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WO/1999/022855A1 |
The invention relates to a method for cooling and atomizing liquid or paste-like substances or mixtures of substances. According to said method, a liquid or paste-like substance/substance mixture is mixed with liquid or supercritical car...
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WO/1999/021632A1 |
The invention relates to a method for recovering and drying a solid contained in a pumpable liquid. In a first treatment section, the liquid is fed continuously or in a batch-by-batch manner with an addition rate to a device provided for...
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WO1999015324B1 |
A low pressure dryer for granular or powdery material includes a plurality of hoppers (12) rotatable about a common vertical axis (24) serially among material filling and heating (100), vacuum drying (102) and material discharge position...
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WO/1999/018402A1 |
Apparatus and methods are disclosed for lyophilization of protein and/or pharmaceutical products, wherein said apparatus utilizes a dry vacuum pump for the direct removal of water vapor, rather than a cold trap condenser. A freeze dryer ...
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WO/1999/018401A1 |
According to the invention, wood is dielectrically heated in a vacuum chamber by a high frequency field which penetrates said wood. The vacuum chamber and all of the parts located in said chamber are kept at a higher temperature than tha...
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WO/1999/018403A1 |
A dryer (10) for use with chemical compounds employs controlled vacuum, elevated temperature, and dry inert gas to dry the chemical compounds. The dryer includes a vacuum chamber into which trays (20) containing compounds are placed. The...
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WO/1999/015845A1 |
A system (11) for drying and/or cleaning a workpiece (17A), such as an electronic part, semiconductor wafer, printed circuit board or the like. As the workpiece is withdrawn from a processing or rinsing liquid (13), a selected drying and...
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WO/1999/009363A1 |
An improved apparatus, and related method of operation, is described for rapidly drying large monoliths of glass, ceramic and/or composite material, under subcritical conditions, while minimizing the risk of cracking the monolith during ...
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WO/1999/008058A1 |
The invention relates to a vacuum drying device. Said device has a sealed housing (3) into which bulk material or a liquid can be fed, via an input opening (1). The dried material or the residual distillation liquid is able to leave the ...
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WO/1999/008057A2 |
A drying apparatus (20) for removing residual liquid from a substrate surface comprises a vapor chamber (25) having a vapor distributor (30) for introducing vapor into the chamber. The drying apparatus (20) further comprises a fluid syst...
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WO/1998/053143A1 |
The invention relates to a method for drying paper, in particular whole books. This drying method can, however, also be applied to other absorbent and, in particular, organic materials, especially layered materials. The invention seeks t...
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WO/1998/051980A1 |
A system (50) for the processing of materials includes a freezing section (52) and a thawing section (54), with elongated channels extending through both sections (52, 54), and gates between the sections (52, 54) and at the output of the...
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WO/1998/051139A2 |
A system and a method for reducing the level of moisture of fluent materials or wet solid materials, characterized in that the material to be treated is provided in a particle form and then exposed to a relatively high volumetric flow of...
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WO/1998/050744A1 |
The invention relates to a method for controlling a freeze drying process, wherein a frozen product is arranged on temperable surfaces in an air-evacuated chamber (1) and undergoes a main drying and after-drying phase. During the main dr...
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WO/1998/047543A1 |
A process for selectively dehydrating organic matter, and at the same time eliminating insects, larvae and insect eggs that are carried by the organic matter is provided. This process leaves the product free of all toxic chemicals. The p...
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WO/1998/045059A1 |
The invention relates to a device and method for cleaning and drying work pieces in a treatment vessel (1) in which it is possible to produce a negative pressure. During the cleaning process, a liquid bath (50) is formed in the treatment...
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WO/1998/037371A1 |
In the method for drying an object, e.g. timber or reindeer meat, low-pressure gas mixture, which essentially consists of nitrogen and water vapour, is circulated (207) effectively via the space (202) surrounding the object (203). The me...
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WO/1998/035756A1 |
Apparatus for processing a material comprising a cyclone chamber (70); an impeller suction fan (71) for creating a cyclonic air stream within the cyclone chamber (70), the fan (71) having an inlet (14) and an outlet for passage of the ai...
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WO/1998/026244A1 |
A vacuum rotary dryer capable of charging solids into a rotary drum and discharging the solids from the rotary drum without the need of touching the solids. Mounted to the rotary drum (23) are a gas communication pipe (46) and a solid su...
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WO/1998/022230A1 |
A spinning device that prevents the mist formed during the processing on a work from adhering to the work. The device includes a cup body having a lower cup and an upper cup vertically movable toward and away from the lower cup; a rotati...
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WO/1998/019123A1 |
A heat and/or mass transfer process in which a gas is caused to impinge upon a flowing material, the gas velocity having a component tangential to the flow direction of the material such that a fluctuating velocity is superimposed upon t...
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WO/1998/012490A1 |
A process is described whereby wet coal may be dehydrated and inhibited against rehydration by immersing in a bath of molten paraffin hydrocarbon (14) for a sufficient period of time to evaporate and expel inherent water from the coal. T...
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WO/1998/009920A1 |
The invention relates to a method of the continuous dehydration of sludge wherein, prior to dehydration, water is mechanically removed from the sludge and the thus obtained sludge of cutting consistency is mixed with heated spheres. Acco...
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WO/1998/008040A1 |
This invention concerns a device (1) for the intermittent dispensing of an agent for treating surfaces which has a rectangular frame. One or more units (12) dispensing jets of agent are vertically mounted in a hanging position at one sid...
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WO/1998/007011A1 |
A load measuring apparatus for monitoring the weight of a sample during freeze drying is provided together with a method of determining the weight loss of a sample to be freeze dried using the load measuring apparatus. The apparatus comp...
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WO/1998/005912A1 |
The operation of dewatering and drying devices which consist of a dewatering centrifuge and a concentrically arranged spray drier may be disturbed by leaks between the drier housing and the centrifuge or by deposits and encrustation of s...
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WO/1998/004365A1 |
A method of cleaning polyurethane foams where the material is transported through a wash station while alternately soaking the polyurethane foam in an organic solvent and squeezing the solvent from the polyurethane foam a number of times...
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WO/1998/002240A1 |
A method of preserving sensitive biological dispersions, suspensions, emulsions and solutions by forming stable foams from fluid materials to be dehydrated, as an aid both to the drying of one or more biologically active substrates in th...
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WO/1998/001583A1 |
A thermal compression plant with heat recovery for vacuum dryers of industrial leathers and similar products with one or more drying chambers (4) each one composed of a heated table (2), on which the products to be dried are laid, and a ...
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WO/1997/046358A1 |
A method of drying wood, which can dry wood in a short period of time without the generation of crack, and a method of subjecting wood to impregnative treatment, which can have an impregnant permeate deep into wood at low cost. The metho...
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WO/1997/041290A2 |
There is provided an improved centrifugal dryer (10) that includes a motor section (16) or portion, a dryer section (14) or portion disposed therebelow, and a reservoir section (12) or portion disposed below the dryer portion, the dryer ...
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WO/1997/040714A1 |
The invention relates to a device (1) for transporting products such as leafed vegetables, said device (1) comprising: an entrance (13) for products; an exit (14) for products; one or more transporters (4) for transporting the products b...
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WO/1997/039839A1 |
For washing, flushing and drying objects, such as catering carts (23, 24), for use when transporting meals to and from a kitchen to an aircraft, the catering carts are placed inside a cage (4) which is arranged in a washer, in which wash...
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WO/1997/038812A1 |
Metal powder, particularly iron/steel powder with low oxygen content, is atomized in an oxygen-free atmosphere by means of a hydrocarbon in liquid form such as paraffin, and the moist powder, still hot (60-80 �C), is transferred to a c...
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WO/1997/035059A1 |
The method comprises several stages involving stoppage of the article in as many chambers (5) as there are stages, in which chambers a vacuum and, optionally, a limited amount of heating are produced. The plant comprises a carousel rotor...
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WO/1997/033702A1 |
Method and apparatus for drying and cleaning objects (13A, 13B, 13C) that may have been wetted or contaminated in a manufacturing process. The objects are submerged in a rinse liquid (27) in an enclosed chamber (11), and aerosol particle...
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WO/1997/023232A1 |
A process is disclosed for sterilising drugs in a vacuum drying system with a stirring mechanism with several branches under a reduced pressure, so that the active substances are retained and practically all toxic mould fungi are destroyed.
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WO/1997/020181A1 |
In order to lyophilize biological and medical materials under sterile conditions, a closable, internally sterilized conveying container (1) is charged with the material to be lyophilized and is sealed inside a disinfected or sterilized c...
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WO/1997/017265A1 |
An improved vented vial stopper (12) for use in processing freeze-dried products is provided. The stopper includes a vent passageway (16) that is covered with a waterproof and moisture vapor permeable membrane (14) to allow the venting o...
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WO/1997/016689A1 |
A steam recompression type vacuum drying apparatus comprises a vacuum tank (1) containing therein wastes, a steam compressor (2), a steam condenser (3) thermally connected to the tank (1), non-condensing gas discharging means (4) for spo...
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WO/1997/015288A2 |
The invention concerns a method of producing dry partially amorphous products containing biological, in particular therapeutically active, material, the products comprising macroscopically homogeneous substance mixtures. The substance mi...
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WO/1997/013676A1 |
A device including at least one backing sheet made of a stretchable water-proof material, a water absorbing and retaining substance provided on one side of the backing sheet, and adhesive means for holding the backing sheet and the absor...
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WO/1997/013417A1 |
A method whereby a food is sterilized and dewatered within a short time to thereby sustain its taste for a long time. Ethanol is sprayed onto the food while pressurizing by feeding nitrogen gas into a dryer wherein the pressure has been ...
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WO/1997/013728A1 |
A mesh enclosed container (78) is provided to remove melt water from frozen blocks (10) of contaminated sediment which has been extracted from a marine environment. The mesh enclosure (40) has a number of porous wicking tubes for inserti...
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WO/1997/013725A1 |
A method for processing sewage eliminates chemical "treatment", or, the addition of chemicals that are as harmful or more so to the environment than raw sewage. The method of processing sewage disintegrates the generally solid components...
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WO/1997/012656A1 |
Small, wet particulate material is effectively dried by adding a hydrophobizing agent to coat the surfaces of the particulates, and then mechanically removing water droplets from the surfaces of the particulates. Once on the surface of t...
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WO/1997/012392A1 |
A process for cleaning and drying a semiconductor is provided together with safely handleable equipment therefor permitting excellent cleaning and drying in a shorter time, which process comprises the step of putting a semiconductor subs...
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WO/1997/011155A1 |
A container suitable for high speed centrifugation is provided with a cap carrying a microbe-impermeable filter means. The filter means permits gas flow into and out of the container but prevents microbes from entering the container. A m...
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WO/1997/008503A1 |
A sealed, gas-permeable packaging assembly in which one or more open flasks (2) containing a product (3) to be freeze-dried are received is characterised in that the packaging has a portion (7) for stiffening said assembly, a lid with at...
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WO/1997/000412A1 |
The invention concerns a method and device for drying sawn timber (5) stacked on spacing battens, or other hygroscopic panel- or stick-shaped articles, at reduced pressure in a vacuum-tight drying chamber (9) provided with fans (13) whic...
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