| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 241240290 | Of fibrous material | 10 |
| 20100294864 | REFINER STATOR PLATE HAVING AN OUTER ROW OF TEETH SLANTED TO DEFLECT PULP AND METHOD FOR PULP DEFLECTION DURING REFINING - A method of refining celluosic fiber material between opposing discs in a refiner including: feeding the fiber material to between the discs; rotating at least one of the discs to propel the fiber material radially outward and between the discs; refining the refining material by passing the material through rows of intermeshing teeth on the opposing discs; and deflecting the refining material as the material flows through an outer row of teeth on one of discs, wherein the teeth in the outer row have a leading sidewall angled to deflect pulp material moving radially between the teeth. | 11-25-2010 |
| 20110155828 | MECHANICAL PULPING REFINER PLATE HAVING CURVED REFINING BARS WITH JAGGED LEADING SIDEWALLS AND METHOD FOR DESIGNING PLATES - A method of mechanically refining lignocellulosic material in a refiner having opposing refiner plates including: introducing the material to an inlet in one of the opposing refiner plates or array of plate segments; rotating at least one of the plates with respect to the other plate, wherein the material moves radially outward through a gap between the plates due to centrifugal forces created by the rotation; passing the material over bars in a refining section of a first one the plates and through grooves between the bars, wherein the bars each include a sidewall with an irregular surface, and discharging the material from the gap at a periphery of the refiner plates. | 06-30-2011 |
| 20120012685 | BAR AND GROOVE PATTERN FOR A REFINER PLATE AND METHOD FOR COMPRESSION REFINING - A method of mechanically refining lignocellulosic material in a refiner having opposing refiner plates including: introducing the material to an inlet in one of the opposing refiner plates; rotating at least one of the plates with respect to the other plate, wherein the material moves radially outward through a gap between the plates due to centrifugal forces created by the rotation; as the material moves through the gap, passing the material over bars in a refiner zone of a first one the plates, each bar in the refiner zone having a leading face and an upper ridge, wherein the leading face includes a sidewall of the bar facing a direction of rotation of the opposing plate and the leading edge has an interior angle of between 150 degrees to 175 degrees, and discharging the material from the gap at a periphery of the refiner plates. | 01-19-2012 |
| 20120018549 | REFINER PLATES HAVING STEAM CHANNELS AND METHOD FOR EXTRACTING BACKFLOW STEAM FROM A DISK REFINER - A refining plate for refining lignocellulosic material including: a radially outer peripheral edge and a substrate surface; a refining zone having a plurality of substantially radially disposed bars and grooves between the bars, wherein the bars protrude upward from the substrate surface and the grooves each have a groove width, and a steam channel traversing the bars and grooves of the refining zone, wherein the steam channel has a radially outer end radially inward of the outer peripheral edge of the plate and the steam channel has a width substantially greater than the groove width. | 01-26-2012 |
| 20120037734 | Method and apparatus for recycling carpet - The present invention is directed to an apparatus and method for separating carpet fibers from a backing material to which said fibers are secured. The apparatus includes a belt for driving a carpet strip having one or more backings and one or more fibers secured on a face of said backing into the operative part of the device. There are a pair of rollers that are adapted to receive the carpet strip from said belt, and pass the carpet strip to a dish plate. The dish plate has an edge extending upwardly from the dish plate. The face of the carpet having the fibers contacts the edge after the carpet passes through the rollers. The edge of the blade holds the carpet presenting it to the main drum. The main drum rotates downwards and has a plurality of pins that shred the carpet backing and tear apart and free the face carpet fibers from the backing fibers. The face fibers pass to a receptacle for recycling. The torn backing fibers, being usually longer and lighter than the face fibers, remain within the pins of the drum and are transported towards the back end of the machine and fall in a different receptacle for recycling. | 02-16-2012 |
| 20120074249 | ROTARY FORMING APPARATUS - A rotary forming apparatus is provided. The rotary forming apparatus includes a separator configured to receive a gas flow having entrained fibrous material and further configured to separate the fibrous material from the gas flow. The fibrous material forms mini-blankets having a length along a longitudinal axis. A milling apparatus is positioned adjacent the separator and configured to receive mini-blankets exiting the separator. The milling apparatus is further configured to grind the mini-blankets into fibers having desired lengths. The milling apparatus is configured to grind the mini-blankets along the lengths of the mini-blankets. | 03-29-2012 |
| 20130256435 | MULTIPASS COMMINUTION PROCESS TO PRODUCE PRECISION WOOD PARTICLES OF UNIFORM SIZE AND SHAPE WITH DISRUPTED GRAIN STRUCTURE FROM WOOD CHIPS - A process of comminution of wood chips (C) having a grain direction to produce a mixture of wood particles (P), wherein the wood chips are characterized by an average length dimension (L | 10-03-2013 |
| 20140077009 | APPARATUS AND PROCESS FOR DEMANUFACTURING MATERIALS FROM COMPOSITE MANUFACTURES - A process for separating carpet fibers from carpet backing uses a grinder of the type having a rotor with a plurality of vertically spaced cutter discs and a fan disc below the cutter discs. Sections of carpet are fed into the grinder which grinds the carpet, separating the fibers from the backing and breaking the backing into relatively small particles. The grinder is connected with a series of ginning equipment for removing the ground backing from the fibers. | 03-20-2014 |
| 20140084090 | METHOD AND DEVICE FOR CLEANING OF PAPER MACHINE CLOTHING WHICH IS TO BE RECYCLED - A method for cleaning structural material which is to be recycled and is obtained from paper making-machine fabrics, in particular forming fabrics or press fabrics, includes the measures of a) comminution of a papermaking-machine fabric in order to obtain fabric-material particles and detaching particulate contaminating material from the papermaking-machine fabric and/or the fabric-material particles; b) separating the fabric-material particles from the particulate contaminating material; c) during or after execution of measure b), detaching contaminating material which adheres to the surface of the fabric-material particles obtained during measure b) by frictional cleaning; and d) during or after execution of measure c), separating the fabric-material particles from the contaminating material which is detached from the surface of the fabric-material particles. | 03-27-2014 |
| 20150115075 | Method and Apparatus for Recycling Carpet - The present invention is directed to an apparatus and method for separating carpet fibers from a backing material to which said fibers are secured. The apparatus includes a belt for driving a carpet strip having one or more backings and one or more fibers secured on a face of said backing into the operative part of the device. There are a pair of rollers that are adapted to receive the carpet strip from said belt, and pass the carpet strip to a dish plate. The dish plate has an edge extending upwardly from the dish plate. The face of the carpet having the fibers contacts the edge after the carpet passes through the rollers. The edge of the blade holds the carpet presenting it to the main drum. The main drum rotates downwards and has a plurality of pins that shred the carpet backing and tear apart and free the face carpet fibers from the backing fibers. The face fibers pass to a receptacle for recycling. The torn backing fibers, being usually longer and lighter than the face fibers, remain within the pins of the drum and are transported towards the back end of the machine and fall in a different receptacle for recycling. | 04-30-2015 |
