System for drying wet, porous webs
US4364185A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 13, 1981 |
| Grant date | Dec 21, 1982 |
| Priority date | — |
| Expiry date | Apr 13, 2001 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF26B13/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The system comprises a stationary drum with at least one end having a large open area, and a coaxial, rotatable cylinder of larger diameter than the stationary drum mounted for rotation about the stationary drum. The stationary drum has a plurality of circumferentially-separated, longitudinally-extending sets of gas baffles on its outside surface and a plurality of circumferentially-separated, longitudinally-extending sets of inwardly-extending louvers adapted to direct gas in an axial direction inside the stationary drum. First sealing members and circumferentially-separated second sealing members each extend across the annular space between the stationary drum and the rotatable cylinder to divide the annular space into two different pressure zones.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.