Washing apparatus
US5437170A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 1994 |
| Grant date | Aug 1, 1995 |
| Priority date | — |
| Expiry date | Jul 26, 2014 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21C9/02
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Apparatus for treating pulp with a treating liquid, comprising a vessel (1) with cylindrical wall (2), inner screening means (3) for withdrawing liquid from the pulp, and a plurality of distributing tubes (5) on the outside of the vessel for the supply of treating liquid into the vessel through a plurality of inlet connections (6). According to the invention each distributing tube (5) is formed of an annular section (20) and an opposing part (21) of the cylinder wall (2), the section being welded directly to the cylinder wall, and the section and the cylinder wall part enclosing between them a distributing channel (22). Furthermore, each inlet connection (6) is provided with an opening (23) extending through the cylinder wall part and connecting the distribution channel to the interior of the vessel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.