Method for the alteration of a lens and an adhesive lens blocking pad used therein
US3962833A · kind A · utility
44Cited by
8References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 31, 1975 |
| Grant date | Jun 15, 1976 |
| Priority date | — |
| Expiry date | Mar 31, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1424
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method for altering a lens whereby a lens is securely bonded to a lens block by a lens adhesive blocking pad having means for accurately aligning the optical center, and optionally the cylinder axis, of the lens with the center point and cylinder axis of the lens block. The invention also includes the adhesive lens blocking pad with alignment means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.