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| Number | Title | Issue Date |
| 7637732 | Die for extruding material A die assembly and a process for using the die assembly is disclosed. The die plate is made of a material that is somewhat resistant to cracking when subjected to pressure of an extrudate material from behind the die assembly. A series of recesses are arranged about... | 12/29/2009 |
| 7588438 | System, method and apparatus for fiber sample preparation for image analysis The present invention is an apparatus, system and method for preparing samples for analysis including a mechanical fiber cutting apparatus. The mechanical fiber cutting apparatus has two or more cutter blades under the control of a blade moving mechanism. A fiber ch... | 09/15/2009 |
| 7524178 | Device for manufacturing a granular product by extrusion and cutting The invention relates to a device for manufacturing a granular product by extrusion and cutting, comprising an extruder provided with at least one extrusion die exhibiting an extruder face in which extrusion orifices open, a rotationally driven cutting head comprisi... | 04/28/2009 |
| 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 an elevated temperature to obtain optimum flow of molten polymer throu... | 07/22/2008 |
| 7393484 | Flow guide for underwater pelletizer A water flow guide stationarily mounted in the water box of an underwater pelletizer to selectively direct the pressurized water flowing through the water box in order to more efficiently cool and rigidify the extruded polymer strands and enable the rotary cutter bl... | 07/01/2008 |
| 7384257 | Device for removing doses of plastic material from an extruder A device for removing doses of plastic material from the outflow orifice of an extruder by means of at least one removal element movable with respect to the extruder and provided with a receptacle for a dose removed from the orifice, the removal element comprising a... | 06/10/2008 |
| 7347136 | Airless sprayer with hardened cylinder An airless sprayer for paint or the like consists of an electric drive unit connected to a piston. Driven by the electric drive unit, the piston reciprocates within the cylinder, thus spraying the paint or the like. Because of the close tolerance between the piston ... | 03/25/2008 |
| 7338273 | Cutter machine A cutter machine has a knife holder 13 mounted onto a cutter shaft 6 at the center portion, wherein a material to be cut is cut with knives 15 mounted onto the outer circumference of the knife holder 13 by rotating the knife holder 13 | 03/04/2008 |
| 7320279 | Cutter assembly for extruding shaped food pieces A cutter assembly for an extruder includes an elongated extrusion member having an opened feed end. The opened feed end is attachable in fluid communication with a first manifold of the extruder. A filling tube extends through the elongated extrusion member, which i... | 01/22/2008 |
| 7318558 | Devices and systems for cutting food and products originally in block form A refillable cutting container device is described for whole block food products to be dispensed in the grated, shredded or flake form, of the type comprising: a container body suitable for receiving a food product in the form of one or more whole blocks; a cutting ... | 01/15/2008 |
| 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 blades mounted at a steep angle on the cutter hub and move along the f... | 01/15/2008 |
| 7316557 | Die for extruding material A die assembly and a process for using the die assembly is disclosed. The die plate is made of a material that is somewhat resistant to cracking when subjected to pressure of an extrudate material from behind the die assembly. A series of recesses are arranged about... | 01/08/2008 |
| 7311865 | Block-ramming machine A compaction unit (100) includes (a) an elongated open-ended ramming chamber (50) having a fill port opening (51). A ramming head (20) pushes material within ramming chamber (50) to add a new lift to a continuous homogeneous block ... | 12/25/2007 |
| 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 said die plate in a water chamber, said rotary cutter head being cent... | 11/20/2007 |
| 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 this resin discharge surface 5a. U... | 11/13/2007 |
| 7293974 | Apparatus for producing a curly puff extrudate Apparatus for cutting a puff extrudate utilizing a blade that passes through the extrudate while the extrudate is in a viscous melt stage. The present invention utilizes a tube to facilitate production of a curly puff extrudate. A gap is provided in between the tube... | 11/13/2007 |
| 7290999 | 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 supply the motor with fluid and withdraw fluid. A cutter assembly includ... | 11/06/2007 |
| 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 the plastic strands, said cutter head being connected to a drive shaf... | 09/25/2007 |
| 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 portion of their leading edge to form a blunt cutting edge or surface to... | 09/11/2007 |
| 7264461 | Externally adjustable insert for extrusion manifold Externally adjustable extrusion insert for a multiple-orifice extrusion manifold. Adjustments to an extrusion insert precisely controls the extrusion path leading to one or more extrusion orifices of the manifold. Each insert is adjusted to reduce or eliminate varia... | 09/04/2007 |
| 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 knives (4). The perforated plate (3 | 08/14/2007 |
| 7238018 | Method and apparatus for heating plastic extruding die A coil surrounding only the tip of nozzles of a plastic extruding die is provided. By passing a high frequency current through the coil to selectively heat only the tip of the nozzles. Further, in a plastic extruding die in which a high frequency current is passed t... | 07/03/2007 |
| 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 material at that end of their die holes have improved operability an... | 06/05/2007 |
| 7172397 | Two-piece water box assembly for pelletizer A two-piece water box assembly includes a water box main body and an inline adapter ring. The water box main body and inline adapter ring define the water box cutting chamber, with the inline adapter ring being positioned between the water box main body and the die ... | 02/06/2007 |
| 7157032 | 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 othe... | 01/02/2007 |
| 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 being hinged so that it can swivel about a swivel axis when disconnect... | 10/31/2006 |
| 7118362 | Pellet-type foams of non-crosslinked polypropylene resin having lower melting point and process and device for producing the same and molded foams therefrom The present invention relates to a pellet-type non-crosslinked polypropylene foam having a melting point of 125 to 140° C., and a process and device for producing said foam. Since the pellet-type foams of non-crosslinked polypropylene of the present invention has a... | 10/10/2006 |
| 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 supply the motor with fluid and withdraw fluid. A cutter assembly includ... | 05/02/2006 |
| 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 axial movement to obtain and maintain optimal axial position of the cut... | 04/25/2006 |
| 7029261 | Automatic cover latch and pressure relief system for a dough divider A dough divider including a hopper with a lid, latch assembly and press plate. The lid has an open and closed position. The latch assembly is adapted to maintain the lid in the closed position when activated and to discontinue maintaining the lid in the closed posit... | 04/18/2006 |
| 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 being swept by blades rotating about a blade carrier shaft, said bla... | 03/07/2006 |
| 6935855 | Apparatus for extrusion of water-containing products The inventions relates to an extrusion apparatus suited for water-containing products which heat-expand by internal boiling of water by pressure relief after passing through extrusion nozzles. The apparatus comprises a) an extruder, which at the outlet end thereof c... | 08/30/2005 |
| 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 range of variable process requirements, such as pellet size, water flow... | 08/09/2005 |
| 6881050 | Food forming apparatus A forming apparatus to produce nonsymmetrical three-dimensional shaped products from a food extrusion device includes a vector drive controlling an induction motor through current flux control, which selectively actuates an iris diaphragm. Food product is pumped to ... | 04/19/2005 |
| 6848639 | Low turbulent flow high speed cutter knife A cutting blade includes a connection portion for connection to a cutting head for rotating the blade, preferably in association with other blades being rotated with the cutting head. The blade body also includes a blade body portion with a leading edge with a cutti... | 02/01/2005 |
| 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 circular plate that substantially fills the recess in the die face o... | 11/30/2004 |
| 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 universal pivotal movement as well as a driving connection through diame... | 09/21/2004 |
| 6776601 | Dough portion control machine for flour and similar materials A dough portion control machine for flour and similar materials comprises a dough feeding hopper, a dough extrusion apparatus including first and second a interchangeable dough distributors, a dough weight and dimension apparatus, a dough cutting apparatus, and a ex... | 08/17/2004 |
| 6767198 | Rotary cutter assembly A rotary cutter (74) is rotated by a motor (76) through a drive and a belt (326) inside of a combination guard and belt tensioner assembly (260). The rotary cutter (74) includes a cutter head (82) having integral blade holde... | 07/27/2004 |
| 6716018 | Pelletizer knife hub transport mechanism A mechanism for transporting a hub is provided. Particularly, a transport mechanism for a pelletizer knife hub is disclosed. The mechanism comprises a clamp for selectively engaging and releasing the shaft of the pelletizer knife hub. The clamp is connected to a sup... | 04/06/2004 |
