| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 425067000 | IMMERSED SHAPING ORIFICE DISCHARGING DIRECTLY INTO LIQUID BATH OR SHOWER MEANS | 25 |
| 20100255135 | PELLETIZING DEVICE AND BLADE HEAD AND/OR GRINDING HEAD FOR SUCH A PELLETIZING DEVICE - The present invention relates to a pelletizer, preferably in the form of an underwater pelletizer. In particular, this invention relates to a cutter and/or grinding head for such pelletizer, comprising a tool carrier which can rotatorily be driven about a tool carrier axis of rotation, and at least one cutting and/or grinding tool, which is attached to the tool carrier and is spaced from the tool carrier axis of rotation, for knocking off plastic melt emerging from a pelletizer die plate and/or for grinding said pelletizer die plate. In accordance with the invention, the cutting and/or grinding tool is rotatably mounted on the tool carrier about an axis of rotation spaced from the tool carrier axis of rotation. This provides a second component of movement for the cutting and/or grinding tool. On the one hand, the cutting and/or grinding tool rotates together with the tool carrier about its tool carrier axis of rotation, and on the other hand, the cutting and/or grinding tool can rotate about its own axis of rotation relative to the tool carrier. The tool carrier has a pivot bearing for the cutting and/or grinding tool, by means of which the cutting and/or grinding tool can rotate about itself. | 10-07-2010 |
| 20100323047 | Solid one-piece cutter hub and blade combination - A cutter hub for an underfluid pelletizer in which pelletizable material such as molten polymer is extruded as strands through orifices in a die plate. The cutter hub has a plurality of cutter blades integral therewith and is made of a single solid one-piece construction of hub and blades. The cutter hub is rotatably driven and moves along the face of the die plate so that the blades cut the extruded strands into pellets. The cutter hub preferably includes self-aligning structure. | 12-23-2010 |
| 20100330216 | System for controlling cutter hub position in underfluid pelletizer - A cutter hub position control device for consistent blade adjustment in an underfluid pelletizer is provided in connection with a motion rod attached to the pelletizer cutter hub and extending through a hollow shaft of the pelletizer motor. The cutter hub position control device can be collinear, transaxial or in a plane parallel to the axis of the motion rod to which it is attached. Adjustment of the cutter hub position control device is automated through use of feedback control mechanisms. | 12-30-2010 |
| 20110318440 | DIE PLATE FOR AN UNDERWATER TYPE PELLETIZER - The invention relates to a die plate ( | 12-29-2011 |
| 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 |
| 20120207864 | THERMALLY INSULATED DIE PLATE ASSEMBLY FOR UNDERWATER PELLETIZING AND THE LIKE - An insulated die plate assembly for use in underwater pelletizing and other granulation processes includes a thin, continuous air chamber formed across the plate assembly generally parallel to the die face such that the heated upstream portion of the die plate assembly is thermally insulated from the downstream portion. The air chamber is atmospherically equilibrated by venting the air chamber to the atmosphere. The plurality of extrusion orifices, either individually or in groups, are formed in extrusion orifice extensions that extend through the insulation chamber so that the process melt to be granulated can pass therethrough. The orifice extensions and the components forming the air chamber around the orifice extensions channel heat along said extensions to maintain the process melt therein at a desired temperature, to help rigidify the die plate assembly and to better seal the air chamber. | 08-16-2012 |
| 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 |
| 20130004606 | Underwater Pelletizer - An Underwater pelletizer for cutting extruded plastic into a flow of liquid. The pelletizer includes a cutter hub ( | 01-03-2013 |
| 20130287876 | PERFORATED PLATE - A perforated plate of a granulating device for thermoplastic plastic material, having nozzle openings, and wherein at least one side of the perforated plate has a functional layer in at least one region. The functional layer is thermally insulating as compared to the base material of the perforated plate, and is more abrasion-resistant than the base material of the perforated plate, and consists of an enamel coating. | 10-31-2013 |
| 20140044820 | SPINNERET FOR WET SPINNING - In a wet spinning spinneret comprising a housing which, together with a spinneret plate mounted to the underside thereof, forms a chamber adapted to be supplied with a spinning solution, the spinneret plate having nozzle openings in at least an annular region, and a displacing member arranged inside the chamber above the spinneret plate, which member directs the spinning solution towards the annular zone, it is provided that the displacing member (VK) is attached at a support (TP) arranged upstream of the spinneret plate (SP), seen in the flow direction of the spinning liquid. | 02-13-2014 |
| 20140065253 | SOLID FACE DIE PLATE - A solid face die plate for an underwater pelletizer includes a carrier or holding plate having a circular slot for holding a hard anti-wear element of highly wear-resistant material through which the extrusion orifices open for extruding polymer. The solid face die plate eliminates the need for insulation or plugging material in the center of the die plate and, by embedding the hard anti-wear element within the carrier, protects the edges of the hard anti-wear element for longer wear life. | 03-06-2014 |
| 20140271960 | CUTTER HUB PIN DRIVE MECHANISM AND QUICK DISCONNECT HUB FOR AN UNDERFLUID PELLETIZER - A cutter hub pin drive mechanism and a quick disconnect hub for a pelletizer and a pelletizer having a cutter hub pin drive mechanism are provided. The pelletizer has a cutter hub that includes a cutter hub holder which is engaged with the pelletizer shaft through a plurality of drive pins. The drive pins ride in drive pin channels formed by grooves cut into an inner surface of the cutter hub holder and aligned grooves formed in the outer surface of the forward end of the pelletizer shaft. By machining of grooves into the cutter hub holder and shaft to form channels that receive the drive pins, more precise engagement between the pelletizer shaft, cutter hub holder and drive pins is obtained, resulting in improved torque transmission from the shaft to the cutter hub. Also provided is a seal around the pelletizer shaft to prevent the egress of fines into the drive pin area which might otherwise interfere with the unobstructed movement of the cutter hub holder necessary to adjust blade position. Finally, a quick disconnect hub is provided by which the pelletizer shaft can be readily disconnected from the cutting assembly to facilitate the removal of agglomerated polymer in the cutting chamber. | 09-18-2014 |
| 20150099023 | NOZZLE PLATE FOR A GRANULATING DEVICE, AND GRANULATING DEVICE HAVING A NOZZLE PLATE - A nozzle plate for a granulating device. The nozzle plate has a plurality of nozzles for the passage of melt, wherein the nozzles are arranged such that they lie on a circle about a center axis. Each nozzle has a nozzle channel and at least one nozzle opening. A recess for receiving a melt flow is formed on the surface of the nozzle plate opposite the surface comprising the nozzle opening. The recess can also be centered on the center axis. A plurality of flow channels in fluid communication with the recess and at least one flow channel are formed in the nozzle plate extending radially away from the center. A granulating device having such a nozzle plate. | 04-09-2015 |
| 20150099024 | GRANULATION DEVICE - A granulating device for granulating thermoplastic materials. The device has a die head, a cutting chamber housing, and at least one insulating element comprising thermally insulating material. The insulating element is situated between a die head element and a cutting chamber housing element. At least one tempering device situated between the insulating element and cutting chamber housing element or adjacent to the insulating element is provided. The tempering device acts to remove unwanted heat introduced in its vicinity, or to replenish heat undesirably removed from its vicinity. | 04-09-2015 |
| 20150132424 | Extrusion Die Plate Assembly for a Pelletizer System - Provided is a die plate assembly for an underwater pelletizing system, wherein molten plastic flows through a die plate and exits into a fluid bath for further processing. The assembly provides a seal against water leakage and effective insulation to prevent heat loss from a heated die plate. The assembly includes a die plate having a plurality of through holes for receiving fasteners for mounting the plate to another portion of the pelletizer system, and at least one insulation chamber for insulating the die plate from the fluid bath located on a downstream side of the die plate. The assembly further includes at least one gasket covering one or more of the through holes to seal one or more through holes from the fluid bath. | 05-14-2015 |
| 20150290839 | BLOCK CARRIER WITH INTEGRATED CONTINUOUS MOULDING DEVICE FOR THERMOSOFTENING PLASTICS - A block carrier with integrated strand die assembly for thermoplastic plastic material. The block carrier can have a block carrier housing, a melt pump assembly for delivering the thermoplastic material, and a start-up valve. The melt pump assembly and the start-up valve are integrated into the block carrier housing, providing a compact block carrier that is especially suited for use in environments with spatial constraints. | 10-15-2015 |
| 20160082620 | EXTRUSION HEAD HAVING A PERFORATED PLATE OF A GRANULATING SYSTEM - An extrusion head having a perforated plate of a granulating system. The extrusion head can have a head part and a perforated plate with a perforated-plate wear insert, a perforated-plate main body, a central inflow cone, an inflow cone part, a plurality of nozzle channels, a plurality of perforated dies, and at least one corrosion protected fastener. The perforated-plate can be detachably fastened to the head part. The head part can have at least one central melt channel into which the inflow cone part projects and distributes a melt flow among nozzle channels which can be arranged in the shape of a ring and among the perforated dies which can be arranged in at least one ring. The at least one fastener can be positioned in a central region of the at least one ring of the perforated dies. | 03-24-2016 |
| 20160144548 | DIE PLATE WITH DIE PLATE BODY HAVING AN APERTURED DOWNSTREAM FACE COVERED BY A SOLID FACE PLATE - A die plate is provided for an underwater pelletizer. The die plate includes a die plate body and a solid face plate. The downstream face of the die plate body has a plurality of insulation holes drilled therein that reduce the surface area contact between the die plate body and the solid face plate that is secured to the downstream face of the die plate body to form the cutting surface. In addition, a circular groove is preferably milled into the downstream face of the die plate body. The groove is concentric with the outer perimeter of the die plate body and creates an outer ring and a center boss. The outer downstream surface of the boss is flush with the outer downstream surface of the outer ring so that the boss and ring together form the downstream face of the die plate body for supporting the solid face plate. The insulation holes and groove are filled with a non-reactive atmosphere such as nitrogen, inert gas(es), a vacuum or a partial vacuum. | 05-26-2016 |
| 425068000 | Additional downstream means for treating product by fluid | 4 |
| 20090028975 | Method and apparatus for making crystalline pet pellets - A method and apparatus for underwater pelletizing and subsequent drying of polyethylene terephthalate (PET) polymers and other high temperature crystallizing polymeric materials to crystallize the polymer pellets without subsequent heating. High velocity air or other inert gas is injected into the water and pellet slurry line to the dryer near the pelletizer exit. Air is injected into the slurry line at a velocity of from about 100 to about 175 m | 01-29-2009 |
| 20100159050 | Machine for Manufacturing Nonwoven Fabric - A machine for manufacturing a nonwoven fabric includes a conveyer net, a spunbonding apparatus, and a container. In use, the spunbonding apparatus can project at least one fiber onto the conveyer net. The container can contain liquid, wherein the liquid level of the container is higher than at least a part of the conveyer net which the fiber is projected onto. | 06-24-2010 |
| 20110038973 | APPARATUS FOR MANUFACTURING NONWOVEN FABRIC - An apparatus for manufacturing nonwoven fabric including a spinning nozzle, a fiber extension device, a receiver device and a sprinkler is provided. The spinning nozzle is filled with a spinning solution and has a plurality of spinners, where each of the spinners includes a spinning port and a main gas port surrounding the spinning port. The fiber extension device is disposed under the spinning nozzle and includes at least one secondary gas supply device. The secondary gas supply device has an arc gas distribution portion, such that the direction of gas ejected from the secondary gas supply device is the same as the direction of gas ejected from the main gas port. The receiver device is disposed under the fiber extension device. The sprinkler is disposed above the fiber extension device or the receiver device. | 02-17-2011 |
| 20140328961 | THERMALLY INSULATED DIE PLATE ASSEMBLY FOR UNDERWATER PELLETIZING AND THE LIKE - An insulated die plate assembly for use in underwater pelletizing and other granulation processes includes a thin, continuous air chamber formed across the plate assembly generally parallel to the die face such that the heated upstream portion of the die plate assembly is thermally insulated from the downstream portion. The air chamber is atmospherically equilibrated by venting the air chamber to the atmosphere. The plurality of extrusion orifices, either individually or in groups, are formed in extrusion orifice extensions that extend through the insulation chamber so that the process melt to be granulated can pass therethrough. The orifice extensions and the components forming the air chamber around the orifice extensions channel heat along said extensions to maintain the process melt therein at a desired temperature, to help rigidify the die plate assembly and to better seal the air chamber. | 11-06-2014 |
| 425069000 | Shaping orifice and bath or shower means mounted for relative movement | 1 |
| 20140141111 | SPINNING BATH VAT - The invention relates to a spinning bath vat, including a vat for taking up spinning bath liquid, at least one roller arranged within the vat for guiding the spun filaments, and an infeed and discharge system for spinning bath liquid. According to the invention, it is provided that the spinning bath vat (SBW) has a design which is useful both for wet spinning by means of a spinning nozzle (SD) arranged within the spinning bath liquid (SBF) and for dry/wet spinning by means of a spinning nozzle (SD) arranged above the spinning bath liquid (SBF). | 05-22-2014 |
| 425070000 | Means directing product through tubular conduit within bath or shower means | 2 |
| 20100291252 | Method of Producing Ultra Thin Chitosan Fibers and Non-Woven Fabrics - This invention provides a method of producing chitosan non-woven fabrics and an apparatus thereof. At first, a chitosan acidic solution is extruded to form a chitosan fibrous stream. Then, a solidifying agent is ejected to form a solidifying agent stream. The solidifying agent stream and the chitosan fibrous stream are combined to form a pre-solidified chitosan fiber. Then, high-pressure air is ejected on the pre-solidified chitosan fiber to stretch the pre-solidified chitosan fiber. Finally, the chitosan fibers are collected to form chitosan non-woven fabrics. | 11-18-2010 |
| 20160129634 | Two-Fluid Hydrodynamic Printing - Hydrodynamic focusing of two fluid steams provides a novel micro printing technology for printed electronics and other high performance applications. | 05-12-2016 |
