US20050166360A1 - Method and system for removing debris - Google Patents
Method and system for removing debris Download PDFInfo
- Publication number
- US20050166360A1 US20050166360A1 US10/953,580 US95358004A US2005166360A1 US 20050166360 A1 US20050166360 A1 US 20050166360A1 US 95358004 A US95358004 A US 95358004A US 2005166360 A1 US2005166360 A1 US 2005166360A1
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- US
- United States
- Prior art keywords
- debris
- air supply
- air
- supply duct
- collection chute
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
- B08B5/023—Cleaning travelling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/34—Devices for discharging articles or materials from conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
- B65G47/525—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices using fluid jets
Definitions
- This invention relates to a method and system for removing debris from a surface.
- the invention relates to a method and system for removing dust and debris from a conveyor belt used for transferring products, such as a package, during mail processing.
- SSIU Singulator-Scan-Induction Unit
- BMCs Bulk Mail Centers
- USPS United States Postal Service
- BMCs or other facilities may use the Automated Package Processing System (“APPS”).
- both the SSIU and APPS use optical character recognition and bar code reading technologies to read the package information—such as the sender or delivery address—for proper sorting.
- the SSIU and APPS also use mechanical conveyors and belts to handle and sort the packages. During this mechanical handling, some packages may break open and debris such as packaging Styrofoam or loose paper may enter the system. Once the debris enters the system, it may interfere with the proper optical reading of the package information, block photodetectors, or create no-reads, thus resulting in unnecessary delays and decreased mail processing efficiency. Additionally, paper dust, which is prevalent in mail facilities, can coat mirrors and camera lenses resulting in decreased readability and increased maintenance hours of the SSIU and APPS.
- the present invention improves package processing efficiency and reduces packaging processing delays by removing some of the unwanted debris present in the mail stream.
- a system for removing debris from a surface comprises a first air supply duct positioned adjacent to the surface, a debris collection chute positioned adjacent to the surface and on the side opposite the first air supply duct, and a blower configured to intake air from the debris collection chute and exhaust air to the first air supply duct.
- the first air supply duct is configured to direct airflow across the surface and the debris collection chute is configured to collect debris.
- the first air supply duct directs airflow across the surface to move debris from the surface to the debris collection chute.
- the first air supply duct may be positioned above the surface, instead of adjacent to the surface.
- the system may further comprise a deflector positioned upstream of the first air supply duct and configured to prevent objects on the surface from contacting the first air supply duct.
- the system further comprises an air intake duct connected to the blower and configured to intake air from the debris collection chute.
- the system may further comprise a filter attached to the air intake duct, wherein the filter is configured to prevent debris and dust from entering the blower.
- the opening of the air intake duct is positioned above and to one side of the collected debris in the debris collection chute.
- FIG. 1 is a perspective view of a debris removal system consistent with exemplary aspects of the invention
- FIG. 2 is a perspective view of deflectors and air supply ducts in accordance with the embodiment of FIG. 1 ;
- FIG. 3 is a top view in accordance with the embodiment of FIG. 1 ;
- FIG. 4 is a front-side view in accordance with the embodiment of FIG. 1 ;
- FIG. 5 is a perspective view of another debris removal system consistent with exemplary aspects of the invention.
- FIG. 6 is a perspective view of yet another debris removal system consistent with exemplary aspects of the invention.
- FIGS. 1-6 a debris removal system 1 for removing unwanted debris 2 from a surface (for example, a belt of a conveyor 4 ) is depicted in FIGS. 1-6 .
- System 1 is designed to remove debris 2 from the belt of a conveyor 4 using a blower 8 , which circulates airflow 20 from air supply ducts 6 across the belt of a conveyor 4 and into a debris collection chute 12 .
- cross means in a lateral direction from one edge of the belt of a conveyor to the opposite edge.
- System 1 may be implemented in a U.S. Postal Service (“USPS”) Bulk Mail Center (“BMC”) for use with Singulator-Scan-Induction Units (“SSIU”) or Automated Package Processing Systems (“APPS”).
- USPS U.S. Postal Service
- BMC Bulk Mail Center
- SSIU Singulator-Scan-Induction Units
- APPS Automated Package Processing Systems
- SSIUs and APPS use optical character recognition for reading information from packages 10 , and unwanted debris 2 (for example, packaging material such as Styrofoam) may interfere with the optical reading of packages 10 or block photodetectors during sorting, which may result in unnecessary delays.
- unwanted debris 2 for example, packaging material such as Styrofoam
- packages 10 and unwanted debris 2 move on the belt of a conveyor 4 in the direction 22 .
- airflow 20 moves the unwanted debris 2 into debris collection chute 12 .
- Heavier packages 10 are not effected by airflow 20 .
- blower 8 takes in air from debris collection chute 12 and exhausts air to a plenum 30 , where the air then flows to air supply ducts 6 .
- plenum 30 is positioned above the belt of a conveyor 4 . This is advantageous, if space limitations, for example, preclude positioning plenum 30 below the belt of a conveyor 4 .
- air supply ducts 6 are positioned above the belt of a conveyor 4 . If air supply ducts 6 cannot be positioned adjacent to the belt of a conveyor 4 , due to limited space, for example, air supply ducts 6 may be positioned above the belt of a conveyor 4 . Placing air supply ducts 6 above the belt of a conveyor 4 , however, may result in packages 10 hitting and possibly damaging air supply ducts 6 .
- a deflector 18 may be placed “upstream” of air supply ducts 6 , as depicted in FIGS. 1 and 2 . As used herein “upstream” is a direction opposite the direction of travel of the belt of a conveyor. Deflectors 18 are configured to laterally move any packages 10 —which may otherwise contact air supply ducts 6 —away from air supply ducts 6 while keeping packages 10 on the belt of a conveyor 4 .
- FIG. 2 depicts using two air supply ducts 6 , although any number of air supply ducts 6 may be used in system 1 .
- FIG. 3 provides a top plan view of air supply ducts 6 , the belt of a conveyor 4 , and the debris collection chute 12 of the embodiment of FIG. 1 .
- air supply ducts 6 direct airflow 20 across and “upstream” with respect to the belt of a conveyor 4 .
- system 1 may be more effective at removing debris 2 if air supply ducts 6 direct airflow 20 at an angle ⁇ away from a direction perpendicular to direction 22 .
- angle ⁇ may be anywhere between 0° and 90°. However, angle ⁇ must be chosen to ensure that the airflow 20 moves the debris 2 into the debris collection chute 12 .
- FIG. 4 provides a front-side view of air supply ducts 6 , the belt of a conveyor 4 , and debris collection chute 12 of the embodiment of FIG. 1 .
- air supply ducts 6 direct airflow 20 down towards the belt of a conveyor 4 and also across the belt of a conveyor 4 at an angle ⁇ from the horizontal plane 26 . Directing airflow 20 at angle ⁇ may more effectively move debris 2 from the belt of a conveyor 4 to debris collection chute 12 .
- FIG. 5 depicts another embodiment of system 1 .
- air supply ducts 6 are positioned adjacent to the belt of a conveyor 4 and terminate at the surface of wall 34 facing the belt of a conveyor 4 .
- Positioning air supply ducts 6 adjacent to the belt of a conveyor 4 instead of over the belt of a conveyor 4 , may eliminate the need for installing deflectors 18 to protect the air supply ducts 6 . Further, installing air supply ducts 6 in this manner does not create a bottleneck for packages 10 as they travel along the belt of a conveyor 4 .
- Positioning air supply ducts 6 adjacent to the belt of a conveyor 4 or placing air supply ducts 6 within wall 34 of an SSIU, for example, may be impractical due to space restrictions.
- FIG. 6 depicts yet another embodiment of system 1 .
- a door 32 is provided with hinges 36 that permits access to the collected debris 38 from the bottom 40 of debris collection chute 12 for removal.
- system 1 is provided with an air intake duct 14 .
- the opening 28 to air intake duct 14 is positioned a few inches above and to one side of collected debris 38 from the bottom 40 of debris collection chute 12 . Positioning opening 28 in this manner may improve system 1 operation by providing improved airflow 20 from the opening 24 of air supply duct 6 to debris collection chute 12 while preventing any debris 2 from entering intake duct 14 and blower 8 .
- opening 28 of air intake duct 14 may positioned elsewhere.
- opening 28 of air intake duct may be positioned either above or below the surface from which the debris is removed.
- air intake duct 14 may include a screen or filter 16 , which further prevents any debris 2 from entering blower 8 .
- the air intake duct may be provided with two or more openings (not shown).
- one opening may be configured to intake air from outside the debris removal system and one opening may be configured to intake air from the debris collection chute.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Prevention Of Fouling (AREA)
- Sorting Of Articles (AREA)
Abstract
A debris removal system for removing debris from a surface. The debris removal system may comprise a first air supply duct positioned adjacent to the surface, a debris collection chute positioned adjacent to the surface and on the side opposite the first air supply duct, and a blower configured to intake air from the debris collection chute and exhaust air to the first air supply duct. The first air supply duct may be configured to direct airflow across the surface and the debris collection chute is configured to collect debris. The first air supply duct may direct airflow across the surface to move debris from the surface to the debris collection chute.
Description
- The present application is related to and claims priority of U.S. Provisional Application No. 60/539,998 filed on Jan. 30, 2004, in the name of Jeffery A. FOX et al and titled METHOD AND SYSTEM FOR DEBRIS REMOVAL, the contents of which are fully incorporated herein by reference.
- Background of the Invention
- This invention relates to a method and system for removing debris from a surface. In a particular embodiment, the invention relates to a method and system for removing dust and debris from a conveyor belt used for transferring products, such as a package, during mail processing.
- Systems designed for automatically processing packages (or parcels) are conventionally known. For example, the Singulator-Scan-Induction Unit (“SSIU”) is a system that automatically processes packages in some Bulk Mail Centers (“BMCs”) of the United States Postal Service (“USPS”). Additionally, BMCs or other facilities may use the Automated Package Processing System (“APPS”).
- In processing packages for delivery, both the SSIU and APPS use optical character recognition and bar code reading technologies to read the package information—such as the sender or delivery address—for proper sorting. The SSIU and APPS also use mechanical conveyors and belts to handle and sort the packages. During this mechanical handling, some packages may break open and debris such as packaging Styrofoam or loose paper may enter the system. Once the debris enters the system, it may interfere with the proper optical reading of the package information, block photodetectors, or create no-reads, thus resulting in unnecessary delays and decreased mail processing efficiency. Additionally, paper dust, which is prevalent in mail facilities, can coat mirrors and camera lenses resulting in decreased readability and increased maintenance hours of the SSIU and APPS.
- For these and other reasons, there is a need for a system to remove debris from the mail stream.
- The present invention improves package processing efficiency and reduces packaging processing delays by removing some of the unwanted debris present in the mail stream.
- In the following description, certain aspects and embodiments of the present invention will become evident, It should be understood that the invention, in its broadest sense, could be practiced without having one or more features of these aspects and embodiments. In other words, these aspects and embodiments are merely exemplary.
- Consistent with the invention, a system for removing debris from a surface is provided. The system comprises a first air supply duct positioned adjacent to the surface, a debris collection chute positioned adjacent to the surface and on the side opposite the first air supply duct, and a blower configured to intake air from the debris collection chute and exhaust air to the first air supply duct. In this aspect, the first air supply duct is configured to direct airflow across the surface and the debris collection chute is configured to collect debris. The first air supply duct directs airflow across the surface to move debris from the surface to the debris collection chute.
- Consistent with the system, as described above, the first air supply duct may be positioned above the surface, instead of adjacent to the surface. In this aspect, the system may further comprise a deflector positioned upstream of the first air supply duct and configured to prevent objects on the surface from contacting the first air supply duct.
- Also consistent with the invention, the system further comprises an air intake duct connected to the blower and configured to intake air from the debris collection chute. The system may further comprise a filter attached to the air intake duct, wherein the filter is configured to prevent debris and dust from entering the blower. In a particular embodiment, the opening of the air intake duct is positioned above and to one side of the collected debris in the debris collection chute.
- The reader should understand that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention.
- The accompanying drawings are incorporated in and constitute a part of this specification. The drawings illustrate exemplary embodiments and, together with the description, serve to explain some principles of the invention. In the drawings,
-
FIG. 1 is a perspective view of a debris removal system consistent with exemplary aspects of the invention; -
FIG. 2 is a perspective view of deflectors and air supply ducts in accordance with the embodiment ofFIG. 1 ; -
FIG. 3 is a top view in accordance with the embodiment ofFIG. 1 ; -
FIG. 4 is a front-side view in accordance with the embodiment ofFIG. 1 ; -
FIG. 5 . is a perspective view of another debris removal system consistent with exemplary aspects of the invention; and -
FIG. 6 is a perspective view of yet another debris removal system consistent with exemplary aspects of the invention. - Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.
- Consistent with the invention, a
debris removal system 1 for removingunwanted debris 2 from a surface (for example, a belt of a conveyor 4) is depicted inFIGS. 1-6 .System 1 is designed to removedebris 2 from the belt of aconveyor 4 using ablower 8, which circulatesairflow 20 fromair supply ducts 6 across the belt of aconveyor 4 and into adebris collection chute 12. As used herein “across” means in a lateral direction from one edge of the belt of a conveyor to the opposite edge. -
System 1 may be implemented in a U.S. Postal Service (“USPS”) Bulk Mail Center (“BMC”) for use with Singulator-Scan-Induction Units (“SSIU”) or Automated Package Processing Systems (“APPS”). SSIUs and APPS use optical character recognition for reading information frompackages 10, and unwanted debris 2 (for example, packaging material such as Styrofoam) may interfere with the optical reading ofpackages 10 or block photodetectors during sorting, which may result in unnecessary delays. - In accordance with the embodiment of
FIG. 1 ,packages 10 andunwanted debris 2 move on the belt of aconveyor 4 in thedirection 22. Aspackages 10 anddebris 2 pass nearair supply ducts 6,airflow 20 moves theunwanted debris 2 intodebris collection chute 12.Heavier packages 10 are not effected byairflow 20. - In the embodiment of
FIG. 1 ,blower 8 takes in air fromdebris collection chute 12 and exhausts air to aplenum 30, where the air then flows toair supply ducts 6. In this particular embodiment,plenum 30 is positioned above the belt of aconveyor 4. This is advantageous, if space limitations, for example, precludepositioning plenum 30 below the belt of aconveyor 4. - In the embodiment of
FIG. 1 ,air supply ducts 6 are positioned above the belt of aconveyor 4. Ifair supply ducts 6 cannot be positioned adjacent to the belt of aconveyor 4, due to limited space, for example,air supply ducts 6 may be positioned above the belt of aconveyor 4. Placingair supply ducts 6 above the belt of aconveyor 4, however, may result inpackages 10 hitting and possibly damagingair supply ducts 6. To minimize the possibility of damagingair supply ducts 6, adeflector 18 may be placed “upstream” ofair supply ducts 6, as depicted inFIGS. 1 and 2 . As used herein “upstream” is a direction opposite the direction of travel of the belt of a conveyor.Deflectors 18 are configured to laterally move anypackages 10—which may otherwise contactair supply ducts 6—away fromair supply ducts 6 while keepingpackages 10 on the belt of aconveyor 4. - The embodiment of
FIG. 2 depicts using twoair supply ducts 6, although any number ofair supply ducts 6 may be used insystem 1. -
FIG. 3 provides a top plan view ofair supply ducts 6, the belt of aconveyor 4, and thedebris collection chute 12 of the embodiment ofFIG. 1 . In this particular embodiment,air supply ducts 6direct airflow 20 across and “upstream” with respect to the belt of aconveyor 4. Becausepackages 10 anddebris 2 move on the belt of aconveyor 4 indirection 22,system 1 may be more effective at removingdebris 2 ifair supply ducts 6direct airflow 20 at an angle α away from a direction perpendicular todirection 22. Depending on the speed of the belt of aconveyor 4 and other factors, angle α may be anywhere between 0° and 90°. However, angle α must be chosen to ensure that theairflow 20 moves thedebris 2 into thedebris collection chute 12. -
FIG. 4 provides a front-side view ofair supply ducts 6, the belt of aconveyor 4, anddebris collection chute 12 of the embodiment ofFIG. 1 . In this particular embodiment,air supply ducts 6direct airflow 20 down towards the belt of aconveyor 4 and also across the belt of aconveyor 4 at an angle β from thehorizontal plane 26. Directingairflow 20 at angle β may more effectively movedebris 2 from the belt of aconveyor 4 todebris collection chute 12. -
FIG. 5 depicts another embodiment ofsystem 1. In this particular embodiment,air supply ducts 6 are positioned adjacent to the belt of aconveyor 4 and terminate at the surface ofwall 34 facing the belt of aconveyor 4. Positioningair supply ducts 6 adjacent to the belt of aconveyor 4, instead of over the belt of aconveyor 4, may eliminate the need for installingdeflectors 18 to protect theair supply ducts 6. Further, installingair supply ducts 6 in this manner does not create a bottleneck forpackages 10 as they travel along the belt of aconveyor 4. Positioningair supply ducts 6 adjacent to the belt of aconveyor 4 or placingair supply ducts 6 withinwall 34 of an SSIU, for example, may be impractical due to space restrictions. -
FIG. 6 depicts yet another embodiment ofsystem 1. In this embodiment, adoor 32 is provided withhinges 36 that permits access to the collecteddebris 38 from the bottom 40 ofdebris collection chute 12 for removal. Further, in this embodiment,system 1 is provided with anair intake duct 14. Theopening 28 toair intake duct 14 is positioned a few inches above and to one side of collecteddebris 38 from the bottom 40 ofdebris collection chute 12. Positioningopening 28 in this manner may improvesystem 1 operation by providingimproved airflow 20 from theopening 24 ofair supply duct 6 todebris collection chute 12 while preventing anydebris 2 from enteringintake duct 14 andblower 8. However, opening 28 ofair intake duct 14 may positioned elsewhere. For example, opening 28 of air intake duct may be positioned either above or below the surface from which the debris is removed. Additionally,air intake duct 14 may include a screen orfilter 16, which further prevents anydebris 2 from enteringblower 8. - Consistent with the system, as described above, the air intake duct may be provided with two or more openings (not shown). In an embodiment where the air intake duct is provided with two openings, one opening may be configured to intake air from outside the debris removal system and one opening may be configured to intake air from the debris collection chute.
- It will be apparent to those skilled in the art that various modifications and variations can be made to the structure and methodology of the present invention without departing from the scope or spirit of the invention. Thus, it should be understood that the invention is not limited to the examples discussed in the specification. Rather, the present invention is intended to cover modifications and variations of this invention.
Claims (20)
1. A system for removing debris from a surface, comprising:
a first air supply duct positioned above the surface, wherein the first air supply duct is configured to direct airflow across the surface;
a debris collection chute positioned adjacent to the surface and on the side opposite the first air supply duct, wherein the debris collection chute is configured to collect debris; and
a blower configured to intake air from the debris collection chute and exhaust air to the first air supply duct,
wherein the first air supply duct directs airflow across the surface to move debris from the surface to the debris collection chute.
2. The system of claim 1 , further comprising a deflector positioned upstream of the first air supply duct and configured to prevent objects on the surface from contacting the first air supply duct.
3. The system of claim 1 , further comprising an air intake duct connected to the blower and configured to intake air from the debris collection chute.
4. The system of claim 3 , further comprising a filter within the air intake duct,
wherein the filter is configured to prevent debris from entering the blower.
5. The system of claim 4 , further comprising a filter within the air intake duct,
wherein the filter is configured to remove dust from the air stream.
6. The system of claim 3 , where there are two openings of the air intake duct, one being configured to intake air outside the debris removal system and a second being configured to intake air from the debris collection chute.
7. The system of claim 3 , wherein the opening of the air intake duct is positioned below the surface in the debris collection chute.
8. The system of claim 3 , wherein the opening of the air intake duct is positioned above the surface in the debris collection chute.
9. The system of claim 3 , wherein there are two openings of the air intake duct, one being positioned below the surface and a second being positioned above the surface in the debris collection chute.
10. The system of claim 1 , further comprising an air intake duct connected to the blower and configured to intake air from outside the debris removal system.
11. The system of claim 9 , wherein one opening of the intake duct is configured to intake air from outside the debris removal system and the second opening is configured to intake air from the debris collection chute.
12. The system of claim 1 , further comprising a second air supply duct positioned on the same side of the surface as the first air supply duct,
wherein the second air supply duct is configured to direct airflow across the surface.
13. The system of claim 12 , further comprising a deflector positioned upstream of the air supply duct and configured to prevent objects from contacting the air supply duct.
14. The system of claim 12 , further comprising a second deflector positioned upstream of the second air supply duct and configured to prevent objects from contacting the second air supply duct.
15. The system of claim 1 , wherein the first air supply duct directs airflow down towards the surface and across the surface at an angle from the horizontal plane.
16. The system of claim 12 , wherein the second air supply duct directs airflow down towards the surface and across the surface at an angle from the horizontal plane.
17. The system of claim 1 , wherein the first air supply duct directs airflow opposite the direction of travel of the surface.
18. The system of claim 12 , wherein the second air supply duct directs airflow opposite the direction of travel of the surface.
19. The system of claim 1 , further comprising a door configured to access debris in the debris collection chute.
20. A method for removing debris, comprising:
directing airflow across the surface via a first air supply duct positioned above the surface to move the debris from the surface to a debris collection chute;
collecting debris in the debris collection chute; and
circulating air from the debris collection chute to the first air supply duct.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US10/953,580 US20050166360A1 (en) | 2004-01-30 | 2004-09-30 | Method and system for removing debris |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US53999804P | 2004-01-30 | 2004-01-30 | |
WOPCT/US04/32237 | 2004-09-30 | ||
PCT/US2004/032237 WO2005074784A1 (en) | 2004-01-30 | 2004-09-30 | Method and system for removing debris |
US10/953,580 US20050166360A1 (en) | 2004-01-30 | 2004-09-30 | Method and system for removing debris |
Publications (1)
Publication Number | Publication Date |
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US20050166360A1 true US20050166360A1 (en) | 2005-08-04 |
Family
ID=34837368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/953,580 Abandoned US20050166360A1 (en) | 2004-01-30 | 2004-09-30 | Method and system for removing debris |
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US (1) | US20050166360A1 (en) |
WO (1) | WO2005074784A1 (en) |
Cited By (3)
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US20080066256A1 (en) * | 2006-09-19 | 2008-03-20 | Mark Aaron Riggs | Container cleaning machine |
CN108554929A (en) * | 2018-03-16 | 2018-09-21 | 合肥普发谐利信息科技有限公司 | A kind of packaging bag cleaning device |
CN111687797A (en) * | 2020-06-22 | 2020-09-22 | 萍乡伊博智能科技有限公司 | A dust removal equipment platform for assembling electronic product |
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CN111687797A (en) * | 2020-06-22 | 2020-09-22 | 萍乡伊博智能科技有限公司 | A dust removal equipment platform for assembling electronic product |
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