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US 2006/0037186 A1Published application
Method of manufacturing a tamper-resistant marker
OwnerAlbert Burlandoinventor
Life of this patent
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Abstract
A tamper-resistant marker includes a blank of metal sheet material in the form of a plane having a perimeter and two faces. A flange extends about the perimeter in a direction substantially perpendicular to the faces. One face of the metal blank has a rim raised in a direction opposite to that of the flange and forming a depression on the face. A label bearing a message to be posted using the marker is disposed in the depression and covered with a coating of polyurethane forming a dome over the label.
Claims8
A method of manufacturing a tamper-resistant marker, said method comprising the steps of:
- providing a blank of sheet metal, said blank having two faces and a perimeter;
- embossing a raised rim into one face of said blank to define a depression thereon;
- forming a flange about said perimeter, said flange being in a direction opposite to that of said rim;
- placing a label bearing some message or indicia into said depression;
- dispensing polyurethane over said label to cover said label and to form a dome of polyurethane thereover, and
- curing said polyurethane.
3 more elements
Dependencies are inferred from the claim text.