[go: up one dir, main page]

WO2001051266A1 - Procede de recyclage d'un element en matiere de synthese dote d'un revetement de surface - Google Patents

Procede de recyclage d'un element en matiere de synthese dote d'un revetement de surface Download PDF

Info

Publication number
WO2001051266A1
WO2001051266A1 PCT/EP2001/000095 EP0100095W WO0151266A1 WO 2001051266 A1 WO2001051266 A1 WO 2001051266A1 EP 0100095 W EP0100095 W EP 0100095W WO 0151266 A1 WO0151266 A1 WO 0151266A1
Authority
WO
WIPO (PCT)
Prior art keywords
plastic component
surface coating
plastic
pretreatment
bumper
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.)
Ceased
Application number
PCT/EP2001/000095
Other languages
German (de)
English (en)
Inventor
Juergen Arnold
Wilfried Duesberg
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.)
Messer Griesheim GmbH
Original Assignee
Messer Griesheim 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 Messer Griesheim GmbH filed Critical Messer Griesheim GmbH
Priority to EP01900391A priority Critical patent/EP1252004A1/fr
Priority to AU25135/01A priority patent/AU2513501A/en
Publication of WO2001051266A1 publication Critical patent/WO2001051266A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/0064—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes
    • B08B7/0092—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes by cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/003—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods using material which dissolves or changes phase after the treatment, e.g. ice, CO2
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
    • B24C1/086—Descaling; Removing coating films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B17/0404—Disintegrating plastics, e.g. by milling to powder
    • B29B17/0408—Disintegrating plastics, e.g. by milling to powder using cryogenic systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B2017/0416—Cooling the plastics before disintegration, e.g. freezing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B2017/0424—Specific disintegrating techniques; devices therefor
    • B29B2017/0428—Jets of high pressure fluid
    • B29B2017/0432—Abrasive blasting, i.e. the jets being charged with abrasives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B29L2009/005—Layered products coated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/28—Tools, e.g. cutlery
    • B29L2031/286—Cutlery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3005—Body finishings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3044—Bumpers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3055—Cars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3055—Cars
    • B29L2031/3061—Number plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/44—Furniture or parts thereof
    • B29L2031/445—Cabinets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/762—Household appliances
    • B29L2031/7622—Refrigerators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Definitions

  • the invention relates to a method for recycling a plastic component having a surface coating, the surface coating being firmly connected to the plastic component.
  • Surface coatings are used in a variety of ways in industry. With these plastic components, the surface coating can fulfill the function of a protective, visible or functional coating.
  • Examples include bumpers, fenders and side parts of a vehicle made of colored plastics with clear lacquer coatings or lenses and galvanized headlight mirrors of a headlight of a vehicle with metallic coatings.
  • plastic components provided with a surface coating are also used for household appliances or electronic devices, for example as housings.
  • plastic components are provided with thin metal coatings in order to be used as data or sound carriers, for example as floppy disks or CDs.
  • plastic components are mass-produced on production lines.
  • Part of the manufacturing process is to apply the surface coating to the plastic components.
  • the surface coating is firmly connected to the plastic component.
  • Defective coated plastic components are thus reject parts of the manufacturing process that have to be disposed of.
  • Plastic components with a surface coating are partially damaged during use, which only damage the surface coating.
  • bumpers of vehicles are often only damaged on the surface by light impacts. Nevertheless, such plastic components are replaced by new ones and must be disposed of.
  • plastic components with surface coatings In order to maintain a certain value of goods, the recycling of plastic components with surface coatings has established itself as an alternative disposal method. During this recycling process, the plastic components to be disposed of are shredded. The various material components of the plastic component and the surface coating are separated after shredding and sent to various further uses or disposal channels.
  • Plastic component or the surface coating were used. This means that the substances obtained by recycling are often not suitable for the production of plastic components or surface coatings of the same quality as those from which they were obtained by recycling. Thus, there is always a loss in value associated with recycling, since the recycled products do not correspond to the quality of the starting products. In addition, recycling is associated with high energy and cost expenditure.
  • the invention is therefore based on the object of proposing an inexpensive method for recycling a plastic component of the type mentioned at the outset, which maintains the value of the plastic component.
  • This object is achieved in a method according to the preamble of claim 1 by a pretreatment of the plastic component in which the surface coating is at least partially detached from the plastic component and a cryogenic treatment in which the
  • the defective surface coating is now at least partially removed from the plastic component without damaging the plastic component, the plastic component retains its efficiency and can be provided with a surface coating again.
  • plastic components in which the surface coating was incorrectly applied during the manufacturing process this can be removed and a new one Surface coating can be applied.
  • the plastic component need not be costly recycled, but can be reintroduced into the manufacturing process. Since the plastic component is removed by removing the
  • Coated plastic components in which only the surface coating has been damaged for example when the bumper of a vehicle is damaged by a slight impact, can also be recycled by the method according to the invention and can be used again in the manufacturing process of new plastic components with a surface coating without any loss of value.
  • the damaged surface coating is removed from the plastic component without the latter itself being damaged.
  • the plastic component which is then no longer coated, can be supplied to the manufacturing process for new plastic components with a surface coating, since its shape and strength in particular have not been impaired.
  • the coated plastic components can be recycled with the method according to the invention after the running time of the elements in which they are installed, for example a vehicle.
  • the coated plastic components are unimpaired in their shape and strength when the elements in which they are installed have run out, so that they can be reused.
  • these plastic components can again be used in the production process of new plastic components with surface coating be supplied by the old surface coating from the plastic component i. is removed without damaging the plastic component itself.
  • the pretreatment leads to the weakening of the generally intimate connection between the surface coating and the plastic component.
  • the subsequent cryogenic treatment in which at least the
  • the plastic component itself remains undamaged in particular because the connection between the surface coating and the plastic component is made in this way by the pretreatment was weakened that the surface coating detaches from the plastic component without, for example, parts breaking out of the surface of the plastic part with a glued-on surface coating.
  • cryogenic treatment often only has the function after a pretreatment in which the
  • the plastic component it has proven expedient to heat the plastic component for pretreatment until the surface coating detaches from the plastic component.
  • the temperature and the time over which the plastic component is kept at this temperature are set depending on the type and composition of the plastic component and the surface coating in such a way that the surface coating detaches from the plastic component, but the plastic component is not damaged according to the invention, in particular is not impaired in its shape and strength.
  • the heating parameters in particular the temperature and duration of the heating of the plastic component, can preferably also be selected so that the surface coating at least partially evaporates or burns. In this way, the surface coating is easily removed by itself from the plastic component, so that only the remainder of the plastic component has to be removed by the cryogenic treatment. Additionally or alternatively, the surface coating can be at least partially removed from the surface of the plastic component using mechanical treatment methods. Suitable mechanical treatment methods include brushing or scraping off the surface coating or irradiating the surface coating with a particle beam.
  • Dry ice pellets or water.
  • the use of such a particle beam means that the mechanical treatment of the surface coating is supported by the cooling effect of the frozen particles.
  • the cooling effect of the frozen particles leads to embrittlement of the surface coating, which enables easier mechanical detachment of the surface coating.
  • the surface coating can be brought into contact with a chemical substance in order to dissolve or detach the surface coating.
  • the surface coating can be dissolved by the chemical substance, so that it either detaches from the plastic component in liquid form or evaporates in gaseous form. It is also possible that the chemical substance only the solid connection between the
  • Solves surface coating and the plastic component so that the surface coating can be easily detached from the plastic component.
  • the cryogenic treatment is preferably carried out in such a way that the surface coating is brought into contact with a cryogenic substance, that is to say a substance at low temperatures.
  • a cryogenic substance that is to say a substance at low temperatures.
  • Liquid nitrogen can be particularly preferred as the cryogenic substance or carbon dioxide can be used.
  • the industrial production of cryogenic substances, in particular liquid nitrogen, and their process engineering handling are mature and easy to control, so that they enable the process according to the invention to be carried out in a cost-effective and technically manageable manner.
  • a mechanical aftertreatment can be connected to the cryogenic treatment, with which the loosened residues of the surface coating that are held on the plastic component are removed.
  • the method according to the invention makes it possible to recycle an undamaged, in particular a shape and strength, unimpaired plastic component by removing the damaged or defective surface coating from the undamaged plastic component without damaging the plastic component, and this plastic component for further use, for example a manufacturing process of new plastic components provided with surface coatings.
  • Such a bumper can have a faulty, damaged PU coating, which was incorrectly applied, for example, during the new production. It is also conceivable that the bumper received paint damage during its use or that the vehicle on which the bumper was mounted is taken out of operation and completely recycled, the bumper also being recycled. The PU coating on this bumper should be removed so that the undamaged PP bumper can be reused, namely that it can be repainted.
  • the bumper is sprayed with a chemical in the area of the paint to be removed in a first process step.
  • the exposure time of the chemical to the paint is chosen in accordance with the paint thickness, the chemical used and the amount of chemical used such that the adhesive bond between the PU paint and the PP bumper is weakened to the desired extent.
  • the PP bumper is cooled to -60 ° C. in a cooling chamber or a tunnel with liquid nitrogen. To do this, the liquid nitrogen is sprayed onto the PP coating.
  • the low temperature stops the chemical reaction with the PU coating. This is supported by the nitrogen atmosphere in the cooling chamber or the tunnel.
  • the PU coating and the PP bumper contract differently due to the cold.
  • the PU coating and the PP bumper move relative to one another, as a result of which the PU coating is detached from the PP bumper.
  • the detachment takes place without parts of the surface of the bumper flaking off, since the adhesive bond between the paint and the bumper is already weakened in such a way that the paint adheres to the bumper only to a small extent.
  • the bumper is then blasted with a particle beam in a blasting chamber or a continuous jet machine Blasted dry ice pellets, so that even after cooling, paint residue adhering easily to the bumper is removed from the bumper. After blasting, the dry ice pellets evaporate to carbon dioxide, so that no abrasive residue remains. Furthermore, the
  • Dry ice pellets are a consistency that is hard enough to remove paint residue, but soft enough to avoid damaging the surface of the bumper.
  • the consistency of the dry ice pellets can be adjusted via their temperature.
  • the treated bumper is subjected to a visual inspection, in which it is checked whether the entire coating has been removed from the bumper. Furthermore, the bumper is warmed up again to ambient temperature and re-painted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

L'invention concerne un procédé de recyclage d'un élément en matière de synthèse doté d'un revêtement de surface, ce revêtement de surface étant en liaison fixe avec l'élément de synthèse. L'objectif du procédé est de réaliser un recyclage peu onéreux dudit élément en matière de synthèse, qui conserve la valeur de ce dernier. Cet objectif est atteint par un traitement préalable de l'élément en matière de synthèse, selon lequel le revêtement de surface est au moins en partie détaché de l'élément de synthèse, et par un traitement cryogénique selon lequel le revêtement de surface est enlevé de l'élément de synthèse, sans que ce dernier soit endommagé.
PCT/EP2001/000095 2000-01-08 2001-01-05 Procede de recyclage d'un element en matiere de synthese dote d'un revetement de surface Ceased WO2001051266A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP01900391A EP1252004A1 (fr) 2000-01-08 2001-01-05 Procede de recyclage d'un element en matiere de synthese dote d'un revetement de surface
AU25135/01A AU2513501A (en) 2000-01-08 2001-01-05 Method for recycling a plastic component being provided with a surface coating

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10000566.7 2000-01-08
DE2000100566 DE10000566A1 (de) 2000-01-08 2000-01-08 Verfahren zur Wiederverwertung eines eine Oberflächenbeschichtung aufweisenden Kunststoffbauteils

Publications (1)

Publication Number Publication Date
WO2001051266A1 true WO2001051266A1 (fr) 2001-07-19

Family

ID=7627018

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/000095 Ceased WO2001051266A1 (fr) 2000-01-08 2001-01-05 Procede de recyclage d'un element en matiere de synthese dote d'un revetement de surface

Country Status (4)

Country Link
EP (1) EP1252004A1 (fr)
AU (1) AU2513501A (fr)
DE (1) DE10000566A1 (fr)
WO (1) WO2001051266A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2221119A1 (fr) * 2009-02-23 2010-08-25 Linde AG Dispositif et procédé destinés à la séparation d'une pièce
FR3107658A1 (fr) * 2020-03-02 2021-09-03 Suez Groupe Procédé de séparation de matériaux polymères d‘un assemblage d’éléments

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5044129A (en) * 1990-07-05 1991-09-03 The United States Of America As Represented By The Secretary Of The Air Force Cryogenic mechanical means of paint removal
DE4324830A1 (de) * 1993-07-23 1995-01-26 Wolfgang Dipl Ing Lutter Verfahren zur Wiederverwertung von beschichtetem Kunststoffmaterial und Verwendung desselben
WO1998037989A2 (fr) * 1997-02-12 1998-09-03 Popp James L Procede et appareil de nettoyage cryogenique des residus subsistant dans des recipients, et recipients pour produits industriels conçus pour le nettoyage cryogenique
US5842650A (en) * 1995-12-07 1998-12-01 Tzn Forschungs - Und Entwicklungszentrum Unterluss Gmbh Method and arrangement for breaking up elastic materials combined with metallic materials

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4403173A1 (de) * 1994-02-02 1995-08-03 Warner Music Mfg Europa Gmbh Verfahren zum Entschichten metallisierter, plattenförmiger Informationsträger
DE19507218C1 (de) * 1995-03-02 1996-08-22 Daimler Benz Ag Verfahren zum Teilen und Trennen von selbsthaftenden Kunststoffverbunden
JPH10128746A (ja) * 1996-11-01 1998-05-19 Mitsubishi Heavy Ind Ltd 樹脂成形物の塗膜除去装置
DE19703104A1 (de) * 1997-01-29 1998-07-30 Walter Schlutius Verfahren und Vorrichtungen zum Recykeln von Datenträgerplatten
DE19715945A1 (de) * 1997-04-16 1998-10-22 Peter Wiedemann Verfahren zum Entlacken von lackierten Substratteilen und Einrichtung zur Durchführung dieses Verfahrens

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5044129A (en) * 1990-07-05 1991-09-03 The United States Of America As Represented By The Secretary Of The Air Force Cryogenic mechanical means of paint removal
DE4324830A1 (de) * 1993-07-23 1995-01-26 Wolfgang Dipl Ing Lutter Verfahren zur Wiederverwertung von beschichtetem Kunststoffmaterial und Verwendung desselben
US5842650A (en) * 1995-12-07 1998-12-01 Tzn Forschungs - Und Entwicklungszentrum Unterluss Gmbh Method and arrangement for breaking up elastic materials combined with metallic materials
WO1998037989A2 (fr) * 1997-02-12 1998-09-03 Popp James L Procede et appareil de nettoyage cryogenique des residus subsistant dans des recipients, et recipients pour produits industriels conçus pour le nettoyage cryogenique

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2221119A1 (fr) * 2009-02-23 2010-08-25 Linde AG Dispositif et procédé destinés à la séparation d'une pièce
FR3107658A1 (fr) * 2020-03-02 2021-09-03 Suez Groupe Procédé de séparation de matériaux polymères d‘un assemblage d’éléments
WO2021176174A1 (fr) * 2020-03-02 2021-09-10 Suez Groupe Procédé de séparation de matériaux polymères d'un assembalge d'éléments

Also Published As

Publication number Publication date
AU2513501A (en) 2001-07-24
DE10000566A1 (de) 2001-07-26
EP1252004A1 (fr) 2002-10-30

Similar Documents

Publication Publication Date Title
DE60104189T2 (de) Verfahren zur beschichtung metallischer substratoberflächen und beschichtete oberfläche
EP1844181B1 (fr) Procede de pulverisation par gaz froid
DE10248093A1 (de) Verfahren und Einrichtung zum Reinigen von Generator- und Turbinenkomponenten
DE202019103960U1 (de) Bedienelement aus Kunststoff mit hinterleuchtbarer Symbolik, sowie Maschine zur Herstellung eines Bedienelements aus Kunststoff mit hinterleuchtbarer Symbolik
DE102009044011A1 (de) Verfahren zum Herstellen einer beschichteten Auszugsführung
DE69303728T2 (de) Verfahren zur Wiederverwendung von Kunststoffteilen mit Beschichtungen
DE102005004754A1 (de) Verfahren zur Nachreinigung von abisolierten Bereichen einer elektrischen Leitung
EP0842739B1 (fr) Procédé et dispositif pour enlever mécaniquement un revêtement de matière étrangère à partir d'un matériau de base
WO2001051266A1 (fr) Procede de recyclage d'un element en matiere de synthese dote d'un revetement de surface
DE102006009993B3 (de) Verfahren und Vorrichtung zum Vorbereiten eines Bauteils aus oberflächlich oxidierendem Metall, insbesondere aus Aluminium, zum Schweißen oder Kleben
DE102014103542A1 (de) Verfahren zur Reinigung von Werkstücken
DE10243035B4 (de) Verfahren und Vorrichtung zum Entfernen von durch Erhitzung und Abkühlung auf Metallwerkstücken sich bildenden Schichten
DE4324830C2 (de) Verfahren zur Wiederverwertung von beschichtetem Kunststoffmaterial und Verwendung desselben
EP0492268A1 (fr) Procédé pour enlever le vernis d'ouvrages
DE19724146C2 (de) Verfahren zur Gewinnung von Paraffin und/oder Mikrowachs aus Altkunststoffen
DE10259132B4 (de) Verfahren zur Strahlreinigung von Werkstoffoberflächen
DE102008023129B4 (de) Verfahren und Vorrichtung zum Vorbereiten eines Bauteils aus oberflächlich oxidierendem Metall, insbesondere aus Aluminium, zum Schweißen
EP1775354B1 (fr) Procédé de nettoyage des surfaces métalliques
EP1637235B1 (fr) Application des revêtements en poudre sur un plateau de meuble en bois
DE102008028272A1 (de) Verfahren und Vorrichtung zum induktiven Reinigen und Entschichten einer metallischen Werkstücksoberfläche
DE102006038188B4 (de) Verfahren zum Beschichten eines Karosserieteiles eines Fahrzeuges mit einer Schutzschicht
DE2439620A1 (de) Metallteil mit einer griffigen oberflaeche und verfahren zur herstellung derselben
DE19531863C2 (de) Verfahren zum Beseitigen von Lackfehlern, insbesondere an Karosserien von Kraftfahrzeugen
DE102019009047B4 (de) Verfahren zur Korrektur von Oberflächenschäden
DE202005019892U1 (de) Fahrzeug mit Korrosionsschutzschicht auf mindestens einem Karosserieteil und Vorrichtung zum Vorbereiten des mindestens einen Karosserieteiles auf das Aufbringen der Korrosionsschutzschicht

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CR CU CZ DE DK DM DZ EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
WWE Wipo information: entry into national phase

Ref document number: 2001900391

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 2001900391

Country of ref document: EP

REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

WWW Wipo information: withdrawn in national office

Ref document number: 2001900391

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: JP