IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0128740
(2002-04-24)
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발명자
/ 주소 |
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출원인 / 주소 |
- Hopkins Manufacturing Corporation
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대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
4 |
초록
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A wire rack device (10) for supporting and displaying a plurality of stacked funnels (12) in a manner and an orientation which facilitates easier and more convenient consideration, removal, and replacement of one or more of the funnels (12) by customers while shopping and by employees while stocking
A wire rack device (10) for supporting and displaying a plurality of stacked funnels (12) in a manner and an orientation which facilitates easier and more convenient consideration, removal, and replacement of one or more of the funnels (12) by customers while shopping and by employees while stocking. The device (10) broadly comprises two sidepieces (16,17); a forward crosspiece (18); a faceplate (20); two legs (22,23); and a centerpiece (24). In a preferred embodiment, the sidepieces (16,17), the crosspiece (18), and the legs (22,23) are constructed of a single length of wire appropriately bent. Similarly, the centerpiece (24) is also be constructed of a single length of wire appropriately bent and welded to the legs (22,23).
대표청구항
▼
A wire rack device (10) for supporting and displaying a plurality of stacked funnels (12) in a manner and an orientation which facilitates easier and more convenient consideration, removal, and replacement of one or more of the funnels (12) by customers while shopping and by employees while stocking
A wire rack device (10) for supporting and displaying a plurality of stacked funnels (12) in a manner and an orientation which facilitates easier and more convenient consideration, removal, and replacement of one or more of the funnels (12) by customers while shopping and by employees while stocking. The device (10) broadly comprises two sidepieces (16,17); a forward crosspiece (18); a faceplate (20); two legs (22,23); and a centerpiece (24). In a preferred embodiment, the sidepieces (16,17), the crosspiece (18), and the legs (22,23) are constructed of a single length of wire appropriately bent. Similarly, the centerpiece (24) is also be constructed of a single length of wire appropriately bent and welded to the legs (22,23). vibrating the screen at an amplitude of displacement not exceeding one-eighth of an inch of total travel. 8. The method of claim 1, wherein the step of sorting the discharged particles with the screen causing particles having substantially different sizes to be effectively separated from each other comprises the step of: vibrating the screen at an amplitude of displacement between one-eighth of an inch and one sixty-fourth of an inch of total travel. 9. The method of claim 1, wherein the step of sorting the discharged particles with the screen causing particles having substantially different sizes to be effectively separated from each other comprises the step of: vibrating the screen at an amplitude of displacement between one thirty-second and one sixty-fourth of an inch of total travel. 10. The method of claim 1, wherein the step of sorting the discharged particles with the screen causing particles having substantially different sizes to be effectively separated from each other further comprises the step of: introducing a flow of working fluid through the screen in a generally upwardly direction. 11. The method of claim 2, wherein the step of vibrating the screen at a predetermined frequency and a predetermined amplitude further comprises the step of: introducing a flow of working fluid through the screen in a generally upwardly direction. 12. The method of claim 1, wherein the step of adjusting the flow rate of the slurry as it traverses from the inlet to the outlet of the classification tank comprises the steps of: i. positioning a current classifier cell having an intake and an exhaust grate adjacent the input end of the classification tank; ii. introducing a flow of working fluid into the intake of the classifier cell; and, iii. directing the flow of working fluid in the classifier cell through the exhaust grate and into the slurry flow, with the flow exiting the exhaust grate having sufficient velocity to prevent settling of lightweight particles from said slurry flow thereagainst while allowing heavier particles from said slurry flow to overcome the flow exiting the exhaust grate and settle within the classifier cell. 13. The method of sorting a mixture of particles by size and weight of claim 1, wherein the working fluid is a liquid. 14. A method of sorting a mixture of particles according to size and weight, the method comprising the steps of: a. combining the mixture with a working fluid to form a slurry; b. introducing the slurry into a classification tank having an inlet, an outlet, and a plurality of settling stations located therebetween; c. adjusting the flow rate of the slurry as it traverses from the inlet to the outlet of the classification tank to allow particles of similar weight to settle out of the working fluid in accord with a deposition gradient at the settling stations; d. identifying those portions of the deposition gradient which have significant variation in particle size; e. discharging the identified portions of the deposition gradient having significant variation in particle size from those settling stations in closest proximity thereto; f. directing the discharged portions to a screen angled with respect to the horizontal; and, g. sorting the discharged portions with the screen causing particles having substantially different sizes to be effectively separated from each other. 15. The method of claim 14, wherein the angle of the screen with respect to the horizontal is between twenty and fifty degrees. 16. The method of claim 15, wherein the step of sorting the discharged particles with the screen causing particles having substantially different sizes to be effectively separated from each further comprises the step of: introducing a flow of working fluid through the screen in a generally upwardly direction. 17. The method of claim 14, wherein the step of sorting the discharged particles with the screen causing particles having substantially different sizes to be effectively separated from each other comprises the step of: vibrating the screen at a predetermined frequency and a predetermined amplitude. 18. The method of claim 17, wherein the step of vibrating the screen at a predetermined frequency and a predetermined amplitude further comprises the step of: introducing a flow of working fluid through the screen in a generally upwardly direction. 19. The method of claim 17, wherein the step of vibrating the screen at a predetermined frequency and a predetermined amplitude comprises the step of: vibrating the screen with a motor turning at a frequency between three thousand and six thousand revolutions per minute at an amplitude not substantially exceeding one-eighth of an inch of total travel. 20. A method of sorting a mixture of particles which are insoluble in a working fluid, such sorting being by size and weight, the method comprising the steps of: a. combining the mixture with a working fluid to form a slurry; b. introducing the slurry into the inlet of a classification tank having an inlet, an outlet, and a plurality of settling stations located therebetween, with each settling station having at least one discharge valve; c. adjusting the flow rate of the slurry as it traverses from the inlet to the outlet of the classification tank to allow particles of similar weight to settle out of the working fluid in a continuum at the settling stations; d. identifying those settling stations of the classification tank at which particles that have settled have significant variation in particle size; e. discharging the particles at the identified settling stations through the at least one discharge valve associated with the identified settling stations; f. directing the particles discharged through the at least one discharge valve to a plurality of screens; and, g. sorting the discharged particles with said plurality of screens causing particles having substantially different sizes to be effectively separated from each other. 21. The method of claim 20 wherein the step of sorting the discharged particles with said plurality of screens causing particles having substantially different sizes to be effectively separated from each other comprises the step of: vibrating the screens at a predetermined frequency and a predetermined amplitude. 22. The method of claim 21, wherein the step of vibrating the screens at a predetermined frequency and a predetermined amplitude comprises the step of: vibrating the screens with motors turning at a frequency between three thousand and six thousand revolutions per minute at an amplitude not substantially exceeding one-eighth of an inch of total travel. 23. The method as in claim 20, 21, or 22, wherein the plurality of screens have different mesh sizes. 24. A method of sorting a mixture of particles which are insoluble in a working fluid, such sorting being by size and weight, the method comprising the steps of: a. combining the mixture with a working fluid to form a slurry; b. introducing the slurry into a classification tank having an inlet, an outlet, and a plurality of settling stations located therebetween, with each settling station having at least one discharge valve; c. adjusting the flow rate of the slurry as it traverses from the inlet to the outlet of the classification tank to allow particles of similar weight to settle out of the working fluid in a continuum at the settling stations; d. identifying those settling stations of the classification tank at which particles that have settled have significant variation in particle size; e. discharging the particles at said identified settling stations through the at least one discharge valve associated with said identified settling stations; f. directing the particles discharged through the at least one discharge valve to a plurality of screens, with at least one of said screens angled with respect to the horizontal; and, g. sorting the discharged pa rticles with said plurality of screens causing particles having substantially different sizes to be effectively separated from each other. 25. The method of claim 24 wherein the step of directing those particles discharged through the at least one discharge valve to a plurality of screens with at least one of said screen angled with respect to the horizontal comprises the step of: vibrating the screens at predetermined frequencies and at predetermined amplitudes. 26. The method of claim 25, wherein the step of vibrating the screens at predetermined frequencies and at predetermined amplitudes comprises the step of: vibrating the screens with motors turning at a frequency between three thousand and six thousand revolutions per minute at an amplitude not substantially exceeding one-eighth of an inch of total travel. 27. The method as in claim 24, 25, or 26, wherein the screens have different mesh sizes. 28. An apparatus for sorting a mixture of particles which are insoluble in a working fluid, such sorting being by size and weight, the apparatus comprising: a classification tank having an inlet, an outlet, and a plurality of settling stations therebetween; a plurality of flumes, each operatively positioned relative to said classification tank to receive particles discharged from said settling stations of said classification tank, said flumes configured to direct the received particles to a plurality of processing areas, with one of said processing areas including a vibratable screen; wherein, particles come out of suspension and settle out by weight at said settling stations in said classification tank as the slurry traverses said classification tank from said inlet to said outlet, and wherein said settling stations having a significant variation in particle sizes are discharged to a said flume and directed to said processing area having said vibratable screen. 29. The apparatus of claim 28 further comprising a current classifier cell having an intake and an exhaust grate, with the current classifier cell configured to direct a flow of working fluid though the exhaust grate and into a flow of slurry at a flow rate sufficient to prevent settling of lightweight particles from the flow of slurry thereagainst while allowing heavier particles from the flow of slurry to overcome the flow exiting the exhaust grate and settle in the classifier cell. 30. The apparatus of claim 29, wherein the exhaust grate of the current classifier cell is adjustable. 31. The apparatus of claim 28, further comprising a second vibratable screen at a second processing area. 32. The apparatus of claim 28, wherein said screens are vibrated by motors turning at a frequencies of between three thousand and six thousand revolutions per minute, and wherein the amplitude of screen displacement does not substantially exceed one-eighth of an inch of total travel. 33. The apparatus of claim 28, further comprising a sprayer, the sprayer positioned and oriented beneath the vibratable screen so as to direct a flow of working fluid in a generally upwardly direction through the screen; wherein, the generally upwardly directed flow of working fluid facilitates passage of particles through the vibratable screen. 34. An improved particulate material sorting apparatus of the type having a classifying tank for separating particles based on their relative weights, said apparatus having a plurality of settling stations which are operatively connected to a plurality of flumes which direct particulate material deposited in said tank to a plurality of collection areas; the improvement comprising; at least one screen being operatively interposed between one of said flumes and one of said collection areas, said screen being sized to separate particles of a first size from particles of a second, smaller size. 35. The improved particulate material sorting apparatus of claim 34, further comprising: a second screen being operatively interposed between a sec
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