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| Number | Title | Issue Date |
| 7413387 | Pneumatic distributor of granular and/or powdery materials, in particular for sowing machines A pneumatic distributor of granular and/or powdery materials includes a main distribution duct having a first end in the region of which an air-flow is injected into the duct under pressure, and a second end. The main duct includes respective adjacent converging-div... | 08/19/2008 |
| 7311476 | Multilayer hydrodynamic sheath flow structure A microfabricated sheath flow structure for producing a sheath flow includes a primary sheath flow channel for conveying a sheath fluid, a sample inlet for injecting a sample into the sheath fluid in the primary sheath flow channel, a primary focusing region for foc... | 12/25/2007 |
| 7300074 | Elbow fitting with step feature for pneumatic transport system An elbow fitting is used in a pneumatic product conveying system in which the fitting expands from the inlet pipe along the outer side of the elbow fitting to enable a layer of accumulated product particles to be formed so as to move at a lower velocity than the vel... | 11/27/2007 |
| 7296952 | Modular tube system for feeding sliders to slider insertion device A modular slider feeder tube system comprising first and second feeder tubes having respective ends that are coupled by a tube coupling device. Each of the first and second feeder tubes is made of resilient material and comprises a respective channel having a profil... | 11/20/2007 |
| 7213617 | Airflow divider with shutoff An air divider having a shutoff plate for converting row spacing on a seeding implement. A reversible shutoff plate has a closed position wherein one end of the plate extends through a slot and completely blocks a leg of a Y-shaped output end of the divider. By reve... | 05/08/2007 |
| 7052213 | Hydraulic food cutter with improved accelerator tube assembly A hydraulic accelerator tube is provided for an improved hydraulic food cutting assembly. The accelerator tube is formed of polyurethane having a durometer hardness within the range of 20–70. It is encased within a clamshell housing which, when installed in the fo... | 05/30/2006 |
| 7021870 | Device for the transport of granular solid particles with a controlled flow rate Process and device for the transport of granular solids with a controlled flow rate, in particular for the transport of catalyst in a hydrocarbon reforming unit. The device comprises a gravity-feed pipe (A) for solid particles in the dense phase, a pneumatic transpo... | 04/04/2006 |
| 7014392 | Device for pneumatic or hydraulic conveying of dusty, powdery or granular bulk material The present invention is directed to a device for pneumatic or hydraulic conveying of dusty, powdery or granular bulk material. The device includes a conveyor line, an inner pipe in the conveyor line that is parallel to the axis and preferably eccentric. The inner p... | 03/21/2006 |
| 6951354 | Elbow fitting for pneumatic transport system An elbow fitting for use in a pneumatic product conveying system expands from the inlet pipe along the outer side of the elbow fitting and contracts along the outer side of the fitting toward the outlet pipe for guiding product particles into the outlet pipe. The ex... | 10/04/2005 |
| 6811358 | Adjustable flow vectoring splitter A material feed apparatus 34 for influencing the travel properties of a feed stream of material 42 moving between a pulverizer 14 and a furnace 12 includes a feed path 36 passing through an upstream passage periphery UPZ. The feed ... | 11/02/2004 |
| 6749374 | Flow development chamber for creating a vortex flow and a laminar flow A pneumatic conveying system for conveying particulate material through a conduit that creates a strong laminar flow of materials and air surrounded by a boundary layer flow of air, such that long transport distances through dramatic elevation and directional change... | 06/15/2004 |
| 6736573 | Selective conveying of unstable articles having a neck ring A selective conveying device is disclosed for conveying unstable articles, such as plastic bottles, having a neck portion with a neck ring thereon. Neck ring supported unstable articles are conveyed in single file along an article conveying path established by first... | 05/18/2004 |
| 6663325 | Transport system for spherical objects and method of using the transport system A transport system for a spherical object. The transport system has a supply of a first fluid and a passageway for communication of a spherical object in a path between an inlet and an outlet. At least part of the passageway is bounded by a first tube hav... | 12/16/2003 |
| 6648558 | Conveying particulate material in a pressurized gas Particulate material entrained in pressurized gas such as compressed air is conveyed from a pressure vessel to a discharge vessel through a conveyor duct. The discharge end of the duct is fitted with a flow restrictor producing a discrete constriction of ... | 11/18/2003 |
| 6581534 | Pneumatic agricultural particulate material delivery system A pneumatic agricultural particulate material delivery system for delivering agricultural particulate material to a growing medium is disclosed. The delivery system includes a particulate material supply chamber, a furrow opening device configured to crea... | 06/24/2003 |
| 6582160 | Hopper tee and integral discharge valve The hopper tee provides increased material flow rates and includes a first hollow pipe section having an upper end and an opposite lower end, the upper end including an inlet opening for connecting to a discharge opening of a hopper for receiving material... | 06/24/2003 |
| 6454495 | Pneumatic transporting method and apparatus Rod-shaped articles of the tobacco processing industry are advanced lengthwise in a conduit by a first air flow. Blasts of compressed air are admitted into the conduit behind successive articles to promote their advancement in a larger-diameter arcuate se... | 09/24/2002 |
| 6443671 | Pneumatic distribution machine with a flat tube bend The invention is a pneumatic delivery line of a type used for distributing seeds or fertilizer. The pneumatic delivery line is guided to the distributor in an essentially vertical manner. The delivery line includes a flat tube bend at some point along its... | 09/03/2002 |
| 6443670 | Powder coating equipment having zero-sum control of conveyance and supplement air lines Powder-coating equipment comprises two throttles (6, 16) each mounted in one of a conveyance-air line (8) and a supplemental-air line (18). The throttles' flow impedance` are adjustable in a motorized manner by providing throttle with its own adjustment m... | 09/03/2002 |
| 6390737 | Cross block for a pneumatic A cross block for use in a pneumatic conveying system. The pneumatic conveying system includes a substantially enclosed plenum and at least two bottle neck support means to support the neck of bottles or containers suspended from the plenum. The cross blo... | 05/21/2002 |
| 6367396 | Pneumatic agricultural particulate material delivery system A pneumatic agricultural particulate material delivery system for delivering agricultural particulate material to a growing medium is disclosed. The delivery system includes a particulate material supply chamber, a furrow opening device configured to crea... | 04/09/2002 |
| 6354789 | Article feeding apparatus An apparatus for feeding semiconductor chips has a structural body having grooves which serve respectively as parallel feed paths for semiconductor chips, the feed paths corresponding to respective quality levels of the semiconductor chips, the structural... | 03/12/2002 |
| 6290266 | Suction elbow provided with built-in guide blades A suction elbow is divided in a plurality of sub-channels similar to each other by one or more guide vanes made of a curved plate and flat plates connected to the curved plate based on the following formulas. p0 =h/{[f/(f-r)]m -1} 1 a | 09/18/2001 |
| 6234722 | Vacuum system for particulate materials and an ejector device therefor An ejector mountable on a planar wall of a housing for gathering and conveying particulate material to within such housing generally consisting of a flat base plate segment mountable on such planar wall member, a first set of flat plates joined together a... | 05/22/2001 |
| 6227770 | Conveyor tube and distributor header for air conveyor An improved conveyor tube and distribution header for air conveyors such as air seeders serves to distribute seed and/or fertilizer products from the aircart to individual delivery tools via pneumatic conveyor tubes. The apparatus is adapted to achieve su... | 05/08/2001 |
| 6227769 | Densifier for powder coating welded cans Methods and apparatus are disclosed for spraying powder into the interior of welded hollow can bodies from a spray gun mounted to the welding arm of a can forming machine. The spray gun can either apply a stripe of highly charged powder on the welded seam... | 05/08/2001 |
| 6224298 | Object transport apparatus having a floating conveying means Grooves for constructing transport passages 12 for transporting semiconductor chips 28 are provided (the grooves are provided in parallel to one another in a number corresponding to quality levels of the semiconductor chips 28). An air blow pipe 27 is pro... | 05/01/2001 |
| 6176647 | Instrument for measuring mass flow rate of powder, and electrostatic powder coating apparatus utilizing the same A miniaturized, inexpensive instrument for measuring the mass flow rate of powder, which is capable of directly outputting the mass flow rate of powder and whose characteristics are not influenced by the kind and physical properties of the powder. The ins... | 01/23/2001 |
| 6030152 | Pneumatic switch with repositionable conduits A pneumatic switch having a wiper seal to inhibit material from escaping from a pneumatic conveying line during a switching process and to maintain the pneumatic conveying line in a closed condition to prevent contamination of the contents of the pneumati... | 02/29/2000 |
| 6012876 | Swirl chamber in pneumatic forwarding tube systems A swirl or pitch changing chamber (16) is interposed at the convergence of a plurality of divergent pneumatic forwarding tubes (11, 12) and communicates with the tubes (11, 12). In the chamber (16), a transporter capsule (15) is caused to perform a comple... | 01/11/2000 |
| 5948341 | Apparatus, system and method for removing parts from a mold Lightweight part retention apparatus is arranged on a removal tool plate. A low pressure air supply is supplied to the apparatus to induce an area of reduced pressure in a channel formed in a passage therein, the reduced pressure being formed by a jet pum... | 09/07/1999 |
| 5931609 | Apparatus and method for moving golf balls from ball washer to ball dispenser An apparatus and method for moving golf balls from a ball washer to a ball dispenser is disclosed. A system of conduits is employed, connecting a ball washer to a dispenser. Balls are forced out of the washer and into an entry conduit where a drain rids t... | 08/03/1999 |
| 5908032 | Method of and apparatus for expanding tobacco A method of and an apparatus for expanding tobacco, particularly tobacco impregnated with solid carbon dioxide are disclosed. The apparatus comprises an arcuate, generally C-shaped duct for conveying the tobacco material in a hot gaseous medium to sublima... | 06/01/1999 |
| 5806397 | Converging tube assembly for hydraulic food cutter A converging tube assembly for use with a hydraulic food cutter is provided having a converging tube for the passage of suspended food product and liquid therethrough from a larger upstream inlet end to a smaller convergent downstream outlet end, said tub... | 09/15/1998 |
| 5590916 | Renewable wear-proof elbow with a detachable buffer chamber A renewable wear-proof elbow is disclosed which can be connected to a pipe and become a part thereof for transporting particles of powdered material via compressed air. The renewable wear-proof elbow comprises a main elbow portion and a buffer chamber. Th... | 01/07/1997 |
| 5568755 | Quick change accelerator tube assembly for hydraulic food cutter A Quick Change Accelerator Tube Assembly for a Hydraulic Food Cutter is provided with an accelerator tube liner (10) formed of resilient material. Formed integral with liner (10) are inlet flange (14) and outlet flange (16). The lower half of liner (10) i... | 10/29/1996 |
| 5567090 | Method and apparatus for separating solids from gas in a high pressure solids-gas stream utilizing a packed bed of the solids Separation of a high temperature (e.g., 300°-1200° C.) and high pressure (e.g., 2-20 bar) solids-gas stream from a pressurized fluidized bed reactor into solids and gas while reducing the pressure of both the gas and solids takes place in a vertical de-... | 10/22/1996 |
| 5531484 | Elbow provided with guide vanes An elbow is provided with guide vanes disposed as to make the shapes of the sub-channels defined thereby similar to each other.... | 07/02/1996 |
| 5385434 | Electrical connector delivery system A connector delivery system delivers an electrical connector component from a storage container to a processing station regardless of the relative orientation of the storage container to the processing station. The storage container contains a plurality o... | 01/31/1995 |
| 5288111 | 90 degree elbow for pneumatic transport pipes A 90° elbow for pneumatic transport pipes includes a tubular asymmetric cross-sectional expansion at the entrance side, a baffle plate along the outer elbow side and a tubular asymmetric cross-sectional contraction at the exit side of the elbow. The baff... | 02/22/1994 |
