Method of forming precisely curved surfaces
US4627256A · kind A · utility
4Cited by
17References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 26, 1979 |
| Grant date | Dec 9, 1986 |
| Priority date | — |
| Expiry date | Dec 26, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49805
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Precisely curved, lightweight and low-cost reflectors for electromagnetic radiation are fabricated by use of a tool and a process in which a blank is planar stretched by uniformly applied isotropic and radially extending forces followed by deformation of the stretched blank to a precisely curved surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.