Sealing member for toner cartridge
US6934487B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2002 |
| Grant date | Aug 23, 2005 |
| Priority date | — |
| Expiry date | Oct 22, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S222/01
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Sealing film having a substantially longitudinal central strip to be torn out between a first end and a second end, whereby the central strip has a substantially constant width and a substantially longitudinal central axis, and whereby an end of the central strip adjacent to one end selected from the first end and the second end has a width which varies from the substantially constant width of the central strip to an end width lower to the substantially constant width of central strip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.