CN106404445B - Material dividing device - Google Patents
Material dividing device Download PDFInfo
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- CN106404445B CN106404445B CN201610875187.9A CN201610875187A CN106404445B CN 106404445 B CN106404445 B CN 106404445B CN 201610875187 A CN201610875187 A CN 201610875187A CN 106404445 B CN106404445 B CN 106404445B
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- hopper
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- 239000000463 material Substances 0.000 title claims abstract description 54
- 238000005070 sampling Methods 0.000 claims abstract description 62
- 230000001939 inductive effect Effects 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 6
- 238000009795 derivation Methods 0.000 claims 1
- 230000006698 induction Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 229910052717 sulfur Inorganic materials 0.000 description 7
- 239000011593 sulfur Substances 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2873—Cutting or cleaving
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a material dividing device which comprises a dividing disc and a rotating motor arranged in the center of the dividing disc, wherein a hopper is arranged above the left side of the dividing disc, a screw feeder is arranged inside the hopper, a sampling through pipe is arranged below an outlet of the hopper and used for sampling, the sampling through pipe is connected with the rotating motor and rotates around a center shaft of the dividing disc, a baffle plate is arranged below the sampling through pipe, a synchronous spring is arranged between the baffle plate and the sampling through pipe, a sample leading-out hole is formed in a bottom plate on the right side of the dividing disc and used for leading out a sample when the sampling through pipe rotates to the upper side of the baffle plate, an induction switch is arranged at the sample leading-out hole and used for sensing the position of the sampling through pipe, and a baffle plate opening and closing device is connected to the induction switch. The material dividing device can effectively realize dividing sampling of materials, ensure that the samples can accurately reflect the integral characteristics of the materials, reduce the occupied area and save the production cost.
Description
Technical Field
The invention relates to the field of engineering machinery, in particular to a material dividing device.
Background
Coal is a solid combustible organic rock, which is formed by plant remains through biochemical action, burial and geological action. The main elements contained in the coal are carbon, hydrogen, oxygen and nitrogen, which account for more than 95%, and the rest elements comprise sulfur, phosphorus, fluorine, chlorine, arsenic and the like. When coal is burned, nitrogen does not generate heat, and is converted into oxynitride and ammonia at high temperature, and the oxynitride and the ammonia are separated out in a free state. Sulfur, phosphorus, fluorine, chlorine, arsenic, etc. are harmful components in coal, among which sulfur is the most important. Most of sulfur is oxidized into sulfur dioxide (SO 2) when coal is combusted, and the sulfur is discharged along with flue gas to pollute the atmosphere, harm the growth of animals and plants and the health of human beings, and corrode metal equipment; when coal containing much sulfur is used for metallurgical coking, the quality of coke and steel is also affected, so the "sulfur content" is one of the important indicators for evaluating the quality of coal. Therefore, in order to obtain comprehensive understanding of the quality of coal, it is often necessary to sample the coal first, and the basic requirement of sampling is that all particles of the sampled coal batch may enter the sampling device, and each particle has equal probability of being sampled into the sample.
In coal sampling equipment, a dividing device is one of indispensable mechanisms. The dividing device is used for obtaining samples from a certain female parent according to dividing proportion. Currently, most of the dividing devices used in coal enterprises generally comprise a conveyor belt for continuous conveying of female parent (coal to be sampled) and a manipulator for gripping samples from the conveyor belt at intervals, wherein the interval time for each time the manipulator grips a sample is determined by a predetermined dividing ratio. In actual operation, materials such as coal tend to have larger water ratio, so when the materials are conveyed by a conveying belt, the materials in areas with large water content are easy to coagulate into blocks, the materials in areas with small water content are more dispersed, the materials are distributed on the conveying belt unevenly, and the overall characteristics of the materials cannot be accurately reflected by a grabbed sample; in addition, the existing conveyor belt sampling mode often needs to occupy a very long area, and is large in occupied area and extremely high in production cost.
Disclosure of Invention
The invention aims to solve the technical problem of providing the material dividing device, which can effectively realize dividing and sampling of materials, ensure that the samples can accurately reflect the integral characteristics of the materials, reduce the occupied area and save the production cost through the structural design of the material dividing device.
The utility model provides a material dividing device, includes the dividing disc and set up in the rotating electrical machines at dividing disc center, dividing disc left side top is provided with the hopper, the inside screw feeder that is provided with of hopper, the export below of hopper is provided with the sample siphunculus, the sample siphunculus is used for the sample take, the sample siphunculus with the rotating electrical machines is connected and the sample siphunculus is around dividing disc axis rotation, the sample siphunculus below is provided with the striker plate, the striker plate is used for controlling the output of sample from sample siphunculus below, the striker plate with be provided with synchronizing spring between the sample siphunculus, be provided with the sample export hole on dividing disc right side bottom plate, the sample export hole is used for the export of sample when the sample siphunculus rotates to its top, sample export hole department is provided with inductive switch, inductive switch is used for responding to the position of sample siphunculus, be connected with the striker plate switching device on the inductive switch.
Preferably, the sampling tube comprises a cylinder, a shaft sleeve and a connecting arm arranged between the cylinder and the shaft sleeve.
Preferably, stirring blades are arranged in the hopper.
Preferably, a supporting frame is arranged at the bottom of the dividing disc.
Preferably, a waste material guiding hole is formed in the dividing disc bottom plate at the position right below the hopper.
Preferably, a cover plate is arranged above the dividing disc.
Preferably, an access door is provided on the cover plate.
Preferably, the striker plate is connected to the rotating electric machine.
The beneficial effects of the invention are as follows: according to the material dividing device, through the structural design, the spiral stirring is carried out on the materials in the hopper through the spiral feeder, the materials are ensured to be crushed uniformly, then the sampling through pipe is adopted once every other week, so that dividing sampling of the materials can be effectively realized, the samples can accurately reflect the integral characteristics of the materials, the occupied area can be reduced, and the production cost is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a material dividing apparatus according to an embodiment of the present invention;
FIG. 2 is a left side view of a material dividing apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of sample loading and discharging of a material dividing device according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a material dividing apparatus A according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a sampling tube according to an embodiment of the present invention.
Detailed Description
In order to better understand the technical solutions in the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments.
All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
Referring to fig. 1 to 5, fig. 1 to 5 provide a specific embodiment of a material dividing apparatus, wherein fig. 1 is a front view of a material dividing apparatus according to an embodiment of the present invention; FIG. 2 is a left side view of a material dividing apparatus according to an embodiment of the present invention; FIG. 3 is a schematic diagram of sample loading and discharging of a material dividing device according to an embodiment of the present invention; FIG. 4 is an enlarged view of a material dividing apparatus A according to an embodiment of the present invention; fig. 5 is a schematic structural view of a sampling tube according to an embodiment of the present invention.
As shown in fig. 1 to 5, the present embodiment provides a material dividing apparatus for dividing a material, which includes a dividing disc 1, a rotary motor 2, a hopper 3, a screw feeder 4, a sampling tube 5, a striker plate 6, a synchronizing spring 7, a sample leading-out hole 8, a sensing switch 9, and a striker plate opening and closing device 10.
The dividing disc 1 is used for bearing installation of the rotating motor 2 and simultaneously for providing space for dividing materials.
The rotating motor 2 arranged in the center of the dividing disc 1 is used for outputting power, and then drives the sampling through pipe 5 to rotate to complete the sample loading and discharging process once.
A hopper 3 is arranged above the left side of the dividing disc 1, and the hopper 3 is used for storing materials to be divided and sampled.
The inside screw feeder 4 that is provided with of hopper 3, screw feeder 4 are used for the stirring of the inside material of hopper 3 and the downward feed of material.
A sampling through pipe 5 is arranged below the outlet of the hopper 3, the sampling through pipe 5 is used for sampling, the sampling through pipe 5 is connected with the rotating motor 2, and the sampling through pipe 5 rotates around the center shaft of the shrinkage disc 1.
Specifically, the sampling tube 5 rotates around the central axis of the dividing disc 1 under the drive of the rotating motor 2, so that the sampling tube 5 passes through the lower part of the outlet of the hopper 3 once every rotation, and then the materials in the hopper 3 fall into the sampling tube 5 to be sampled.
For the scheme, the shrinkage proportion of the materials can be controlled by controlling the feeding speed of the screw feeder 4 and the rotating speed of the sampling through pipe 5, so that samples with different requirements can be obtained.
A striker plate 6 is arranged below the sampling tube 5, and the striker plate 6 is used for controlling the output of a sample from below the sampling tube 5.
In this scheme, setting up of striker plate 6 can realize that sampling siphunculus 5 accomplishes the dress appearance process in the export below of hopper 3, then moves to sample and exports the hole 8 department and accomplish the process of letting out the appearance under striker plate switching device 10 cooperation.
A synchronizing spring 7 is arranged between the baffle plate 6 and the sampling through pipe 5, and the synchronizing spring 7 is used for ensuring that the baffle plate 6 and the sampling through pipe 5 can synchronously operate and closing an outlet below the sampling through pipe 5 after and during sample leakage of the sampling through pipe 5.
The right bottom plate of the dividing disc 1 is provided with a sample guiding hole 8, the sample guiding hole 8 is used for guiding out samples when the sampling through pipe 5 rotates to the upper side of the sample guiding hole, an inductive switch 9 is arranged at the sample guiding hole 8, the inductive switch 9 is used for sensing the position of the sampling through pipe 5, and a baffle plate opening and closing device 10 is connected to the inductive switch 9.
In the implementation process, the sampling tube 5 rotates from a to b to c (the arrow direction in fig. 3 indicates the rotation direction of the sampling tube 5), and when the sampling tube 5 is positioned at a position, the sampling tube 5 is loaded with samples; when the sampling through pipe 5 rotates to be close to the position b and the induction switch 9 senses that the sampling through pipe 5 reaches the position above the sample guiding-out hole 8, the baffle plate 6 is opened by the baffle plate opening and closing device 10 connected with the induction switch 9, so that the sampling through pipe 5 finishes the sample discharging process; when the sampling through pipe 5 is discharged and the sampling is continuously rotated towards the direction c, the sampling through pipe 5 is gradually far away from the induction switch 9, and when the induction switch 9 cannot induce the sampling through pipe 5, the baffle plate opening and closing device 10 loosens the baffle plate 6, the synchronous spring 7 pulls the baffle plate 6 and the sampling through pipe 5 to reset, and the baffle plate 6 closes the sampling through pipe 5 again.
In this embodiment, striker plate switching device 10 is the electro-magnet telescopic link, when inductive switch 9 inducted sampling siphunculus 5 and is close, inductive switch 9 control electro-magnet telescopic link power disconnection, the electro-magnet telescopic link pops out because of losing magnetism and blocks striker plate 6, sampling siphunculus 5 still rotates under rotating electrical machines 2 this moment, thereby sample release process is accomplished to sampling siphunculus 5 lower part export is exposed gradually, when sampling siphunculus 5 is kept away from sample export hole 8 position gradually, the control to the electro-magnet telescopic link can be removed when inductive switch 9 can not sense, electro-magnet telescopic link leads to magnetism again and the telescopic link is retracted, striker plate 6 draws to sampling siphunculus 5 export again under synchronizing spring 7 effect and seals.
In the whole, the material dividing device provided by the invention can effectively realize dividing and sampling of materials through the structural design, ensure that the samples can accurately reflect the whole characteristics of the materials, reduce the occupied area and save the production cost.
In this embodiment, to further facilitate the shrinkage sampling of the material, the sampling tube 5 includes a cylinder 501, a sleeve 502, and a connecting arm 503 disposed between the cylinder 501 and the sleeve 502. In practice, the cylinder 501 is used for sampling, the sleeve 502 is used for sleeving the rotating shaft of the rotating motor 2, and the connecting arm 503 is used for transmitting the rotating force.
In this embodiment, in order to further stir the material uniformly and improve the representativeness of the sample, a stirring blade 11 is provided in the hopper 3.
In this embodiment, to facilitate the installation of the dividing disc 1, a supporting frame 12 is provided at the bottom of the dividing disc 1.
In this embodiment, in order to facilitate collection and classification of the sampled waste, a waste guiding hole 13 is provided on the bottom plate of the dividing disc 1 at a position right below the hopper 3.
In this embodiment, in order to prevent other impurities from falling into the sample, and also to avoid interference of human factors to the sampling process, a cover plate 14 is disposed above the dividing disc 1.
In this embodiment, to facilitate the maintenance of the device, the cover plate 14 is provided with an access door 15.
In this embodiment, in order to further secure the synchronism of the rotation of the striker plate 6 and the rotating electric machine 2, the striker plate 6 is connected to the rotating electric machine 2.
The material dividing device provided by the invention is described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (8)
1. The utility model provides a material dividing device, its characterized in that includes dividing disc and set up in the rotating electrical machines in dividing disc center, dividing disc left side top is provided with the hopper, the inside screw feeder that is provided with of hopper, the export below of hopper is provided with the sample siphunculus, the sample siphunculus is used for the taking of sample, the sample siphunculus with the rotating electrical machines is connected and the sample siphunculus is rotatory around dividing disc axis, the sample siphunculus below is provided with the striker plate, the striker plate is used for controlling the sample and exports from the sample siphunculus below, be provided with synchronizing spring between striker plate and the sample siphunculus, be provided with the sample export hole on dividing disc right side bottom plate, the sample export hole is used for the derivation of sample when the sample siphunculus rotates to its top, sample export hole department is provided with inductive switch, inductive switch is used for the position of sensing the sample siphunculus, be connected with the striker plate on the inductive switch;
wherein, striker plate switching device specifically is the electro-magnet telescopic link.
2. The material dividing apparatus according to claim 1, wherein the sampling tube comprises a cylinder, a sleeve, and a connecting arm disposed between the cylinder and the sleeve.
3. The material dividing apparatus according to claim 1, wherein stirring blades are provided in the hopper.
4. The material dividing device according to claim 1, wherein a supporting frame is arranged at the bottom of the dividing disc.
5. The material dividing device according to claim 1, wherein the dividing disc bottom plate at a position right below the hopper is provided with a discard guiding hole.
6. The material dividing device according to claim 1, wherein a cover plate is arranged above the dividing disc.
7. The material dividing apparatus of claim 6, wherein an access door is provided on the cover plate.
8. The material dividing apparatus of claim 1, wherein the dam is connected to the rotating electric machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610875187.9A CN106404445B (en) | 2016-09-30 | 2016-09-30 | Material dividing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610875187.9A CN106404445B (en) | 2016-09-30 | 2016-09-30 | Material dividing device |
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| Publication Number | Publication Date |
|---|---|
| CN106404445A CN106404445A (en) | 2017-02-15 |
| CN106404445B true CN106404445B (en) | 2023-07-07 |
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| CN201610875187.9A Active CN106404445B (en) | 2016-09-30 | 2016-09-30 | Material dividing device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969961B (en) * | 2017-05-24 | 2023-09-22 | 珠海中电环保设备有限公司 | Multiple crushing, mixing, shrinkage dividing combined sampling machine |
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| USH1026H (en) * | 1990-11-28 | 1992-03-03 | The United States Of America As Represented By The United States Department Of Energy | Rotary bulk solids divider |
| JPH05245410A (en) * | 1992-03-06 | 1993-09-24 | Fuji Jikou Kk | Empty can compression and selection device |
| US5305912A (en) * | 1992-11-12 | 1994-04-26 | Johnston Robert E | Granular material flow divider |
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