WO2020204861A1 - A filtration device for laser processing machines - Google Patents

A filtration device for laser processing machines Download PDF

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Publication number
WO2020204861A1
WO2020204861A1 PCT/TR2020/050243 TR2020050243W WO2020204861A1 WO 2020204861 A1 WO2020204861 A1 WO 2020204861A1 TR 2020050243 W TR2020050243 W TR 2020050243W WO 2020204861 A1 WO2020204861 A1 WO 2020204861A1
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WO
WIPO (PCT)
Prior art keywords
laser processing
processing machines
filtration device
filter structure
electrostatic filter
Prior art date
Application number
PCT/TR2020/050243
Other languages
French (fr)
Inventor
Merih Ozcelik
Original Assignee
Jeanologia Teknoloji A.S.
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 Jeanologia Teknoloji A.S. filed Critical Jeanologia Teknoloji A.S.
Publication of WO2020204861A1 publication Critical patent/WO2020204861A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02—Plant or installations having external electricity supply
    • B03C3/04—Plant or installations having external electricity supply dry type
    • B03C3/08—Plant or installations having external electricity supply dry type characterised by presence of stationary flat electrodes arranged with their flat surfaces parallel to the gas stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02—Plant or installations having external electricity supply
    • B03C3/04—Plant or installations having external electricity supply dry type
    • B03C3/12—Plant or installations having external electricity supply dry type characterised by separation of ionising and collecting stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/36—Controlling flow of gases or vapour
    • B03C3/368—Controlling flow of gases or vapour by other than static mechanical means, e.g. internal ventilator or recycler
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/40—Electrode constructions
    • B03C3/41—Ionising-electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/40—Electrode constructions
    • B03C3/45—Collecting-electrodes
    • B03C3/47—Collecting-electrodes flat, e.g. plates, discs, gratings
    • 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
    • B23K26/16—Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/10—Ionising electrode has multiple serrated ends or parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/32—Checking the quality of the result or the well-functioning of the device
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/30—Organic material
    • B23K2103/38—Fabrics, fibrous materials
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B11/00—Treatment of selected parts of textile materials, e.g. partial dyeing
    • D06B11/0093—Treatments carried out during or after a regular application of treating materials, in order to get differentiated effects on the textile material
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B11/00—Treatment of selected parts of textile materials, e.g. partial dyeing
    • D06B11/0093—Treatments carried out during or after a regular application of treating materials, in order to get differentiated effects on the textile material
    • D06B11/0096—Treatments carried out during or after a regular application of treating materials, in order to get differentiated effects on the textile material to get a faded look

Definitions

  • the invention relates to a filtration device for laser processing machinery, which enables the emission of harmful smoke particles emitted to the environment during the use of the laser processing machines used to form patterns on denim fabrics, which can be filtered into the environment as clean air.
  • the invention relates to an electrostatic filtering apparatus for filtering out smoke particles emitted into the environment during the use of laser processing machines used to form patterns on denim fabrics.
  • laser processing machines are used for burning, cutting, marking or creating visual patterns on fabrics.
  • the smoke particles that are harmful to the environment and health are spread to the environment.
  • the smoke particles which are harmful to the environment and health, are released into the atmosphere and they pollute the environment and threaten the health of the workers. These particles may cause occupational diseases such as silicosis in a certain period depending on the amount of the inhalation.
  • an exhaust system has been installed and the buildings are being discharged directly into the atmosphere, this means that the atmosphere and thus the environment are polluted.
  • filtering systems are introduced in the laser processing machines used in the enterprises. Most of these systems are mechanical filters, hepa filters and activated carbon filters. These filtering systems are very complicated, installation and especially high operating costs. Filter materials should be changed periodically in short intervals. In such a case, businesses do not want to use these filtering systems because they do not want to use this cost.
  • the present invention relates to“The present invention relates to an environmentally safe, water-free method for color fading and for producing patterns on textile materials by exposure to laser radiation of sufficient intensity to cause photo-decomposition of the coloring agent while leaving the underlying textile material undamaged.
  • the pre-dyed material such as denim
  • the pre-dyed material is scanned by a laser beam generated by a selected laser having selective output characteristics to produce uniform fading and patterns of photo-bleached marks on the textile material.
  • the fading may take the form of stone washing, echo ball washing, or acid washing techniques commonly used on denim materials.
  • the patterns may take the form of any desired image, line, or picture in the substrate material.
  • the textile materials may be moved under the laser by a conveyer belt or similar means.”
  • the invention relates to a method for the localized marking of clothing, which consists of: applying a chemical product on the clothing to be marked, which chemical product, when activated with heat, produces a color change in said area of clothing; and activating the product in the area of clothing to be marked, by means of the spot application of heat by means of a laser.
  • This method allows high definition of the marked area without affecting the strength properties of the clothing or fabric in question.”
  • a laser processing machine is disclosed which allows marking for localized area in textile products.
  • the present invention relates to“The invention relates to a machine for laser marking textile products, which comprises two conveyor belts having bidirectional movement (forwards and reverse) for transporting products to a marking zone, and a control device that independently controls the movement of each belt.
  • the machine comprises a laser head having a work area covering a zone of both belts, and the system marks the textile product while the textile product is static”
  • a laser processing machine is used for marking textile products and for moving forward and backward to move to a marking zone.
  • the object of the invention is to provide a new filtering device which eliminates the smoke particles present for laser processing machines.
  • Another object of the invention is to provide a structure that protects the human health by preventing the environment and users from being affected by smoke particles.
  • Another object of the invention is to provide an environmentally friendly structure due to the minimum amount of waste released into the environment.
  • Another object of the invention is to provide a structure with a much higher and lower cost of filtration efficiency.
  • Another object of the invention is to provide a structure which requires maintenance only at certain intervals, since the assembly is made of metal steel plate electrodes, which does not require any change during its lifetime (15-20 years).
  • Another object of the invention is to provide a construction with a zero cost of replacement and low maintenance costs.
  • Fig. 1 is a side view of the filtration device for laser processing machines according to the invention.
  • Fig. 2 is a side view of the filtration device for a plurality of laser processing machines according to the invention.
  • Figure - 3 is a perspective view of the electrostatic filter structure in the filtration device for the multi laser processing machines according to the invention.
  • the invention is a filtration device (A) for laser processing machines (1 ) to prevent harmful smoke particles (3) from damaging the environment and users during the use of laser processing machines (1 ) used to form patterns on denim fabrics; characterized in that, it comprises an electrostatic filter structure (2) which is connected to said laser processing machine (1 ) by filtering said harmful smoke particles (3) and spreading to the environment as clean air (4).
  • Fig. 1 shows a side view of the filtration device (A) for laser processing machines (1 ) according to the invention.
  • Fig. 2 shows a side view of the filtration device (A) for a plurality of laser processing machines (1 ) according to the invention.
  • Figure - 3 shows a perspective view of the electrostatic filter structure (2) in the filtration device (A) for the multi laser processing machines (1 ) according to the invention.
  • the filtration device (A) consists of main parts that; an electrostatic filter structure (2) which allows the emission of harmful smoke particles (3) spreading to the environment during the use of the laser processing machines (1 ) used to form the patterns on the denim fabrics, as a clean air (4) by filtering to prevent damage to the environment and users and which is connected with the laser processing machine (1 ), the conducting sheet (2.1 ) which is installed high-voltage and positioned one above the other in a plurality of interconnected spaces as part of said electrostatic filter structure (2), the particle measurement probe (5) measuring the presence of harmful particles in the clean air (4) which is filtered by said electrostatic filter structure (2), the centrifugal fan (6) that enables the transfer of said clean air (4) into the atmosphere more strongly, the valve (8) for controlling said harmful smoke particles (3) in a controlled manner from said laser processing machine (1 ) to said electrostatic filter structure (2), the filter opening closing unit (9) that performs the opening of the electrostatic filter structure (2) and the control unit (7) controlled by opening and closing the filter opening closing unit (9) and the valve
  • valves (8) which are opened and closed by means of a control unit (7), harmful smoke particles (3) emitted from said laser processing machine (1 ) are transmitted to the electrostatic filter structure (2).
  • Said control unit (7) simultaneously activates the electrostatic filter structure (2) via the filter opening closing unit (9) and the filtration process starts.
  • filtering the harmful smoke particles (3) which are converted to clean air (4) is measured by means of the particle measurement probe (5), it is ensured that the clean air (4) is transferred more strongly to the atmosphere by said centrifugal fan (6).

Abstract

The invention relates to a filtration device (A) for laser processing machinery (1), which enables the emission of harmful smoke particles (3) emitted to the environment during the use of the laser processing machines (1) used to form patterns on denim fabrics, which can be filtered into the environment as clean air (4).

Description

A FILTRATION DEVICE FOR LASER PROCESSING MACHINES
Technical Field
The invention relates to a filtration device for laser processing machinery, which enables the emission of harmful smoke particles emitted to the environment during the use of the laser processing machines used to form patterns on denim fabrics, which can be filtered into the environment as clean air.
In particular, the invention relates to an electrostatic filtering apparatus for filtering out smoke particles emitted into the environment during the use of laser processing machines used to form patterns on denim fabrics.
Background of the Invention
Nowadays, laser processing machines are used for burning, cutting, marking or creating visual patterns on fabrics.
In particular, the use of laser processing machines has been significantly increased for the formation of worn-out images on garments such as trousers, shirts, skirts and jackets produced from denim fabrics.
During the operations such as cutting, shaping and pattern forming of the laser processing machines, the smoke particles that are harmful to the environment and health are spread to the environment.
The smoke particles, which are harmful to the environment and health, are released into the atmosphere and they pollute the environment and threaten the health of the workers. These particles may cause occupational diseases such as silicosis in a certain period depending on the amount of the inhalation. Similarly, although an exhaust system has been installed and the buildings are being discharged directly into the atmosphere, this means that the atmosphere and thus the environment are polluted.
In order to prevent this, some filtering systems are introduced in the laser processing machines used in the enterprises. Most of these systems are mechanical filters, hepa filters and activated carbon filters. These filtering systems are very complicated, installation and especially high operating costs. Filter materials should be changed periodically in short intervals. In such a case, businesses do not want to use these filtering systems because they do not want to use this cost.
In the US patent application US5567207, the present invention relates to“The present invention relates to an environmentally safe, water-free method for color fading and for producing patterns on textile materials by exposure to laser radiation of sufficient intensity to cause photo-decomposition of the coloring agent while leaving the underlying textile material undamaged. The pre-dyed material, such as denim, is scanned by a laser beam generated by a selected laser having selective output characteristics to produce uniform fading and patterns of photo-bleached marks on the textile material. When the laser radiation is modulated at a selected frequency, the fading may take the form of stone washing, echo ball washing, or acid washing techniques commonly used on denim materials. The patterns may take the form of any desired image, line, or picture in the substrate material. For mass production the textile materials may be moved under the laser by a conveyer belt or similar means.”
In the said application, a laser processing machine and a method of forming patterns on the textile of said laser processing machine are disclosed.
In the PCT application WO2018073468, the present invention relates to” The invention relates to a method for the localized marking of clothing, which consists of: applying a chemical product on the clothing to be marked, which chemical product, when activated with heat, produces a color change in said area of clothing; and activating the product in the area of clothing to be marked, by means of the spot application of heat by means of a laser. This method allows high definition of the marked area without affecting the strength properties of the clothing or fabric in question.” In the aforementioned application, a laser processing machine is disclosed which allows marking for localized area in textile products.
In the PCT application WO2017081346, the present invention relates to“The invention relates to a machine for laser marking textile products, which comprises two conveyor belts having bidirectional movement (forwards and reverse) for transporting products to a marking zone, and a control device that independently controls the movement of each belt. According to the invention, the machine comprises a laser head having a work area covering a zone of both belts, and the system marks the textile product while the textile product is static”
In the aforementioned application, a laser processing machine is used for marking textile products and for moving forward and backward to move to a marking zone.
Due to the aforementioned disadvantages, it has been required to introduce a new filtration device for laser processing machines.
Disclosure of the Invention
From this aspect of the art, the object of the invention is to provide a new filtering device which eliminates the smoke particles present for laser processing machines.
Another object of the invention is to provide a structure that protects the human health by preventing the environment and users from being affected by smoke particles.
Another object of the invention is to provide an environmentally friendly structure due to the minimum amount of waste released into the environment.
Another object of the invention is to provide a structure with a much higher and lower cost of filtration efficiency.
Another object of the invention is to provide a structure that offers high efficiency even for small submicron particles which constitute the maximum percentage of airborne particles. Another object of the invention is to provide a structure that provides a very low pressure drop compared to the equivalent filtration systems.
Another object of the invention is to provide a structure which requires maintenance only at certain intervals, since the assembly is made of metal steel plate electrodes, which does not require any change during its lifetime (15-20 years).
Another object of the invention is to provide a construction with a zero cost of replacement and low maintenance costs.
Explanation Of Figures
Fig. 1 is a side view of the filtration device for laser processing machines according to the invention.
Fig. 2 is a side view of the filtration device for a plurality of laser processing machines according to the invention.
Figure - 3 is a perspective view of the electrostatic filter structure in the filtration device for the multi laser processing machines according to the invention.
Reference Numbers
A- Filtration Device
1 . Laser Processing Machine
2. Electrostatic Filter Structure
2.1 Conductive Sheet
3. Harmful Smoke Particles
4. Clean Air
5. Particle Measurement Probe
6. Centrifugal Fan
7. Control Unit
8. Valve
9. Filter Opening Closing Unit Detailed Description of the Invention
In this detailed description, innovation according to the invention is explained by examples which will not have any limiting effect on a better understanding of the subject.
The invention is a filtration device (A) for laser processing machines (1 ) to prevent harmful smoke particles (3) from damaging the environment and users during the use of laser processing machines (1 ) used to form patterns on denim fabrics; characterized in that, it comprises an electrostatic filter structure (2) which is connected to said laser processing machine (1 ) by filtering said harmful smoke particles (3) and spreading to the environment as clean air (4).
Fig. 1 shows a side view of the filtration device (A) for laser processing machines (1 ) according to the invention.
Fig. 2 shows a side view of the filtration device (A) for a plurality of laser processing machines (1 ) according to the invention.
Figure - 3 shows a perspective view of the electrostatic filter structure (2) in the filtration device (A) for the multi laser processing machines (1 ) according to the invention.
The filtration device (A) according to invention consists of main parts that; an electrostatic filter structure (2) which allows the emission of harmful smoke particles (3) spreading to the environment during the use of the laser processing machines (1 ) used to form the patterns on the denim fabrics, as a clean air (4) by filtering to prevent damage to the environment and users and which is connected with the laser processing machine (1 ), the conducting sheet (2.1 ) which is installed high-voltage and positioned one above the other in a plurality of interconnected spaces as part of said electrostatic filter structure (2), the particle measurement probe (5) measuring the presence of harmful particles in the clean air (4) which is filtered by said electrostatic filter structure (2), the centrifugal fan (6) that enables the transfer of said clean air (4) into the atmosphere more strongly, the valve (8) for controlling said harmful smoke particles (3) in a controlled manner from said laser processing machine (1 ) to said electrostatic filter structure (2), the filter opening closing unit (9) that performs the opening of the electrostatic filter structure (2) and the control unit (7) controlled by opening and closing the filter opening closing unit (9) and the valve (8). During the use of said laser processing machine (1 ), harmful smoke particles (3) are emitted. In order to prevent this, the electrostatic filter structure (2) is positioned to be connected with said laser processing machine (1).
By means of the valves (8) which are opened and closed by means of a control unit (7), harmful smoke particles (3) emitted from said laser processing machine (1 ) are transmitted to the electrostatic filter structure (2). Said control unit (7) simultaneously activates the electrostatic filter structure (2) via the filter opening closing unit (9) and the filtration process starts. By filtering the harmful smoke particles (3) which are converted to clean air (4) is measured by means of the particle measurement probe (5), it is ensured that the clean air (4) is transferred more strongly to the atmosphere by said centrifugal fan (6).

Claims

1 . The invention is a filtration device (A) for laser processing machines (1 ) to prevent harmful smoke particles (3) from damaging the environment and users during the use of laser processing machines (1 ) used to form patterns on denim fabrics; characterized in that, it comprises an electrostatic filter structure (2) which is connected to said laser processing machine (1 ) by filtering said harmful smoke particles (3) and spreading to the environment as clean air (4).
2. A filtration device (A) for laser processing machines (1 ) according to the claim 1 , comprises the conducting sheet (2.1 ) which is installed high-voltage and positioned one above the other in a plurality of interconnected spaces as part of said electrostatic filter structure (2).
3. A filtration device (A) for laser processing machines (1 ) according to any one of the preceding claims; the particle measurement probe (5) measuring the presence of harmful particles in the clean air (4) which is filtered by said electrostatic filter structure (2).
4. A filtration device (A) for laser processing machines (1 ) according to any one of the preceding claims; the centrifugal fan (6) that enables the transfer of said clean air (4) into the atmosphere more strongly.
5. A filtration device (A) for laser processing machines (1 ) according to any one of the preceding claims; the valve (8) for controlling said harmful smoke particles (3) in a controlled manner from said laser processing machine (1 ) to said electrostatic filter structure (2).
6. A filtration device (A) for laser processing machines (1 ) according to any one of the preceding claims; the filter opening closing unit (9) that performs the opening of the electrostatic filter structure (2).
7. A filtration device (A) for laser processing machines (1 ) according to any one of the preceding claims; the control unit (7) controlled by opening and closing the filter opening closing unit (9) and the valve (8).
PCT/TR2020/050243 2019-04-05 2020-03-26 A filtration device for laser processing machines WO2020204861A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2019/05150 2019-04-05
TR201905150 2019-04-05

Publications (1)

Publication Number Publication Date
WO2020204861A1 true WO2020204861A1 (en) 2020-10-08

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4534034A (en) * 1982-04-07 1985-08-06 Lambda Physik Gmbh Discharge-pumped laser
CN201291526Y (en) * 2008-10-30 2009-08-19 东莞宏威数码机械有限公司 Laser reticle dust collector
WO2011091650A1 (en) * 2010-01-29 2011-08-04 东莞宏威数码机械有限公司 Laser marking dust-removal device and dust-removal method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4534034A (en) * 1982-04-07 1985-08-06 Lambda Physik Gmbh Discharge-pumped laser
CN201291526Y (en) * 2008-10-30 2009-08-19 东莞宏威数码机械有限公司 Laser reticle dust collector
WO2011091650A1 (en) * 2010-01-29 2011-08-04 东莞宏威数码机械有限公司 Laser marking dust-removal device and dust-removal method

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