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| Number | Title | Issue Date |
| 8418947 | Shredding mechanism for paper A paper shredding mechanism has two rows of shredding units rotating in opposite directions. Each unit has a flat body, with a periphery and left and right sides, and at least one piercer projecting from the periphery for piercing and cutting a paper sheet fed betwe... | 04/16/2013 |
| 8240589 | Method for crushing hot cement clinker The aim of the invention is to provide a roll crusher for a grate cooler for cooling hot bulk material, in particular hot cement clinker, comprising several parallel crusher rolls. Said rolls are driven in opposite directions and comprise respective rotatably mounte... | 08/14/2012 |
| 7748656 | Paper shredder blade A paper shredder blade includes a pair of cylindrical hobs, and each hob includes a polygonal shaft sheathed with many differential blades, allowing the differential blades to be assembled alternately. Each differential blade has two secondary blades, and an inner s... | 07/06/2010 |
| 7533839 | Cutting blade and rotary cutting assembly for shredders The present invention relates generally to cutting blades for shredders. Specifically, this invention teaches cutting blades and a rotary cutting assembly which reduce the power needed to shred paper, plastic, and other forms of media that hold information. This is ... | 05/19/2009 |
| 7500629 | Shredder blade and method of manufacturing same A shredder blade for cross cutting material fed into a shredder and method of manufacturing same. ... | 03/10/2009 |
| 7500630 | Reversible blade for a comminution machine A blade for a comminution machine includes a first attack face facing in a first direction to perform comminution when the blade is rotated about an axis of rotation in a first direction. The blade also includes a second attack face facing in a second direction to p... | 03/10/2009 |
| 7422172 | Paper shredder cutting tool having multiple cutting edges (-) A paper shredder cutting tool having multiple cutting edges (-) constructed from a pair of cylindrical rotary cutters, which are each separately mounted on a polygonal shaft, and a plurality of cutting blades are securely mounted on the shafts. A paper guide is conf... | 09/09/2008 |
| 7401747 | Blade pairs for a paper shredder Blade pairs for a paper shredder comprises two single blades with a flange rib on the surface of each blade, and the flange ribs of two single blades are against each other when shredding the paper. A hole is in the center of each blade. 2-8 corresponding blade poin... | 07/22/2008 |
| 7354012 | Round undulating blade and blade module for shredder The present invention relates to a round undulating blade for shredder, where a sheet metal is integrally formed into a round undulating blade to serve as the blades for constructing a blade module. The blade includes: a periphery; an undulating blade flank includin... | 04/08/2008 |
| 7350387 | Tooling assembly A tooling assembly 10 having a first set of blades which are formed from a first material and a second set of blades which are formed from a second material. More particularly, each carbide blade of each member 62, 64, 66, and 68 is operatively ... | 04/01/2008 |
| 7334748 | Method and apparatus for granulating plastic A granulator has a first coarse cutting stage operating at between 5 and 45 rotations per minute and a second fine cutting stage operating at two to ten times the speed of the first stage. Since granulate exiting the second stage is uniformly divided, the granulator... | 02/26/2008 |
| 7334201 | Method and apparatus to measure hardware cost of adding complex instruction extensions to a processor An apparatus, method, and computer-readable media that provide fast and accurate prediction of the hardware cost of logic to extend a processor. Aspects of the invention enable designers to explore instruction set alternatives at the architectural level without comp... | 02/19/2008 |
| 7328867 | Blade for a paper shredder cutting tool A blade for a paper shredder cutting tool that includes an improved structure for one of two blades of each cutter of two rotary cutters of a paper shredder cutting tool. A protruding ring protrudes from a rim of a center hole of the blade, and the protruding ring a... | 02/12/2008 |
| 7311279 | Self cleaning shredding device having movable cleaning rings A self cleaning cutting assembly is provided, having an array of counter rotating cutters in which a plurality of cutters rotating in a first direction are mounted on a first shaft and a plurality of second cutters are mounted on a second shaft for rotating in an op... | 12/25/2007 |
| 7293729 | Arrangement facilitating single fastener attachment for strikers of a wood comminuting rotor A comminuting striker assembly for mounting on a rotor of a comminuting apparatus comprising: a striker having first and second opposed faces, the first face defining at least one cutting edge, and a striker retainer, the striker and striker retainer defining cooper... | 11/13/2007 |
| 7287308 | Swarf cutter An assembly suited to the lathing of cylindrical workpieces, such as photoreceptor blanks, includes a first drive system which rotates an associated workpiece about an axis of rotation. A machining tool machines a circumference of the workpiece to generate a strip o... | 10/30/2007 |
| 7172147 | Modular blade assembly with alignment means A modular blade assembly having base and blade components and at least one keyplate aligning the base and blade components. The keyplate rests in a recessed groove in each of the base and blade components. Each of the dimensions of the recessed groove in which the k... | 02/06/2007 |
| 7159805 | Methods of modifying fibers Methods of modifying fibers, such as glass fibers, are disclosed. The modified fibers can be used, for example, in a lead acid battery. ... | 01/09/2007 |
| 7048218 | Shredder blade made by punching and bending Disclosed is a shredder blade made by punching and bending that is integrally made by punching a metal sheet having a thickness of about 0.6 mm by a punching die to form a circular blade body, where the circular blade is formed into a serrated cutting edge around it... | 05/23/2006 |
| 7044410 | Round undulating blade and blade module for shredder The present invention relates to a round undulating blade for shredder, where a sheet metal is integrally formed into a round undulating blade to serve as the blades for constructing a blade module. The blade includes: a periphery; an undulating blade flank includin... | 05/16/2006 |
| 7028935 | Apparatus and method for shredding wet chip materials A shredder apparatus and method for shredding wet chip materials in which the shredder utilizes a shredder mechanism having a shaft attached to a frame, a bearing assembly disposed on the shaft, and a rotatable rotor disposed on the bearing assembly. First shredder ... | 04/18/2006 |
| 7007878 | Waste product ripping and grinding machine and methods of constructing and operating the machine A vehicle has a housing mounting within it a rotor assembly comprising parallel shafts having intermeshing cutter discs in axially spaced relation thereon. The discs have radial projections with first cutting edges extending axially to face in a rotatively leading d... | 03/07/2006 |
| 6983903 | Multi-functional shredder The present application discloses a multi-functional shredder that is capable of effectively destroying both paper documents and rigid/semi-rigid objects, such as CDs or DVDs. This multifunctional shredder comprises a housing; a drive system including at least one m... | 01/10/2006 |
| 6981667 | Elliptical acetabuliform blade for shredder The present invention relates to an elliptical acetabuliform blade for shredder, where a sheet metal is punched by a mold to integrally form an elliptical acetabuliform blade, where the periphery of elliptical blade is integrally formed into serration. The serrated ... | 01/03/2006 |
| 6843437 | Disintegrator roll for use in a textile machine A disintegrator roll for use in a textile spinning machine, such as an open-end spinning machine, includes a roll body releasably mounted onto a drive shaft. A fittings carrier with associated fittings is releasably mounted on the roll body. A releasable connection ... | 01/18/2005 |
| 6708912 | Roll retainer and fiber chopper A chopper for chopping continuous items like fiber, fiber strand, yarn, string, wire, tape or ribbon, etc. which enters the chopper in unwound form at a high linear speed is disclosed having improvements that permit the chopper to tilt to change the angle of dischar... | 03/23/2004 |
| 6695240 | Shredding apparatus A shredding apparatus includes a frame and shafts driven to rotate about shaft axes. A plurality of cutter plates are mounted for rotation with the shafts and are arranged in radial overlapping fashion. The cutter plates may each include cutter tooth grou... | 02/24/2004 |
| 6659377 | Apparatus for disengaging insulation material from bales for blowing and method therefor An apparatus and a method for installing insulation from bound insulation bales having a feeder for contacting and moving the insulation bales and a receiving apparatus for disengaging the insulation from unbound bales. A cutter disengages insulation from... | 12/09/2003 |
| 6481654 | Saddle-back hammer and hammer tip A mated hammer and hammer tip combination for releasable engagement are provided. The hammer includes a lower body portion for engagement with a rotor of a size reducing machine, and an upper body portion. The upper body portion of the hammer includes at ... | 11/19/2002 |
| 6402070 | Bone-mill A bone mill has a pair of cutter units, a first cutter unit and a second cutter unit. A bone to be crushed is taken in between the first cutter unit and the second cutter unit. While passing between the first cutter unit and the second cutter unit, the bo... | 06/11/2002 |
| 6390400 | Blade of paper shredder A blade is designed for use in the paper shredder and is formed of a main body which is provided in the center thereof with a through hole for mounting the blade on a shaft rod. The main body is provided in the periphery thereof with one or more notches, ... | 05/21/2002 |
| 6343755 | Tire shredding machinery In rotary tire shredding machinery, cutter assemblies are built onto opposing rotary shafts timed together by meshed teeth of two gears, with spacer groups separating adjacent cutter assemblies, allowing two sets of cutter assemblies to intermesh, with cu... | 02/05/2002 |
| 6250577 | Bearing apparatus for axially stressing a rotor element carried on a rotor shaft The present invention relates to a journal bearing apparatus that is specifically configured to apply an axial load on a rotor element carried on the rotor shaft. The invention includes a bearing cylinder concentrically positioned on the rotor shaft betwe... | 06/26/2001 |
| 6202949 | Pulverizer assembly There is disclosed a pulverizing assembly having paired interconnecting cylindrical chambers wherein each chamber is provided with a rotatable shaft having a plurality of discs mounted thereon and wherein each disc is provided with a plurality of arcuatel... | 03/20/2001 |
| 6168104 | Shredding module used in a paper shredder The present invention provides a shredding module of a paper shredder that can cut more paper with less noise. The shredding module comprises two parallel rotatable shafts and two sets of circular shredding knives installed separately on the two rotatable... | 01/02/2001 |
| 6094795 | Rotary shear A slow speed, high torque shear technology is disclosed having optional configurations and attachments for its construction and methods for reconfiguring existing shears to improve performance, and maintenance economics. A method is provided for the readi... | 08/01/2000 |
| 6089482 | Blade assembly for paper shredders A blade assembly for paper shredders includes a plurality of blades arranged in a series on a rotary shaft. Each of the blades has a central hole and is integrally formed to have long and short projecting plates projecting from opposed sides thereof, resp... | 07/18/2000 |
| 6082644 | Shredder A shredder for brushwood and the like (FIG. 1) has at least one shaft carrying a helically arranged array of cutting discs surrounding the shaft. The discs are individually fixed on lugs which are generally radial to the shaft. As the brushwood is fed alo... | 07/04/2000 |
| 5988544 | Rotary grinder cutting block An interchangeable cast metal block for mounting on a rotor shaft, the shaft having a polygonal cross-section. The block includes a substantially circular body having a central bore complementary to the polygonal cross-section of the rotor shaft such that... | 11/23/1999 |
| 5979285 | Apparatus for cutting dough products An apparatus for cutting dough products fed by a conveyor assembly into a cutting section comprises a segmented, generally spiral-shaped straight cutting blade or three-dimensional or helical-shaped cutting blade having an angled blade edge, the blade att... | 11/09/1999 |
