EP1031542B1 - Installation pour la séparation de verre d'une unité de verre isolante scellée - Google Patents

Installation pour la séparation de verre d'une unité de verre isolante scellée Download PDF

Info

Publication number
EP1031542B1
EP1031542B1 EP00103852A EP00103852A EP1031542B1 EP 1031542 B1 EP1031542 B1 EP 1031542B1 EP 00103852 A EP00103852 A EP 00103852A EP 00103852 A EP00103852 A EP 00103852A EP 1031542 B1 EP1031542 B1 EP 1031542B1
Authority
EP
European Patent Office
Prior art keywords
glass
glass unit
plant
insulating glass
sealed insulating
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.)
Expired - Lifetime
Application number
EP00103852A
Other languages
German (de)
English (en)
Other versions
EP1031542A3 (fr
EP1031542A2 (fr
Inventor
Helge Haugen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1031542A2 publication Critical patent/EP1031542A2/fr
Publication of EP1031542A3 publication Critical patent/EP1031542A3/fr
Application granted granted Critical
Publication of EP1031542B1 publication Critical patent/EP1031542B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/004—Severing by means other than cutting; Apparatus therefor by means of a fluid jet

Definitions

  • the present invention relates to a plant for environmental handling of sealed insulating glass units.
  • Sealed insulating glass units comprises two or more layers of glass which are held at a distance from each other by a spacer, usually an aluminium list, placed alongside the edges of the glass unit.
  • the spacer is glued to the glass and the joint between the glasses is sealed with glue or joint filler.
  • PCB (polychlorinated biphenyl) is a synthetic chlorinated organic compound having inter alia the following characteristics:
  • PCB was used in a number of appliances in industry like power condensators, building products, electronics, refrigerating systems (e.g. refrigerators), lighting fixtures, etc.
  • PCB is degraded very slowly and has harmful effects in the nature.
  • PCB is fat-soluble and is concentrated in the food chain.
  • PCB leads to health changes in humans and in animals. It weakens the immune system, increases the number of abortions and stillbirths, and lowers the stock of several animal species etc.
  • PCB was abandoned by a regulation from the Norwegian Ministry of the Environment of November 16, 1979 and the ban came into force in 1980 and from this time on PCB-containing waste was to be delivered to special category waste plants.
  • sealed insulating glass unit has to be collected and stored until good methods and installations for handling of PCB containing sealed insulating glass units plus production lines for carrying out the process, has been developed and established. It is urgent to find good solutions for environmental correct handling of sealed insulating glass units.
  • the PCB containing material is concentrated in a narrow stripe along the edge of the sealed insulating glass unit together with the aluminium list.
  • Used glass is a valuable resource. Even if the use of the environmental hazardous PCB containing glue for the production of sealed insulating glass units was abandoned from about 1980, the glue or joint filler so far has been the main obstacle against recycling flat glass at a cost effective price. It is therefore desirable to develop a method for cost-effective recycling of used flat glass by removing the unwanted material in the edge zone of the flat glass effectively and at a fair price.
  • GB 2 164 879 A describes a method for cutting glass so that the cut glass edges are of acceptable quality.
  • the known method uses an abrasive fluid jet.
  • the object of the present invention is to obtain a plant for fractionating a sealed insulating glass unit into a fraction of environmental hazardous waste, like glue and spacer, and a fraction of clean glass, so that the different fractions may be deposited, destructed or recycled and where the plant does not lead to problems for the working environment or outdoor environment, waste disposal or the like.
  • a plant for separating bulk of glass from an insulating glass unit comprising two or more layers of glass which are held at a distance from each other by a spacer spaced along the edges of the glass unit glued and jointed with an undesirable material, which plant comprises:
  • high pressure jet water flow also includes the use of sand added to the water to increase the cutting power of the high pressure water jet.
  • the cutting device is set to cut the glass principally perpendicular to the glass surface at a given distance from the edge of the sealed insulating glass unit.
  • the sealed insulating glass unit is first liberated from frame and case. If the health and environmental hazardous material pollute this wooden material, it has to be deposited in an approved special land fill or be burned in an approved plant for burning of material of this kind.
  • the liberation from frame and case is often done at the place from where the window glass is removed from and is therefor irrelevant to the present invention.
  • the sealed insulating glass units mat have been liberated from frame and case are then brought to the plant of the invention.
  • the sealed insulating glass units are preferably transported substantially vertically into the plant. Inside the plant, the glass unit is tilted form the vertical position to a horizontal position and transferred to a low friction working table where the glass unit is freely movable.
  • the low friction at the working table is achieved by means of an air cushion or rollers.
  • the sealed insulating glass unit is moved at the working table to get in the correct position relatively to nozzle of the high pressure jet water cutting device of known type, said cutting device being able to travel in a linear track above the glass.
  • a plant of this kind may include more than one high-pressure water jet nozzle cutting along the other edges of the same sealed insulating glass unit to improve the capacity of the plant.
  • the high-pressure jet water cutting device is adjusted to cut transverse the glass surface right on the inside of the spacer or aluminium list. It is important that the water jet is not cutting into the glue or joint filler, as this may cause that some PCB or other environmental or health damaging compounds included in the glue or joint filler is released into the air or water.
  • the cut away stripe comprising glass, spacer and the unwanted material is removed.
  • the high pressure jet water cutting device is giving an even and straight cut so that the bulk glass that is liberated from the unwanted material may be used for the production of new window panes.
  • the cut away material is removed for a possible recovery of material, depositing or destruction according to the requirements of the law or regulations.
  • broken sealed insulating glass units may also be handled according to this method. However, if the glass unit is heavily deformed, even more glass must be removed together with the spacer, glue and joint filler. Handling of broken glass units normally requires more manual work than the handling of unbroken glass units.
  • the water used for cutting may include glue and aluminium besides in addition to glass. To avoid environmental harmful effluents, it is necessary to recirculate the water used for cutting.
  • the plant therefor has to include a purge system for the water.
  • the glue or joint filler includes health or environmental hazardous substances that might escape into the air, the plant has to be designed with a suction point and a filter preventing these substances to escape.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Processing Of Solid Wastes (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)

Claims (1)

  1. Installation pour la séparation de verre d'une unité de verre isolante comprenant deux ou plus de deux couches de verre qui sont maintenues écartées à une certaine distance entre elles par un espaceur le long des bords de l'unité de verre collés et réunis par un matériau indésirable, laquelle installation comprend :
    des moyens pour le basculement et le transfert de l'unité de verre isolante sur une table à faible friction,
    une table à faible friction sur laquelle l'unité de verre est librement mobile au moyen de coussin d'air ou de rouleaux,
    et un dispositif de découpe par jet d'eau haute pression sur lequel l'unité de verre isolante peut être amenée dans la position de découpe,
    ledit dispositif de découpe pouvant se déplacer dans une voie linéaire au-dessus du verre.
EP00103852A 1999-02-25 2000-02-24 Installation pour la séparation de verre d'une unité de verre isolante scellée Expired - Lifetime EP1031542B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO900499 1999-02-25
NO19990904 1999-02-25
NO19990904A NO314033B1 (no) 1999-02-25 1999-02-25 Fremgangsmåte og anordning for miljösanering av isolerglassruter samt anvendelse av vannskj¶rer

Publications (3)

Publication Number Publication Date
EP1031542A2 EP1031542A2 (fr) 2000-08-30
EP1031542A3 EP1031542A3 (fr) 2001-03-28
EP1031542B1 true EP1031542B1 (fr) 2005-12-07

Family

ID=19903006

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00103852A Expired - Lifetime EP1031542B1 (fr) 1999-02-25 2000-02-24 Installation pour la séparation de verre d'une unité de verre isolante scellée

Country Status (4)

Country Link
EP (1) EP1031542B1 (fr)
AT (1) ATE312060T1 (fr)
DE (1) DE60028432T2 (fr)
NO (1) NO314033B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109485246A (zh) * 2018-10-23 2019-03-19 意力(广州)电子科技有限公司 一种小型玻璃的数控加工工艺
DE102022209846A1 (de) 2022-09-19 2024-03-21 Hegla Gmbh & Co. Kg Trennverfahren und Trennvorrichtung zum Trennen von Glasscheiben einer Isolierverglasung von dem Abstandhalterrahmen, Verfahren und Vorrichtung zum Zerlegen einer Isolierverglasung und Aufbereitungsverfahren sowie Aufbereitungsvorrichtung zur Aufbereitung von Isolierverglasungen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1252711A (fr) * 1984-09-27 1989-04-18 Richard A. Herrington Decoupage du verre au jet abrasif sous tres haute pression
IT1222060B (it) * 1987-07-17 1990-08-31 Vetreria Lorenzo Snc Di Giorgi Apparecchiatura automatica particolarmente studiata per il taglio di lastre di vetro singole e doppie

Also Published As

Publication number Publication date
NO314033B1 (no) 2003-01-20
DE60028432D1 (de) 2006-07-20
NO990904D0 (no) 1999-02-25
DE60028432T2 (de) 2006-09-28
EP1031542A3 (fr) 2001-03-28
NO990904L (no) 2000-08-26
ATE312060T1 (de) 2005-12-15
EP1031542A2 (fr) 2000-08-30

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