Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


FORMING ARTICLES BY UNITING RANDOMLY ASSOCIATED PARTICLES

Subclass of:

264 - Plastic and nonmetallic article shaping or treating: processes

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
264115000 With liberating or forming of particles 33
264112000 Stratified or layered articles 24
264128000 Liquid binder applied subsequent to particle assembly 18
264119000 With reshaping or surface embossing of formed article 15
264117000 Agitating to form larger particles (i.e., accretion or agglomeration) 12
264122000 Utilizing diverse solid particles 11
264118000 With subsequent cutting, grooving, breaking, or comminuting 9
264123000 Autogenously or by activation of dry coated particles 7
264120000 Plural, intermittent pressure applying 5
20110031642PRESSED POWDER ELEMENTS - Method for producing a pressed powder element, wherein the method comprises pre-pressing of loose powder to a first powder blank (02-10-2011
20090321980Method and Apparatus for Producing a Coal Cake for Coking - The invention rates to a method and apparatus for producing a coal cake for coking, in which a bed (12-31-2009
20120161354METHOD AND APPARATUS FOR COMPRESSING PARTICULATE MATTER - A compression molding apparatus for particulate matter comprising a magnetostrictive actuator functioning as an impact force applying means arranged at least between an upper ram or a lower ram and an upper punch or a lower punch. Particulate matter is compressed by a static pressure, and then an impact force is applied to the particulate matter to reduce internal stress. After compressing the particulate matter by the static pressure, the upper ram is allowed to fall gravitationally to shorten a molding time.06-28-2012
20120326351Method of reconstructing rubber from crumb rubber and making composite materials therefrom - A method for reconstructing rubber from crumb rubber includes mixing the crumb rubber with a binder of either urethane or sodium silicate, applying pressure to the mixture until the crumb rubber is flowable and molding the flowable rubber.12-27-2012
20120043685POWDER PARTICLE SHAPING DEVICE AND METHOD - A powder particle shaping device is provided, which includes a closed cavity capable of changing between multiple shapes as an external pressure changes, and the closed cavity compresses and moves powder particles with which the closed cavity is filled full while the shape changes. A powder particle shaping method is further provided, which includes a. filling a closed cavity full with powder particles to be shaped; and b. applying a varying external pressure to the closed cavity, such that the closed cavity changes repeatedly between multiple shapes, thereby making the powder particles under compression move and be subject to friction. The shaping device and method according to present invention have highly controllable shaping processing intensity of powder particles and stable processing strength, and thus are applicable to shaping and pulverization of various powder particles, and also applicable to pulverization and further shaping processing of dispersed agglomerates.02-23-2012
264121000 Projecting particles in a moving gas stream 3
20110147979METHOD FOR PURIFICATION AND COMPACTION OF FEEDSTOCK FOR PHOTOVOLTAIC APPLICATIONS - Process for the re-use of silicon powder recovered from band saws and other silicon mechanical operations, as feed material to prepare the crucible charges for casting of polycrystalline-multicrystalline silicon ingots usable for photovoltaic applications. The process is multisteps in which most of the operations are carried out under inert atmosphere.06-23-2011
20110140298METHOD AND APPARATUS OR DRY GRANULATION - The invention provides, inter alia, a method for producing granules from a powder, characterized in that compaction force is applied to the powder to produce a compacted mass comprising a mixture of fine particles and granules and separating and removing fine particles and/or small granules from the other granules by entraining the fine particles and/or small granules in a gas stream. Also provided are apparatus for use in the process and tablets formed by compression of the resultant granules.06-16-2011
20130207296PROCESS FOR MANUFACTURING PELLETS AND PELLETS OBTAINED BY THE PROCESS - The invention relates to a process for manufacturing pellets from wet biomass residues having a high water content of between 25% and 80% comprising the steps of a) charging the homogenate of wet biomass residues into a receptacle, b) drying the wet biomass residues in a dryer and c) converting the dry biomass residues in a pelleting press comprising a steel die pierced with holes and a steel rotor comprising notched wheels made of steel, in order to obtain the pellets, said process comprising/being characterized in that a step of drying the wet biomass residues is carried out at the same time as the pellet-conversion step at a temperature between 65° C. and 95° C. in a pelleting press coupled, in a closed circuit, to a dryer with air/air exchange comprising a pelleting press/dryer communication by-pass. The invention also relates to the pellets of plant or wood origin obtained by the process described and having a compaction of greater than 750 kg/m08-15-2013
264114000 Utilizing centrifugal force 2
20100176530MOLD FOR PRODUCING SILICA CRUCIBLE - In a mold for use in the production of a silica crucible, a mold cover corresponding to a small-diameter thinned portion of an upper part of the silica crucible is detachably disposed on a mold substrate corresponding to a main body of the silica crucible, and the mold cover has a barrier function against arc heating, and an inner diameter of the mold cover is smaller than that of the mold substrate but larger than that of the silica crucible.07-15-2010
20080308962METHOD OF MANUFACTURING AN INTERMEDIATE TRANSFER BELT - A method for making an intermediate transfer belt includes transferring a mixture of a solution of a thermosetting resin and a particulate electroconductive material into a centrifugal mold; rotating the centrifugal mold to form a film attached to an inner periphery thereof; thermally imidizing the film to have an imidization ratio not greater than 98%; and drawing the film to entirely harden the film and to form the intermediate transfer belt.12-18-2008
Entries
DocumentTitleDate
20110018159APPARATUS AND METHOD FOR COMPACTION OF SILICON POWDER - An apparatus is provided for compaction of silicon powder in a reactor to minimise oxidation of the silicon, which compaction is in part effected by using the drop in pressure across a filter for exit gases from the reactor, the silicon powder being passed along a duct towards an exit of a reactor. The compaction is in addition carried out mechanically with the aid of a piston arranged at a gas exit, the filter advantageously being arranged on the piston, the filter being permeable to the gases, but collecting the powder. A method is also provided for compaction of silicon powder using an apparatus as described above.01-27-2011
20090096123Manufacturing process and apparatus - A manufacturing process that comprises placing an article within a particulate medium (04-16-2009
20110187015System and method for uniaxial compression of an article, such as a three dimensionally printed dosage form - A uniaxially compressed dosage form manufactured by three-dimensional printing that preserves the predetermined internal architecture of the dosage form while producing an improved surface finish. The compression compacts the dosage form, eliminating at least some of the void space that remains at the end of conventional three-dimensional printing. Surface finish obtained as a result of the uniaxial compression process can be essentially equal to that obtained from conventional tablet pressing. Additionally, the internal structure or spatial variation of composition of the dosage form is preserved during the pressing operation, with geometric shrinkage occurring mostly in the direction of the axis of pressing. Further, as a result of compression, a greater quantity of API can be packed into a given final volume of dosage form.08-04-2011
20110062618Collapsible Nested Container - A collapsible container comprising detachable nested sections. The nested sections are tapered and coaxially disposed. Nested sections can be disposed within the largest section in its collapsed position. In its expanded position, the lower portion of a section engages with the top portion of the section immediately below the upper section to mechanically lock the sections into its expanded formation, such that the container is self supporting. The sections are detachable, and when overturned and removed, can be used as a mold for creating parts of a sand castle. The removed sections can be joined in sequence to other removed section to vary the volume of sand being molded. The sides of each section comprise decorative molding shapes or patterns for creating parts of a sand castle. The bottom surface of the mold further comprises mold shapes for creating part of a sand castle when overturned.03-17-2011
20090295013METHOD AND APPARATUS FOR MANUFACTURING PLASTIC PRODUCTS - A method for manufacturing plastic products, wherein a mold is used having at least one mold cavity with internally moving parts, which moving parts are brought at least partly in a retracted position, wherein plastic granules, in particular powder or a mixture of powder and granules, are introduced into the mold and at least one said moving part is moved in the mold cavity, preferably subsequently, such that the granules, in particular the powder or mixture, are compressed at least partly and melt at least partly.12-03-2009
20090267257PRESSING APPARATUS AND PRESSING METHOD FOR THE ISOSTATIC PRESSING OF A MEMBER - The invention relates to a pressing device, respectively to a corresponding pressing method, for isostatic pressing of a body (10-29-2009
20090140450Fabrics Made from a Blend of Polypyridobisimidazole/Flame-Retardant Treated Cellulose Fibers and Articles Made Therefrom - The invention concerns flame retardant fabrics made from mixtures of polypyridobisimidazole fibers with cellulose fibers that have been treated to make them flame retardant and articles made therefrom.06-04-2009
20090115090SYSTEM AND METHOD FOR OPTIMIZING TABLET FORMATION BY A ROTARY PRESS MACHINE - Rotary press machine including dies, pairs of upper and lower punches with a part of each lower punch being movable in a respective die to selectively enable formation of a cavity in the die, a feeding system for feeding powder material into the cavities, when present, in a feeding stage, a pressing system for pressing the upper and lower punches together in a pressing stage and a tablet ejection system for ejecting formed tablets from the dies in a tablet ejection stage. The upper and lower punches are rotated sequentially through the feeding stage, the pressing stage and the tablet ejection stage to thereby enable formation of tablets if powder material is feed into the cavities in the dies. To enable selective formation of tablets and thereby optimize production thereof, an adjustment mechanism is provided and enables selective formation of the cavities in the dies.05-07-2009
20110024937Tablet Formation System for Fully-Loaded Presses - Rotary press machine including dies, pairs of upper and lower punches with a part of each lower punch being movable in a respective die to selectively enable formation of a cavity in the die, a feeding system for feeding powder material into the cavities, when present, in a feeding stage, a pressing system for pressing the upper and lower punches together in a pressing stage and a tablet ejection system for ejecting formed tablets from the dies in a tablet ejection stage. The upper and lower punches are rotated sequentially through the feeding stage, the pressing stage, and the tablet ejection stage to thereby enable formation of tablets if powder material is feed into the cavities in the dies. To enable selective formation of tablets and thereby optimize production thereof, an adjustment mechanism is provided and enables selective formation of the cavities in the dies. The adjustment mechanism may comprise removeable rings attached to at least one, or to a plurality of lower punches, which rings are selectively engaged by the adjustment mechanism.02-03-2011
20100181694Device and Method for Manufacturing End Mill - A device and a method for manufacturing an end mill in which the amount of grinding of a blank end mill is small. The device for manufacturing an end mill includes: upper and lower punches; a die; a feed box for supplying a powder of material for the end mill; and a cleaner for eliminating the powder from a top surface of the die. The upper and lower punches are movable up and down relative to each other and have a lengthwise molding cavity formed thereon. The die has a penetrating slit sized to be approximated to the width of the upper and lower punches. The penetrating slit allows the up-and-down movements of the upper and lower punches. The feed box supplies the powder into a space formed by the wall of the penetrating slit and the lower punch.07-22-2010
20110068500MOLD DESIGN AND POWDER MOLDING PROCESS - Provided are molds comprising a substantially concave portion, and a cap portion that is configured for removable attachment to the substantially concave portion and comprises a mandrel formed from a substantially rigid material, wherein the cap portion and the substantially concave portion, when attached, define an internal space having a three-dimensional shape. Among other benefits, the disclosed devices and methods of using such devices provide more uniform and repeatable compaction than conventional molds, and can be used to produce compacted structures having more dimensionally accurate and repeatable surface features, thereby yielding a better, more optimal near net shaped part.03-24-2011
20110187016RAPID LOW-COST MANUFACTURE OF TABLETS USING DISPOSABLE EQUIPMENT - A tablet-pressing apparatus comprising i) a hopper (08-04-2011
20110316184Powder Slush Molding Machine and Powder Slush Molding Method - To provide a powder slush molding apparatus and a powder slush molding method that could quickly and stably produce a 2-color molded sheet-like article with high-durability and the like.12-29-2011
20100237530COMPRESSED PREPARATION09-23-2010
20110012283ROTARY TABLET PRESS - A rotary tablet press comprises a housing and a rotary die table having dies arranged circumferentially. Each die is associated with a punch having an end receivable in the die and being arranged for compression of a powder or granular material in the die by reciprocation of the punch by rotation of the die table. The rotary tablet press comprises a feeding device and a tablet discharge device. Each die opening and its corresponding punch end are enclosed in a compression chamber comprising a dust extraction nozzle. The compression chamber communicates with the surroundings of the tablet press through a non-return valve arranged to prevent outflow from the compression chamber to the surroundings of the tablet press.01-20-2011
20120211914PELLET MILL - A pellet mill is disclosed having a ring die and a powered extrusion roll with external bearings. The ring die may be powered or free rotating. Pressure and temperature at the pinch gap between the die and roll may be monitored and the mill rotation drives and the pinch gap size may be adjusted during operation. The operational parameters may be monitored and controlled by a computer based system in real time.08-23-2012
20110180951FIBER STRUCTURES AND PROCESS FOR THEIR PREPARATION - There is provided a process of preparing at least one fiber structure comprising: (a) contacting at least one viscous material with at least one non-solvent, the non-solvent having a first flow rate; and (b) allowing formation of the fiber structure in the presence of the non-solvent at a second flow rate, wherein the second flow rate is less than the first flow rate or is about zero. There is provided a process of preparing at least one fiber structure, wherein the fiber structure is a fiber scaffold, comprising: (a) contacting at least one viscous material with at least one non-solvent, the non-solvent having a first flow rate; and (b) obtaining at least one fiber and assembling the obtained fiber(s), or allowing the obtained fiber(s) to be assembled, in the form of a fiber scaffold. There is also provided a fiber structure obtainable by any process according to the invention and an apparatus for preparing a fiber structure.07-28-2011
20110198773POLY(ARYLENE ETHER) COMPRESSION MOLDING - A method for compression molding of poly(arylene ether) powder comprises introducing a powder comprising unheated poly(arylene ether) powder to compaction equipment comprising a compression mold and subjecting the powder in the compression mold to a pressure sufficient to produce an article having a density greater than the unheated poly(arylene ether) powder wherein the pressure is applied at a temperature less than the glass transition temperature of the poly(arylene ether) powder.08-18-2011
20080296797Particle blasting method and apparatus therefor - A block former comprises a portable device for compression forming of carbon dioxide particles into a non-homogenous block of carbon dioxide. The formed non-homogenous block can be used with carbon dioxide blasters that shave the formed block, and then eject the carbon dioxide shavings into a pneumatic jet as a blast media for cleaning surfaces. The block former further comprises a control system comprising a logic system of switches, valves, and timers to perform a timed sequence of events to form loose carbon dioxide particles into a non-homogenous block, to release compression on the block, and to eject the formed block from the block former. A single compression surface is provided to compress the carbon dioxide particles block, to release pressure on the block, and to eject the block from the block former device. The carbon dioxide particles used to form the non-homogeneous block can vary in size from snow to chunks or pellets.12-04-2008
20120091617Method for making briquettes from comminuted straw and a device to produce briquettes - The subject of the invention is a method for the manufacture of briquettes from comminuted straw, as well as a device to manufacture briquettes from comminuted straw. The method consists in that comminuted straw is compressed in a continuous process using a screw-type extruder until the material reaches a temperature at which the material after pressing solidifies to a density exceeding 1.3 g/cm 3. The device has a screw (04-19-2012
20120091616STOPPERS OF COMPOSITE CORK MATERIAL FOR SPARKLING WINES AND THE PROCESS FOR THEIR PRODUCTION - Stoppers made from composite material for sparkling wines consisting of two types of cork agglomerate which are closely bonded and produced from two ranges of granulates of different granulometry, where the joining surface between the two agglomerates is irregular due to their interpenetration. A production process of such stoppers by individual moulding (piece by piece), where there is simultaneous feeding of two types of granulate and respective additives into a mould. The mould is then closed and the material compressed and heated for an appropriate time for polymerisation. The granulates used are normally treated with a reactive agglomerant consisting of, for example, quasi-prepolymer based on TDI or quasi-prepolymer based on MDI base. After de-moulding, the unfinished stopper is stabilised, and later machined to the final dimensions.04-19-2012
20080246175Composite Barrel Sections for Aircraft Fuselages and Other Structures, and Methods for Systems for Manufacturing Such Barrel Sections - Composite sections for aircraft fuselages and methods and systems for manufacturing such sections are disclosed herein. A composite section configured in accordance with one embodiment of the invention includes a skin and at least first and second stiffeners. The skin can include a plurality of unidirectional fibers forming a continuous surface extending 360 degrees about an axis. The first stiffener can include a first flange portion bonded to an interior surface of the skin and a first raised portion projecting inwardly and away from the interior surface of the skin. The second stiffener can include a second flange portion bonded to the interior surface of the skin and a second raised portion projecting inwardly and away from the interior surface of the skin. A method for manufacturing a section of a fuselage in accordance with one embodiment of the invention includes positioning a plurality of uncured stiffeners on a mandrel assembly. The method can further include applying a plurality of fiber tows around the plurality of uncured stiffeners on the mandrel assembly.10-09-2008
20080224344Method of making a cemented carbide body - The present invention relates to a method of making a cemented carbide body.09-18-2008
20080197525Apparatus and Method for Supplying Powder Quantitatively and Material Supplying Apparatus Including the Apparatus for Supplying Powder - Provided are an apparatus and method for supplying powder quantitatively and a material supply apparatus including the apparatus for supplying powder quantitatively. The apparatus for supplying powder quantitatively to a place where required includes: a driving part generating a driving force using an external power; a powder supply part connected to the driving part, following the operation of the driving part, and transferring the powder according to a predetermined path; a chamber placed on the sides of the powder supply part and receiving the powder transferred by the powder supply part; a compression part compressing the transferred powder in the chamber; and a quantitative supply part separating a desired amount of powder from the compressed powder and discharging the separated powder from the chamber. The method of supplying powder quantitatively to a place where required includes: a preparation operation of receiving powder and preparing for the transfer of the powder; a powder transfer operation of transferring the powder to a chamber having a predetermined volume according to a predetermined path using a powder supply part that is driven by an external power and transfers the powder; a compressing operation of making the compressed bulk of powder by compressing the transferred powder in a compression part of the chamber; a separating operation of separating a desired amount of powder from the powder that is compressed and bridged in the chamber using a separating means; and a discharge operation of discharging the separated powder to the outside.08-21-2008
20130175727METHOD AND APPARATUS FOR GLUING WOOD PARTICLES - A method and an apparatus for gluing wood particles, in particular wood strands, is described, as well as a method for the manufacturing of lignocellulosic products, in particular chip boards, oriented strand boards or fiber boards. Since the wood particles are blended in a blending device with a water-curable binder, in particular with polymeric diphenylmethane diisocyanate and moisture is added to the wood particles outside the blending apparatus, curing of the binder inside the blending apparatus, and as a consequence pollution thereof, can be avoided. Moreover, moisturizing outside the blending device can produce a particular even distribution of moisture.07-11-2013

Patent applications in class FORMING ARTICLES BY UNITING RANDOMLY ASSOCIATED PARTICLES

Patent applications in all subclasses FORMING ARTICLES BY UNITING RANDOMLY ASSOCIATED PARTICLES