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| Number | Title | Issue Date |
| 7454847 | Sediment and sludge dewatering by vacuum bag method Dredged sediment or sludge dewatering by vacuum bag method preferably includes a foundation, at least one sediment enclosure, a porous media spacer, an air impermeable sheet, and a vacuum source. The foundation may be air permeable or impermeable. The sediment enclo... | 11/25/2008 |
| 7406779 | Variable die for use in drying synthetic elastomers Apparatus and methodologies are provided for flash drying liquid materials using a variable die. A die and a die body are provided with an adjustably configured pressure regulating variable obstruction in the material flow path that allows control of the pressure ap... | 08/05/2008 |
| 7398886 | Press for dewatering a humid substance, in particular residual refuse A press for the dehumidification of humid matter, in particular of residual waste is disclosed, which comprises a worm gear whereby the residual waste may be compressed mechanically. During transport with the aid of the worm gear, the humid matter is subjected to a ... | 07/15/2008 |
| 7047665 | Method and apparatus for drying industrial hides A method for the Continuous gradual stretching and drying of industrial hides and similar products comprises at least one step (a) involving the initial partial drying of the completely wetted hides supplied following a treatment with liquids, such as tanning, retan... | 05/23/2006 |
| 7001512 | Closed loop processing system for waste and crops A process for treating waste products discharged in a waste water from an animal operation, such as a swine confinement facility includes a holding tank for receiving waste water from the flushing of the facility in which solids to accumulate at the bottom thereof; ... | 02/21/2006 |
| 6857201 | Method for treating and drying of wood Object for the invention is a method for treatment and drying of wood, in which at the first phase wood is warmed up over to the temperature close of the boiling point of water, and wood is compressed with a variable pressure between moisture permeable pressing elem... | 02/22/2005 |
| 6769198 | Conditioning device to change the moisture content of printing stock A conditioning device to change the moisture content of printing stock, in which the stock is brought into contact with at least one endless cloth that absorbs moisture. The endless cloth is heated by heated transport rolls. A reduction of the moisture content contr... | 08/03/2004 |
| 6578285 | Device for removing grease from the surface of a food item A device for absorbing or blotting grease from the surface of foods such as pizza comprising a support member having a handle for manually gripping the device and an absorbent or oligiophilic pad attached to such support member for blotting the surface of... | 06/17/2003 |
| 6565709 | Process for producing dimensionally stable release liner and product produced thereof A method of producing dimensionally stable paper and/or paperboard products by treating a hygroreactive cellulosic fiber matrix with a hydrophobic sizing agent solution; and drying the treated fibers using heat and/or pressure so that the hydrophobic sizi... | 05/20/2003 |
| 6553688 | Method for producing a piece of timber including heartwood A method for making wood with heartwood has steps of forming a wood log with a heartwood from a tree, pressure treatment to the wood log with the heartwood, drying the wood log and forming the wood log to a desired shape. The pressure treatment process is... | 04/29/2003 |
| 6502326 | Method and apparatus for dewatering fiber cells A method and apparatus for reducing the moisture content bound by capillarity in fiber cells of solid materials containing carbon. The material is ground and screened to form a loose sheet of the solid materials and/or sludges. The material is processed b... | 01/07/2003 |
| 6447643 | Method of producing a wetlaid thermobonded web-shaped fibrous material and material produced by the method Method of producing an impulse dried wetlaid fibrous web-shaped material, such as paper or non-woven, having a three-dimensional pattern of alternating raised and recessed portions, which have been provided in connection with impulse drying, at which the ... | 09/10/2002 |
| 6444089 | Method of producing a paper having a three-dimensional pattern and paper produced by the method Method of producing a paper having a three-dimensional pattern of alternating raised and recessed portions which is given the paper in connection with impulse drying. The paper web has a varying material composition as seen in its thickness direction, so ... | 09/03/2002 |
| 6393728 | Method and apparatus for drying pulp A fiber containing pulp, such as chemical pulp, mechanical pulp, thermomechanical pulp, TMP, de-inked water, or fiber containing sludge, is dried in an effective and efficient manner. The wet pulp is first dewatered mechanically, such as by using a drum o... | 05/28/2002 |
| 6387282 | Method of drying a filter cake and a press for carrying out the method The filter cake in a filter press is heated by direct contact with a heating plate opposite the pressing membrane so that a vapor phase is generated which moves uniformly in a planar pressure front through the filter cake to dry residual liquid therefrom.... | 05/14/2002 |
| 6344110 | Method of producing a paper having a three-dimensional pattern A process for producing paper having a three-dimensional structure of alternating raised and recessed portions including passing a wet paper web through a heated press nip so the paper web is simultaneously dried by means of impulse drying and given a thr... | 02/05/2002 |
| 6237245 | Microwave flower press A device for pressing and drying organic materials in a microwave oven. The organic material is inserted between two sheets of thin cloth which are, in turn, sandwiched between two thick felt pads. These pads are then sandwiched between platens made from ... | 05/29/2001 |
| 6173507 | Arrangement and operation of improved dryer between shrinkage compactors to control residual shrinkage of wet knitted web to below that produced by tumble drying Apparatus and a related method control within acceptable limits, of less than two percent (2%), residual shrinkage in garments to be made from a knitted fabric web or other fabrics subject to high shrinkage. The knitted fabric web is passed continuously i... | 01/16/2001 |
| 6167637 | Dehydrating method and hydroextractor The hydroextractor disclosed has a dehydration chamber, a pressurization chamber defined by a flexible diaphragm in isolation from the dehydration chamber, and a crushing member disposed in the dehydration chamber. A pipe member extends through the pressu... | 01/02/2001 |
| 6076279 | Method and a device for improving liquid removal A method and press for heating a material to be pressed. The method includes prepressing the material without heat, or with a generally minimal amount of heat applied. Then heating the material heavily at a wettest part of the material, and simultaneously... | 06/20/2000 |
| 6006442 | Methods for dewatering solid-liquid matrices The present invention provides novel processes for the dewatering of a wide variety of solid-liquid matrices, including primary and secondary sludge, which involve the simultaneous application of pressure and heat to the solid-liquid matrices.... | 12/28/1999 |
| 5992043 | Method for treating wood at the glass transition temperature thereof A wood treatment method wherein a piece of wood to be treated is heat treated at high temperature for a predetermined time. According to the method, the piece of wood is heated to its glass transition temperature (Tg) prior to the heat treatment, and main... | 11/30/1999 |
| 5887514 | Method, filter press and control device for reducing the water content of solid materials and/or sludges The invention relates to a method, a press, and a control device for reducing the capillary-bound water content in fiber cells of carbon-containing, finely comminuted solid materials and/or sludges. The method according to the invention includes rapidly r... | 03/30/1999 |
| 5862612 | Method and system for dewatering carboniferous materials using a vaportight pressure chamber Water content which is bound by capillarity in fiber cells of carboniferous materials is reduced by a thermomechanical dewatering process. In the process, the carboniferous materials are conveyed by a dispersion box into a pressure chamber including upper... | 01/26/1999 |
| 5862746 | Apparatus for reducing the water content of water-containing brown coal Apparatus for reducing the water content of water-containing, granular brown coal under the action of thermal energy and pressure on the material (14) distributed flat in bed form using a press (9, 10) in which the brown coal is subjected to a mechanicall... | 01/26/1999 |
| 5736007 | Method of liquor removal from particulate solids Liquor removal from particulate solids such as wet wood pulp is achieved by applying a pneumatic or vapor pressure force through a pad of the wood pulp to compress the solids and to expel liquor from the solids. If air is used as a displacing medium, no w... | 04/07/1998 |
| 5718059 | Methods for dewatering solid-liquid matrices The present invention provides novel processes for the dewatering of a wide variety of solid-liquid matrices, including primary and secondary sludge, which involve the simultaneous application of pressure and heat to the solid-liquid matrices.... | 02/17/1998 |
| 5669159 | Method and apparatus for drying a fiber web at elevated ambient pressures A method and apparatus for drying a fiber web is provided by pressing the web, preferably by impulse drying and then introducing the web into a gas pressurized zone followed by reducing the pressure in the zone, the reduction preferably being effected wit... | 09/23/1997 |
| 5598642 | Method and apparatus for drying a fiber web at elevated ambient pressures A method and apparatus for drying a fiber web is provided by pressing the web, preferably by impulse drying and then introducing the web into a gas pressurized zone followed by reducing the pressure in the zone, the reduction preferably being effected wit... | 02/04/1997 |
| 5564199 | Method and apparatus for drying wood plates using hot plates Wood plates are dried by inserting the wood plates into respective spaces between a plurality of hot plates layered in steps. The wood plates are held, pressed and heat dried by and between the hot plates. A portion of spaces between the hot plates can be... | 10/15/1996 |
| 5560410 | Veneer drying apparatus and method A system (10) for processing veneer is provided. The system (10) includes a compression apparatus (12) having a first set of rollers (20) turning at a first rate and has a first clearance (96) therebetween, and a second set of rollers (22) turning at a se... | 10/01/1996 |
| 5460085 | Process for compacting waste materials Process for compacting and removing liquid from liquid containing waste materials including the steps of feeding the waste materials into compaction chambers, simultaneously compressing and heating the waste materials inside the compaction chambers, and r... | 10/24/1995 |
| 5426864 | Vacuum belt press dryer A belt dryer for dewatering fine particle suspensions includes a continuous conveyor belt with a slotted vacuum pipe disposed beneath a dewatering station, a support below the conveyor belt adjacent the dewatering station immediately downstream of the slo... | 06/27/1995 |
| 5377423 | Sludge dehydrating press and method for treating sludge A sludge dehydrating press includes a container in which sludge to be treated is filled, a press unit for pressing sludge filled in the container, one or more screen cases disposed at positions in the container where water can be extracted from the sludge... | 01/03/1995 |
| 5131169 | Vacuum-assisted rapid fabric dryer and method for rapidly drying fabrics A vacuum-assisted drying apparatus and method are provided for rapidly drying fabrics. A rotatable drum is enclosed in a nearly hermetic region. A valve is attached to an inlet of the region; a compressor is attached to an exit of the region. With the val... | 07/21/1992 |
| 5029403 | Post treatment plant for plastic granules A compact plant for the post-treatment of wet plastic granules in which a rotatable or longitudinally displaceable conveyor-separator is movable between positions in which the wet granules are selectively dewatered or diverted from flowing to a dryer. A w... | 07/09/1991 |
| 5012593 | Device for removing water droplets A device for removing water droplets comprises a plate-like member disposed vibratably, a vibrator bonded to the rear face of the plate-like member and oscillation means for vibrating the vibrator at a predetermined frequency, wherein the thickness and/or... | 05/07/1991 |
| 4943402 | Process for removing chloroprene dimers from polychloroprene Removing chloroprene dimers from polychloroprene by feeding to a screw extruder a polychloroprene latex and coagulating the latex in the extruder, feeding the coagulated latex to a dewatering zone and discharging the coagulated polychloroprene through a f... | 07/24/1990 |
| 4707370 | Food dehydration process A method for preparing dehydrated and low moisture foods, such as fruits, vegetables and spices, is disclosed. The foodstuff is first pressed to remove a substantial amount of its less tightly bound water, then contacted with an absorbent, if desired whil... | 11/17/1987 |
| 4575949 | Press for pressing batches of articles dry The press for pressing batches of articles dry, especially batches of laundry, has a pressure vessel (10) at the pressing station, the orifice of which can be closed by a counterplate (18), and a receiving vessel (4) for receiving the batch of articles at... | 03/18/1986 |
