Instant camera with improved processing liquid spreading device
US6356712B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 9, 1999 |
| Grant date | Mar 12, 2002 |
| Priority date | — |
| Expiry date | Sep 9, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/50
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A self-developing type of instant camera is equipped with a processing liquid spreading device comprising a pair of pressure-applying processing rollers which ruptures a processing liquid containing pod and distributes a processing liquid in a film unit, a spread controller operative to press and rubs the film unit from one side of the film unit coming out from a film pack so as to spread the processing liquid distributed in the film unit and a guide member, disposed between the spread controller and the film pack, operative to force the film unit from another side of the film unit so as to direct the film unit toward the bite of pressure-applying processing rollers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.