Web cassette for holding and dispensing a roll of web material
US5275346A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 29, 1992 |
| Grant date | Jan 4, 1994 |
| Priority date | — |
| Expiry date | May 29, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B27/588
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An improved light-tight web cassette 10 is disclosed for holding and dispensing a roll of photosensitive web material. The web cassette 10 comprises a tubular core 12 onto which a roll of web 14 material is wound. A jacket 16 surrounds the web roll and is provided with side edges 18. A pair of end caps 22 is provided, each end cap 22 having a central openings 28 and a peripheral recess 24 for receiving the end edges 18 of the jacket 16 in light-tight relation. A core plug 34 is provided for each end cap 22 which is adapted, when pressed through the central opening 28 into the tubular core 16 to an assembled position, to press and hold the end edges 18 of the jacket 16 into the recesses 24 of the end caps 22 in light-tight relation. Core plugs 34, moreover, holds the end caps 22 against the end of core 12.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.