IRRADIATION MARKING OF RETROREFLECTIVE SHEETING
First Claim
Patent Images
1. A method of marking prismatic retroreflective sheeting, comprising:
- providing prismatic retroreflective sheeting having a front side and a back side, the back side comprising prismatic features;
directing a radiation source at the back side of the prismatic retroreflective sheeting and irradiating a plurality of the prismatic features;
wherein the radiation forms a mark in the prismatic retroreflective sheeting.
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Abstract
A method of marking prismatic retroreflective sheeting includes providing prismatic retroreflective sheeting having a front side and a back side, the back side having prismatic features and directing a radiation source at the back side of the prismatic retroreflective sheeting and irradiating a plurality of the prismatic features. The radiation forms a mark in the prismatic retroreflective sheeting.
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Citations
25 Claims
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1. A method of marking prismatic retroreflective sheeting, comprising:
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providing prismatic retroreflective sheeting having a front side and a back side, the back side comprising prismatic features; directing a radiation source at the back side of the prismatic retroreflective sheeting and irradiating a plurality of the prismatic features;
wherein the radiation forms a mark in the prismatic retroreflective sheeting. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 20, 21, 22)
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13. A method of marking prismatic retroreflective sheeting, comprising:
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providing prismatic retroreflective sheeting having a front side and a back side, the back side comprising prismatic features; directing a laser at the back side of the prismatic retroreflective sheeting and irradiating a plurality of the prismatic features;
wherein the laser forms a mark in the prismatic retroreflective sheeting. - View Dependent Claims (14, 15, 16, 17, 18, 19, 23, 24, 25)
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Specification