention, ICI Cone & Plate high shear viscosity is determined at 25°C as follows:
  • Fixed shear-rate viscosity is measured using the cone and plate technique described in ASTM Test D4287-87, but with conditions adapted to produce a shear rate of 10,000/sec. The cone has an angle of 0.5° and a radius of 7.5mm.
  • Rotothinner mid-shear viscosity is determined at 20°C using the Sheen/ICI Rotothinner (Electrical Model) described in the Sheen leaflet headed "Viscosity Sheen" published by Sheen Instruments Limited of Kingston on Thames, Surrey, England.

Claims (6)

  1. A method for applying a coating composition onto a rough surface using a roller having an outer sleeve provided with fibres extending outwardly from the sleeve wherein the coating composition has a Rotothinner mid-shear viscosity at 20°C of at least 5 Pa•sec and an ICI Cone & Plate high shear viscosity at 25°C of at least 0.03 Pa•sec and the fibres have a length of at least 3mm.
  2. A method according to Claim 1 wherein the length of the fibres is from 7 to 25mm.
  3. A method according to Claim 1 or Claim 2 wherein the outer sleeve is carried on a resiliently compressible inner sleeve.
  4. A method according to Claim 3 wherein the inner sleeve is formed from a foamed material.
  5. A method according to Claim 2 wherein the density of the foamed material is from 50 to 80% of the density of the material when unfoamed.
  6. A method according to any one of the preceding Claims wherein the outer sleeve of the roller extends around one end of the roller.
EP02078105A 2001-09-14 2002-07-30 Method for roller-coating rough surfaces Expired - Lifetime EP1293263B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02078105A EP1293263B1 (en) 2001-09-14 2002-07-30 Method for roller-coating rough surfaces

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GBGB0122284.3A GB0122284D0 (en) 2001-09-14 2001-09-14 Method for roller coating rough surfaces
GB0122284 2001-09-14
EP02076930 2002-05-16
EP02076931 2002-05-16
EP02076931 2002-05-16
EP02076930 2002-05-16
EP02078105A EP1293263B1 (en) 2001-09-14 2002-07-30 Method for roller-coating rough surfaces

Publications (2)

Publication Number Publication Date
EP1293263A1 EP1293263A1 (en) 2003-03-19
EP1293263B1 true EP1293263B1 (en) 2004-09-22

Family

ID=33101769

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02078105A Expired - Lifetime EP1293263B1 (en) 2001-09-14 2002-07-30 Method for roller-coating rough surfaces

Country Status (3)

Country Link
EP (1) EP1293263B1 (en)
AT (1) ATE276834T1 (en)
DE (1) DE60201312T2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3089137B1 (en) * 2018-11-29 2021-02-19 Marquardt Coating device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2312637A1 (en) * 1973-03-14 1974-09-19 Wilhelm Fleissner PAINT ROLLER
FR2277629A1 (en) * 1974-07-13 1976-02-06 Bottcher Felix HIGH ABRASION RESISTANCE FLOKE CYLINDER AND ITS MANUFACTURING PROCESS
DE2807832A1 (en) * 1978-02-23 1979-08-30 Wilhelm Fleissner Paint roller held in bracket handle - contains close-pored foam as sealant to prevent penetration of paint
US4257140A (en) * 1978-04-28 1981-03-24 Imperial Chemical Industries Limited Painting device
DE3485591D1 (en) * 1983-11-02 1992-04-23 Ici Plc COATING COLOR CONTAINER WITH LID, CONTAINING AN AQUEOUS COATING COLOR.
US5090084A (en) * 1989-08-30 1992-02-25 Cleanline Corporation Cleaning roller for surfaces and apparatus for use therewith
DE4237553C2 (en) * 1991-11-12 1996-09-26 Shizuo Sagawa Stamp for use in a method of coating an inner tube surface

Also Published As

Publication number Publication date
DE60201312T2 (en) 2005-02-17
ATE276834T1 (en) 2004-10-15
DE60201312D1 (en) 2004-10-28
EP1293263A1 (en) 2003-03-19

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