Diverse Size Or Shape Patents (Class 366/329.1)
  • Patent number: 11273975
    Abstract: A capsule for preparing a beverage comprises a housing with an outlet, and a cavity for containing a powder, an inner membrane between the cavity and the outlet, an agitator, comprising a central shaft, and at least one blade attached to the central shaft. The at least one blade comprises at least one blade element for one or more of piercing and cutting the inner membrane. Further aspects of the invention are an apparatus and a method for preparing a beverage.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: March 15, 2022
    Assignee: NOOTRIE AG
    Inventors: Daniel Junker, Karin Ettlin, Fabian Volkart
  • Patent number: 8651731
    Abstract: The invention relates to a dynamic mixer for viscose components in particular for the mixing of dental compositions, with a rotor (30) and a housing (2), which has front inlet openings (12, 13) for the components and at least one rear outlet opening (20) and the inner space of which includes a pre-chamber (17) and a main chamber (22), with the pre-chamber (17) opening into the main chamber (22) in a distal, tapering transition section (16). For the precise regulation of the concentration of the components to be mixed of the supplied components even with temporary concentration fluctuations of the same and in order to achieve a high degree of homogenization, it is proposed that the dynamic mixer (1) has at least one individual channel (23a-d) as a passage from the pre-chamber (17) into the main chamber (22), with the width of the individual channel (23a-d) extending over a part of the periphery of the transition section (16).
    Type: Grant
    Filed: June 6, 2008
    Date of Patent: February 18, 2014
    Assignee: Sulzer Mixpac AG
    Inventors: Torsten Wintergerste, Hubert Holdener, Percy Leue
  • Patent number: 8651732
    Abstract: The invention relates to a stirring device for activated sludges comprising a hyperboloid stirring body (2) attached to a shaft (1), wherein a plurality of transport ribs (3) are provided on the top (O) of the stirring body (2) running toward the circumferential boundary (UM) thereof, wherein the transport ribs (3) have an oblique course, at least in sections, relative to a radial direction, and wherein an oblique position of the transport ribs (3) is selected such that, when the stirring body (2) rotates in a predetermined rotational direction (R), a flow is generated that is directed radially outward away from the circumferential boundary (UM) of the stirring body (2). In order to improve the efficiency of the stirring device, the invention proposes that at least one propeller (6) be attached to the shaft (1) that, when the stirring body (2) rotates in the rotational direction (R), generates a flow (A) directed toward the top (O) of the stirring body (2).
    Type: Grant
    Filed: July 18, 2008
    Date of Patent: February 18, 2014
    Assignee: Invent Umwelt-und Verfahrenstechnik AG
    Inventor: Marcus Hoefken
  • Patent number: 8414180
    Abstract: A fluid mixing apparatus for mixing a fluid in a circular container includes a circular lid for engaging the open top container. A shaft is rotatably positioned through the lid and is rotatable about a shaft axis. A mixer is attached to the shaft adjacent one end for rotating with the shaft in a plane perpendicular to the shaft axis. The mixer receives the shaft. The mixer has a fixed portion and a hinged portion hingedly connected to the fixed portion. An agitator is mounted to the shaft for agitating a fluid when the apparatus is mounted in a container.
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: April 9, 2013
    Inventors: Jackie R. Mattingly, Robert M. Rolfes
  • Patent number: 8147122
    Abstract: A tip (10) for mixing a plurality of components and for dispensing the mixture. The tip is particularly suited for use with a bulk supply of the components (11). The tip is further particularly suited for the mixing and dispensing of reactive materials. The tip (10) includes a housing (32) having a stator (31) positioned therein. The housing (32) includes a plurality of feeder channels (20, 21) that correspond to outlet channels of the bulk storage device. At least one of the feeder channels (20, 21) has a length dimension such that it extends into the outlet channel of the bulk storage device to prevent cross-contamination of the components held within the bulk storage device.
    Type: Grant
    Filed: March 4, 2004
    Date of Patent: April 3, 2012
    Assignee: DENTSPLY International Inc.
    Inventor: Robert J. Pieroni
  • Patent number: 7816127
    Abstract: A waste treatment apparatus decomposes waste by the microorganisms to perform annihilation treatment. The waste treatment apparatus includes a treatment tank which accommodates the microorganisms together with the waste, and an agitation device arranged to agitate the microorganisms together with the waste. The agitation device includes a plurality of agitating tools arranged at predetermined intervals in the axial direction of a rotation shaft. The agitating tools have paddle arms, respectively, which are disposed so as to be opposed to each other in a diameter direction of the rotation shaft, and blades, respectively, which are disposed at predetermined distances apart from an inner wall of the treatment tank and are inclined with respect to the axis of the paddle arms. The blade on one side is inclined forward in a direction in which the front side thereof with respect to the rotation direction of the paddle arm approaches the rotation shaft.
    Type: Grant
    Filed: September 15, 2004
    Date of Patent: October 19, 2010
    Assignee: Koai Industry Co., Ltd.
    Inventor: Tokumitsu Nomura
  • Patent number: 7757603
    Abstract: A cheese process vat is disclosed. The cheese process vat includes an enclosure and a shaft assembly, preferably a shaft assembly having a shaft and a plurality of agitator panels arranged on the shaft in a planar fashion. The agitator panels are preferably arranged on the shaft such that the shaft assembly is balanced in both weight and agitator panel surface area around the centerline of the shaft.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: July 20, 2010
    Assignee: Advanced Process Technologies, Inc.
    Inventors: Paul R. Bokelmann, Craig J. Campbell, Gary L. Starkson
  • Patent number: 7708257
    Abstract: Apparatus for treating solids, in particular mixing, pelletizing or drying, includes a vessel receiving a solid product, and a driveshaft which is arranged in the vessel. Disposed in fixed rotative engagement with the driveshaft is at least one mixing member which rotates in a rotation direction and has two mixing arms. Each mixing arm includes a main vane of generally triangular cross section to define an apex which is directed in the rotation direction of the mixing member.
    Type: Grant
    Filed: November 14, 2005
    Date of Patent: May 4, 2010
    Assignee: Ekato Solidmix GmbH
    Inventors: Uwe Schmidt, Christian Krumbholz, Martin Amsler
  • Patent number: 7399113
    Abstract: The invention relates to an assembly to produce recipe mixtures, with a variable-speed agitator drive, a mixing chamber (1) whose capacity is matched to the desired quantity of recipe mixture and that is enclosed by a lid (9), and an agitator tool (2). The mixing chamber (1) and the agitator tool (2) may move with respect to each other along the axis of the drive shaft during the production of the recipe mixture. The agitator tool (2) may be driven by means of a drive shaft (15) that may be inserted through a sealable central aperture (11) of the mixing chamber. The agitator tool (2) possesses friction surface areas such that the material is drawn into the spaces between its ends and the opposing inner surfaces of the mixing chamber (1).
    Type: Grant
    Filed: May 25, 2005
    Date of Patent: July 15, 2008
    Inventor: Albrecht Konietzko
  • Patent number: 7384188
    Abstract: A mixing and dispensing apparatus having a lid with an opening extending from a first side to a second side of said lid. A shaft is rotatably positioned through said lid so that a first end of the shaft terminates on the first side of said lid and a second end of the shaft terminates on the second side of the lid. Two or more inner paddles are connected to the shaft and two or more outer paddles are connected to the shaft. The outer paddles extend further away from the shaft than the inner paddles.
    Type: Grant
    Filed: October 24, 2006
    Date of Patent: June 10, 2008
    Assignee: Better Way Tool Company
    Inventors: Breck A. Waggoner, David B. Stott
  • Publication number: 20080094938
    Abstract: A mixing and dispensing apparatus having a lid with an opening extending from a first side to a second side of said lid. A shaft is rotatably positioned through said lid so that a first end of the shaft terminates on the first side of said lid and a second end of the shaft terminates on the second side of the lid. Two or more inner paddles are connected to the shaft and two or more outer paddles are connected to the shaft. The outer paddles extend further away from the shaft than the inner paddles.
    Type: Application
    Filed: October 24, 2006
    Publication date: April 24, 2008
    Applicant: Better Way Tool Company L.L.C.
    Inventors: Breck Allen Waggoner, David Brian Stott
  • Patent number: 7311438
    Abstract: An agitator according to the present invention comprises a container for storing a compound of at least two materials, and an agitation unit mounted in the container to agitate the compound. The agitation unit may comprise a plurality of agitators of which at least one agitator can independently rotate.
    Type: Grant
    Filed: December 30, 2004
    Date of Patent: December 25, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Myoung-Chan Kim, Gwoang-Joe Seorl, Sung-Dae Kim
  • Patent number: 7178973
    Abstract: High levels of treated fumed silica, processing fluid and high molecular weight silicone polymer are continuously compounded into a homogeneous silica filled heat-vulcanizable silicone composition by forming a premix in a continuous annular layer mixer and continuously discharging the premix into a compounding apparatus for compounding to form the filled heat-vulcanizable silicone composition.
    Type: Grant
    Filed: July 2, 2004
    Date of Patent: February 20, 2007
    Assignee: General Electric Company
    Inventors: Jodi Boffard, Navjot Singh, Alan L. Tate, Robert Dean, Devesh Mathur
  • Patent number: 7172338
    Abstract: A stirring mixer for a dental impression material to decrease bubbles to be generated in a mixed dental impression material and the material to be left in a tubular main body, the mixer has a tubular main body wherein a discharging portion is provided following the mixing portion via a throttling portion from an injecting portion to which two pastes are injected, and a stirring rod with protruding stirring blades is rotated by a motor, leading ends of 1st blades are positioned in a largest diameter portion of the throttling portion, leading ends of 2nd, 3rd and 4th blades are positioned in an inner diameter portion of the mixing portion, 1st blade in a rotational direction and interval between 3rd and 4th blades is wider than that between the other adjacent blades, and opposing faces of 3rd and 4th blade to each other bulge towards the other blades.
    Type: Grant
    Filed: August 24, 2004
    Date of Patent: February 6, 2007
    Assignee: GC Corporation
    Inventors: Hiroshi Kamohara, Nobutaka Watanabe
  • Patent number: 6960014
    Abstract: Tempering apparatus having disc-free stirring tool (8) with plate-shaped arms (12, 13). The upper side (14) of each arm (12) has a different geometrical configuration than the lower side (19) thereof. Each neighbouring arm (13) has the opposite configuration of the upper and lower sides (23 and 24). The mass is thereby given an intermittent up- and downwards movement in the mass treatment chamber (2) and the tempering capacity of the apparatus is improved.
    Type: Grant
    Filed: April 18, 2003
    Date of Patent: November 1, 2005
    Assignee: Aasted-Mikroverk APS
    Inventor: Anders Conradsen Kongstad
  • Patent number: 6837612
    Abstract: A device for mixing two paste like compounds, such as a dental molding compound using a catalyst for the acceleration of polymerization. The housing has a mixing area with at least two inlet openings for the compounds and an outlet opening for the mixed compound. The device also has a mixing element that is disposed in the mixing area and propelled around a longitudinal axis. The housing has a coupling section that is situated in front of the mixing area with two coupling openings for connecting with two dispensing openings of a device for dispensing the two paste like compounds. The first and second ducts connect to the couplings via the coupling openings extending through the coupling section into the inlet openings for the mixing area. The two ducts are formed so that the first duct requires a greater time of entry of the compound into the mixing area than the time required for the second compound flowing through the second duct.
    Type: Grant
    Filed: December 30, 2002
    Date of Patent: January 4, 2005
    Assignee: Kettenbach GmbH & Co. KG
    Inventors: Alexander Bublewitz, Mattias Suchan
  • Publication number: 20040257909
    Abstract: A tip (10) for mixing a plurality of components and for dispensing the mixture. The tip is particularly suited for use with a bulk supply of the components (11). The tip is further particularly suited for the mixing and dispensing of reactive materials.
    Type: Application
    Filed: March 4, 2004
    Publication date: December 23, 2004
    Inventor: Robert J. Pieroni
  • Publication number: 20040213082
    Abstract: An ice dispense agitator of a type as may be used in combination ice and beverage dispensing machines is characterized by being manufactured as an integral unit that is first cut from flat metal stock and then formed into a desired final shape by a plurality of bending operations, while requiring minimal welding.
    Type: Application
    Filed: March 29, 2004
    Publication date: October 28, 2004
    Inventor: Andrew J. Tobler
  • Publication number: 20040145966
    Abstract: The present invention is directed to a tickler impeller and agitation system for use in stirred slurry reactors and storage tanks. The tickler impeller when mounted on a shaft is effective for providing an inward and downward swirl in a slurry medium which directs solids suspended in the slurry towards the bottom of the tank and towards the shaft on which the impeller is mounted. Directing solids suspended in a slurry downwards and towards the center of the tank rather than pushing those solids away from the center reduces solid deposits on the side of the tank, facilitates draining of the tank, and reduces nozzle starving and pump starvation.
    Type: Application
    Filed: January 24, 2003
    Publication date: July 29, 2004
    Applicant: DOW GLOBAL TECHNOLOGIES, INC.
    Inventors: Kishore K. Kar, Richard F. Cope, Steve Sandor, Angela Pennington
  • Publication number: 20040081017
    Abstract: Tempering apparatus having disc-free stirring tool (8) with plate-shaped arms (12, 13). The upper side (14) of each arm (12) has a different geometrical configuration than the lower side (19) thereof. Each neighbouring arm (13) has the opposite configuration of the upper and lower sides (23 and 24). The mass is thereby given an intermittent up- and downwards movement in the mass treatment chamber (2) and the tempering capacity of the apparatus is improved.
    Type: Application
    Filed: April 18, 2003
    Publication date: April 29, 2004
    Inventor: Anders Conradsen Kongstad
  • Publication number: 20040062144
    Abstract: The invention relates to a mixing apparatus and a method for mixing gas in a closed mixing reactor, which uses gas as a process chemical with a high efficiency and where the content of pulverous solids in the solution is great. The aim is to obtain a flow in the reactor which sucks gas from above the surface of the liquid using rotating mixing devices in the centre of the reactor, and to mix said gas throughout the reactor capacity. The mixing apparatus of the invention comprises at least two mixers located at different heights, and on the same shaft. The upper mixer is equipped with a central plate attached to the shaft, with essentially vertical inner blades rising upwards and downwards and outer vanes directed outwards from the central plate, which are inclined from the horizontal. The lower mixer is equipped with a central plate attached to the shaft with vertical blades located on the outer edge.
    Type: Application
    Filed: September 29, 2003
    Publication date: April 1, 2004
    Inventors: Stig-Erik Hultholm, Mikko Juusela, Launo Lilja, Bror Nyman
  • Publication number: 20040008574
    Abstract: A propeller for stirring solid-in-liquid suspensions inside a treatment tank is disclosed, comprising a generally axial element consisting of at least a blade with helical development and a generally radial element consisting of a plurality of vanes with generally radial development. Said elements belong to a single central shaft defining a longitudinal rotation axis along which said elements are coaxially arranged one after the other.
    Type: Application
    Filed: March 18, 2003
    Publication date: January 15, 2004
    Inventors: Franco Aver, Franco Nardi
  • Publication number: 20030198127
    Abstract: The present invention relates to a high intensity blending method for producing surface modifications to electrophotographic and related toner particles. The improved method utilizes an improved blending tool comprising a shank having riser members at each end, such risers being angled to the axis of the shank between 10 and 16 degrees and having a height dimension greater than 20 percent of the diagonal dimension of the shank.
    Type: Application
    Filed: May 28, 2003
    Publication date: October 23, 2003
    Applicant: Xerox Corporation
    Inventors: Samir Kumar, Juan A. Morales-Tirado, D. Paul Casalmir, Scott M. Silence, Ying S. Molisani, James M. Proper, Jerry G. Owens, Geraldine Baer
  • Patent number: 6612733
    Abstract: An agitator assembly, in particular for mixing, granulating and drying solid matter, includes a vessel; and an agitator received in the vessel and having at least one sweep blade, with the sweep blade ascending from an inner zone of the vessel to an outer zone thereof at an angle of inclination ranging from about 15° to 60° with respect to the horizontal.
    Type: Grant
    Filed: February 5, 2001
    Date of Patent: September 2, 2003
    Assignee: Ekato Rühr- und Mischtechnik GmbH
    Inventors: Uwe Schmidt, Dirk Stähler
  • Publication number: 20030123323
    Abstract: A device for mixing two paste like compounds, such as a dental molding compound using a catalyst for the acceleration of polymerization. The housing has a mixing area with at least two inlet openings for the compounds and an outlet opening for the mixed compound. The device also has a mixing element that is disposed in the mixing area and propelled around a longitudinal axis. The housing has a coupling section that is situated in front of the mixing area with two coupling openings for connecting with two dispensing openings of a device for dispensing the two paste like compounds. The first and second ducts connect to the couplings via the coupling openings extending through the coupling section into the inlet openings for the mixing area. The two ducts are formed so that the first duct requires a greater time of entry of the compound into the mixing area than the time required for the second compound flowing through the second duct.
    Type: Application
    Filed: December 30, 2002
    Publication date: July 3, 2003
    Inventors: Alexander Bublewitz, Mattias Suchan
  • Publication number: 20030107950
    Abstract: A rotor to establish a swirling flow in liquid(s) contained in a vessel. In one form the rotor includes two parallel spaced apart discs. An array of vanes is interposed between the discs. One of the discs is annular to define an inlet to the array of vanes. The inlet controls the size of an inner core region of the swirling flow. In another form the rotor has at least two hollow spokes directed radially outwardly from the central hub. The spokes each have a passage with an inlet directed toward the hub and a radially directed outlet. Rotation of the rotor produces a flow through the spokes that contributes to the rotational radially outward flow that establishes the swirling flow. In another form of the invention the rotor includes at least two blades directed radially outwardly from a central hub. The blades include at least one surface inclined to the direction of rotation of the rotor.
    Type: Application
    Filed: October 31, 2002
    Publication date: June 12, 2003
    Inventors: Ian Clarence Shepherd, Clive Filleul Grainger
  • Publication number: 20030063521
    Abstract: The present invention relates to a high intensity blending apparatus, particularly for blending operations designed to cause additive materials to become affixed to the surface of base particles. More particularly, the proposed invention relates to an improved blending tool for producing surface modifications to electrophotographic and related toner particles. The tool comprises a shank having riser members at each end, such risers being angled to the axis of the shank between 10 and 16 degrees.
    Type: Application
    Filed: August 31, 2001
    Publication date: April 3, 2003
    Applicant: Xerox Corporation
    Inventors: Samir Kumar, Juan A. Morales-Tirado, D. Paul Casalmir, Scott M. Silence, Ying S. Molisani, James M. Proper, Jerry G. Owens, Geraldine Baer
  • Patent number: 6540395
    Abstract: The subject of the invention is a dynamic mixer for viscous compositions, in particular for components for dental impression compounds. The mixer consists of a mixer tube, a rotor located in the latter, and an end wall with inlet openings through which the components to be mixed pass into the mixer. In doing so, they first alternately fill chambers arranged on the rotor. The composition then flows out of the chambers through admission openings into the mixing channel, where it can be stirred by mixer blades.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: April 1, 2003
    Assignee: Ernst Mühlbauer KG
    Inventors: Wolfgang Mühlbauer, Hans Hörth, Bernd Detje, Guido Meyer, Sven Meyer
  • Publication number: 20030043691
    Abstract: The invention involves a mixing device for mixing a base material with a liquid using a vertical feeder shaft for the base material and a mixing chamber which is arranged below the feeder shaft and into which the liquid is supplied and in which a mixing tool can be driven in rotation, whereby in the feeder shaft, a propeller rotating around a vertical axis is provided, in which blade elements extending in the radial direction are provided. In order to not cause any clogging in the feeder shaft at the propeller, it is proposed to keep individual segments blade-free all the way through over the entire height of the propeller parallel to the axis, when the propeller is rotating in the circumference direction. In this way, a homogenization of the supplied base material is also achieved.
    Type: Application
    Filed: August 15, 2002
    Publication date: March 6, 2003
    Applicant: LIPP Mischtechnik GmbH
    Inventor: Eberhard Lipp
  • Patent number: 6523992
    Abstract: The device for mixing two pasty substances, particularly for mixing a dental impression substance with a catalyst substance, comprises a housing with a substantially tubular portion. At least two inlet openings (68) for the two pasty substances are arranged at the rear end of said housing, and an outlet opening for the mixed pasty substances is arranged at the front end of said housing. The housing comprises a coupling portion joining the tubular portion and having two coupling openings for connecting the housing with two outlet openings of a device for dispensing the two pasty substances. The coupling openings are connected to the inlet openings (68) via first and second channels (64,66) extending through the coupling portion. At least one mixer element is arranged within the tubular portion of the housing for mixing the two pasty substances when the substances are passing through the tubular portion of the housing.
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: February 25, 2003
    Assignee: Kettenbach GmbH & Co. KG
    Inventors: Alexander Bublewitz, Matthias Suchan
  • Patent number: 6517232
    Abstract: A system includes a first pump to meter colorant and a second pump to pressurize a mixture of water and the colorant. Also included is a mixer body defining a chamber with an inlet and an outlet and one or more liquid input ports in fluid communication with the second pump to receive the mixture. The chamber receives solid pieces through the inlet and discharges the pieces through the outlet. One or more rotary conveying members are included that are positioned in the chamber to intermix the mixture and the solid pieces and convey the solid pieces from the inlet to the outlet. These members can be rotated by one or more drivers. A process and system for treating cinders are also disclosed.
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: February 11, 2003
    Assignee: Becker-Underwood, Inc.
    Inventor: David Blue
  • Publication number: 20020136085
    Abstract: High levels of treated fumed silica, processing fluid and high molecular weight silicone polymer are continuously compounded into a homogeneous silica filled heat-vulcanizable silicone composition by forming a premix in a continuous annular layer mixer and continuously discharging the premix into a compounding apparatus for compounding to form the filled heat-vulcanizable silicone composition.
    Type: Application
    Filed: March 28, 2002
    Publication date: September 26, 2002
    Inventors: Jodi Boffard, Navjot Singh, Alan L. Tate, Robert Dean
  • Patent number: 6443612
    Abstract: The dynamic mixer comprises a rotor housing including a cover and a rotatable mixing rotor, the rotor housing cover being provided with inlets for the components to be mixed. For a good premixing of the components, the mixing rotor is provided near the inlets with a rotor disk whose surface is provided on the inlet side with carriers forming chamber sections for carrying along the components to be mixed, and whose circumference is provided with annular gaps through which the components pass to the rear side of the rotor disk and to the rotor hub which comprises mixing elements. Due to the fact that the components are carried along and transferred to the rear side of the rotor disk only at the circumference thereof, the components are metered and premixed, thereby allowing a substantial improvement of the mixing quality and performance.
    Type: Grant
    Filed: November 21, 2000
    Date of Patent: September 3, 2002
    Inventor: Wilhelm A. Keller
  • Patent number: 6394643
    Abstract: A device for mixing two pasty substances is provided with a housing including an essentially tubular section having two radial inlet openings at a rear end and an outlet opening at a front end of the tubular section, and a driveable mixer shaft extending through the tubular section and rotatably supported in the housing. The mixer shaft includes multiple rigid mixer elements protruding from an axis for mixing the two pasty substances when they pass through the tubular section. The mixer shaft includes at the level of the inlet openings at least one deflection element for promoting the axial transportation of the two pasty substances when fed through the inlet openings, wherein the at least one deflection element has a deflection surface extending about the axis and at an inclination to a radial plane of the axis.
    Type: Grant
    Filed: April 16, 2001
    Date of Patent: May 28, 2002
    Assignee: Kettenbach GmbH & Co. KG
    Inventors: Alexander Bublewitz, Matthias Suchan
  • Publication number: 20020031048
    Abstract: A mixing and reducing machine with an upward-conveying mixing spiral that rotates around a vertical rotational axle. In order to achieve a more intensive mixing of the mixed good, it is proposed to connect a second mixing spiral in the axial direction after a first mixing spiral, with a transition zone arranged in between. In this way, zones of different axial conveying capacity are connected after each other in the axial direction. In a preferred embodiment form, the mixing spirals are formed of several mixing blades arranged after each other in the circumferential direction.
    Type: Application
    Filed: May 15, 2001
    Publication date: March 14, 2002
    Applicant: LIPP Mischtechnik GmbH
    Inventor: Eberhard Lipp
  • Patent number: 6350054
    Abstract: Improved apparatus for mechanically stirring a quench-cooled subfluidized particulate bed of polymerized monomer lowers lumping of polymer particles by using substantially contiguous paddle stations disposed along the drive shaft within the reactor in combination with a plurality of sub-stations in at least one paddle station class, each sub-station having a width along the shaft of no more than 50 percent of the total width of the paddle station, and sub-station paddles attached to the shaft at each sub-station so as to sweep through the particulate bed.
    Type: Grant
    Filed: December 7, 1998
    Date of Patent: February 26, 2002
    Assignee: BP Corporation North America Inc.
    Inventors: James Hanawalt Lee, Chi-Hung Lin, Barry F. Wood
  • Patent number: 6331071
    Abstract: A stirring device achieving high stirring efficiency and easy to wash and maintain, is provided. The stirring device includes a vertical cylindrical stirring vessel, a rotary shaft vertically extended within the stirring vessel for rotation, and a stirring vessel constituted of two or more basically rectangular vane plates vertically supported on the rotary shaft in symmetrical relation with each other with respect to the rotary shaft. On an upper portion of the stirring vane, a recess is formed for forming a cone about the rotary shaft when the stirring vane rotates. A lower end of the stirring vane is arranged in the vicinity of a bottom surface of the stirring vessel.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: December 18, 2001
    Assignee: Lintec Corporation
    Inventors: Shoko Akamine, Yasunao Miyazawa, Shigenobu Maruoka
  • Patent number: 6328466
    Abstract: A stirring blade unit includes a perforated cylinder formed around the an internal stirring blade so as to be rotated together with the stirring shaft. The perforated cylinder has perforations which are approximately 30 to 50% of the area of the top and bottom surface of the perforated cylinder. The internal stirring blade unit uses a discharge type stirring blade unit used for gas-liquid mixing of a general fermentation tank. Thus, the gas-liquid flow discharged from the blade unit in the horizontal direction hits the perforated cylinder formed around the blade unit certainly. Due to this hitting of the gas-liquid flow against the perforated cylinder, the pressure of the flow is changed significantly to refine the gas bubbles so that the gas absorption property is improved. The stirring blade unit is suitable for gas-liquid mixing necessary for such as, fermentation, aeration, and reaction (hydrogenation and oxidation) tanks.
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: December 11, 2001
    Assignee: Ajinomoto Co., Inc.
    Inventors: Naohiro Kadota, Yoshitaka Teratani, Hisao Ito, Jun Ikeda
  • Patent number: 6322244
    Abstract: A mixer for mixing loose powder, granular and liquid materials includes a mixing chamber 8 having a rotatable shaft 4 therein. The shaft bears a plurality of radial blades for agitating the materials. Each of the radial blades 13 includes a wedge-shaped first part 14 and a second part 15 connected thereto. The first part includes a thin-edged front end 140 for penetrating the materials and the second part includes a frontal end 150 for impacting the materials. As a result, the mixer produces a high degree of homogenization with a relatively low degree of energy consumption.
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: November 27, 2001
    Assignee: WAM S.p.A.
    Inventors: Vainer Marchesini, Lamberto Vincenzi
  • Publication number: 20010019515
    Abstract: An agitator assembly, in particular for mixing, granulating and drying solid matter, includes a vessel; and an agitator received in the vessel and having at least one sweep blade, with the sweep blade ascending from an inner zone of the vessel to an outer zone thereof at an angle of inclination ranging from about 15° to 60° with respect to the horizontal.
    Type: Application
    Filed: February 5, 2001
    Publication date: September 6, 2001
    Inventors: Uwe Schmidt, Dirk Stahler
  • Publication number: 20010005338
    Abstract: The subject of the invention is a dynamic mixer for viscous compositions, in particular for components for dental impression compounds. The mixer consists of a mixer tube, a rotor located in the latter, and an end wall with inlet openings through which the components to be mixed pass into the mixer. In doing so, they first alternately fill chambers arranged on the rotor. The composition then flows out of the chambers through admission openings into the mixing channel, where it can be stirred by mixer blades.
    Type: Application
    Filed: December 22, 2000
    Publication date: June 28, 2001
    Inventors: Wolfgang Muhlbauer, Hans Horth, Bernd Detje, Guido Meyer, Sven Meyer
  • Patent number: 6244741
    Abstract: A stirring device achieving high stirring efficiency and easy to wash and maintain, is provided. The stirring device includes a vertical cylindrical stirring vessel, a rotary shaft vertically extended within the stirring vessel for rotation, and a stirring vessel constituted of two or more basically rectangular vane plates vertically supported on the rotary shaft in symmetrical relation with each other with respect to the rotary shaft. On an upper portion of the stirring vane, a recess is formed for forming a cone about the rotary shaft when the stirring vane rotates. A lower end of the stirring vane is arranged in the vicinity of a bottom surface of the stirring vessel.
    Type: Grant
    Filed: November 10, 1999
    Date of Patent: June 12, 2001
    Assignee: Lintec Corporation
    Inventors: Shoko Akamine, Yasunao Miyazawa, Shigenobu Maruoka