Essilor International

Armand Achy

Alain Chansavoir

Jean-François Belly

The pneumatic blocking support which is used to block an optical lens () on a machine or device has means () for fixing it on a corresponding element of the machine or device. The blocking means comprise a central cavity () and a joint () having at least one annular part () against which the lens rests in order to define a depression chamber () with said cavity and joint. The blocking elements include stop members () which are created in order to provide the optical lens with a rigid seat after the elastic compression of the joint.

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Noisy Le Grand, France

Armand Achy