Laser-ablating a marking in a coating on plastic articles

Details Laser-ablating a marking in a coating on plastic articles Laser-ablating a marking in a coating on plastic articles

B - Operations, Transporting

23

K

327/1.4

B23K 26/18 (2006.01) B41M 5/24 (2006.01)

Patent

CA 2032115

Abstract There is disclosed a method of laser-marking plastic articles without unduly damaging the plastic. The method comprises coating the plastic with a contrasting color layer, and intermediate the color layer and the plastic, a protective layer of a dried coverage of at least 1.5 g/m2. Optionally, the ablation can be carried out beyond the stripe portion to be marked, to clear away any debris from the white support that otherwise can be left behind by the ablation.

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