Laser scored package
AssigneeAmerican National Can Company
InventorRichard Littmann
Life of this patent
Estimating the term…
Abstract
A structure for use in making an easy open package comprises a thermoplastic sheet material. The sheet material has a strip of reflective metal on one surface. Over the metal strip on the opposite surface of the sheet material is a score line. The score line may be formed by a laser. The metal strip reflects the laser and provides a score line of more uniform depth and also provides barrier properties in the area of the score line.
Claims12
A structure for use in making a package comprising a multi-layer thermoplastic sheet material having at least three laminated layers of thermoplastic material, said sheet having upper and lower surfaces and wherein said sheet has a strip of reflective metal on at least a portion of the lower surface of said sheet material, said upper surface of said sheet material having a score in the area above the strip of reflective metal, said score extending through the first layer of the thermoplastic sheet material and through the second layer of the thermoplastic sheet material, and into the third layer of the thermoplastic sheet material.
Dependencies are inferred from the claim text.