Blocking machine for lens manufacture

Details Blocking machine for lens manufacture Blocking machine for lens manufacture

1987-04-20

1988-07-26

Moon, Charlie T.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51216LP, 51217L, 51277, 51284R, B24B 4702

Patent

active

047591544

ABSTRACT:
The disclosure relates to a machine for aligning and attaching partly-worked lens blanks to a block so that the remainder of the blank can be machined. The machine comprises a vee-shaped holder for supporting the block with it axis vertical above a moveable table on which the lens blank is supported. The moveable table is freely moveable in any direction in a horizontal plane and the machine includes means for bringing the block and partly-worked lens into contact and achieving alignment of the axes of the block and lens blank by permitting the lens blank to move in any direction in a horizontal plane. A film of liquid adhesive is provided between the surface of the lens blank and the block which acts both as a lubricant and as a bonding agent when correct alignment has been achieved.

REFERENCES:
patent: 3221378 (1965-12-01), Faas et al.
patent: 3261131 (1966-07-01), Loh et al.
patent: 3277612 (1966-10-01), Brandt
patent: 3354938 (1967-11-01), Carignan et al.
patent: 3417454 (1968-12-01), Beasley
patent: 4328060 (1982-05-01), Tusinski et al.
patent: 4358913 (1982-11-01), Sorrells
patent: 4543752 (1985-10-01), Kotting

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