Patent ID: 7879280

Claim:
A mold insert system for an injection mold apparatus including a mold cavity plate and a mold core plate, the mold insert system comprising: an insert configured for insertion into the injection mold apparatus, the insert including: an imprint plate including a predetermined pattern of protrusions configured to form grooves in an article molded by the injection mold apparatus, wherein the imprint plate of the insert is configured to be moveable relative to the mold core plate; a stationary piece including a pattern of slots configured to correspond to the predetermined pattern of protrusions in the imprint plate, wherein the stationary piece of the insert is configured to be stationary relative to the mold core plate and wherein the stationary piece is separate from both the mold cavity plate and the mold core plate; an actuator configured to cause movement of the imprint plate from a first position in which the protrusions on the imprint plate do not extend beyond the slots in the stationary piece to a second position in which the protrusions on the imprint plate extend temporarily beyond the slots in the stationary piece.