Intraoral dental radiographic film packet with formed comfort enhancing perimeter
US6309101A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2000 |
| Grant date | Oct 30, 2001 |
| Priority date | — |
| Expiry date | Mar 24, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C3/003
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An intraoral x-ray film packet is taught which includes a perimetric comfort enhancing feature. The intraoral x-ray film packet includes an envelope formed by a first outer sheet having a first generally semicylindrical perimetric element formed therein; a second outer sheet including a second generally semicylindrical perimetric element formed therein, the first and second generally semicylindrical perimetric elements forming a perimetric cushion; and a pair of continuous perimetric seals affixing the first and second outer sheets together, one perimetric seal residing on each side of the perimetric cushion. The packet also includes a film chip residing between the first and second outer sheets. The second outer sheet includes a pair of overlapping sections which are sealed together to form a tab portion to facilitate removal of the envelope after exposure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.