| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 241296000 | Disklike comminuting surface (i.e., radial comminuting face) | 18 |
| 20090200411 | Chipping knife and assembly - A chipping knife and assembly. The knife has a front side and a spaced apart back side, the front and back sides terminating in a cutting edge so as to define an acute knife angle, the front and back sides having respective curvilinear portions for disposition between respective knife clamping members for clamping the knife, the knife having substantially constant thickness between the respective curvilinear portions. The assembly provides upper and lower clamping members shaped to fit the knife therebetween in a stable, indexed position. | 08-13-2009 |
| 20100308146 | Structure Of The Knife Set Of The Shredder - The present invention concerns an improvement of the structure of the knife set of the shredder, including one frame, at least two knife-rods corresponding to each other and mobile set on said frame; in addition, each knife-rod has one hollow part respectively and multiple cutters pierce-through set on the outer edge of each knife-rod respectively. Rely on said structure to achieve the effect of making a knife set which is easy to be made, lower manufacturing cost, lighter in weight and less energy demand in operation. | 12-09-2010 |
| 20120024999 | Rotor Disk - The invention relates to a rotor disk ( | 02-02-2012 |
| 20120032014 | BLADE ASSEMBLY FOR PAPER SHREDDER - A blade assembly for paper shredder consists of a first blade and a second blade combined back to back. Each blade has a circular blade flank formed by punching a thin sheet metal. The blade flank has a hole at its center and integrally extends outwards with at least two cutting edges. Each cutting edge has a base portion extended from the blade flank outwards and on the same plane as the blade flank, a surface portion bent from the base portion to the back of the blade flank and perpendicular to the blade flank, and a tip portion formed between the base portion and the surface portion. The blade flank is integrally formed with several ribs protruding towards the blade flank. A portion of the rib is formed beneath the tip to support the cutting edge and to enhance its strength. | 02-09-2012 |
| 20130015281 | ROTOR REFINER PLATE ELEMENT FOR COUNTER-ROTATING REFINER HAVING CURVED BARS AND SERRATED LEADING EDGES - A refining plate segment for a mechanical refiner of lignocellulosic material including: a refining surface on a substrate, wherein the refining surface faces a refining surface of an opposing refiner plate, the refining surface including bars and grooves between the bars, wherein an angle of each bar with respect to a radial line corresponding to the bar increases at least 15 degrees along a radially outward direction, and the angle is a holdback angle in a range of 10 to 45 degrees at the periphery of the refining surface, and wherein the bars each include a leading sidewall having an irregular surface, wherein the irregular surface includes protrusions extending outwardly from the sidewall towards a sidewall on an adjacent bar and the irregular surface extends from at or near the outer periphery of the refining surface extends radially inwardly along the bars without reaching an inlet of the refining surface. | 01-17-2013 |
| 20140166797 | PROCESSOR DISK AND METHOD OF MAKING - A method of forming a processor disk for a processor of materials may include providing a disk blank with a central portion and a perimeter portion, with the perimeter portion extending between the central portion and a circumference of the disk blank, the perimeter portion having a perimeter surface; and applying material to the perimeter portion of the disk blank to form a plurality of teeth on at least the perimeter surface of the perimeter portion. A processor disk may comprise a disk blank with a central portion and a perimeter portion, with the perimeter portion extending between the central portion and a circumference of the disk blank and having a perimeter surface divided into opposite side surfaces by a circumferential edge; and a plurality of teeth formed on the perimeter surface through application of material to the perimeter surface. | 06-19-2014 |
| 241297000 | Plural comminuting faces | 2 |
| 20090045278 | Crushing element and mills with grinding bodies, mixers, extruders and a pressing worm provided with said crushing elements - The invention relates to a ground element for mills, mixers and worms used preferably for the grinding/processing of paper stock and plastics materials comprising ceramic fillings, other fibrous substances such as crude brown coal, beet chip and the like. The ground elements have at least two fastening elements, which can have undercuts ( | 02-19-2009 |
| 20090256020 | Shredder Blades And Methods For Producing Shredder Blades And/Or Shredder Blade Pairs - A method of manufacturing shredder blades which improves efficiency and a new structure for a shredder blade or blade pair. | 10-15-2009 |
| 241298000 | Prefabricated assembled surface sections or parts | 10 |
| 20080302897 | Refiner Blade and Segment, as Well as a Method of Forming Them and a Method of Modifying Blade Grooves - A refiner blade comprising a blade surface for defibrating a lignocellulose-containing material, the blade surface comprising blade bars and blade grooves provided therebetween. At least one blade groove provided in the blade surface is formed by removing material from the blade surface by water cutting. | 12-11-2008 |
| 20090134258 | PROCESS FOR MAKING CONICAL SPARE PARTS FOR REFINERS FOR THE PRODUCTION OF PAPER - A process for making spare parts for refiners used for producing paper, in particular for making refiners for preparing paper pulps, where the pulp enters at one end and exits on the other side, passing through a rotary body or rotor or male component equipped with bars (or grooves) and a casing or stator or female component bearing fixed counter-bars. This process includes mechanical machining of unmachined sectors; routing or mechanical machining of the machined sectors to obtain a set of bars or grooves or holes; putting together the cone (rotor or stator by joining all of the sectors to the supporting flanges; mechanical machining (turning and grinding) to finish the cone; and balancing of the rotor or stator. | 05-28-2009 |
| 20090173813 | Papermaking refiner plates and method of manufacture - Replaceable refiner fillings used for refining of lignocellulosic and other natural and synthetic fibrous materials in the manufacture of paper, paperboard, and fiberboard products. The refiner fillings include a pattern of blades and spacers defined by a bar cluster, with the bar cluster being the basis of formation of the filling. A method of manufacture provides bar cluster patterns based on factors including pumping angle, plurality of segments in a refiner filling, and the number of clusters in a segment. A bar set cluster is established for uniform fabrication of bar clusters for the refiner fillings. | 07-09-2009 |
| 20090230226 | FACE MOUNTED INSTALLATION FIXTURE AND ASSOCIATED METHODS - A face-mounted carrier for transporting a refiner plate segment for refining lignocellulosic material to a refiner disk. The refiner plate segment may contain threads that facilitate bolting to the face-mounted carrier and bolting to the refiner disk. | 09-17-2009 |
| 20090242679 | WEAR PLATE ASSEMBLY FOR VERTICAL ROTOR OF A PULVERIZER - A wear plate assembly includes a body portion and an abutment flange extending from a radially outer circumferential edge of the body portion and substantially normal thereto. The abutment flange is cooperatively configured with respect to another abutment flange of a respective adjacent wear plate that interengages with the wear plate such that a convoluted edge of the another abutment flange of the respective adjacent wear plate intermeshes with a respective convoluted edge of the abutment flange of the wear plate. At least one polygonal recess and a corresponding abutment ramp are substantially aligned therewith at a same latitude on the body portion, the recess further includes a through hole extending through the wear plate. A first clip configured is partially received in the polygonal recess, the clip having a plurality of exposed impact surface faces. | 10-01-2009 |
| 20140077016 | REFINER PLATE WITH GRADUALLY CHANGING GEOMETRY - A refiner plate segment with a continuous transition zone spanning from the periphery or near the periphery of the plate in a substantial spiral toward the axis of rotation of the plate adjacent the breaker bar zone. | 03-20-2014 |
| 20140217223 | CAST REFINER PLATE SEGMENT WITH BLUNT EDGES AND CORNERS FOR SAFE HANDLING - A cast metal plate segment for a refiner of lignocellulosic material or a disperser of comminuted paper or packaging products, the plate segment including a front side with a front surface configured to refine the lignocellulosic material or disperge the comminuted paper or packaging products, and a back side, opposite to the front side, including a corner or edge, wherein the corner or edge comprises a casted surface between machined planar surfaces adjacent the corner or edge. | 08-07-2014 |
| 20140339348 | REDUCED MASS PLATES FOR REFINERS AND DISPERSERS - A light weight plate segment configured to be mounted on a disc of a disperser or refiner for comminuted cellulosic material including: a front face having disperser teeth or refining bars; a back face having a raised post surrounding a fastener attachment structure and a raised plate positioning section; side edges of the plate segment; and a radially outer edge and a radially inner edge extending between the side edges; wherein the back face lacks raised structures along the side edges. | 11-20-2014 |
| 20160138220 | SEGMENTED ROTOR CAP ASSEMBLY - A rotor cap assembly has been conceived using multiple wedge-shaped rotor cap segments, in which the cap segments are disposed on a cap segment retainer and in which the cap segment retainer pilots the multiple rotor cap segments at a diameter intermediate the cap segments' outer diameter and the cap segments' middle diameter. By piloting multiple rotor cap segments with retaining means on the cap segment retainer and positioning means on the multiple cap segments, the rotor cap segments and cap segment retainer assembly may be fixed to a plate holder or directly to a rotor disc of a refiner without substantially altering either the plate holder or the rotor disc. | 05-19-2016 |
| 20160145798 | Blade Segment of Disc Refiner - A blade segment of a disc refiner for refining fibrous material has an inner circumference and an outer circumference as well as a first side edge and a second side edge which connect the inner circumference and the outer circumference. The side edges are curved, with one convex and the other concave. The segment has a refining surface with blade bars and grooves which define a pumping direction. The side edges of the blade segment curve in the vicinity of the inner circumference in the pumping direction, and in the vicinity of the outer circumference in a non-pumping direction. | 05-26-2016 |
