Patent ID: 7878785

Claim:
A mold for producing molded articles, the mold comprising: a first mold and a second mold releasingly engageable between an open position and a closed position, the closed position defining a mold cavity; and a surface of the mold cavity comprising a plurality of grooves, each groove being connected to a plurality of vents, at least two of said vents being in fluid communication with each other through at least one of said plurality of grooves, each vent comprising a passageway for gas to escape from the mold cavity, each groove configured to have: (i) a depth of up to about 10 mm and a width, the depth being greater than or equal to the width, and (ii) a cross-sectional shape comprising an open portion having a first width of up to about 5 mm and an apex portion having a second width less than the first width.