Method of unloading film cartridge from one-time-use camera
US6088529A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 18, 1999 |
| Grant date | Jul 11, 2000 |
| Priority date | — |
| Expiry date | May 18, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2219/045
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method of unloading a film cartridge with exposed film from a spent one-time-use camera that has a main body part with a chamber for the film cartridge and a pair of front and rear cover parts which house the main body part between them, comprises the steps: PA1 cutting off light lock engaging corresponding bottom portions of the front and rear cover parts to provide an exterior cut bottom opening in the front and rear cover parts, without cutting the main body part, in order to leave an interior original bottom opening in the main body part in tact; and PA1 removing the film cartridge from the chamber through the interior original bottom opening and the exterior cut bottom opening, PA1 whereby the main body part may be recycled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.