Dual mode color fuser
US4791447A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 31, 1987 |
| Grant date | Dec 13, 1988 |
| Priority date | — |
| Expiry date | Aug 31, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/2006
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Heat and pressure fusing apparatus for fixing color toner images to various types of copy substrates. The apparatus includes three roll members which cooperate to form a pair of nips. All substrates pass through a first nip and a deflector plate directs certain types of substrates through the second nip. Passage of the substrates through the first nip causes the images carried thereon to contact a conformable elastomeric surface while passage through the second nip casues them to contact a relatively rigid surface. Thus, glossy and matt color copies on substrates such as plain paper and high chroma transparencies are suitably produced in a color reproduction apparatus incorporating this fuser. Matt color copies are produced by passing the substrate through only the first nip while glossy color copies and high chroma transparencies are produced by passing the substrates through both nips.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.