| AUTOMATIK PLASTICS MACHINERY GMBH Patent applications |
| Patent application number | Title | Published |
|---|
| 20150202788 | PELLETIZING DEVICE WITH A CUTTING ROTOR - The invention refers to a pelletizing device for cutting plastic strands into pellets having a cutting rotor ( | 07-23-2015 |
| 20140251442 | DEVICE AND METHOD FOR REDUCING THE PRESSURE OF A FLUID CONTAINING GRANULES - A device and a method for reducing the pressure of a fluid containing granules. The device comprises a free space devoid of moving rotor blades and a housing with an inlet and an outlet. The shape of the wall within the housing and of the free space therein applies a centripetal flow component to the fluid containing the granules flowing therethrough. The pressure of the fluid containing the granules is decreased after the flow has passed through the device. The device and method further and impart a rotational motion to the fluid containing the granules in the area of the outlet, which is generally located in the central area of the free space. | 09-11-2014 |
| 20140117580 | METHOD AND DEVICE FOR MAKING GRANULES - The invention relates to a method for making granules from strands of a melt of a thermoplastic polymer material having the steps of creating and providing the melt of the material, discharging the material in multiple strands from a perforated plate, impinging the strands with an impinging flow fluid from an impinging flow nozzle, cooling the strands and dividing the strands into individual granules, wherein the strands are impinged by the impinging flow fluid only during discharge from the perforated plate, and wherein, as it is discharged from the impinging flow nozzle, the impinging flow fluid has a temperature above the melting temperature of the material and has a discharge velocity in the range from 50 m/sec to 300 m/sec; the invention also relates to a device for carrying out the method with an impinging flow device that can be pivoted by means of a pivoting joint. | 05-01-2014 |
| 20140103564 | METHOD FOR CONTINUOUS CASTING AND GRANULATION OF STRANDS FROM THERMOPLASTIC - A method for continuous casting and granulating strands of a thermoplastic material which uses a nozzle head having a plurality of nozzle apertures of a maximum diameter of 4 mm each, and water-moistened guide member for cooling and guiding the plastic strands exiting the nozzle aperture via inlet rollers to the inlet of the cutting unit for chopping up the plastic strands into granules approx. 2-3 mm in length. The flow rate of the melt, with the strands being cooled down on their way from the nozzles via the guide member the feed rollers of the cutting unit, of at least 100 m/min in the central spatial region of the nozzle apertures will be increased to such an extent that the cutting unit will chop up the strands at a cutting rate of >2,000 cuts/s. | 04-17-2014 |
| 20140077013 | SHREDDER FOR PRODUCING PARTICLES FROM A SHEET MATERIAL - A shredder for producing particles from a sheet material is disclosed herein. The shredder can have a longitudinal cutting device with a first cutting roller and a second cutting roller. A transverse cutting device can be positioned after the longitudinal cutting device. The first cutting roller and the second cutting roller can each have special profiles. | 03-20-2014 |
| 20140042659 | METHOD FOR PRODUCING PHARMACEUTICAL PRODUCTS FROM A MELT MATERIAL - A method for producing pharmaceutical products from a melt material, wherein the melt material emerges from nozzles in a perforated plate, and is then granulated. A motor-driven cutter arrangement having at least one blade is opposite the perforated plate so that it cuts pellets emerging from nozzles in the perforated plate. A gaseous coolant flows through a housing which adjoins the perforated plate and encloses the at least one blade. The pellets of the melt material are then solidified in the coolant. Coolant is introduced from a separate inlet chamber that circumferentially encloses the housing in the area of rotation and from an inlet nozzle arrangement extending circumferentially between the inlet chamber and the housing. Coolant is introduced circumferentially from all sides essentially radially inward. A substantially centripetal flow of the coolant is produced in the area of rotation, and the coolant and pellets are conveyed to an outlet. | 02-13-2014 |
| 20130309345 | CUTTING APPARATUS FOR A GRANULATOR FOR CUTTING GRANULES FROM PLASTICS-MATERIAL STRANDS EMERGING FROM NOZZLES, HAVING A KNIFE ROTOR - The invention relates to a cutting apparatus for a granulator for cutting plastics-material strands emerging from nozzles into granules. The cutting apparatus includes a knife rotor which is connected to a drive shaft via an articulation component having a drive part and via a driven part carrying the knife rotor. The drive part is inserted into a spherical head in a matching spherical cap in the drive part. The spherical head passes through by at least one direction axle, about which the spherical head is rotatable in the spherical cap in case of an axial offset of the drive part and the driven part. In this case, an end of the directional axle that emerges from the spherical head is mounted in a groove in the spherical cap and extends transversely to the direction of rotation of the spherical cap such that, in the case of an offset of the drive part with respect to the driven part, the end moves in the groove. | 11-21-2013 |
| 20130043616 | DEVICE AND METHOD FOR PRODUCING PELLETS - A device and a method for producing pellets from a melt, having a perforated plate with melt nozzles located therein from which nozzles the melt emerges. The perforated plate is located opposite a cutter arrangement with a cutter head with at least one blade, and a cutter shaft driven by a motor so that the at least one blade passes over the melt nozzles in the perforated plate in a rotating manner and in doing so severs pellets of the melt material emerging there. The cutter shaft is at least axially displaceable relative to a process chamber housing by means of at least one adjustable bearing. The position of the at least one blade can be determined and adjusted using a position sensing and adjusting device. | 02-21-2013 |
| 20130037641 | CUTTING DEVICE FOR A GRANULATOR FOR OBTAINING GRANULES BY CUTTING - The invention relates to a cutting device for a granulator for obtaining granules from cutting plastic strands which are discharged from nozzles, said cutting device comprising a cutting rotor which is connected to the drive shaft by means of a Cardan joint piece comprising a driven part and a drive part. Said drive part and the driven part comprise a force transfer piece, respectively having a prong like shape such that the prongs rotate about the force transfer piece when they are pivoted at about 90 degrees in relation to each other. Each prong supports the axis which extends through the force transfer piece and both axes are offset in relation to each other essentially about 90 degrees. | 02-14-2013 |
| 20130036625 | APPARATUS FOR DRYING PELLETS - An apparatus for drying pellets having a housing and a rotor with rotor blades that is arranged in the housing such that it can be driven in rotation, having a dewatering region with at least one dewatering screen with dewatering screen openings that are smaller in size than the pellets, so that the process fluid can be separated from the pellets by means of passage from a screen front to a screen rear, wherein an auxiliary blower is arranged such that an auxiliary airflow from it is imparted in the direction of the pellets' primary direction of movement through the housing. | 02-14-2013 |
| 20130004611 | DEVICE FOR PRODUCING PELLETS - A device for producing pellets that has a perforated plate for extruding a melt into a process chamber, and a cutting device for cutting the melt into pellets. The process chamber can have an inlet and an outlet. A conveying device can deliver a process fluid through the inlet, and carry the process fluid and pellets through the outlet. The inlet can have an inlet opening and an inlet channel. A three-way valve can be located between the inlet channel, a process fluid supply line, and a process fluid discharge line, and below the inlet. The outlet can have a discharge opening and an outlet channel. A pneumatic device can provide compressed air to the process chamber for emptying and expelling the process fluid. | 01-03-2013 |
| 20120309928 | PROCESS FOR PRODUCTION OF POLYETHYLENE TEREPHTHALATE PELLETS - A process for production of polyethylene terephthalate pellets includes the steps of: production of a melt of polyethylene terephthalate material; production of polyethylene terephthalate pellets from the melt by means of underwater pelletization into a process fluid; removal of the polyethylene terephthalate pellets from the site of underwater pelletization in the process fluid; crystallization of the polyethylene terephthalate pellets in the process fluid, wherein a surface of the polyethylene terephthalate pellets is crystallized and an interior of the polyethylene terephthalate pellets remains amorphous. | 12-06-2012 |
| 20120256341 | METHOD FOR GRANULATING PLASTIC HAVING A HIGH SOFTENING TEMPERATURE - The invention relates to a method for granulating plastic having a high softening temperature, in particular of above 120° C., using a perforated plate for producing strands of molten plastic and a subsequent process chamber containing a process fluid and including a chopping device, from which a mixture of process fluid and granulate is then discharged into a cooling section for cooling said granulate. The process chamber is filled with a process fluid, in particular water, at a temperature of more than 120° C. and at a pressure of over 2 bar, and the mixture of process fluid and granulate, whose pressure will be maintained as it passes through the cooling section, will then be supplied to a separator in which the granulate, which has first been directed through a pressure lock for bringing it down to ambient pressure, will then be separated from the process fluid and discharged. | 10-11-2012 |
| 20120251651 | GRANULATING DEVICE WITH A DEVICE FOR CONNECTING A MULT-PART HOUSING OF THE GRANULATING DEVICE - A granulating device for producing pellets from a plastic material can have a die plate, a cutting chamber housing adjoining the die plate, and a cutting device with a cutter. The cutting device can be driven via a cutter shaft by a cutter drive device located in a cutter drive housing. The cutting chamber housing can have a cutting chamber housing flange section connected with a cutter drive housing flange section of the cutter drive housing by a connecting element. The connecting element can have a clamping collar arranged to enclose at least one section of the flange sections, and an eccentric closure element. The eccentric closure element can be connected to the clamping collar, and can have an index opening. In a closure position, the index opening can be located in alignment with a locating pin that passes through the index opening. | 10-04-2012 |
| 20120231102 | DEVICE FOR GRANULATING - A device for granulating melt emerging from nozzles can have a perforated plate. A cutter arrangement with at least one cutter can be driven by a motor opposite the perforated plate, such that the at least one cutter passes over the nozzles in the perforated plate to sever pellets of the emerging melt material. The device can include a housing that connects to the perforated plate and surrounds at least one cutter. A coolant can flow through the housing. The device can include an inlet disposed in a lower half of the housing. The inlet can have an inlet opening connected to an inlet channel for allowing coolant to flow into the housing and an outlet can be in fluid communication with the housing. | 09-13-2012 |
| 20120164255 | CUTTER HEAD HOLDER OF AN UNDERWATER GRANULATOR - A cutter head holder for blades of an underwater granulator for granulating pellets from a plastic melt that emerges from a perforated plate into a process chamber of a housing of an underwater granulator. | 06-28-2012 |
| 20120119002 | APPARATUS AND METHOD FOR THE PRODUCTION O FPLASTIC GRANULATE - The invention relates to a method and a device for producing plastic granulate, having a granulator which breaks up essentially continuously conveyed plastic mass flow into granulate particles, the granulator ( | 05-17-2012 |
| 20120024760 | APPARATUS FOR DRYING PELLETS - An apparatus for drying pellets having a housing and a device for impressing motion. The device impresses directions of motion on the pellets and on a process fluid that differ locally from one another, so that the process fluid in which the pellets are originally located can be separated. The pellets by means of passage from a screen front to a screen rear in a dewatering region with at least one dewatering screen having dewatering screen openings that are smaller in size than the pellets. A classifying region with at least one classifying screen with classifying screen openings that are of such a size that the pellets of a desired size pass from a screen front through these classifying screen openings to a screen rear, wherein the classifying screen is arranged such that the pellets with the direction of motion impressed upon them pass through the classifying screen openings. | 02-02-2012 |
| 20120000335 | CUTTER BAR - A cutter bar of a cutting device for producing pellets from strands of material that emerges from a perforated plate in one or more strands of material and is cut into individual pellets by the cutting device, having at least one cutting edge. The cutter bar can have a serration on at least one strand contact surface, and the serration can have a preferential direction that is inclined at an angle relative to the cutting edge. | 01-05-2012 |
| 20110123661 | DEVICE FOR AVOIDING THE UNCONTROLLED DISCHARGE OF MELT FROM A NOZZLE PLATE - One or more embodiments of a device for avoiding the uncontrolled discharge of melt from nozzle apertures of a nozzle plate are provided. The device can include a locking member that is movable in front of the nozzle plate. The locking member can be formed as an extrudate collection member. The locking member can be reciprocable between a production position and a collection position. And melt can be discharged from the nozzle apertures of the nozzle plate in the form of extrudates into a process chamber when the locking member is in the production position and into extrudate collection member when the locking member is in the collection position. The device can also include a melt extraction aperture disposed on the extrudate collection member. The melt extraction aperture can be configured to align with the nozzle apertures in the nozzle plate and a melt extraction channel | 05-26-2011 |
| 20110121483 | CONTINUOUS CASTING DEVICE FOR PRODUCING PELLETS FROM PLASTIC MATERIAL AND METHOD FOR OPERATING THE SAME - The invention relates to a device for producing pellets from plastic material or from material to be pelletized. Said device comprises a continuous casting device ( | 05-26-2011 |
| 20110062262 | SHREDDER FOR PRODUCING PARTICLES FROM A SHEET MATERIAL - A shredder for producing particles from a sheet material is disclosed herein. The shredder can have a longitudinal cutting device with a first cutting roller and a second cutting roller. A transverse cutting device can be positioned after the longitudinal cutting device. The first cutting roller and the second cutting roller can each have special profiles. | 03-17-2011 |
| 20110061261 | DRYING APPARATUS FOR DRYING PELLETS - One or more embodiments of a drying apparatus for drying pellets from a process fluid are provided. The drying apparatus can include at least one screen device. The at least one screen device can have a screen area with screen openings. The drying apparatus can also have an oscillating device that sets at least the screen area of the screen device into oscillation. The oscillations can move the pellets relative to the screen openings, and the process fluid can drain off through the screen openings. | 03-17-2011 |
| 20100289166 | DROP PELLETIZING DEVICE AND METHOD FOR THE OPERATION THEREOF - A drop pelletizing device and method for producing pellets from a low-viscosity plastic melt are provided. The drop pelletizing device can include a die plate with holes, in which the plastic melt can be subjected to a harmonic pressure oscillation such that the plastic melt emerging from the holes forms individual pellet droplets, a pressure vessel, in which prevails an overpressure above the ambient pressure, a discharge device adapted to discharge the individual pellet droplets from the pressure vessel and to reduce the overpressure, a separator adapted to separate the individual pellet droplets from the coolant; and at least one circulating device adapted to agitate the coolant to separated and unclump the individual pellet droplets in the coolant and for producing turbulence within the coolant. | 11-18-2010 |
| 20100237521 | METHOD AND DEVICE FOR THE PRODUCTION OF POLYAMIDE - The invention relates to a method for the production of pellets of polyamide 6 or copolyamides. The method can include production of a melt of polyamide 6 or copolyamides by means of polymerization, production of pellets from the melt by means of underwater pelletization into a process fluid, removal of the pellets from a site of underwater pelletization in the process fluid, supply of the pellets in the process fluid to an extraction stage, extraction of low-molecular components as extract, and drying of the pellets after extraction, wherein the underwater pelletization stage and the extraction stage take place using the same process fluid. The invention further relates to a device for implementation of such a method. | 09-23-2010 |
| 20100187707 | METHOD AND DEVICE FOR GRANULATING THERMOPLASTIC MATERIAL - The methods and apparatuses for granulating thermoplastic material emerging from nozzles in a perforated plate are provided. The apparatus can have a motor-driven cutter arrangement having at least one blade located opposite the perforated plate. The at least one blade can pass over the nozzles in the perforated plate and cuts pellets of the emerging thermoplastic material. | 07-29-2010 |
| 20100151072 | DIE PLATE AND METHOD FOR MANUFACTURE THEREOF - One or more methods for the manufacture of a die plate of an extruder of a pelletizer for thermoplastic material, with die orifice openings are provided. One or more of the methods can include providing a die plate blank having a die plate base material; producing a functional layer with a reinforcing material in at least one region on at least one side of the die plate blank, and applying the reinforcing material to the die plate base material in the region of the functional layer by laser dispersion. | 06-17-2010 |
| 20100143524 | DEVICE FOR THE PRODUCTION OF GRANULATE GRAINS FROM A PLASTIC MELT - The invention relates to a device for the production of granulate grains from a plastic melt, having a nozzle plate with at least one nozzle opening from which a strand of the plastic melt is discharged into a processing chamber, and a cutting tool having at least one cutting blade that may be moved against the nozzle plate by means of a feed device, wherein the plastic strand discharged from the nozzle opening of the nozzle plate can be fragmented into granulate grains by the cutting blade moving relative to the nozzle opening. The nozzle plate has a diamond coating at least on the surface thereof facing the cutting tool, with the hardness of the diamond coating being greater than the hardness of the cutting blade, and with the average roughness of the diamond coating being greater than the average roughness of the cutting blade by at least a factor of two. | 06-10-2010 |
| 20100140821 | METHOD FOR GRANULATING AND CRYSTALLIZING THERMOPLASTIC POLYMERS - The invention relates to a method for granulating and crystallizing thermoplastic polymers, the granules being contained in a liquid after granulation of a polymer melt and the granules being nucleated in the liquid once the pressure of the liquid is increased and the temperature of the liquid is increased, and the granules being crystallized in the liquid once the pressure of the liquid is again increased and the temperature of the liquid is again increased. According to the invention, the granules are removed from the liquid once the pressure and the temperature of the liquid containing the granules have been reduced. | 06-10-2010 |
| 20100133717 | EXTRUSION GRANULATION METHOD AND DEVICE, AND GRANULATE PRODUCED THEREFROM - The invention relates to a method for the production of granulate grains of polymers from thermoplastic polyesters or copolyesters from a polyester melt using an extrusion granulator. The polyester melt is fed to nozzles of the extrusion granulator and then, with draw-in rollers, to the granulation device via an extraction section as extrusions exiting from the nozzle, wherein, e.g., an extrusion extraction speed is set by the draw-in rollers. The invention also relates to an improved extrusion granulator according to the invention having a wave device between the nozzles and the extraction channel, and granulate grains produced according to the method according to the invention. | 06-03-2010 |
| 20100081363 | DEVICE FOR MACHINING A DIE PLATE OF AN EXTRUDER - Methods and devices for machining a die plate of an extruder for pelletization are provided. The device can include a grinding wheel with a grinding surface rotatably disposed on a drive mechanism of a cutter head associated with the extruder. The grinding surface can include a hard coating aligned with the die plate. | 04-01-2010 |
