NZ779237B2 - Apparatus and method for separating a composite safety glass panel - Google Patents

Apparatus and method for separating a composite safety glass panel Download PDF

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Publication number
NZ779237B2
NZ779237B2 NZ779237A NZ77923720A NZ779237B2 NZ 779237 B2 NZ779237 B2 NZ 779237B2 NZ 779237 A NZ779237 A NZ 779237A NZ 77923720 A NZ77923720 A NZ 77923720A NZ 779237 B2 NZ779237 B2 NZ 779237B2
Authority
NZ
New Zealand
Prior art keywords
laser
composite film
dividing line
length
line
Prior art date
Application number
NZ779237A
Other versions
NZ779237A (en
Inventor
Andreas Luster
Heinrich Ostendarp
Thomas Rainer
Benjamin Thiele
Original Assignee
Hegla Gmbh & Co Kg
Filing date
Publication date
Priority claimed from DE102019116560.1A external-priority patent/DE102019116560A1/en
Application filed by Hegla Gmbh & Co Kg filed Critical Hegla Gmbh & Co Kg
Publication of NZ779237A publication Critical patent/NZ779237A/en
Publication of NZ779237B2 publication Critical patent/NZ779237B2/en

Links

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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
    • B23K2103/54—Glass
    • 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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/40—Removing material taking account of the properties of the material involved
    • B23K26/402—Removing material taking account of the properties of the material involved involving non-metallic material, e.g. isolators
    • 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
    • B23K26/50—Working by transmitting the laser beam through or within the workpiece
    • B23K26/53—Working by transmitting the laser beam through or within the workpiece for modifying or reforming the material inside the workpiece, e.g. for producing break initiation cracks
    • 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
    • B26F3/06—Severing by using heat
    • B26F3/16—Severing by using heat by radiation
    • 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
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • 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
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • 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
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
    • 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
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
    • B32B17/1099—After-treatment of the layered product, e.g. cooling
    • 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
    • B32B2310/00—Treatment by energy or chemical effects
    • B32B2310/08—Treatment by energy or chemical effects by wave energy or particle radiation
    • B32B2310/0806—Treatment by energy or chemical effects by wave energy or particle radiation using electromagnetic radiation
    • B32B2310/0843—Treatment by energy or chemical effects by wave energy or particle radiation using electromagnetic radiation using laser
    • 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
    • B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
    • B32B2315/08—Glass
    • 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
    • B32B43/00—Operations specially adapted for layered products and not otherwise provided for, e.g. repairing; Apparatus therefor
    • B32B43/003—Cutting
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/07—Cutting armoured, multi-layered, coated or laminated, glass products
    • C03B33/076—Laminated glass comprising interlayers
    • C03B33/078—Polymeric interlayers

Abstract

The invention relates to an apparatus (1) for separating a composite safety glass panel (2) along at least one predefinable dividing line (3), wherein the composite safety glass panel (2) has at least one composite film (4) and at least two glass panels (5), wherein the composite film (4) is arranged between the glass panels (5) and connects the glass panels (5) to each other, the apparatus (1) having at least one separating means for separating the glass panels (5) along the at least one dividing line (3) and at least one heating means (6) for heating the composite film (4) at least along the dividing line (3). The invention further relates to a method for separating a composite safety glass panel. A method and an apparatus for separating a composite safety glass panel (2), wherein the cycle times for separating are shortened, are realized in that the heating means (6) has at least one laser device (7) having at least one plurality of laser radiation sources (8) arranged adjacent to each other, and wherein a plurality of adjacently arranged individual intensity profiles (11) for heating the composite film (4) at least along a portion of the dividing line (3) can be produced by means of the laser device (7).

Claims (29)

Claims
1. A device for separating a composite safety glass panel along at least one predefinable dividing line, wherein the composite safety glass panel has at least one composite film and at least two glass panels, wherein the composite film is placed between the glass panels and bonds the glass panels to one another, the device having at least one ting means for separating the glass panels along the at least one ng line and at least one heating means for heating the composite film at least along the dividing line, wherein the heating means contains at least one laser device that has at least multiple adjacently arranged laser beam sources, and wherein multiple adjacently arranged dual intensity es can be generated with the laser device to heat the composite film at least along a segment of the dividing line.
2. The device according to claim 1, wherein the multiple adjacently arranged individual intensity profiles form a laser line.
3. The device according to claim 2, wherein the dual intensity profiles overlap at least in part in their edge regions, in order to form the laser line, such that a length of an individual intensity profile corresponds to approx. 2 times to 20 times the width of the individual intensity profile.
4. The device ing to one of claims 1 to 3, wherein the laser device contains at least one beam-shaping assembly for forming the individual intensity profiles.
5. The device according to claim 4, wherein the beam-shaping ly contains at least one lens assembly, wherein the lens assembly contains a lens for le laser beam sources, or contains at least one lens for each laser beam source.
6. The device according to any of the claims 4 to 5, wherein the beam-shaping assembly forms the individual intensity profiles from substantially parallel laser radiation in the direction of at least one axis.
7. The device according to any of the claims 2 to 3, wherein the laser device contains at least one beam-shaping assembly for g the individual intensity profiles, wherein the beam-shaping assembly forms the laser lines.
8. The device according to any of the claims 1 to 7, n the combined length of the multiple dual intensity profiles corresponds to between 30 times and 1700 times the width of the individual intensity profile, or wherein the combined length of the multiple individual ity profiles corresponds to at least the length of the dividing line.
9. The device according to any of the claims 2 to 3, wherein the length of the laser line corresponds to n 30 times and 1700 times the width of the laser line, or wherein the length of the laser line corresponds to at least the length of the dividing line.
10. The device according to any of the claims 1 to 9, wherein the individual intensity profiles are straight, or wherein at least one individual ity e is curved, at least in part.
11. The device according to any of the claims 1 to 10, wherein each laser beam source contains at least one laser diode.
12. The device according to claim 11, wherein each laser beam source contains an arrangement of multiple laser diodes or a laser diode stack.
13. The device according to any of the claims 1 to 12, wherein the output of the laser beam source is between 5 W and 50 W, and/or wherein the wavelength of the laser radiation emitted from the laser beam source is between 1200 nm and 2200 nm.
14. The device according to any of the claims 1 to 13, n at least a part of the laser device is supported such that it can oscillate and/or move.
15. The device according to any of the claims 4 to 6, wherein the laser beam sources and/or the beam-shaping assembly is supported such that it can oscillate and/or move in the longitudinal ion of the dividing line.
16. The device according to any of the claims 1 to 15, wherein the laser beam sources can be lled individually, or wherein the laser beam sources can be controlled in , in order to set the number of individual intensity profiles.
17. The device according to any of the claims 2 to 3, wherein the laser beam sources can be controlled individually, or n the laser beam sources can be controlled in groups, in order to set the length of the laser line.
18. A method for separating a composite safety glass panel, n the composite safety glass panel contains at least one composite film and at least two glass panels, wherein the composite film is placed between the glass panels and bonds the glass panels to one another, comprising the steps: - separating the two glass panels along at least one predefinable dividing line; - heating the composite film along the dividing line; - pulling apart the glass panels along the dividing line; and - separating the composite film; n the composite film is heated with multiple adjacently arranged individual intensity profiles along at least one segment of the dividing line with a laser device that has at least multiple adjacently arranged laser beam sources.
19. The method according to claim 18, wherein the multiple individual intensity profiles collectively form a laser line.
20. The method according to claim 18 or 19, n the composite film is heated prior to pulling apart the glass .
21. The method according to any of the claims 18 to 20, n the composite film is separated by the pulling apart after the heating thereof.
22. The method according to any of the claims 18 to 21, wherein the composite film is heated at least in part during the separation of the two glass panels.
23. The method ing to any of the claims 18 to 22, wherein the glass panels are separated by mechanical g and by the heating of the composite film, or wherein the glass panels are separated by scoring with at least one laser and by heating the composite film.
24. The method according to any of the claims 18 to 23, wherein at least a part of the laser device, at least during the heating, is oscillated or moved.
25. The method ing to claim 24, wherein the laser beam sources and/or a beamshaping assembly forming the individual intensity profiles, at least during the heating, is oscillated or moved in the longitudinal direction of the dividing line.
26. The method according to any of the claims 18 to 25, wherein the combined length of the multiple individual intensity profiles corresponds to n 30 times and 1700 times the width of the individual intensity profile, or the ed length of the multiple individual intensity profiles corresponds to at least the length of the dividing line.
27. The method according to claim 19, wherein the length of the laser line corresponds to between 30 times and 1700 times the width of the laser line, or the length of the laser line corresponds to at least the length of the dividing line.
28. Use of a device according to any of the claims 1 to 17,to join at least two sections of the composite safety glass panel.
29. The use according to claim 28, n the device is used to heat the composite film to bond at least two sections of the composite safety glass panel to one another. E D
NZ779237A 2020-01-21 Apparatus and method for separating a composite safety glass panel NZ779237B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102019200757 2019-01-22
DE102019116560.1A DE102019116560A1 (en) 2019-01-22 2019-06-18 Device and method for separating a laminated safety glass panel
PCT/EP2020/051441 WO2020152184A1 (en) 2019-01-22 2020-01-21 Apparatus and method for separating a composite safety glass panel

Publications (2)

Publication Number Publication Date
NZ779237A NZ779237A (en) 2024-03-22
NZ779237B2 true NZ779237B2 (en) 2024-06-25

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