Patent ID: 7011513
Filing Date: 2006-03-14
Classification: B08B,Y10S

Abstract:
1. A cleaning apparatus for a lens mold half having a flange, comprising a cleaning assembly which includes a gas inlet, a gas outlet, and a surface having a cylindrical recess for accommodating the lens mold and a raised cylindrical portion surrounding the recess, wherein the recess has a cylindrical wall and a bottom surface, wherein the raised cylindrical portion having an inner diameter and an outer diameter thereby defining a ridge, wherein the ridge, in operation, is placed close to the flange so that a substantially enclosed area is formed between the cleaning assembly and said lens mold with the lens mold being situated within the substantially enclosed area, wherein the outlet is in fluid communication with the recess for an outflow of gas from the substantially enclosed area, wherein the inlet is in fluid communication with the recess and arranged coaxially with the cylindrical recess for injecting an inflow of compressed gas onto the lens mold to dislodge any debris residing on the lens mold.