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8083509 Underwater pelletizer  
An underwater pelletizer for cutting extruded plastic into a flow of liquid is disclosed. The pelletizer includes a cutter hub (90) carrying at least one cutter blade (96), a cutter shaft (60) for...
8080197 Method for manufacturing filaments from an optically anisotropic spinning solution and air gap spinning device  
The invention pertains to a method for manufacturing filaments from an optically anisotropic spinning solution in which the spinning solution is extruded through a spinneret including a spinning...
7926400 Cutting rotor for granulating plastic castings  
The invention relates to a rotary cutter for the pelletization of plastic extrudates, said rotary cutter being provided with knives projecting axially away from its end surface, said knives being...
7879969 Crystallizer temperature control via fluid control  
A method of crystallizing a plurality of crystallizable polymer pellets includes a step in which the pellets are contacted with a temperature adjusting fluid in a crystallizer. The fluid adjusts...
7874824 Equipment  
Problems with incipiently gelling alginate or low-methoxy pectate sols in a bath of an aqueous solution containing calcium ions are reduced by having in the bath a perforated support surface which...
7874823 Device and process for producing pellets from a plastic melt  
The invention relates to a device for producing pellets from a plastic melt by extrusion, comprising a perforated plate from which the plastic melt is extruded at a pressure above the ambient...
7832998 Controlled skin formation for foamed extrudate  
An extrusion apparatus is taught that employs a die adapter that is partially submerged in a heat transfer bath on a horizontal plane such that there is no air gap between the die extrusion...
7828538 Method and apparatus for increasing an intrinsic viscosity of polyester  
A method of increasing the intrinsic viscosity of polyester by means of solid state polymerization, wherein a polyester plastics melt is granulated and after granulation is conveyed into a thermal...
7815828 Influence of each of the parameters on the foamed product strength  
A method for manufacturing thermoplastic resin expandable granules comprising the steps of: injecting a blowing agent under pressure into a thermoplastic resin which is melted in an extruder;...
7776244 Method for producing expandable polystyrene  
A process for the preparation of expandable styrene polymers having a molecular weight Mw of greater than 170,000 g/mol, which comprises conveying a blowing agent-containing styrene polymer melt...
7771635 Melt cooler and valving system for an underwater pelletizing process  
A melt cooler and valving system for an underwater pelletizer has a diverter valve that facilitates multiple modes of melt processing. The cooler has a cooler inlet line that conveys the melt to...
7658874 Polymer pelletization process and apparatus  
An improved process for the pelletization of polymers is disclosed, using a die in which the die holes incorporate a reverse taper along at least a portion of the length thereof. Conditions for...
7638593 Crystallizer temperature control via fluid control  
A method of crystallizing a plurality of crystallizable polymer pellets includes a step in which the pellets are contacted with a temperature adjusting fluid in a crystallizer. The fluid adjusts...
7524179 Center heated die plate with two heat zones for underwater pelletizer  
A center heated die plate for an underwater pelletizer radiates heat outwardly to the extrusion orifices and die faces of the die plate thereby maintaining the die plate and extrusion orifices at...
7470118 Underwater cutting pelletizer  
An underwater cutting pelletizer is disclosed wherein a water chamber is circular in plan, an inlet portion is formed on one side in a diametrical direction of the water chamber to introduce...
7402034 Center heated die plate for underwater pelletizer  
A center heated die plate for an underwater pelletizer radiates heat outwardly to the extrusion orifices and die faces of the die plate thereby maintaining the die plate and extrusion orifices at...
7367792 Arrangement with an extrusion die of an extruder  
The invention relates to an arrangement with an extrusion die (1) of an extruder for granulating plastic material with several pass-through openings (4) for allowing the passage of plastic melt,...
7320585 Device for the hot granulation of thermoplastic polymers  
Device for the hot granulation of thermoplastic polymers, optionally expandable, which comprises: a) a die (1) containing a series of small plates (6), equipped with a series of extrusion holes,...
7318719 Steep angle cutter hub and blade assembly  
A cutter hub and blade assembly for an underwater pelletizer in which molten polymer is extruded as strands through orifices in a die plate. The cutter hub is rotatably driven and includes cutter...
7296985 Device for granulating thermoplastic materials  
The invention relates to a device for granulating thermoplastic materials with a die plate and a rotary cutter head, said rotary cutter head carrying cutter knives and being positioned in front of...
7294299 Granulating die, granulation device and method of manufacturing expandable thermoplastic resin granules  
A granulating die B is provided with a resin discharge surface 5a to which a flow of water is contacted; and a plurality of nozzles 8 which communicate to a cylinder of an extruder are provided in...
7273365 Granulator for producing a granulate made of molten plastic  
The invention relates to a granulator for producing granulate from molten plastic with a cutter head displaceable over an adjustment range, said cutter head cooperating with a die plate dispensing...
7267540 Steep angle cutter hub with blunt edge blades  
A cutter hub and blade assembly for cutting polymer strands extruded from a die face in a pelletizer has cutter blades mounted on the cutter hub at a steep angle. The blades are beveled along a...
7255547 Plastics granulating device  
A device for granulating plastic melts comprises a granulating head (2) to which a perforated plate (3) provided with melt-discharge openings (10) is attached, which openings are swept by rotating...
7226553 Polymer underwater pelletizer apparatus and process incorporating same  
Underwater melt pelletizer dies which have a highly thermally conductive pathway from their heating source to the vicinity of the polymer exit end of their die holes and have a thermally insulating...
7128546 Underwater granulator with a water pipe mounted in a swivel joint  
An apparatus for granulating extruded material includes an extruder and an underwater granulator connected to the extruder and having a cutting plate for cutting extruded material, the granulator...
7037095 Extrusion die plate and cutter assembly with hydraulic motor  
A die plate for an extruder is coupled directly to a fluid-driven motor on one side and to an extruder on the other side. Suitable fluid inlet and outlet passages are formed in the die plate to...
7033152 Underwater pelletizer with positively controlled cutter HUB  
A cutter hub and blade assembly supported and driven for rotational and axial movement in relation to the die face of a die plate in an underwater pelletizer including a positive control of such...
7008203 Device for granulating a thermoplastic, which is extruded from nozzles  
The present invention relates to a device for granulating thermoplastic materials issuing from orifices, said orifices being provided in a substantially circular arrangement in an orifice plate and...
7001165 Sizer for forming shaped polymeric articles and method of sizing polymeric articles  
A sizer assembly for providing a shaped polymeric article in an extrusion process comprises a sizer body having a product profile channel corresponding to the shaped polymeric article formed...
6925741 Sectioned adjustable water flow guide for pelletizer  
An adjustable sectioned water flow guide stationarily mounted in the water box of an underwater pelletizer to adjust the flow of pressurized water through the water box in order to accommodate a...
6832738 Separation device for underwater pelletizer  
The invention relates to a separation body holder (1) for submerged granulators, with a multiplicity of radially extending arms (2), which in each case display an indentation for receiving and...
6824371 Insulation plug for underwater pelletizer die face recess  
An insulation plug is disclosed for mounting in and generally filling a central recess in the die face of an extrusion die in an underwater pelletizer. The insulation plug is in the form of a rigid...
6793473 Self-aligning cutter hub assembly  
An assembly retainer for a self-aligning pelletizer cutter hub having a self-aligning driving connection between a cutter hub and a drive shaft for the hub in which the cutter hub is capable of...
6705850 Apparatus for biopolymer coagulation in a uniform flow  
An apparatus for forming a fiber from a biocompatible biopolymer includes a fiber-formation tube that defines a bore extending generally vertically from an upper end to a lower end. Coagulation...
6663372 Underwater pelletizer and cutting system therefor  
An underwater pelletizer cutting system allowing fine adjustments of the relative spacial relationship between an extrusion die and the blades of a cutting assembly. The cutting assembly, which may...
6638045 Die for manufacturing resin pellets  
A die for manufacturing resin pellets capable of processing a die plate easily, and achieving simplification of a construction of heat channels and enhancement of heating efficiency. A die 1 for...
6592350 Underwater pelletizer with separator  
An underwater pelletizer for granulating thermoplastics, includes an extruder having a die plate with holes for extruding thermoplastics in the form of single strands which are cut by a rotating...
6575722 Apparatus for producing and cooling polymer pellets  
An apparatus for producing and cooling polymer pellets. Hot pellets cut from a die plate extruder are impelled through air and quickly enveloped in a stream of cooling liquid. The stream is then...
6551643 Process and apparatus for producing miniature gum ball centers using an underwater pelletizer  
The present invention provides an apparatus and method for forming confectionery products into desired shapes. In an embodiment, the ingredients of a confectionery product, such as a bubble gum,...
6547549 Pelletizing die for a pelletizer  
A pelletizing die for a pelletizer comprises a base body with holes for melt to pass through; the holes are disposed in rows. Allocated to the holes are wearing-protection inserts, having holes...
6537050 Underwater cutting granulating device  
In a knife used in an underwater cutting granulating device for cutting and granulating a fused resin extruded from a die to a water chamber by a cutter rotated in the state where the knife is...
6527532 Apparatus for making a wood-plastic profile  
The invention relates to a method for making a dimensionally stable wood-thermoplastic composite material composed of a wood component and a thermoplastic component comprising the steps of forming...
6514062 Die for use in an underwater granulating apparatus  
Two rows of nozzles 4a and 4b whose open ends are formed as orifices 2 of a die are respectively made to communicate with introducing slots 3 of orifice units 6, and jackets 7 for temperature...
6474969 Extrusion die and die assembly for underwater pelletizer  
A die and a die assembly are disclosed for use in association with an underwater pelletizer. The die has unique coiled heating elements which allow for uniform heating of the extrusion orifices...
6409491 Extrusion die assembly  
Disclosed is an improved extrusion die assembly for controlling the flow of polymer in a melt extrusion process. The die assembly is useful for extruding low molecular weight polymer melts.
6379137 Device for feeding strands of molten synthetic material that are issued from nozzles to a discharge chute  
The invention relates to a device for feeding molten plastic extrudates which emerge from dies to a discharge channel having a cooling water inlet which follows the dies, in which device the dies...
6332765 Cutter hub holder  
A cutter hub holder for blades acting against a die plate of an underwater pelletizer including a resilient axially biased blade holder that is drivingly connected with a driven shaft and biased...
6220847 Underwater granulating die  
From such a state that the steady running of a kneading extruder is temporarily stopped in the heating state where it is supplied with resin material, the operation of a cutter device (5) is...
6174475 Underwater cutting granulating device, knife used in this device, and underwater cutting granulating method using this knife  
In a knife used in an underwater cutting granulating device for cutting and granulating a fused resin extruded from a die to a water chamber by a cutter rotated in the state where the knife is...
Matches 1 - 50 out of 195 1 2 3 4 >