US Patent Issued to COOPERVISION INTERNATIONAL on Nov. 11 for "Mandrel for use in the machining of ophthalmic lenses" (British Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,022, issued on Nov. 11, was assigned to COOPERVISION INTERNATIONAL Ltd. (Fareham, Great Britain).

"Mandrel for use in the machining of ophthalmic lenses" was invented by David Ricketts (Southampton, Great Britain) and Edward James Harley Evans (Southampton, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mandrel 1 for holding an ophthalmic lens member blank 52 during machining is disclosed. The mandrel 1 comprises a front surface 6 for receiving an ophthalmic lens member blank 52 to be machined; a rear surface 8 opposite the front surface 6; and one or more through-holes 10 extending between the front and rear surfaces 6,8. In use, wa...