Northern Engraving Corporation

Kenneth B Gilleo

Willard H Kreibich

Willard H Kriebich

An article and its method of manufacture. The article comprises a base provided with a surface having a surface pattern. The surface pattern has at least one edge or boundary defined by at least one continuous retaining means. At least a portion of the retaining means is a contiguous low energy surface. The article additionally optionally comprises a volume or hardened resin covering only the surface pattern. The method of the invention comprises forming the continuous retaining means comprising a contiguous low energy surface to define the boundary of the pattern area, introducing a liquid resin into the pattern area and hardening the resin to form an elevated boss.

Boss formation using low surface energy dams

An article and its method of manufacture. The article comprises a base provided with a surface having a surface pattern. The surface pattern has at least one edge or boundary defined by at least one continuous retaining means. At least a portion of the retaining means is a contiguous low energy surface. The article additionally optionally comprises a volume or hardened resin covering only the surface pattern. The method of the invention comprises forming the continuous retaining means comprising a contiguous low energy surface to define the boundary of the pattern area, introducing a liquid resin into the pattern area and hardening the resin to form an elevated bo

An article comprising a thermoplastic polymer having an essentially planar surface provided with a surface pattern defined and encompassed by at least one continuous self-connecting retaining dam; at least a portion of the dam comprising at least one debossed region between at least two essentially parallel raised ridges; a further article comprising the foregoing article having a boss formed from a hardened resin over the surface pattern to a depth at least equal to the height of the highest of the raised ridges; and a method for manufacturing the articles by heating the surface to a temperature above the deformation temperature of the polymer and impressing the surface with a debossing die to form the portion of the article having the debossed region and raised ridges and introducing a liquid resin into the surface pattern followed by solidifying the resin to form the article having the boss.

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Sparta, WI, United States of America

Kenneth B Gilleo