FIELD: construction.
SUBSTANCE: floor panels include upper layer based on synthetic material, with shaped edge areas with connector parts in at least two opposite sides of panel. Floor panel manufacturing begins with plank material. Floor panels are shaped at least partially by laser processing of plank material.
EFFECT: laser processing used to remove part of material at upper layer allows obtaining at least a part of final surface of shaped edge area.
39 cl, 31 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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|
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|
RU2531813C2 |
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|
RU2384679C2 |
