NL2011619C2 - Table for processing nonmetallic transparent materials by laser radiation. - Google Patents

Table for processing nonmetallic transparent materials by laser radiation. Download PDF

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Publication number
NL2011619C2
NL2011619C2 NL2011619A NL2011619A NL2011619C2 NL 2011619 C2 NL2011619 C2 NL 2011619C2 NL 2011619 A NL2011619 A NL 2011619A NL 2011619 A NL2011619 A NL 2011619A NL 2011619 C2 NL2011619 C2 NL 2011619C2
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NL
Netherlands
Prior art keywords
table according
laser radiation
flexible foam
foam material
elastic flexible
Prior art date
Application number
NL2011619A
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Dutch (nl)
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NL2011619A (en
Inventor
Valentin Sergeevich Chadin
Alekper Kamalovich Aliev
Original Assignee
Pelcom Dubna Machine Building Factory 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.)
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Publication of NL2011619A publication Critical patent/NL2011619A/en
Application granted granted Critical
Publication of NL2011619C2 publication Critical patent/NL2011619C2/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
    • C03C23/0005—Other surface treatment of glass not in the form of fibres or filaments by irradiation
    • C03C23/0025—Other surface treatment of glass not in the form of fibres or filaments by irradiation by a laser beam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02—Carriages for supporting the welding or cutting element
    • B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
    • B23K37/0235—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track the guide member forming part of a portal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0408—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work for planar work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B23K37/0435—Clamps
    • B23K37/0443—Jigs
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
    • C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
    • C03B33/03—Glass cutting tables; Apparatus for transporting or handling sheet glass during the cutting or breaking operations

Landscapes

  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Toxicology (AREA)
  • Laser Beam Processing (AREA)
  • Surface Treatment Of Glass (AREA)
  • Laminated Bodies (AREA)
  • Traffic Control Systems (AREA)

Abstract

A table (1) for processing non-metallic, transparenterMaterialien by laser radiation has a Arbeitsflächeauf on which at least one covering layer (5) is provided zumPositionieren of the processed material. Diezumindest a covering (5) is made of a material Trained, the 300 nm to 3000 nm is transparent to laser radiation in Wellenlängenbereichvon, and provides einelastisch flexible foam material is a closed cell structure.

Description

Title: Table for processing nonmetallic transparent materials by laser radiation
Technical Field
The present application relates to laser processing of nonmetallic transparent materials used in structural glass products designed for transport, aviation, construction, and also used for producing armored glass, marine glass, etc. More particularly, the application relates to a table for processing nonmetallic transparent materials by laser radiation, in particular for removing metallic, for example, low-emission, and other coatings from glass.
Background Art
Structures of tables for processing brittle nonmetallic transparent materials by laser radiation are known in the art.
The most relevant prior art is an apparatus disclosed in EP1864950 Al, which removes a coating along peripheral edges of a window pane. The apparatus comprises a bench having a material that forms a covering layer for positioning a sheet of glass to be treated so that the removed coating on the glass was faced up towards a laser head, which removes the coating from the surface of the sheet. In this technical solution, the energy of the laser beam is adjusted in such a way as not to cause a secondary effect in the glass or in the covering layer of the bench, on which the sheet is positioned. Thus, the prior art provides for adjusting the energy of the laser beam, but the covering layer does not scatter, completely or partially, the laser radiation, i.e. does not function as a non-stick scattering covering layer. Consequently, there is no possibility of increasing the energy of the laser beam without a risk of damaging the covering layer.
Summary of the Application
The object of the present application is to provide a covering layer on a table surface to enable processing of nonmetallic transparent materials (glass with a low emission coating) by focused pulsed laser radiation (with a wavelength of from 300 to 3000 nm) and at the same time to exclude damage to the layer, table structure and surface of the glass article.
The object is accomplished in a table for processing nonmetallic transparent materials by laser radiation, comprising a frame with a work surface formed thereon, at least one covering layer attached to the work surface for positioning the material to be processed, wherein the at least one covering layer is made of a material which is transparent to laser radiation in the wavelength range of from 300 to 3000 nm depending on the laser type employed for the processing and is an elastically flexible foam material with a closed-cell structure and strong intermolecular bonds.
The technical effect provided by this combination of features is that in course of processing a material, e.g. removing a low-emission coating from a glass article, by a focused laser beam passing through the glass volume, the beam is fully or partially scattered in the covering layer to a low power density W/cm2. Thus, the covering layer acts as a non-stick scattering cover.
The term "closed-cell structure" as used herein refers to a structure having cells which are completely enclosed by plastic. Cellular plastics can exist in two basic structures: closed-cell or open-cell. Closed-cell materials have individual voids or cells that are completely enclosed by plastics, and gas transport through the cell walls takes place by diffusion (see Handbook of Plastics, Elastomers, and Composites, by Charles A. Harper, The McGraw-Hill Companies, 2004, p.87).
The structure of material is essential for the present technical solution because in physical sense the air-filled closed cells are minus lenses with the refractive index K=l, on the boundary of which with the starting material having a refractive index K in the range of about 1.4-1.5, the pulsed laser radiation is refracted and scattered totally or partially, depending on the thickness and foaming multiplicity of the material.
Furthermore, the cross-linked closed-cell structure that forms a solid space framework with strong intermolecular bonds providing the strength of cell walls makes the material elastically flexible. The term "elastically flexible material" as used herein refers to a material which takes its former state after removal of loads. Such a material typically has strong intermolecular bonds, i.e. external electrons of atoms in the material form covalent bonds. It is believed that the main difference between strong bonds and weak bonds is that covalent interactions occur when there is a substantial overlap between electron clouds of subsystems.
The term "nonmetallic materials" also generally refers to materials having covalent bonds, which fact excludes the presence of electron gas in the product and thus provides low heat and electrically conductive properties. Another distinction from metallic materials is a significantly lower density of nonmetallic materials. Thus, the density of plastics is twice lower than that of aluminum. Nonmetallic materials include, inter alia: organic and inorganic polymers, various types of plastics, composite materials on nonmetallic base, rubbers, adhesives and sealants, graphite, inorganic glass, ceramic.
The term "transparent to laser radiation" is well known to those skilled in the art and means that the material exhibits transparency in the wavelength range corresponding to the type of laser employed for processing. "Foam material" refers to a material having a foam or cellular structure obtained by any method of foaming, for example, by adding a foaming agent to polymer.
Elastically flexible foam material is preferably physically or chemically crosslinked. Processes of chemical and physical cross-linking are also well known to those skilled in the art.
In particular, the term "crosslinked" refers to polymers having all of the chains tied together with covalent bonds in a three dimensional network (cross-linked) (see the Handbook of Plastics, Elastomers, and Composites, by-Charles A. Harper, The McGraw-Hill Companies, 2004, p.3).
Furthermore, the elastically flexible foam material preferably has a foaming multiplicity of from 5 to 35. "Foaming multiplicity" is the ratio of the initial foam volume to the volume of the blowing agent spent to obtain it.
The covering layer preferably has a residual strain of less than 4%, is not toxic in the operating temperature range and does not emit substances harmful to human.
The elastically flexible foam material of the covering layer preferably has a density of from 20 to 200 kg/m3 and a residual strain of less than 4%.
An example of the elastically flexible foam material is Penolon.
The covering layer preferably has a thickness of from 1 to 50 mm.
In one embodiment the covering layer may be backed up with aluminum foil.
Preferably, the material of the at least one covering layer is transparent to pulsed laser radiation in the wavelength range of 1030-1120 nm, and most preferably 1070 nm.
The table is preferably configured as a frame, on which a work surface is formed, and preferably has a system to create an air cushion effect when the material is positioned, the system including air outlets in the table.
Brief Description of the Drawings
Other objects and advantages of the present technical solution will be apparent from the following detailed description of preferred embodiments with reference to the accompanying drawings, in which:
Figure 1 shows schematically a laser processing system, in which a table according to the present application can be used, and
Figure 2 is an enlarged view of a fragment of a support surface of the table with a covering layer according to the present application.
As shown in Figure 1, an apparatus for processing nonmetallic transparent materials by laser radiation comprises a table 1 for processing the materials by laser radiation, which has a frame 2 (preferably a strong steel structure) with a work surface formed thereon in the shape of a substantially rectangular plate. The work surface is the support for laying a material to be processed, e.g. a glass sheet from which a low emission coating is to be removed.
As also shown in Figure 1, the apparatus comprises a cutting bridge mounted on the frame 2 parallel to the short side of the frame, which is preferably a steel construction. The cutting bridge can be moved along the long side of the frame 2 and carries a laser cutting head 3, which can be moved along the bridge by means of a drive (not shown). The laser cutting head 3 may have various embodiments and preferably comprises a focusing lens and a scanning unit; in this case it can be raised and lowered perpendicularly to the table 1 surface.
The frame 2 may be provided with means (not shown) for moving the material (glass sheet) to be processed before and after treatment (cutting) and for positioning the material on the table 1.
Furthermore, as shown in Figure 2, the frame 2 has an upper plate 4 on which at least one covering layer 5 for positioning the material is provided. In one embodiment aluminum foil 6 is disposed under the covering layer 5.
The plate 4 can be also adapted to provide the air cushion effect.
In this case, air outlets 7 are formed on a certain pattern in the plate 4 for compressed air supplied to these outlets, so as to prevent friction between the glass sheet and the plate 4 (particularly on the sites where the plate is not covered by the covering layer 5) when the sheet is positioned.
According to the present application, the at least one covering layer 5 is made of a material which is transparent to laser radiation in the wavelength range of 300-3000 nm depending on the type of laser employed for processing, and which is an elastically flexible foam material with a closed-cell structure and strong intermolecular bonds.
An example of this material is Penolon. However, the class of usable foamed plastics is extremely broad, and any materials having the same base (and produced under other names and trademarks) based on foamed polyethylene or copolymers thereof can be used.
For example, Penoizol (heat insulating carbamide foam) is also a promising material. This material exhibits a low thermal conductivity (less than 0.04 W/mK), low density (10-15 kg/m3), is easily processed, fireproof, durable and resistant to microorganisms and most organic solvents.
Polyethylene foam can also be mentioned among thermal insulation foam polymers. Polyethylene foam is a resilient, flexible, porous and waterproof, chemically resistant and environmentally friendly material.
This group also includes: Teploy, Vilaterm, Penofleks, Stenofon, Azurizol. Any one of the materials is a thermal insulator.
An example of a laser employed for processing is an ytterbium fiber laser with a wavelength in the range of 1030-1120 nm, pulse duration of 70-90 ns, pulse repetition rate of 30-100 kHz, average power of 20-50 watts. The wavelengths of about 1070 nm are preferred since they provide better absorption by the low emission coating and low absorption by glass.
Described below is an example of using the present table for processing fragile nonmetallic transparent materials by laser radiation.
The example of processing a material by laser radiation involves removal of a low-emission coating from glass articles using a laser processing system illustrated in Figure 1.
Preferably the process includes the following sequence of steps: first, a glass article to be processed is laid with the low emission layer up on a covering layer 5 according to the present technical solution; the sheet is moved on the air cushion (in air layer) and positioned by abutments; then a processing program is enabled to operate a laser head 3; and focused laser beam removes the low emission coating (which is not transparent to laser radiation) from predetermined portions on the glass surface.
If necessary, prior to the processing the sheet is scanned by a television system (depending on the shape complexity).
Speed of the laser beam is preferably 2-4000 mm/sec at a power density not less than W = 30x103 W/mm2, and the heating spot diameter is at least 20 pm. The covering layer 5 can withstand even more "stringent" heating conditions, but they are not applied in the described process, since in this case the processed glass article will be severely heated and thermal stresses may arise in it, which is unacceptable.
In the above example, the resulting product is glass with a low emission hard (k) or soft (i) coating, on which a metallized layer or low-emission coating is evaporated (ablated) being exposed to focused pulsed laser radiation in order to make process cuts and completely remove the coating material for achieving required heating conditions for the glass article. Then, after soldering electrical contacts at the beginning and end of a conductive path, a ready-to-use electrically heated glass is produced, across which a voltage is applied with a power rated for a predetermined temperature and the area of the glass.
In addition to electric heating, the hard and soft coating is used for its main energy-saving purpose, i.e. for reflection of infrared rays indoors and ultraviolet rays outdoors, and thereby reducing heat loss in cold weather and decreasing penetration of excess heat in warmer weather.
Removal of a low-emission coating is performed on the sites calculated by a dedicated program to enable the manufacture of glass products for various purposes with preset heating parameters over the surface of glass article: for structural optics, automobile, aviation, armor glass, or electrically heated architectural structures.
It will be obvious to those skilled in the art that the application is not restricted to the embodiments presented above, and that it can be modified within the scope of the claims presented below. Where necessary, the distinguishing features that have been described in conjunction with other distinguishing features can also be used separately.

Claims (11)

1. Een tafel voor het verwerken niet-metalen transparante materialen door middel van laserstraling, omvattende een werkoppervlak, waarop tenminste een deklaag is voorzien voor het positioneren van het te verwerken materiaal, waarbij de ten minste ene deklaag is vervaardigd van een materiaal dat transparant is voor laserstraling in het golflengtegebied van 300 tot 3000 nm en dat een elastisch buigzaam schuimmateriaal met gesloten celstructuur is.A table for processing non-metallic transparent materials by means of laser radiation, comprising a working surface, on which at least one cover layer is provided for positioning the material to be processed, the at least one cover layer being made of a material that is transparent for laser radiation in the wavelength range of 300 to 3000 nm and which is an elastic flexible foam material with a closed cell structure. 2. Een tafel volgens conclusie 1, waarbij het materiaal van de ten minste ene deklaag transparant is voor gepulste laserstraling met golflengtes in het gebied van 1030-1120 nm, bij voorkeur 1070 nm.A table according to claim 1, wherein the material of the at least one cover layer is transparent to pulsed laser radiation with wavelengths in the range of 1030-1120 nm, preferably 1070 nm. 3. Een tafel volgens conclusie 1, welke is geconfigureerd als een frame waarop genoemde werkoppervlak is gevormd.A table according to claim 1, which is configured as a frame on which said work surface is formed. 4. Een tafel volgens conclusie 1, waarbij het elastisch buigzaam schuimmateriaal fysisch of chemisch verknoopt is.A table according to claim 1, wherein the elastic flexible foam material is physically or chemically cross-linked. 5. Een tafel volgens conclusie 1, waarbij genoemd elastisch buigzaam schuimmateriaal een schuimingsvermeerderingsfactor heeft van 5 tot 35.A table according to claim 1, wherein said elastic flexible foam material has a foaming increase factor of 5 to 35. 6. Een tafel volgens conclusie 1, waarbij het elastisch buigzaam schuimmateriaal een dichtheid heeft van 20 tot 200 kg/m3.A table according to claim 1, wherein the elastic flexible foam material has a density of 20 to 200 kg / m3. 7. Een tafel volgens conclusie 1, waarbij het elastisch buigzaam schuimmateriaal een restspanning heeft van minder dan 4 %.A table according to claim 1, wherein the elastic flexible foam material has a residual stress of less than 4%. 8. Een tafel volgens conclusie 1, waarbij het elastisch buigzaam schuimmateriaal Penolon is.A table according to claim 1, wherein the elastic flexible foam material is Penolon. 9. Een tafel volgens conclusie 1, waarbij de deklaag een dikte heeft van 1 tot 50 mm.A table according to claim 1, wherein the cover layer has a thickness of 1 to 50 mm. 10. Een tafel volgens conclusie 1, waarbij de deklaag wordt ondersteund met aluminiumfolie.A table according to claim 1, wherein the cover layer is supported with aluminum foil. 11. Een tafel volgens conclusie 1, omvattende een systeem voor het verschaffen van een luchtkusseneffect wanneer het te verwerken materiaal wordt gepositioneerd, waarbij het systeem luchtuitlaten in de tafel omvat.A table according to claim 1, comprising a system for providing an air cushion effect when the material to be processed is positioned, the system comprising air outlets in the table.
NL2011619A 2013-01-17 2013-10-15 Table for processing nonmetallic transparent materials by laser radiation. NL2011619C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2013102280 2013-01-17
RU2013102280 2013-01-17

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NL2011619A NL2011619A (en) 2014-07-21
NL2011619C2 true NL2011619C2 (en) 2015-07-08

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JP (1) JP3188320U (en)
KR (1) KR20140004473U (en)
AT (1) AT13722U3 (en)
CZ (1) CZ26529U1 (en)
DE (1) DE202013104834U1 (en)
EE (1) EE01318U1 (en)
FI (1) FI10430U1 (en)
FR (1) FR3000911B3 (en)
IT (1) ITTO20130132U1 (en)
NL (1) NL2011619C2 (en)
TW (1) TWM479196U (en)

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Publication number Priority date Publication date Assignee Title
DE102018107697B4 (en) 2018-03-29 2020-12-10 Hegla Boraident Gmbh & Co. Kg Stripping devices and methods for stripping glass panels, preferably laminated glass panels
DE102018010277B4 (en) 2018-03-29 2022-01-13 Hegla Boraident Gmbh & Co. Kg Decoating process and use of a decoating device for decoating glass panels, preferably laminated glass panels
JP7072846B2 (en) * 2018-04-04 2022-05-23 不二越機械工業株式会社 Hybrid laser processing equipment
DE102019213603A1 (en) 2019-09-06 2021-03-11 Hegla Boraident Gmbh & Co. Kg Stripping device and process for stripping glass panes, as well as process for manufacturing glass panes for stepped glass, stepped glass and stepped glass windows
DE102021105034A1 (en) 2021-03-02 2022-09-08 Cericom GmbH Device and method for processing a workpiece made of glass

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Publication number Priority date Publication date Assignee Title
DE3637204A1 (en) * 1986-10-31 1988-05-19 Behrens Ag C CUTTING PRESS
US5744776A (en) * 1989-07-14 1998-04-28 Tip Engineering Group, Inc. Apparatus and for laser preweakening an automotive trim cover for an air bag deployment opening
US5918523A (en) * 1998-04-03 1999-07-06 Cutter; Jack System for guiding cutting tool
DE102006042280A1 (en) * 2005-09-08 2007-06-06 IMRA America, Inc., Ann Arbor Transparent material scribing comprises using single scan of focused beam of ultrashort laser pulses to simultaneously create surface groove in material and modified region(s) within bulk of material
EP2029315B1 (en) * 2006-05-24 2012-11-28 TRUMPF Werkzeugmaschinen GmbH + Co. KG Device for supporting sheet materials for at least one separating process
ITTO20060417A1 (en) 2006-06-09 2007-12-10 Biesse Spa "PROCEDURE AND EQUIPMENT FOR THE PREPARATION OF GLASS SHEETS FOR MULTIPLE GLAZED WINDOWS AT LEAST WITH A COVERED GLASS SHEET"

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DE202013104834U1 (en) 2013-11-13
FI10430U1 (en) 2014-03-28
AT13722U2 (en) 2014-07-15
NL2011619A (en) 2014-07-21
EE01318U1 (en) 2015-10-15
CZ26529U1 (en) 2014-02-27
FR3000911A3 (en) 2014-07-18
KR20140004473U (en) 2014-07-28
FR3000911B3 (en) 2015-07-17
JP3188320U (en) 2014-01-16
TWM479196U (en) 2014-06-01
ITTO20130132U1 (en) 2013-11-27
AT13722U3 (en) 2015-02-15

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Effective date: 20150618

PD Change of ownership

Owner name: PELCOM DUBNA MACHINE-BUILDING FACTORY LTD; RU

Free format text: DETAILS ASSIGNMENT: CHANGE OF OWNER(S), ASSIGNMENT; FORMER OWNER NAME: "LASCOM" LIMITED LIABILITY COMPANY

Effective date: 20190902

MM Lapsed because of non-payment of the annual fee

Effective date: 20221101