| Patent Number |
Title Of Patent |
Date Issued |
| 4510056 |
Hydrocyclone separator |
April 9, 1985 |
| In a hydrocyclone separator for separating a mixture into one light and one heavy fraction, with a separation chamber consisting partly of one circular cylindrical part and partly of one conical part, the wall of the separation chamber (1, 2) is provided, along a substantial part of its |
| 4441999 |
Strainer means for pulp purification |
April 10, 1984 |
| A strainer device for purification of pulp suspensions comprises a strainer drum with a cylindrical mantle provided with strainer openings. Between the strainer openings are inclined surfaces forming an angle with the flow direction of the suspension, in order that particles contacting t |
| 4374729 |
Strainer drum for pulp and the like |
February 22, 1983 |
| A strainer drum for straining pulp and the like comprises a substantially circular cylindrical mantle formed by a number of strainer elements provided with strainer openings, which strainer elements are held together between at least two gables to form the mantle. |
| 4334986 |
Separator for a mixture of a suspension and coarse heavy particles |
June 15, 1982 |
| A separator for separating coarse particles from cellulose pulp suspensions and the like comprises a first separation chamber provided with an inlet for incoming mixture, a first outlet for the light fraction, and an outlet for an intermediate fraction enriched in coarse particles. A sec |
| 4333572 |
Separation of pulp flow |
June 8, 1982 |
| The method is intended for separating a flow of pulp containing impurities of coarse particles, partly light and partly heavy particles, by means of a main sieve or the like, into at least one pulp flow and one coarse reject flow. The coarse reject flow is separated by a hydrocyclone |
| 4278534 |
Method for separation of material mixtures, containing abrasive particles, in a hydrocyclone sep |
July 14, 1981 |
| A method is disclosed, intended for usage with double-mantled hydrocyclone separators of the type which is preferably used in the pulp and paper industry for purification of cellulose fiber suspensions, containing abrasive particles, which may, in the long run, cut a hole in the conical |
| 4238208 |
Apparatus for degassing paper stock |
December 9, 1980 |
| The paper-making stock is fed continuously to a tank with two chambers separated by a partition having an opening for passage of stock from the first to the second chamber, evacuation means being provided for maintaining equally low gas pressures in the two chambers. A stock consumer |
| 4211643 |
Hydrocyclone separator |
July 8, 1980 |
| A hydrocyclone separator for separating a materials mixture into fractions with an upper covered cylindrical part and a lower concial part, the upper part having a tangential inlet, and an axial outlet on its cover; the lower part having an outlet at its bottom.A cylindrical shell or man |
| 4175036 |
Hydrocyclone separator |
November 20, 1979 |
| A hydrocyclone chamber includes a cylindrical part having a tangential inlet and a central outlet for a separated fraction of the incoming mixture, the chamber also including a conical part leading to a second outlet for another fraction of the mixture. A guide bar extends circumfere |
| 4153558 |
Hydrocyclone separator |
May 8, 1979 |
| The separation chamber has a circular cylindrical part with a tangential inlet for the mixture and a central outlet for the light separated fraction, the chamber also having a conical part forming an outlet for the separated heavy fraction. A first guide bar on the wall of said conical |
| 4134827 |
Hydrocyclone separator |
January 16, 1979 |
| A hydrocyclone separator has a tangential inlet comprising an inlet nozzle that accepts a mixture to be separated and a diluting liquid. The inlet is at one end of the hydrocyclone and a heavy fraction outlet is at the other end. The inlet nozzle introduces the diluted mixture into the h |
| 3959150 |
Cyclone separator assembly |
May 25, 1976 |
| Conduits are provided for supplying a fluid to each cyclone separator and discharging separated fluids therefrom; and the conduits are connected to the separator by means comprising a tube on each conduit mating with a tube on the separator, each pair of mating tubes being arranged one w |
| 3935109 |
Straining apparatus |
January 27, 1976 |
| A fibre-containing liquid is sprayed on the inlet side of a first strainer, there being a flow path for medium passing therethrough and leading from the outlet side of the strainer. A second strainer spaced from the first strainer covers said flow path and has mesh openings larger than t |
