Lens block and associated de-blocking apparatus and method

Details Lens block and associated de-blocking apparatus and method Lens block and associated de-blocking apparatus and method

B - Operations, Transporting

24

B

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

Patent

CA 2458851

A method and apparatus are provided for deblocking a lens from a lens block in wich a fluid passage is provided through the lens block to a lens mounting surface adjacent which the lens is mounted. A pressurized fluid is introduced to the fluid passage and transmitted thereby to an interface between a lens mounting adhesive and a lens mounting surface. The apparatus includes a lens block and a receptacle for receiving the lens block, a clamp for securing the lens block to the apparatus and a pump for supplying pressurized fluid from a fluid source to the passage in the block. The lens block may also include an embedded RFID tag embedded in the lens block and a fluid pressure responsive piston mounted between a balance of said lens block and said lens.

L'invention concerne un procédé et un appareil permettant de débloquer une lentille d'un bloc de lentilles qui comporte un passage fluidique le traversant en direction d'une surface de montage de lentilles adjacente à l'emplacement de montage de la lentille. On introduit dans le passage fluidique un fluide sous pression, lequel est transmis à une interface située entre un adhésif et une surface de montage de lentilles. L'appareil comprend un bloc de lentilles et un réceptacle de bloc de lentilles, une bride pour fixer le bloc de lentilles à l'appareil et une pompe qui alimente le passage dans le bloc en fluide sous pression provenant d'une source fluidique. Le bloc de lentilles peut également comporter une étiquette d'identification par radiofréquence (RFID) solidaire dudit bloc, ainsi qu'un piston mobile sous l'effet de la pression du fluide monté entre ledit bloc de lentilles et ladite lentille.

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