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AB Hedemora Verkstader Patents |
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Assignee: AB Hedemora Verkstader
Address: Hedemora, SE
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4929355 |
Method and apparatus for the separation of caustic liquor, lime sludge and sludge in a causticiz |
May 29, 1990 |
| In a causticizing process for separating at least white liquor and lime sludge out of the process, filters in the form of discs or drums are arranged. The filtrations take place under positive pressure and the filters are arranged in a closed system. Such a pressure filter can also b |
| 4695381 |
Filter for continuous filtering of a suspension under pressure |
September 22, 1987 |
| A filter for continuous filtering of suspension under pressure includes a pressure vessel, a shaft rotatably journalled in the pressure vessell and disc filters elements arranged on the shaft. The filter elements are composed of sectors and inlet filtrate channels in each sector are |
| 4676901 |
Rotating disc filter |
June 30, 1987 |
| In a rotating disc filter for dewatering a suspension comprising filter discs (3) divided into a plurality of disc sectors (4), the discharge of filtrate from each disc sector takes place through an axial filtrate channel (7). Each filtrate channel is at the side wall of the filter c |
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