Method and device for thermally activating a functional layer of a coating material

Patent metadata

Field	Value
Publication number	US-11617239-B2
Application number	US-201816621216-A
Country	US
Kind code	B2
Filing date	Jun 19, 2018
Priority date	Jun 20, 2017
Publication date	Mar 28, 2023
Grant date	Mar 28, 2023

Abstract

The present invention relates to a method for thermally activating a functional layer of a coating material, preferably an edge material, wherein the method comprises the following steps: providing the coating material; feeding the coating material to a device for thermally activating a functional layer of the coating material; and thermally activating the functional layer of the coating material, wherein the thermal activation of the functional layer of the coating material occurs by microwaves which are generated by at least one semiconductor wave generator. The present invention also relates to a device for thermally activating a functional layer of a coating material.

First claim

The invention claimed is:

1. A method for thermally activating a functional layer of a coating material, wherein the method comprises the following steps:
providing the coating material;
feeding the coating materials into a device for thermally activating a functional layer of the coating material; and
thermally activating the functional layer of the coating material,
wherein the thermal activation of the functional layer of the coating material is performed by electromagnetic waves that are synchronised via phase-locked loop (PLL) synchronisation, the electromagnetic waves being produced by first and second semiconductor wave generators.

2. The method according to claim 1 also having the following steps:
recording at least one process variable (T i , P i , N i ) of the method,
controlling at least one of the first or second semiconductor wave generators using this process variable (T i , P i , N i ).

3. The method according to claim 2 , wherein the at least one process variable (T i , P i , N i ) comprises at least a temperature of the functional layer of an edge strip at a particular point before, during or after thermal activation with the semiconductor wave generators or a power, amplitude or phasing of incoming or reflected microwaves.

4. The method according to claim 2 , wherein the at least one process variable (T i , P i , N i ) comprises a plurality of temperatures from the functional layer of an edge strip at particular points before, during or after thermal activation with the semiconductor wave generators to thus allow a specific and defined thermal activation of the functional layer of the coating material.

5. The method according to claim 1 , further comprising, prior to the thermally activating, applying the coating material to a narrow area of a workpiece via injection of the coating material onto the narrow area of the workpiece.

6. A device for thermally activating a functional layer of a coating material having:
at least one semiconductor wave generator and an additional semiconductor wave generator,
wherein the at least one semiconductor wave generator is able to produce electromagnetic waves which are then able to thermally activate the functional layer of the coating material, the at least one semiconductor wave generator and the additional semiconductor wave generator being designed to produce electromagnetic waves that are synchronised via phase-locked loop (PLL) synchronisation.

7. The device according to claim 6 also having:
an applicator; and
a waveguide which is able to forward electromagnetic waves produced in the semiconductor wave generator to the applicator, in order to thermally activate the functional layer of the coating material there.

8. The device according to claim 6 also having:
a device for recording measurements and a control device,
wherein the device for recording measurements is designed to record measurements taken during thermal activation of a functional layer of a coating material and then forward these measurements to the control device, and
the control device is designed to regulate or control the semiconductor wave generator using the measurements received.

9. The device according to claim 7 also having:
an additional applicator and an additional waveguide which is able to forward electromagnetic waves produced in the additional semiconductor wave generator to the additional applicator.

10. A device for applying coating material to a narrow area of a workpiece having:
a device for thermally activating a functional layer of a coating material according to claim 6 , and
an injection device for injecting the coating material onto the narrow area of the workpiece.

11. A device for thermally activating a functional layer of a coating material having:
a first semiconductor wave generator; and
a second semiconductor wave generator,
wherein the first semiconductor wave generator and the second semiconductor wave generator are designed to produce electromagnetic waves that (i) are able to thermally activate the functional layer of the coating material and (ii) are synchronised by means of PLL synchronisation.

12. The device according to claim 11 , further comprising a first applicator for delivering the electromagnetic waves to thermally activate the functional layer of the coating material.

13. The device according to claim 12 , further comprising a first waveguide configured to direct electromagnetic waves produced in the first semiconductor wave generator to the first applicator for thermally activating the functional layer of the coating material.

14. The device according to claim 12 , further comprising a second applicator for delivering the electromagnetic waves to thermally activate the functional layer of the coating material.

15. The device according to claim 14 , further comprising a second waveguide configured to direct electromagnetic waves produced in the second semiconductor wave generator to the second applicator for thermally activating the functional layer of the coating material.

16. The device according to claim 11 also having a device for recording measurements, wherein the device for recording measurements is designed to record measurements taken during thermal activation of a functional layer of a coating material.

17. The device according to claim 16 wherein the device further comprises a control device, and wherein the device for recording measurements is designed to forward the measurements taken during thermal activation of a functional layer of a coating material to the control device, the control device being configured to regulate or control the at least one of the first or second semiconductor wave generators using the measurements received from the device for recording.

Assignees

• Homag Gmbh

Inventors

• Weiss Ruven
• Albrecht Ludwig

Classifications

• B29C63/0065

  Heat treatment · CPC title

• H05B6/686 Primary

  Circuits comprising a signal generator and power amplifier, e.g. using solid state oscillators · CPC title

• B29C63/0026

  an edge face with strip material, e.g. a panel edge (securing a veneer strip to a panel edge B27D5/003) · CPC title

• B32B37/1207

  Heat-activated adhesive (B32B37/04 takes precedence) · CPC title

• H05B6/788

  wherein an elongated material is moved by applying a mechanical tension to it · CPC title