Class 241/260 - Cooperating non-smooth surface characteristics

Subclass of Class 241 - Solid material comminution or disintegration
Definition: Devices in which one or both of the cooperating surfaces
No. of patents: 32
Last issue date: 12/01/2009

Number	Title	Issue Date
7624939	Kneader A kneader includes a casing with a papermaking material supply opening and a papermaking material outlet located below the papermaking material supply opening; at least first, second, third and fourth rotational shafts provided inside the casing; first blades attach...	12/01/2009
7188792	Refiner rotor assembly with a hub having flow-through ports A refiner including a material-admitting inlet and an outlet; and spaced apart first and second refining discs mounted in the chamber. The refiner further includes a rotary third ref refining disc disposed between the first and second discs. A first path for the mov...	03/13/2007
7152823	Disc mill assembly for pulverizing system A disc mill assembly for a pulverizing system includes: a flywheel, a water jacket, two disc blades, and two ring clamps. In alternate embodiments, the disc mill assembly also includes: an air inlet to provide input air from an external air supply and an improved bl...	12/26/2006
6630277	Toner production system Coarsely crushed toner particles comprising at least a binder resin and a colorant are effectively pulverized by a mechanical pulverizer including a generally cylindrical rotor rotating about an axis and a stator surrounding the rotor with a minute gap fr...	10/07/2003
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
6060102	Method of preparing food supplement A composition and method for preparing a food supplement. The composition consisting essentially of at least 70% by weight of an oil seed constituent, at least 8% by weight of an additional plant constituent and at least 4% by weight of yeast wherein oil ...	05/09/2000
6060101	Dietary food supplement A composition and method for preparing a food supplement. The composition consisting essentially of at least 70% by weight of an oil seed constituent, at least 8% by weight of an additional plant constituent and at least 4% by weight of yeast wherein oil ...	05/09/2000
6007860	Preparing food supplement A composition and method for preparing a food supplement. The composition consisting essentially of at least 70% by weight of an oil seed constituent, at least 8% by weight of an additional plant constituent and at least 4% by weight of yeast wherein oil ...	12/28/1999
6001401	Food supplement composition A composition and method for preparing a food supplement. The composition consisting essentially of at least 70% by weight of an oil seed constituent, at least 8% by weight of an additional plant constituent and at least 4% by weight of yeast wherein oil ...	12/14/1999
5845855	Mechanical grinding apparatus A mechanical grinding apparatus of the present invention, which includes a rotor supported by a rotary shaft and having a plurality of grooves defined on the outer peripheral surface thereof and a liner inserted to the outside of the rotor so as to form a...	12/08/1998
5834048	Dietary food supplement A method for preparing a food supplement. The food supplement consisting essentially of at least 70% by weight of an oil seed constituent, at least 8% by weight of an additional plant constituent and at least 4% by weight of yeast wherein oil seed constit...	11/10/1998
5813618	Continuous cyclindrical wood pulp refiner A continuous cylindrical wood pulp refiner comprising a rotor disposed in a housing having a plurality of structural members. At least one refining plate is mounted to a holder portion of each member such that the entire periphery of the rotor is exposed ...	09/29/1998
5564635	Apparatus for dry disintegration of used paper According to the present invention there are provided a method and an apparatus capable of disintegrating used paper into long pulp fibers without tearing it mechanically. In the apparatus, a wall surface having an undulating section is formed on an inner...	10/15/1996
5390861	Method and apparatus for reducing rubber tire material to a pulverulent form A method and apparatus for processing discarded rubber tires and rubber tire material to reduce the same to a pulverulent form of sufficient quality fiber the manufacture of other articles. Principally the rubber tire is subjected to repeated compression ...	02/21/1995
5360175	Refiner having oscillation reduction means A refiner for the manufacture of cellulose pulp where the raw material is processed in a gap between two opposed refining members rotary relative one another, and where at least one of the refining members is supported on a rotary refiner shaft (2) driven...	11/01/1994
5269476	Comminuting apparatus An apparatus for comminuting commercial and industrial waste, particularly for comminuting paper, wood, plastics, etc., with a material loading chamber, as well as a material outlet region with a receiving container having an outlet opening for the materi...	12/14/1993
5199657	Roller mill A roller mill assembly composed of a pair of rollers spaced apart to form a crushing zone therebetween and having recesses which are dimensioned and shaped so that during the grinding process feed material is embedded in the recesses and fills them to inc...	04/06/1993
5170951	Grinding apparatus A fibrous material grinding apparatus which includes a rotatable grinding device mounted within a housing about which is disposed a number of stationary grinding devices and which are selectively spaced and moveable with respect to the rotatable grinding ...	12/15/1992
4874136	Pulp refining apparatus A pulp refiner has a pair of refiner members with opposed surfaces each including alternating grooves and lands extending between a central port and a peripheral port through which a pulp slurry is passed. The edges of the lands define work edges. Drive m...	10/17/1989
4767070	Grinder for use in grinding apparatus A grinder for use in a grinding apparatus, comprising a pair of rotary and stationary discs facing each other, in which the rotary disc is rotated through a shaft by a drive motor, and in which a large number of grinding material particles are embedded in...	08/30/1988
4723718	Chip crushing surfaces The cooperating surfaces defining a pressing nip in a chip crusher are formed with specific patterns to treat the chips by fissuring to facilitate penetration by cooking chemical for the making of pulp for papermaking and the like. One of the surfaces is ...	02/09/1988
4688727	Fine grinding apparatus for laboratory experiments An apparatus for fine grinding of, in particular, material samples for laboratory experiments. The apparatus has a fixed grinding member and a rotating grinding member, which are disposed in such a way that each has a surface facing the other and slightly...	08/25/1987
4643085	Rotary machine for extraction of juice and puree from tomatoes, fruit and other produce The invention relates to a machine for the extraction of juice and puree from tomatoes, fruit and other produce having certain essential features, namely: a rotor with specially shaped vanes arranged in such a way as to invest the bulk of produce with a t...	02/17/1987
4610397	Comminuting equipment The invention involves equipment comprising what may be referred to as a cutting head cylinder or unit provided with discharge passages and adjacent cutting edges and an improved impeller rotatable in the unit for directing a product or material introduce...	09/09/1986
4562972	Micropulverizer In a pulverizer of the type having, within a casing, a stator and a rotor to be rotated in the stator, both having large numbers of mutually confronting ridges or teeth with a gap therebetween, the gap is 1 mm or less, and the ridges of the stator are of ...	01/07/1986
4260113	Process and apparatus for the production of constituents of particle board panels Chips of scrap wood having a length at least twice the desired length of shavings for the making of particle board panels, as considered in the direction of grain, are fed into a rotor having an annulus of blades which split the chips in the direction of ...	04/07/1981
4238079	Cutting device of a comminuting apparatus A cutting device of an apparatus for comminuting food products has two cutting rings located concentrically to one another and rotatable relative to one another about a common axis, so that an annular slot is bounded therebetween. The cutting rings have a...	12/09/1980
4171103	Apparatus for comminuting waste materials Apparatus for comminuting industrial and/or bulky domestic waste materials has an upright housing with a funnel-shaped section located above a stationary counterknife which cooperates with a single rotary knife therebelow or with two rotary knifes respect...	10/16/1979
4042183	Rotor for mixer-refiner-reactor The inventive rotor operates in a mixer-refiner-reactor of the type shown in U.S. Pat. No. 3,806,050. The rotor body is formed with axially extending dovetail slots opening radially inward from the cylindrical periphery of the rotor body. The slots are fi...	08/16/1977
4020994	Method of correlating the rotor and stator in a mixer-refiner-reactor The invention is a method of correlating the stator and rotor in a mixer-refiner-reactor of the type shown in U.S. Pat. No. 3,806,050. The mixer is set up originally with an estimated correlation between the stator and the rotor by establishing the total ...	05/03/1977
3982704	Grinding disk for disk mills Grinding disk for disk mills, including a plurality of annular rings of cutting tools, wherein each ring of cutting tools is formed of a plurality of annularly spaced apart, generally radially oriented saw teeth sets, with the sets of teeth of radially ad...	09/28/1976
3930878	Method and apparatus for reducing starch-containing material to flour Method and apparatus for converting grains, beans, and like materials into flour, as highly water absorbent starch. The material is introduced into the annular gap between a stationary outer truncated cone member and an inner rotating truncated cone membe...	01/06/1976

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Class 241/260 - Cooperating non-smooth surface characteristics