EP0429260A1 - Verfahren und Vorrichtung zur Maskierung - Google Patents

Verfahren und Vorrichtung zur Maskierung Download PDF

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Publication number
EP0429260A1
EP0429260A1 EP90312499A EP90312499A EP0429260A1 EP 0429260 A1 EP0429260 A1 EP 0429260A1 EP 90312499 A EP90312499 A EP 90312499A EP 90312499 A EP90312499 A EP 90312499A EP 0429260 A1 EP0429260 A1 EP 0429260A1
Authority
EP
European Patent Office
Prior art keywords
masking
boss
hole
article
masking member
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Withdrawn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
EP90312499A
Other languages
English (en)
French (fr)
Inventor
Seinosuke C/O Nagoya Oilchemical Co. Ltd. Horiki
Reiji C/O Nagoya Oilchemical Co. Ltd. Makino
Tetuji C/O Nagoya Oilchemical Co. Ltd. Unno
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 EP0429260A1 publication Critical patent/EP0429260A1/de
Withdrawn legal-status Critical Current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
    • B05B12/26—Masking elements, i.e. elements defining uncoated areas on an object to be coated for masking cavities

Definitions

  • the present invention relates to a masking arrangement and masking methods adapted to protect a hole in an article from a surface treatment.
  • a masking member (103) consisting a vessel type inserting part (103)A and a flange (103)B extending from the upper edge of said inserting part (103)A has been provided to protect a hole (102) in an article (101).
  • Said masking member (103) is attached onto said hole (102) by applying it to a boss (102)A surrounding said hole (102).
  • said masking member (103) is made of a thermo-plastic material
  • said masking member (103) may contract by said heating since said masking member has residual strain when said masking member is molded and falls into said hole (102) as shown in Fig. 4.
  • said hole (102) cannot be completely protected by said masking member (103) during said surface treatment process.
  • an object of the present invention is to provide improved masking protection for a hole if an article from a surface treatment, and reduce the chance of contraction of a masking member into said hole of said article.
  • a masking arrangement comprising, in an article to be surface heated, a hole with a boss round it, and a masking member consisting of a member having a groove near its edge wherein said masking member is attached by said boss round said hole being received in said groove of said masking member.
  • This invention also provides a method of masking a hole and a boss which is around it which are provided in an article to be surface treated by attaching to the boss a member having a groove near its edge, in which the boss is received.
  • the invention provides a method of surface treating an article having a hole and a boss which is around it which are to be masked from the surface treatment, including the steps of attaching to the boss a member having a groove near its edge, in which the boss is received, performing the surface treatment and removing the member.
  • the invention provides the use of a member for the purpose of masking a hole, which is in an article, and a boss which is around the hole, during surface treatment of the article, the member having a groove near its edge in which in use the boss is received.
  • Fig. 1 and Fig. 2 relate to an embodiment of the present invention
  • Fig. 3 and Fig. 4 relate to the prior art.
  • a plate type masking member consists of a vessel type inserting part (113)A, a groove (113)B surrounding said inserting part (113)A, and a flange (113)C extending from the outside of said groove (113)B.
  • Said masking member (113) may be produced by the vacuum forming or press molding of a plastic sheet such as a polystyrene sheet, polyethylene sheet, polypropylene sheet, polyurethane sheet, or the like, a foamed plastic sheet, such as a foamed polystyrene sheet, foamed polyethylene sheet, foamed polypropylene sheet, foamed polyurethane sheet, or the like, a laminated sheet consisting of a plural number of sheets selected from said plastic sheets and foamed plastic sheets.
  • a plastic sheet such as a polystyrene sheet, polyethylene sheet, polypropylene sheet, polyurethane sheet, or the like
  • a foamed plastic sheet such as a foamed polystyrene sheet, foamed polyethylene sheet, foamed polypropylene sheet, foamed polyurethane sheet, or the like
  • a laminated sheet consisting of a plural number of sheets selected from said plastic sheets and foamed plastic sheets.
  • said masking member (113) may be produced by expansion molding using expandable beads such as expandable polystyrene beads, expandable polyethylene beads, expandable polypropylene beads, or the like, or by injection molding using plastic pellets such as polystyrene pellets, polyethylene pellets, polypropylene pellets or the like.
  • An inorganic filler such as calcium carbonate, talc, bentonite, fly ash, blast furnace slag or the like may be mixed in said plastics as a material of said masking member (113). When said inorganic filler is mixed in said plastics, the mechanical strength of said masking member (113) may be improved and the plastic needed for said masking member (113) may be reduced.
  • the heat of combustion from said burnt masking member may be reduced since said inorganic filler in said masking member is incombustible. Therefore, the life of the incinerator may be prolonged.
  • Preferable plastic as the material for the masking member (113) may be a polyolefin such as polyethylene, polypropylene or the like since said polyolefin has solvent resistance.
  • Said masking member (113) is attached onto said hole (112) by inserting said boss (112)A of said hole (112) into said groove (113)B of said masking member (113) before a surface treatment.
  • the surface treatment can be performed.
  • the hole and boss are not subject to the surface treatment.
  • the masking member can be removed, e.g. by being pulled off, manually or by a robot, or can be destroyed by heating in situ . This leaves the hole and boss unaffected by the surface treatment.
  • This invention is particularly useful for protecting parts of the surfaces of substantial manufactured articles such as car or other automobile bodies.

Landscapes

  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Physical Vapour Deposition (AREA)
EP90312499A 1989-11-17 1990-11-16 Verfahren und Vorrichtung zur Maskierung Withdrawn EP0429260A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1989134206U JPH086554Y2 (ja) 1989-11-17 1989-11-17 マスキング材取付構造
JP134206/89U 1989-11-17

Publications (1)

Publication Number Publication Date
EP0429260A1 true EP0429260A1 (de) 1991-05-29

Family

ID=15122902

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90312499A Withdrawn EP0429260A1 (de) 1989-11-17 1990-11-16 Verfahren und Vorrichtung zur Maskierung

Country Status (3)

Country Link
EP (1) EP0429260A1 (de)
JP (1) JPH086554Y2 (de)
CA (1) CA2030099A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0853982A3 (de) * 1997-01-15 2001-12-12 STAHLSCHMIDT & MAIWORM GmbH Verfahren und Vorrichtung zum Abdecken von Befestigungslöchern an einem Rad
CN102978566A (zh) * 2012-12-14 2013-03-20 西北有色金属研究院 一种制备真空物理气相沉积镀层图案的方法
IT201800002828A1 (it) * 2018-02-19 2019-08-19 Ramponi S P A Metodo per preparare borchie alla rispettiva finitura superficiale

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH578054A5 (en) * 1973-09-07 1976-07-30 Oxy Metal Finishing Corp Jigs for selective electroplating - using inflatable balloons to mask the interior of the workpieces being plated
FR2623734A1 (fr) * 1987-12-01 1989-06-02 Sofitec Sa Cache de protection
EP0331455A2 (de) * 1988-03-03 1989-09-06 Bowthorpe-Hellermann Limited Abschirmvorrichtung und Abschirmungsverfahren

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH578054A5 (en) * 1973-09-07 1976-07-30 Oxy Metal Finishing Corp Jigs for selective electroplating - using inflatable balloons to mask the interior of the workpieces being plated
FR2623734A1 (fr) * 1987-12-01 1989-06-02 Sofitec Sa Cache de protection
EP0331455A2 (de) * 1988-03-03 1989-09-06 Bowthorpe-Hellermann Limited Abschirmvorrichtung und Abschirmungsverfahren

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0853982A3 (de) * 1997-01-15 2001-12-12 STAHLSCHMIDT & MAIWORM GmbH Verfahren und Vorrichtung zum Abdecken von Befestigungslöchern an einem Rad
CN102978566A (zh) * 2012-12-14 2013-03-20 西北有色金属研究院 一种制备真空物理气相沉积镀层图案的方法
CN102978566B (zh) * 2012-12-14 2015-02-25 西北有色金属研究院 一种制备真空物理气相沉积镀层图案的方法
IT201800002828A1 (it) * 2018-02-19 2019-08-19 Ramponi S P A Metodo per preparare borchie alla rispettiva finitura superficiale

Also Published As

Publication number Publication date
CA2030099A1 (en) 1991-05-18
JPH0375882U (de) 1991-07-30
JPH086554Y2 (ja) 1996-02-28

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