EP0351088A2 - Traitement de surfaces - Google Patents

Traitement de surfaces Download PDF

Info

Publication number
EP0351088A2
EP0351088A2 EP89306493A EP89306493A EP0351088A2 EP 0351088 A2 EP0351088 A2 EP 0351088A2 EP 89306493 A EP89306493 A EP 89306493A EP 89306493 A EP89306493 A EP 89306493A EP 0351088 A2 EP0351088 A2 EP 0351088A2
Authority
EP
European Patent Office
Prior art keywords
film
applicator
strip
paint
coating
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.)
Withdrawn
Application number
EP89306493A
Other languages
German (de)
English (en)
Other versions
EP0351088A3 (fr
Inventor
Arthur David Fotheringham
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.)
Smiths Group PLC
Original Assignee
Smiths Group PLC
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
Priority claimed from GB888816398A external-priority patent/GB8816398D0/en
Priority claimed from GB888822659A external-priority patent/GB8822659D0/en
Application filed by Smiths Group PLC filed Critical Smiths Group PLC
Publication of EP0351088A2 publication Critical patent/EP0351088A2/fr
Publication of EP0351088A3 publication Critical patent/EP0351088A3/fr
Withdrawn legal-status Critical Current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
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
    • B05B12/20—Masking elements, i.e. elements defining uncoated areas on an object to be coated
    • B05B12/24—Masking elements, i.e. elements defining uncoated areas on an object to be coated made at least partly of flexible material, e.g. sheets of paper or fabric
    • 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
    • B05C21/00—Accessories or implements for use in connection with applying liquids or other fluent materials to surfaces, not provided for in groups B05C1/00 - B05C19/00
    • 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
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
    • B05C9/12—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation being performed after the application
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
    • B65H35/002—Hand-held or table apparatus
    • B65H35/0026—Hand-held or table apparatus for delivering pressure-sensitive adhesive tape
    • B65H35/0033—Hand-held or table apparatus for delivering pressure-sensitive adhesive tape and affixing it to a surface
    • 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
    • B05D1/32—Processes for applying liquids or other fluent materials using means for protecting parts of a surface not to be coated, e.g. using stencils, resists
    • B05D1/322—Removable films used as masks
    • 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
    • B05D3/007—After-treatment

Definitions

  • This invention relates to methods and apparatus for treating surfaces.
  • the invention is more particularly concerned with methods and apparatus for preventing newly painted or varnished doors, windows or the like sticking when they are closed.
  • the invention is also concerned with methods and apparatus for masking surfaces.
  • a method of protecting a newly coated surface including the steps of allowing the coated surface to become touch dry, applying over the surface a film of non-adhesive clinging plastics material to protect the surface and subsequently removing the film when the protection is no longer required.
  • the coating may be paint or a filler.
  • an applicator for applying strip material to a surface characterised in that the applicator includes an applicator member located at the end of an arm and that the strip material is fed over the applicator member such that the applicator member can be used to urge the strip material into contact with a surface that is coated or is to be coated.
  • the strip material is preferably in a roll.
  • the applicator member may be a resilient blade.
  • the strip material may be of a non-adhesive ciinging plastics material.
  • a method of masking a surface from paint or other coating substance in which a strip of material is applied over the surface prior to painting or coating and is subsequently removed after painting or coating the surface adjacent the strip, characterised in that the strip is a film of a non-adhesive clinging plastics material.
  • the film applicator is in the form of a moulded, rigid plastics case 1, with a cylindrical receptacle 2 and a laterally extending applicator arm 3.
  • the receptacle 2 contains a roll 4 of a thin, flexible plastics film 5 of plasticised PVC or polyolefin such as is commonly sold under the name 'cling film' for wrapping food but need not be food grade for this application.
  • This film is non-adhesive, but clings to itself and most smooth surfaces by a combination of effects, namely the exclusion of air, the blocking effect produced by the material of the film, the thin and light nature of the film, and static electricity.
  • the tackiness of the paint also aids adhesion.
  • the film is preferably between about 10 and 12 micron thick but may be in the range of about 8 to 60 micron.
  • the width of the film 5 is about 23mm but could be between about 5mm to 35mm.
  • the film 5 is lead out of the receptacle through an opening in the form of a slot 10 located on the under side of the applicator arm 3 and extends across the tip 11 of the arm.
  • a flat applicator member in the form of a blade 12 of a soft deformable rubber or plastics material, such as a polyurethane (as, for example, sold under the trade mark ULON).
  • the blade 12 tapers to its outer edge 13 which may be rounded or sharply angled, as shown in Figures 2A to 2E.
  • the edge 13 of the blade 12 may be curved across its width, as shown in Figure 3, such that it is slightly longer midway across its width than at opposite sides.
  • the blade could be moulded in this shape, or held bowed in the applicator to give it some curvature.
  • a guide or applicator pip could be moulded into the arm of the case, or, as shown in Figure 2F and 2G, a guide pip 15 could be moulded into the blade.
  • a cutter 14 with a serrated edge may be mounted on the upper side of the applicator arm 3.
  • the applicator is shown being used to protect the newly painted edge 20 of a door 21 where it will come into contact with the door jamb 22 when closed.
  • the applicator can be used to protect any surface where the paint, or other coating, is touch dry, that is, it has a dry or slightly tacky surface, but may still be wet underneath.
  • the film 5 is held against the top of the edge 20 by the blade 12 so that the film clings to the surface by virtue of its inherent clinging characteristics and any residual tackiness in the paint.
  • the applicator is then pulled down the edge 20 of the door 21 whilst the blade 12 pushes the film 5 lightly against the painted surface.
  • the cling bond, in the shear mode is sufficient to hold the film and cause it to be unrolled from the roll 4 through the slot 10 in the case 1.
  • the film 5 is cut at some point beyond the blade 12 either by the cutter 14 or a separate knife or scissors. Any edges of the film 5 projecting over the side of the painted surface are folded back against the door by hand. The door 21 can then be closed, trapping the film between the edge of the door and the door jamb. The film effectively prevents the painted surface 20 sticking to the jamb 22 and allows the door to be opened freely.
  • the film can be easily removed by peeling away from the surface so as to allow the paint to dry further.
  • the film is sufficiently permeable to the paint solvent, however, to allow the paint to dry through it and can be left in place for some time. Typically, the film would be left in place for about a week by which time the paint would be substantially dry and hard. The film could then be removed and the door or window left open for a day or so to expose the paint surface to atmosphere following which the door can be closed without the need for the film.
  • another strip of film can be applied to the painted surface if the door has to be closed again before the paint has dried fully. It has been found that removal of the film does not visibly damage the underlying paint.
  • the curved edge 13 of the blade 12 can help reduce the risk of wrinkling and of air bubbles being caught under the film 5.
  • the blade 12 also allows the film to be applied over slight protuburances without being torn.
  • FIGS 5 to 7 show an applicator incorporating a roller 50.
  • the roller has a convex surface 51 giving it a barrel shape.
  • the invention could be used to protect surfaces coated by other substances such as varnish or fillers.
  • Silicone rubber is sometimes applied to repair gaps in windows and to act as a sealant with the frame.
  • a strip of film could be applied over the silicone rubber before it has cured. The window is then closed so that the silicone rubber is deformed to fill the gaps and conform to the surface of the frame.
  • the film can be removed readily from the silicone rubber after it has partially, or fully cured.
  • the film applicator could also be used for masking surfaces prior to painting or to coating with other substances.
  • it can be used to apply a strip of the film 5 to the edge of, for example, window panes.
  • the strip of film 5 is applied to the glass, close to the frame, prior to painting.
  • the frame can then be painted in the usual way with the film 5 protecting the glass from any overlap of paint.
  • the film 5 is removed leaving a straight painted line.
  • the applicator may be modified slightly, as shown in Figures 8 and 9. This modified applicator 80 has an open side 81 which enables the film to be applied close to the edge of the surface to be painted.
  • the applicator 80 also has an applicator arm 83 which is slightly longer than the arm 3 of the applicator shown in Figure 1, so that the tip of the arm can reach the surface to be masked without obstruction by any adjacent frame.
  • the film could be of an adhesive or non-adhesive material.
  • FIG. 10 An alternative construction of applicator for use in protecting coated surfaces or for masking is shown in Figure 10.
  • This applicator has an applicator arm 103 which extends tangentially of a roll 104 of film 105.
  • the tip of the applicator arm 103 has a channel 106 with opposed beads 107 that serves to retain a resilient applicator blade 108.
  • the roll 104 has a cardboard core 109 and is supported on a fixed spindle 110 by means of a moulded plastic hub 111.
  • the hub 111 has four radially projecting pips 112 which form a secure push fit in the cardboard core 109.
  • the film 105 is lead off the roll 104 through an opening 113 in the casing of the applicator and over the edge of the applicator blade 108, making an angle ⁇ with the blade of between about 60 degrees and 55 degrees according to the amount of film 105 left on the roll 104.

Landscapes

  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
EP19890306493 1988-07-09 1989-06-27 Traitement de surfaces Withdrawn EP0351088A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB8816398 1988-07-09
GB888816398A GB8816398D0 (en) 1988-07-09 1988-07-09 Treating surfaces
GB888822659A GB8822659D0 (en) 1988-09-27 1988-09-27 Treating surfaces
GB8822659 1988-09-27

Publications (2)

Publication Number Publication Date
EP0351088A2 true EP0351088A2 (fr) 1990-01-17
EP0351088A3 EP0351088A3 (fr) 1991-04-24

Family

ID=26294145

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890306493 Withdrawn EP0351088A3 (fr) 1988-07-09 1989-06-27 Traitement de surfaces

Country Status (3)

Country Link
EP (1) EP0351088A3 (fr)
AU (1) AU3790189A (fr)
GB (1) GB2221171B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004007326A3 (fr) * 2003-02-15 2004-04-15 Henkel Consumer Adhesives Inc Devidoir de ruban adhesif
USD500086S1 (en) 2003-07-08 2004-12-21 Henkel Consumer Adhesives, Inc. Tape dispenser

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2519612B (en) * 2013-10-23 2020-03-04 Naomi Molyneux Vivienne Device to ensure touch dry painted surfaces will not stick to another surface

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB428167A (en) * 1933-05-10 1935-05-08 Leopold Rado An improved holder for a roll of adhesive strip material
GB757551A (en) * 1953-04-20 1956-09-19 Brown Bridge Mills Improvements in the coating of web or sheet material with thermoplastic adhesive
GB1129442A (en) * 1966-10-29 1968-10-02 Hub Stay And Shoe Trim Corp Method and apparatus for treating cloth tape to deposit a plastics layer thereon
US3536569A (en) * 1967-11-13 1970-10-27 James L Gosnell Dispenser-applicator apparatus for masking tape
SE357327B (fr) * 1969-06-30 1973-06-25 Minnesota Mining & Mfg
CH532525A (de) * 1970-12-17 1973-01-15 Hansjoerg Dipl Ch Rothenberger Gerät zum Aufbringen eines Selbstklebebandes
US3871940A (en) * 1973-11-12 1975-03-18 Hatala Andrew A Tape dispenser
US4096021A (en) * 1977-03-17 1978-06-20 Pool Danny L Hand held masking machine
USRE30787E (en) * 1977-03-17 1981-11-03 Hand held masking machine
US4383020A (en) * 1980-01-11 1983-05-10 Sheldahl, Inc. Preparation of photoconductive film using radiation curable resin
SE428649B (sv) * 1982-06-07 1983-07-18 Klas Jakobsson Forfarande vid sprutmalning samt en anordning for genomforande av forfarandet
GB8415782D0 (en) * 1984-06-20 1984-07-25 Autotype Int Ltd Masking films
DE3585539D1 (de) * 1985-10-26 1992-04-09 Mitsui Toatsu Chemicals Abziehbare beschichtungsfolie und diese verwendendes beschichtungsverfahren.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004007326A3 (fr) * 2003-02-15 2004-04-15 Henkel Consumer Adhesives Inc Devidoir de ruban adhesif
US7152650B2 (en) 2003-02-15 2006-12-26 Henkel Consumer Adhesives, Inc. Tape dispenser
US7191815B2 (en) 2003-02-15 2007-03-20 Henkel Corporation Tape dispenser
USD500086S1 (en) 2003-07-08 2004-12-21 Henkel Consumer Adhesives, Inc. Tape dispenser

Also Published As

Publication number Publication date
GB2221171B (en) 1992-09-23
GB8914827D0 (en) 1989-08-16
GB2221171A (en) 1990-01-31
EP0351088A3 (fr) 1991-04-24
AU3790189A (en) 1990-01-11

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