Lens location block

Details Lens location block Lens location block

B - Operations, Transporting

24

B

51/20

B24B 13/005 (2006.01) B29D 11/00 (2006.01)

Patent

CA 2003312

ABSTRACT OF THE DISCLOSURE A bi-focal or multi-focal lens element or blank of synthetic plastics material is supported by a lens location block releasably moulded on to the front face of the lens element or blank, the material of the block being comparatively inexpensive non-metallic material so that the block can be thrown away after the element or blank has been released from the block.

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