EP0387998A1 - Masking member - Google Patents

Masking member Download PDF

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Publication number
EP0387998A1
EP0387998A1 EP90301376A EP90301376A EP0387998A1 EP 0387998 A1 EP0387998 A1 EP 0387998A1 EP 90301376 A EP90301376 A EP 90301376A EP 90301376 A EP90301376 A EP 90301376A EP 0387998 A1 EP0387998 A1 EP 0387998A1
Authority
EP
European Patent Office
Prior art keywords
masking member
sheet
accordance
masking
article
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Withdrawn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
EP90301376A
Other languages
German (de)
English (en)
French (fr)
Inventor
Seinosuke C/O Nagoya Oilchemical Co. Ltd Horiki
Reiji C/O Nagoya Oilchemical Co. Ltd Makino
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.)
Nagoya Oil Chemical Co Ltd
Original Assignee
Nagoya Oil Chemical Co 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
Application filed by Nagoya Oil Chemical Co Ltd filed Critical Nagoya Oil Chemical Co Ltd
Publication of EP0387998A1 publication Critical patent/EP0387998A1/en
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/02—Electroplating of selected surface areas
    • C25D5/022—Electroplating of selected surface areas using masking means

Definitions

  • the present invention relates to a masking member which protects a part of a surface of an article from a surface treatment such as coating, plating, vacuum evaporation, phosphatizing, and the like. More particularly, the present invention relates to a masking member produced by the molding of a sheet to have a shape corresponding with a part of a surface of an article to be protected from a surface treatment wherein said masking member has (an) indention(s) into which (a) projection(s) of said part is(are) inserted.
  • a surface treatment is effected on the surface of an article, and if said surface of said article has (a) part(s) on which said surface treatment should not be effected e.g. because a different surface treatment is effected on said part(s) or said surface treatment of said surface treatment spoils the appearance of said article and so on, said part(s) of said surface of said article may be covered and protected with said masking member.
  • adhesive tape has been used as a masking member to protect a part of a surface of an article such as a bumper of an automobile and the like. Namely, the adhesive tape is attached to said part of said surface to protect said surface from said surface treatment and after said surface treatment, said adhesive tape is removed from said surface. Said surface was not affected by said surface treatment since said part of said surface was covered with said adhesive tape during said surface treatment.
  • adhesive tape as a masking member has faults in that attaching and removing of the adhesive tape to/from said part of said surface takes time and has a high labor cost, and further, the adhesive tape attached to said part of said surface can be buried in the layer of said surface treatment and it is then difficult to find the end of said buried adhesive tape to remove said adhesive tape. Said faults of adhesive tape may seriously obstruct a mass-­production line such as a coating line for automobiles.
  • an object of the present invention is to save trouble when the masking member is attached/removed to/from a part to be protected.
  • a masking member produced by the molding of a sheet having a shape corresponding with a part of a surface of an article to be protected from a surface treat­ment wherein said masking member has (an) indention(s) into which (a) projection(s) of said part is(are) inserted in use.
  • the masking member of the present invention is made of a sheet such as from plastics or rubber such as polystyrene, polyethylene, polypropylene, ethylene-propylene copolymer, polyvinylchloride, polyvinylidene chloride, polymethacrylate, styrene-butadiene copolymer, acrylonitrile-butadiene copolymer, polybutadine polyisoprene, polyisobutylene, polychloroprene, isoprene-isobutylene copolymer, natural rubber, polyurethane, melamine resin, urea resin, phenolresin, epoxyresin and the like; foams of said plastics; or said rubber; fiber sheet such as fabricrubber, knitting, non-woven fabric, paper, corrugated cardboard and the like; thermoplastic resin - impregnated fiber sheet; thermosetting resin - impregnated fiber sheet; wooden sheet such as wood board, hardboard, plywood and the like; metal
  • said masking member is made of a sheet from plastics or rubber
  • inorganic filler such as calcium carbonate, silica, talc, clay, bentonite, stone powder, blast furnace slag, flyash, and the like
  • heat resistance, mechanical properties and the like of said masking member are improved by said inorganic filler and further, when a used masking member is burnt in a combustion furnace, a smaller combustion energy is produced so that said combustion furnace will stand long use.
  • 10 to 500 weight parts, desirably 20 to 400 weight parts of said inorganic filler are mixed into said plastics.
  • organic filler such as wood powder, organic, fiber powder, walnut powder, coconut powder, flour, chaff powder and the like may be mixed into said plastics or rubber. Still further, dyestuff, pigment, antioxidant, ultraviolet absorber plasticizer and the like may be mixed into said plastics or rubber.
  • Polyolefin such as polyethylene, polypropylene and the like are desirable plastics for the material of the sheet of the masking member of the present invention since said polyolefin has high solvent resistance and is inexpensive, and of course, polyolefin in which said inorganic filler is mixed is a desirable material for said masking member.
  • Polystyrene foam is also a desirable material for said masking member since said polystyrene foam is light and inexpensive, nevertheless, since said polystyrene foam has a low solvent resistance and a low heat resistance, it is desirable to laminate a suitable plastic or rubber onto said polystyrene foam.
  • Vacuum forming, press molding, casting, extrusion, injection, molding, paper making and the like may be used to produce the masking member of the present invention.
  • the masking member of the present invention is easily attached to a part of a surface of an article to be protected by inserting (a) projection(s) of said part into (an) indention(s) of the masking member and said masking member is easily removed from said part by extracting said projection(s) of said part from said indention(s) of said masking member. Accordingly, said masking member of the present invention can be correctly, easily, and securely attached to a part of a surface by the guide of said projection(s) of said part and said indention(s) of said masking member.
  • a masking member (110) is produced by the molding of a sheet (111) and has a shape corresponding with the surface of the lower half (121) of a bumper (120) of an automobile (130) and indentions (111A), (111B) are formed in both ends of said masking member (110) wherein projections (121A), (121B) in both ends of said lower half (121) of said bumper (120) are inserted into said indentions (111A), (111B) of said masking member (110). Further, a reinforcing rib (113) is formed in said masking member (110) and an adhesive layer (112) is formed on the upper edge of the inside of said masking member (110).
  • Said masking member (110) is correctly, easily, and securely attached on said lower half (121) of said bumper (120) by inserting said projections (121A), (121B) of said bumper (120) into said indentions (111A), (111B) of said masking member (110) and adhering said adhesive layer (112) to the upper edge of said lower half (121) of said bumper (120), and then a paint (140) is coated on said bumper (120) as shown in Fig. 3. After said coating, said masking member (110) is easily removed from said bumper (120) and said paint (140) is not coated on said lower half (121) of said bumper (120) while said paint (140) is coated on the upper half (122) of said bumper (120) as shown in Fig. 4.
  • Fig. 5 and Fig. 6 relate to another embodiment of the present invention.
  • a masking member (150) is produced by the molding of a sheet (151) and has a shape corresponding with a part (161) of the surface of the underside of an automobile, and a pair of indentions (151A), (151B) are formed in said masking member (150) wherein projections (161A), (161B) of said underside of said automobile are inserted into said indentions (151A), (151B) of said masking member (150).
  • Said masking member (150) is attached on said part (161) of said surface (160) of said underside of said automobile by inserting said projections (161A), (161B) of said part (161) of said surface (160) of the said underside of said automobile into said indentions (151A), (151B) of said masking member.
  • said minimum diameters of said indentions (151A), (151B) of the masking member (150) are respectively a little smaller than the maximum diameters of said projections (161A), (161B) of said part (161), said projections (161A), (161B) are tightly inserted into said indentions (151A), (151B) and as the result, said masking member is securely attached to said part (161) without an adhesive layer.
  • a laminated sheet consisting of a soft elastic sheet such as a soft-type polyvinylchloride foam sheet, soft-type polyurethane foam sheet, soft-type melamine resin foam sheet, foam rubber sheet, felt sheet and the like, and a rigid sheet such as a hard-type polyvinylchloride sheet, polystyrene sheet, polyethylene sheet, polypropylene sheet, resin-impregnated fiber sheet, hard-type paper, hard-type wooden sheet, metal sheet and the like is used as the material of said masking member (150).
  • said soft elastic sheet is located inside said indentions (151A), (151B) and said rigid sheet is located outside said indentions (151A), (151B).
  • Said surface (160) of said underside of said automobile is then coated with a paint. After said coating, said masking member (150) is removed from said part (161) of said surface (160).

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Physical Vapour Deposition (AREA)
  • Coating Apparatus (AREA)
  • Electroplating Methods And Accessories (AREA)
EP90301376A 1989-02-10 1990-02-09 Masking member Withdrawn EP0387998A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15622/89U 1989-02-10
JP1989015622U JPH02108763U (th) 1989-02-10 1989-02-10

Publications (1)

Publication Number Publication Date
EP0387998A1 true EP0387998A1 (en) 1990-09-19

Family

ID=11893809

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90301376A Withdrawn EP0387998A1 (en) 1989-02-10 1990-02-09 Masking member

Country Status (4)

Country Link
EP (1) EP0387998A1 (th)
JP (1) JPH02108763U (th)
AU (1) AU631598B2 (th)
CA (1) CA2009534A1 (th)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012075979A3 (de) * 2010-10-11 2012-11-08 Mtu Aero Engines Gmbh Verfahren zur elektrochemischen individuellen beschichtung eines bauteils sowie vorrichtung

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5519953B2 (ja) * 2009-04-14 2014-06-11 日産自動車株式会社 マスキング方法
CN113275149B (zh) * 2021-06-01 2022-01-18 丰县通亚电子科技有限公司 环保型电动车喷漆装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4358482A (en) * 1981-10-23 1982-11-09 General Motors Corporation End finishing composite trim strips
GB2158368A (en) * 1984-04-27 1985-11-13 Honda Motor Co Ltd Method of partially painting an article
EP0256782B1 (en) * 1986-08-06 1991-09-04 Nagoya Oilchemical Co., Ltd. A masking member

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4358482A (en) * 1981-10-23 1982-11-09 General Motors Corporation End finishing composite trim strips
GB2158368A (en) * 1984-04-27 1985-11-13 Honda Motor Co Ltd Method of partially painting an article
EP0256782B1 (en) * 1986-08-06 1991-09-04 Nagoya Oilchemical Co., Ltd. A masking member

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 10, no. 23 (C-325)[2080], 29th January 1986; & JP-A-60 174 894 (CITIZEN TOKEI K.K.) 09-09-1985 *
PATENT ABSTRACTS OF JAPAN, vol. 12, no. 148 (C-493)[2995], 7th May 1988; & JP-A-62 263 992 (HITACHI CABLE LTD) 16-11-1987 *
PATENT ABSTRACTS OF JAPAN, vol. 7, no. 232 (C-190)[1377], 14th October 1983; & JP-A-58 123 897 (SUWA SEIKOSHA K.K.) 23-07-1983 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012075979A3 (de) * 2010-10-11 2012-11-08 Mtu Aero Engines Gmbh Verfahren zur elektrochemischen individuellen beschichtung eines bauteils sowie vorrichtung

Also Published As

Publication number Publication date
CA2009534A1 (en) 1990-08-10
AU4918290A (en) 1990-08-16
AU631598B2 (en) 1992-12-03
JPH02108763U (th) 1990-08-29

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