EP0148427A3 - Process for dissolving or removing protective layers or coverings applied to surfaces - Google Patents

Process for dissolving or removing protective layers or coverings applied to surfaces Download PDF

Info

Publication number
EP0148427A3
EP0148427A3 EP84114950A EP84114950A EP0148427A3 EP 0148427 A3 EP0148427 A3 EP 0148427A3 EP 84114950 A EP84114950 A EP 84114950A EP 84114950 A EP84114950 A EP 84114950A EP 0148427 A3 EP0148427 A3 EP 0148427A3
Authority
EP
European Patent Office
Prior art keywords
coverings
dissolving
protective layers
contaminated
removing protective
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Withdrawn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
EP84114950A
Other languages
German (de)
French (fr)
Other versions
EP0148427A2 (en
Inventor
Walter Metzger
Rainer Schmidt
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.)
Forschungszentrum Karlsruhe GmbH
Original Assignee
Kernforschungszentrum Karlsruhe GmbH
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 Kernforschungszentrum Karlsruhe GmbH filed Critical Kernforschungszentrum Karlsruhe GmbH
Publication of EP0148427A2 publication Critical patent/EP0148427A2/en
Publication of EP0148427A3 publication Critical patent/EP0148427A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B44D3/16—Implements or apparatus for removing dry paint from surfaces, e.g. by scraping, by burning
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/001—Decontamination of contaminated objects, apparatus, clothes, food; Preventing contamination thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

Die Erfindung betrifft ein Verfahren zum Ablösen bzw. Entfernen von auf Oberflächen aufgebrachten Schutzbe­ schichtungen oder Belägen. The invention relates to a method for detaching or Removal of protective coatings applied to surfaces layers or coverings.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zu schaffen, mit welchem schadhafte und/oder kontaminierte Schutzbeschichtungen oder Beläge auf Oberflächen bei­ spielsweise von Gebäudestrukturen, Maschinen, Anlagen, Ap­ paraten etc. leicht und rückstandslos von ihrem Untergrund abgelöst bzw. entfernt werden können. Das Verfahren soll, ins­ besondere bei der Entfernung von mit radioaktiven Substan­ zen kontaminierten Beschichtungen, geringstmögliche Bela­ stungen für Personal und Umwelt mit sich bringen. Dies wird dadurch erreicht, daß die abzulosende Bescnichtung oder der Belag mit ihrer offenen, der zu schützenden Oberfläche abge­ wandten Seite einem Kälteschock ausgesetzt wird. The invention has for its object a method to create with which defective and / or contaminated Protective coatings or coverings on surfaces for example of building structures, machines, systems, Ap prepare etc. easily and without residue from their surface can be detached or removed. The procedure should, ins especially when removing radioactive substances zen contaminated coatings, lowest possible Bela bring with them for staff and the environment. this will thereby achieved that the coating to be removed or the Covering with its open, the surface to be protected cold side is exposed to a cold shock.

EP84114950A 1983-12-24 1984-12-07 Process for dissolving or removing protective layers or coverings applied to surfaces Withdrawn EP0148427A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833347039 DE3347039A1 (en) 1983-12-24 1983-12-24 METHOD FOR DETACHING OR. REMOVE PROTECTIVE COATINGS OR COATINGS APPLIED TO SURFACES
DE3347039 1983-12-24

Publications (2)

Publication Number Publication Date
EP0148427A2 EP0148427A2 (en) 1985-07-17
EP0148427A3 true EP0148427A3 (en) 1986-11-26

Family

ID=6218115

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84114950A Withdrawn EP0148427A3 (en) 1983-12-24 1984-12-07 Process for dissolving or removing protective layers or coverings applied to surfaces

Country Status (3)

Country Link
EP (1) EP0148427A3 (en)
DE (1) DE3347039A1 (en)
ES (1) ES8605399A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2624644A1 (en) * 1987-12-10 1989-06-16 Tiesse Jean Claude Process and devices making use of it, for decontaminating and cleaning all surfaces comprising a transferable contamination of nuclear order, without creating other waste
DE3803579C1 (en) * 1988-02-06 1989-07-13 Degussa Ag, 6000 Frankfurt, De
DE3911329A1 (en) * 1989-04-07 1990-10-11 Dornier Luftfahrt METHOD FOR UNPAINTING WORKPIECES, IN PARTICULAR FIBER COMPOSITE WORKPIECES
NL191531C (en) * 1990-07-13 1995-09-04 Demaco B V Device for separating starting material, which consists of metal and non-metal adhered thereto.
DE4028434A1 (en) * 1990-09-07 1992-03-12 Georg Michael Prof Dr In Daerr Polluted structure repair method - renders expansion-joint material hard and brittle by sudden freezing before removal
DE4041307A1 (en) * 1990-12-21 1992-06-25 Linde Ag METHOD FOR DE-PAINTING WORKPIECES
DE4230732C1 (en) * 1992-09-14 1993-09-09 Schott Glaswerke, 55122 Mainz, De
DE19521236C2 (en) * 1995-06-10 1999-08-05 Nukem Gmbh Process for decontaminating the boundaries of closed areas
WO2022210519A1 (en) * 2021-03-29 2022-10-06 住友重機械工業株式会社 Fluid medium regeneration device, combustion system and combustion method of fluidized bed combustion furnace

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2403543A1 (en) * 1974-01-25 1975-08-07 Peiniger Ernst Gmbh Removing plastics coatings from a substrate - by applying abrupt thermal stress
US3934379A (en) * 1974-09-03 1976-01-27 Wisconsin Alumni Research Foundation Removal of built up layers of organic coatings
FR2493189A1 (en) * 1980-10-31 1982-05-07 Messer Griesheim Gmbh METHOD FOR REMOVING LAYER LAYERS AND DEVICE FOR IMPLEMENTING SAME

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2403543A1 (en) * 1974-01-25 1975-08-07 Peiniger Ernst Gmbh Removing plastics coatings from a substrate - by applying abrupt thermal stress
US3934379A (en) * 1974-09-03 1976-01-27 Wisconsin Alumni Research Foundation Removal of built up layers of organic coatings
FR2493189A1 (en) * 1980-10-31 1982-05-07 Messer Griesheim Gmbh METHOD FOR REMOVING LAYER LAYERS AND DEVICE FOR IMPLEMENTING SAME

Also Published As

Publication number Publication date
DE3347039A1 (en) 1985-07-11
ES538938A0 (en) 1986-03-16
ES8605399A1 (en) 1986-03-16
EP0148427A2 (en) 1985-07-17

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): BE CH FR GB IT LI NL

17P Request for examination filed

Effective date: 19850605

PUAL Search report despatched

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Designated state(s): BE CH FR GB IT LI NL

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Effective date: 19880322

STAA Information on the status of an ep patent application or granted ep patent

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18W Application withdrawn

Withdrawal date: 19880729

RIN1 Information on inventor provided before grant (corrected)

Inventor name: METZGER, WALTER

Inventor name: SCHMIDT, RAINER