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| Number | Title | Issue Date |
| 7131604 | Processing apparatus and method for fluid, and deaerator therewith A processing apparatus for fluid with a simple structure, high productivity, ability of precise dispersion, emulsification and grinding, is provided. The apparatus of the present invention comprises at least two processing faces of a first face and a second f... | 11/07/2006 |
| 6939438 | Apparatus for loading fibers in a fiber suspension with calcium carbonate An apparatus for loading fibers in a fiber suspension with calcium carbonate has a housing with an inlet and an accept outlet. A rotatable distribution member is positioned within the housing. A rotor and stator assembly is positioned within the housing radially out... | 09/06/2005 |
| 6227471 | Feeding element for fibrous material A feeding element is disclosed for use in connection with a refiner for lignocellulosic fibrous material including a stationary refiner, a rotary refiner mounted for rotation in juxtaposition with the stationary refiner thereby forming a refining gap ther... | 05/08/2001 |
| 5988538 | Refiner disc having steam exhaust channel A rotary disc refiner includes a pair of spaced apart refiner discs for refining or grinding a material that typically is fibrous material such as wood pulp or the like. Pressurized vapor, typically steam, produced as a result of the refining or grinding ... | 11/23/1999 |
| 5709257 | Removing bark from wood chips A method of crushed ground-wood processing comprises charging the input between two relatively revolving and displaced conical surfaces with simultaneous dimension separation variation by circulating vibrations causing the surfaces to apply variable squee... | 01/20/1998 |
| 5645690 | Pressure relief system for treating fibrous materials under pressure A process and apparatus is disclosed for treating fibrous material under pressure which includes at least two pressure relief devices. The pressure relief devices are arranged so that only one at a time is exposed to pressure during the treatment process.... | 07/08/1997 |
| 5429316 | Support for a stator of a refining machine A refiner for processing fibrous material comprising a frame, a stator, a rotor, a shaft assembly, a stator support, a stator support receiving means adapted to receive the stator support, the improvement comprising mounting the stator support receiving m... | 07/04/1995 |
| 5372316 | Waste processing machine The invention is a waste processor which incorporates the advantages of the chipper knife holder 100, swing hammers 50 and hog 120. A swing hammer 54 is used, providing for the use of all the kinetic energy stored in the swing hammers 54 together with goo... | 12/13/1994 |
| 4936518 | Apparatus for crushing or grinding of fibrous material, in particular drum refiner The invention relates to an apparatus for the crushing or grindign of fibrous material, in particular fibrous material wet or mixed with water, preferably chips, in particular to drum refiners. The invention is mainly characterized in that channels for the dis... | 06/26/1990 |
| 4878997 | Method and apparatus for manufacturing fibre pulp Fibre pulp is manufactured in a refiner with opposed refining members (22,23,24) rotary relative to each other and enclosed in a pressure-proof refiner housing (20). Steam is separated from the fibre pulp in the refiner housing (20) at the counter-effect ... | 11/07/1989 |
| 4744521 | Fluid food processor The present invention relates to a fluid processing apparatus particularly useful for processing fluid foods in a highly uniform, "non-statistical" manner at controlled temperatures and high shear rates. The apparatus comprises a first means including an ... | 05/17/1988 |
| 4725336 | Refiner apparatus with integral steam separator A pressurized disc type refiner having parallel discs housed inside a pressurized chamber and a fluid conveying passageway for removing refined fibrous material entrained in steam is equipped with a second fluid conveying passageway. Fins on the one of th... | 02/16/1988 |
| 4692214 | Apparatus for producing mechanical pulp with a refiner having its drive shaft connected to a steam turbine output shaft In the production of mechanical pulp, a refiner (defibrator) is driven by a steam turnine. The steam supply for the turbine comprises process steam generated in the refiner during the refining action, which steam is preferably passed through a reboiler. S... | 09/08/1987 |
| 4668341 | Method and apparatus for producing mechanical pulp with a steam turbine driven refiner In the production of mechanical pulp a refiner (defibrator) is driven by a steam turbine. The steam supply for the turbine comprises process steam generated in the refiner during the refiner action, which steam is passed through a reboiler and then superh... | 05/26/1987 |
| 4600475 | Refining apparatus with radial passageways for steam recovery A refiner for manufacturing fibre pulp from lignocellulose-containing material, comprising a pressure-proof refiner housing (20) with opposed refining members (21,22) rotating relative to each other. Steam is separated from the fibre pulp in the refiner h... | 07/15/1986 |
| 4560439 | Method and grinder for the manufacture of pulp Method and grinder for the manufacture of fibre pulp from lignocellulosic material, such as wood chips or the like. The fibres are detached from the material by means of a grinding member (6) and the fibrous material is formed into a body, which without r... | 12/24/1985 |
| 4382559 | Defibrator The invention relates to a defibrator comprising at least one rotary cylindrical drum provided on its inner surface with longitudinal deflectors, driven in rotation and axially supplied with material which is to be defibrated. On the inside, the defibrato... | 05/10/1983 |
| 4355767 | Device in grinding apparatus A grinding apparatus in which lignocellulose-containing material such as wood chips is ground in a grinding space defined between cooperating disc segments carried by a rotating disc and a stationary disc in close spacing tolerance. In order to counteract... | 10/26/1982 |
| 4301974 | Refining apparatus Apparatus for refining lignocellulose-containing material is disclosed, including a refiner housing, a pair of counter-rotating refining discs within the housing, one of the discs including a feed passage for refining stock and the other disc including a ... | 11/24/1981 |
| 4235665 | Method and apparatus for producing fiber pulp in a steam pressurized grinding system Method and apparatus for producing pulp from moisture-containing lignocellulosic material, such as wood chips, which is ground in a grinding space defined between a pair of grinding discs which rotate relative to one another in an environment of pressuriz... | 11/25/1980 |
| 4221343 | Vented disc refiner A disc-type refiner wherein the means incorporating the refining surfaces are positioned in opposed, relatively adjacent, closely spaced relation and one thereof is formed to include at least one passageway through which steam created in the refining of m... | 09/09/1980 |
| 4221631 | Method and apparatus for refining fiberous material Method and apparatus for refining fiberous material in a disc refiner for withdrawing steam developed during refining of such fiberous material. The disc refinger comprises a pair of refining discs each of which includes a inner refining surface. The refi... | 09/09/1980 |
| 4204005 | Process for producing fibrous food materials Raw food materials, having a 10-65% water content, are ground between two opposing disc grinding members. The opposing discs are concave to form a central hollow portion therebetween having a nearly trapezoidal cross section.... | 05/20/1980 |
| 4203556 | Grinding device A grinding device is disclosed in which material to be ground is fed axially to a rotating plate on which two sets of blades are mounted. A first inner set of slinger blades forces the material outwardly to a second set of grinding blades. The inner edges... | 05/20/1980 |
| 4163525 | Device for evacuating blow-back steam in pulp refining apparatus A device for evacuating blow-back steam in a pulp refining apparatus in which lignocellulosic pulp stock is ground in an environment of superatmospheric steam in a grinding space defined between a pair of grinding members which rotate relatively to one an... | 08/07/1979 |
| 4136831 | Method and apparatus for minimizing steam consumption in the production of pulp for fiberboard and the like Method and apparatus for minimizing steam consumption in the production of pulp used for the manufacture of fiberboard and the like, in which chips of cellulosic material are ground in a defibrator or refiner in an environment of saturated steam above 100... | 01/30/1979 |
| 4114818 | Disk refiner A disk refiner construction to be supported on a base and including first and second frame parts, said first frame part having inside a pressure proof housing attached at its periphery to said first frame part, a shaft extending into said housing and prov... | 09/19/1978 |
| 4089475 | Mixing and comminuting machine for treating liquid-solid mixtures A mixing and comminuting machine for the treatment of liquid-solid media and the like by compression and decompression under centrifugal action comprises an assembly including stator and rotor members which may be readily replaced as a single unit in the ... | 05/16/1978 |
| 4083503 | Paper stock rotor axial position controlling and locking device A device for controlling the rotor in a paper stock refiner to locate the rotor in a neutral position in the stator during start-up and shut-down, at which time uneven stock flow and unequal hydraulic pressures may occur tending to move the rotor off floa... | 04/11/1978 |
| 4082233 | Disc refiner having means for removing gaseous media from pulp stock A grinding apparatus in which lignocellulosic material is ground between a pair of discs which rotate relatively to one another in a pressurized housing. The stock is advanced by means of a screw feeder, through a central opening in the disc housing and i... | 04/04/1978 |
| 4081146 | Garbage disposal apparatus This disclosure deals with apparatus for grinding kitchen wastes or garbage into particles sufficiently small that they may be carried away by ordinary sewage facilities. The apparatus includes means forming a passage into which the wastes are disposed, a... | 03/28/1978 |
| 4037792 | Continuously refining raw fibrous material to produce mechanical refiner pulp Raw fibrous material is preheated in a preheater in the presence of steam under a pressure greater than atmospheric pressure and then continuously introduced into a disc refiner, without prior defibration, whereby steam is generated in said disc refiner. ... | 07/26/1977 |
| 4004738 | Method of and apparatus for shredding a web of plastic film A method of shredding a web of material is provided. The web is moved by means of a stream of air provided by rotating impeller blades in a first path toward a shredder outlet. At least a part of the web is shredded in this path by stationary first shredd... | 01/25/1977 |
| 4002300 | Chip-forming apparatus Chip-forming apparatus including housing means having a peripheral inner wall surface, a cutter cage mounted within the housing means and spaced from the peripheral inner wall surface, the cutter cage having a plurality of chip-cutting blades, means for f... | 01/11/1977 |
| 3991945 | Centrifugal mill A centrifugal mill for disintegrating fibrous material is provided with a cylindrical grinding track in front of a conical grinding track. The grinding tracks are corrugated and are adapted to cooperate with rotary grinding blades. The corrugation of the ... | 11/16/1976 |
| 3987973 | Device in machine elements with closed casing The invention relates to a device for sealing a casing housing a machine element the rotatable shaft of which passes through the casing within which a pressure differing from that of the outside the casing is maintained. To provide a perfect sealing at th... | 10/26/1976 |
