Device for holding a sheet-like sample
US4448404A · kind A · utility
16Cited by
9References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 1983 |
| Grant date | May 15, 1984 |
| Priority date | — |
| Expiry date | Jun 2, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B11/005
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A device for holding a sheet-like sample includes table means including a reference surface capable of intimately contacting the surface of the sample and a groove formed in the reference surface and capable of being covered by the surface of the sample during the intimate contact, the groove being formed in the shape of a continuous spiral having its center substantially at the center of the reference surface, and exhaust means for exhausting the air in the groove covered by the surface of the sample.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.