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Class 209/434 - Spiral


Subclass of Class 209 - Classifying, separating, and assorting solids
Definition: Devices and methods wherein material having constituents
No. of patents: 19
Last issue date: 11/20/2007


NumberTitleIssue Date
7296686Directional nozzle for a spiral separator
A washing liquid distribution system includes a spiral separator having a plurality of flights, each flight including at least one receiving cup for distributing liquid onto the flight. A directional outlet nozzle is mounted in cup for providing a horizontal outlet ...
11/20/2007
7041218Static device and method of making
A static device and method of making is disclosed for mixing matter flowing therethrough. The invention comprises a tube having a polygonic cross section defining a plurality of corners. The tube is spirally twisted with the plurality of corners forming a plurality ...
05/09/2006
6527125Washing liquid distribution system
A system for delivering the same or differing controllable amounts of washing liquid to several flights of a spiral separator including a housing, a plurality of spaced members having a respective generally vertical passage communicating with fluid in the...
03/04/2003
6102211Rotating gold pan assembly
A separator pan (18) is set into a rearwardly leaning position (FIG. 6). A lower portion of the pan (18) is positioned inside a bucket (10). The pan (18) is mounted for rotation on a frame (20). The frame (20) includes hooks (42) that hook onto the upper ...
08/15/2000
5957303Gold pan with water delivery cups
A plurality of water cups (80) are mounted at the outer periphery of a rotating gold pan (12). In use, the gold pan (12) is supported in a rearwardly leaning position with a lower edge portion in water. During rotation of the gold pan (12), the water cups...
09/28/1999
5868366Gold pan stand
A traditional gold pan 10 with a flat center base 11 with a spiral sidewall guide 20 from the pan rim 13 to the pan base 11 is pivotably mounted to a stand at its top, adjustably secured in a selective tilt orientation, and continuously rotated by a drive...
02/09/1999
5788293Gold pan with agitator knobules and insert cup
A separator for separating gold particles from ore including a rotatable pan, and frame for mounting the pan through a recessed hub cup assembly at an angle from horizontal. The pan includes a frusto-conical side wall. The pan inner surface also includes ...
08/04/1998
5447239Gold pan with flukes and stratifiers
A traditional gold pan 10 with a flat center base 11 with a spiral sidewall guide 20 from a vertical pan rim 13 to the pan base 11 incorporates a plurality of obtuse flukes 30 on the spiral extending into the spiral path to disrupt smooth flow of water an...
09/05/1995
5275294Rotating gold pan for separating gold particles from ore
A separator pan (10) is set into a rearwardly leaning position (FIG. 4 ). A lower portion of the pan sidewall (28) slopes downwardly as it extends outwardly from the pan bottom (12). A spiral rib (32), inside of the pan (10) slopes upwardly as it extends ...
01/04/1994
5273165Rotating gold pan for separating gold particles from ore
A separator pan (10) is set into a rearwardly leaning ng position (FIG. 4). A lower portion of the pan sidewall (28) slopes downwardly as it extends outwardly from the pan bottom (12). A spiral rib (32), inside of the pan (10) slopes upwardly as it extend...
12/28/1993
5108602Straining apparatus with a continuous inwardly helical open channel
The invention relates to a straining apparatus for the separating of solid-liquid mixtures with a downwardly tapering straining basket, the basket inside wall of which has an inclination (଱) increasing from top to bottom, the charging of material to...
04/28/1992
4986424Process and apparatus for separating materials of different shapes or sizes
The invention concerns a process and an apparatus for separating powdery materials shaped as balls or pellets. It is characterized by the use of a vibrating screw elevator (4) subjected to vibrations of an amplitude so selected as to produce on the screw ...
01/22/1991
4839031Process for performing the separation of extruded materials which may or may not show imperfections
The invention relates to a process for the separation of granulate materials, in extruded form of different lengths and of the same or different diameter. It is characterized by the use of a helicoidal vibrating elevator subjected to vibrations whose ampl...
06/13/1989
4804357Minerals separator
To separate minerals, they are mde up into a slurry applied through feed pipe 46 to a vertical-axis spiralinder 32 spinning on its axis to generate 10 g centrifugal force. The spiralinder is also subjected to axial vibration at 5 to 10 Hz. A film of slurr...
02/14/1989
4747943Splitter assembly
This invention relates to a spiral separator (1) which is used for separating particulate material and which is able, when arranged in a linear array of such separators, to be adjusted in concert with the other separators in the array. Specifically the in...
05/31/1988
4563279Spiral separators
The invention relates to a spiral separator supported with its axis substantially vertically which is adapted to receive at an upper end thereof a pulp of water and minerals to be separated. The spiral separator includes a plurality of helical turns where...
01/07/1986
4561973Ore concentrator pad assembly
A method of effecting practical, simple and economical production of ore-concentrating pads of numerous configurations and sizes. Nails are employed to secure extruded strips to a backing sheet and an underlying support, following which the strips are piv...
12/31/1985
4476014Method of making an ore concentrator, and concentrator thus made
A method of effecting practical, simple and economical production of ore-concentrating pads of numerous configurations and sizes. Nails are employed to secure extruded strips to a backing sheet and an underlying support, following which the strips are piv...
10/09/1984
3951813Fluid separator or mixer
A fluid separator or mixer having a rotatable spiral conduit with transverse interior abutments with openings therein providing fluid communication between the interior of the conduit and the outside....
04/20/1976
 
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