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Class 34/179 - Stationary receptacle or tube with agitator or conveyor


Subclass of Class 34 - Drying and gas or vapor contact with solids
Definition: Apparatus including a stationary receptacle or tube that
No. of patents: 67
Last issue date: 01/08/2008


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NumberTitleIssue Date
7316079Method for drying resin pellets
An apparatus for drying resin pellets to be supplied to a molding machine under reduced pressure of a desired level by a reduced pressure drying means comprises a preheating means for heating resin pellets to be supplied to the reduced pressure drying means to a tem...
01/08/2008
7192989Method and expansion device for preparing expanded thermoplastic microspheres
The present invention relates to a method of preparing expanded thermoplastic microspheres, comprising charging thermally expandable microspheres into an expansion device comprising rotating feeding means enveloped by a hollow body, and one or more scrapers. The inv...
03/20/2007
7097051Hanger rod for drying cabinet
A hanger rod for a clothes drying cabinet includes a plurality of notches, each adapted to receive a hanger. Each notch is V-shaped, with opposite side walls which converge downwardly to a substantially pointed apex. The rod has front and rear walls defining a thick...
08/29/2006
7025555Sweep auger with drive assembly
A sweep auger having an auger that is rotated about its longitudinal axis by a power means and a drive assembly having at least three reduction gears that operatively connect the auger to a drive wheel such that the drive wheel rotates at a speed that is substantial...
04/11/2006
6959504Emptying unit for recovering bottom residue, particularly in drying filters, drying units, and the like
An emptying unit for recovering bottom residue, particularly in drying filters, drying units and the like, comprising, inside a container for treating and containing dried product, fluid introducing elements for moving the bottom residue of the dried product. A disc...
11/01/2005
6941676Apparatus for freeze-drying foodstuffs and medicaments
Disclosed is a freeze-drying apparatus for foodstuffs, medicaments, etc., wherein liquid material is directly and distributively poured into upright cylindrical tubes, then, in its isolated state from external atmosphere for perfect sterilization, the liquid materia...
09/13/2005
6910801Agitating and mixing device
The object of the present invention is to provide a device with a simple structure which can uniformly mix bulk materials. A device comprises a rotary shaft 6 to be rotated by a driving means 3, a container outer shell 7 fixed to the rota...
06/28/2005
6745490Distributive ejection device for liquid material to be used in freeze-drying apparatus for foodstuffs, medicaments, and so on
This invention is concerned with a distributive ejection apparatus for liquid material in a freeze-drying apparatus for foodstuffs, medicaments, etc., wherein the liquid material adjusted from the starting material for foodstuffs, medicaments, etc. is caused to free...
06/08/2004
6722056Drying vapor generation
Drying semiconductor wafers or substrates by introducing an polar organic compound in liquid form into or onto means for enhancing evaporation within a process chamber and allowing the liquid to evaporate and form a drying vapor within the process chamber. ...
04/20/2004
6655039Centrifugal dryer
For separating and drying pellets from a suspension, centrifugal dryers have proved successful wherein a rotor equipped with conveyor blades and disposed vertically in an outside housing for collecting the liquid is enclosed coaxially by a hollow body for...
12/02/2003
6533124Quality control system for monitoring and control of contaminants in recycled plastics
An apparatus and process for continuously discriminating between a contaminated plastic material containing trapped volatile contaminants and plastic material which contains an acceptable threshold of contaminants including first supplying a continuous so...
03/18/2003
6481117Apparatus for continuously drying vegetables, particularly leaf vegetables
The invention relates to an apparatus for continuously drying vegetables, particularly leaf vegetables, comprising a mechanical drying section and a thermodynamic drying section, said mechanical drying section comprising a preliminary dripping section and...
11/19/2002
6470592Method and apparatus for freeze-drying of foods, medicaments, etc.
A process is provided for freeze-drying medicaments and foodstuffs comprising dissolving the foodstuffs or medicaments in a solvent, introducing the solution formed into a shell comprising a desiccating chamber of a shell-tube freeze-drying device to caus...
10/29/2002
6393722Chamber and installation for drying animal waste
The invention concern a chamber for drying animal waste, in particular poultry manure, adapted to receive a mixture (M) of fresh waste and dry waste, the floor thereof being adapted to retain the mixture (M) while being permeable to air (A), said floor co...
05/28/2002
6226889Continuous rotary vacuum retort apparatus and method of use
The present invention relates to a method and apparatus for use in removing at least one volatile contaminant from contaminated material by using a rotary vacuum retort during high temperature and vacuum processing. The loading and unloading are performed...
05/08/2001
6189234Continuous flow fluid bed dryer
A continuous flow fluid bed dryer has a dryer housing having a drying chamber and a plenum chamber located beneath the drying chamber. Moist product to be dried is introduced to the drying chamber at a product inlet and proceeds through the drying chamber...
02/20/2001
6170168Circular drying element and drying plant with such a drying element
Annular drying element (15) for mounting on a rotor axle in a drying plant for indirect heating or cooling of moist, comminuted, biological material such as fishmeal, offal from slaughterhouses, mash from breweries and similar materials of animal, vegetab...
01/09/2001
6139313Furnace having toroidal fluid flow heating zone
There is described a furnace of the kind in which a toroidal fluid flow heating zone may be established. The furnace includes a chamber (7a) in which there is provided an inner block and a ring of angled blades (21) between the inner block and an inner wa...
10/31/2000
6119367System for drying semiconductor wafers using ultrasonic or low frequency vibration
In order to remove water adhering to the surfaces of cleaned semiconductor wafers W, a vibration transmitting device 20 capable of approaching the surfaces of the semiconductor wafers W, and an oscillator 25 for applying an ultrasonic vibration to the vib...
09/19/2000
6105275Continuous rotary vacuum retort apparatus and method of use
The present invention relates to a method and apparatus for use in continuously loading material to be treated into a rotary vacuum retort and continuously unloading one or more vapors or similar volatile substances and treated material out of the rotary ...
08/22/2000
6035546Device for heat-treating bulk materials in feed screws and bulk material drying method
Device for the thermal treatment of bulk material with a screw conveyor transporting the bulk material which is equipped with infrared heat radiators in a tempering zone, characterized in that the infrared heat radiators are arranged in the screw conveyor...
03/14/2000
5887972Extruder for plastic granules
An extruder for melting plastic granules which is designed as a two-stage system in an integrated structural unit with an extruder chamber having an extruder screw in a heatable housing, as well as with a drying chamber having a heated conveying screw wit...
03/30/1999
5869810Impedance-heated furnace
There is disclosed an impedance-heated furnace for processing a nonflowable but conveyable material at the processing temperature comprising a nonrotating shell having electrical-conducting properties, and heated to a processing temperature using electric...
02/09/1999
5857264Dryer, particulary for granular or powdered products
The dryer includes a double-walled casing, the inner wall of which defines a cylindrical drying chamber for receiving the products and the outer wall and the inner wall of which define between them an interspace for the circulation of a diathermic fluid. ...
01/12/1999
5806205Method and apparatus for dehydrating particulate material
The apparatus includes a channel having an inlet end for receiving particulate material to be dehydrated and an outlet end for discharging the particulate material in a dehydrated condition. A screw conveyor rotatably mounted in the channel advances the p...
09/15/1998
5746007Aggressive convective drying in an agitated pan type dryer
The present invention relates to improved drying techniques which increase the capacity and efficiency of agitated pan type dryers. In particular, the present invention relates to an agitated pan type dryer apparatus and method for aggressive convective d...
05/05/1998
5724751Process and apparatus for drying organic or inorganic materials
A method of drying organic or inorganic material or a mixture thereof, said material containing a liquid or liquids, which comprises introducing said material interiorly of a rotating rotor carrying on its periphery oscillating rotor blades, said rotor ro...
03/10/1998
5709036Aggressive convective drying in a conical screw type mixer/dryer
The present invention relates to improved drying techniques which increase the capacity and efficiency of agitated pan type dryers. In particular, the present invention relates to a conical screw type mixer/dryer apparatus and method for aggressive convec...
01/20/1998
5671550Proportioning particulate conveying apparatus
The invention relates to a particulate conveying apparatus for evenly drying particulate material. The apparatus comprises a plurality of spatially separate, essentially parallel, vertically oriented proportioning plates, disposed between a first end and ...
09/30/1997
5659971Aggressive convective drying in an nutsche type filter/dryer
The present invention relates to improved drying techniques which increase the capacity and efficiency of agitated pan type dryers. In particular, the present invention relates to a nutsche type filter/dryer apparatus and method for aggressive convective ...
08/26/1997
5596816Method for drying particulate material
A method is disclosed for drying particulate material, particularly alumina, which comprises the steps of subjecting a first portion of a wet particulate material feed to pre-drying to produce at least partially dried particular material and moisture, hea...
01/28/1997
5592748Heat treatment of solid catalyst or adsorbent particles in the presence of fluid in a vibrating helical coil
An apparatus for the treatment of solid particles having a substantially circular metal coil with at least two turns helically would around a vertical axis and a central shaft, a lateral pipe for introducing particles and a lateral pipe for drawing off pa...
01/14/1997
5570516Drying system having continuously connected close spiral conveyers
Disclosed is a drying system having continuously connected close spiral conveyers mainly including a material mixer, a pump, a plurality of spiral conveyers connected end-to-end and zigzagging their way from top to bottom, a plurality of steam chambers ar...
11/05/1996
5546676Aggressive convective drying in an agitated pan type dryer
The present invention relates to improved drying techniques which increase the capacity and efficiency of agitated pan type dryers. In particular, the present invention relates to an agitated pan type dryer apparatus and method for aggressive convective d...
08/20/1996
5544424Aggressive convective drying in a conical screw type mixer/dryer
The present invention relates to improved drying techniques which increase the capacity and efficiency of agitated pan type dryers. In particular, the present invention relates to a conical screw type mixer/dryer apparatus and method for aggressive convec...
08/13/1996
5544425Aggressive convective drying in a nutsche type filter/dryer
The present invention relates to improved drying techniques which increase the capacity and efficiency of agitated pan type dryers. In particular, the present invention relates to a nutsche type filter/dryer apparatus and method for aggressive convective ...
08/13/1996
5531034Horizontal dryer having a screw conveyor and ring electrical heating elements
A continuous dryer for minerals and ores which employs a single horizontal screw conveyor in a cylindrical drying chamber with a plurality of external electrical heating elements surrounding the drying chamber. The screw conveyor has cut and folded flight...
07/02/1996
5465503Dryer densifier
A dryer densifier includes a hopper for receiving wet, dry and/or flaky thermoplastic waste material. The hopper feeds an auger barrel which is heated and insulated whereby material passing therethrough may be dried and fused together with other material....
11/14/1995
5333396Drying apparatus having a rotary spiral blade and a baffle plate in opposition thereto
A drying apparatus for removing moisture content from a substance to be dried, comprises a peripheral wall defining a working space for drying the substance, the peripheral wall defines at least an inlet for charging the substance to be dried, an outlet f...
08/02/1994
5263267Method and apparatus for reducing volatile content of sewage sludge and other feed materials
Apparatus for the drying of sludges and other fouling feed materials. A rotary screw type indirect heat exchanger is provided having at least one screw member. The screw member includes a helical-shaped flight having a helix angle of about 10 degrees or l...
11/23/1993
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