EP2769020A1 - Spread unit for spreading granular material - Google Patents

Spread unit for spreading granular material

Info

Publication number
EP2769020A1
EP2769020A1 EP12799604.9A EP12799604A EP2769020A1 EP 2769020 A1 EP2769020 A1 EP 2769020A1 EP 12799604 A EP12799604 A EP 12799604A EP 2769020 A1 EP2769020 A1 EP 2769020A1
Authority
EP
European Patent Office
Prior art keywords
unit according
mobile
rollers
longitudinal direction
belt
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.)
Granted
Application number
EP12799604.9A
Other languages
German (de)
French (fr)
Other versions
EP2769020B1 (en
Inventor
Enzo Giletta
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Giletta SpA
Original Assignee
Giletta SpA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Giletta SpA filed Critical Giletta SpA
Priority to SI201230407T priority Critical patent/SI2769020T1/en
Priority to PL12799604T priority patent/PL2769020T3/en
Publication of EP2769020A1 publication Critical patent/EP2769020A1/en
Application granted granted Critical
Publication of EP2769020B1 publication Critical patent/EP2769020B1/en
Priority to HRP20151388TT priority patent/HRP20151388T1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
    • E01C19/20—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders
    • E01C19/201—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders with driven loosening, discharging or spreading parts, e.g. power-driven, drive derived from road-wheels
    • E01C19/202—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders with driven loosening, discharging or spreading parts, e.g. power-driven, drive derived from road-wheels solely rotating, e.g. discharging and spreading drums
    • E01C19/203—Centrifugal spreaders with substantially vertical axis
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H10/00—Improving gripping of ice-bound or other slippery traffic surfaces, e.g. using gritting or thawing materials ; Roadside storage of gritting or solid thawing materials; Permanently installed devices for applying gritting or thawing materials; Mobile apparatus specially adapted for treating wintry roads by applying liquid, semi-liquid or granular materials
    • E01H10/007—Mobile apparatus specially adapted for preparing or applying liquid or semi-liquid thawing material or spreading granular material on wintry roads
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
    • E01C19/20—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders
    • E01C2019/2055—Details not otherwise provided for
    • E01C2019/207—Feeding the distribution means
    • E01C2019/2075—Feeding the distribution means with longitudinal conveyor belt

Definitions

  • the present invention relates to a spread unit for spreading granular material .
  • the present invention relates to a spread unit for spreading anti- icing granular material to be distributed on extended surfaces such as, e.g., pavings in general, street surfaces, parking lots, harbour and airport areas, to which ⁇ the following disclosure will explicitly refer without however being less general.
  • spread units for spreading anti-icing granular material, each comprising a hopper container, accommodating a mass of such material and having a lower opening, a spread device and a feed conveyor adapted to receive the material flowing out from said opening and to move it towards the spread device.
  • the object of the present invention is to make a spread unit, which allows the above-mentioned problems to be solved in a simple and cost-effective manner.
  • a spread unit is made for spreading granular material; the unit comprising a collection compartment for said granular material, a lower outlet opening for the exit of the granular material from said collection compartment, conveying means adapted to receive said granular material flowing out from said lower outlet opening and feed it in a longitudinal direction; said conveying means comprising a fixed support surface arranged below said compartment and in a position facing said outlet opening to support the material contained in said compartment, transporting means to feed the material arranged on said fixed support surface in said longitudinal direction, and belt dosing means arranged downstream of the fixed support surface and of said opening in said longitudinal direction and adapted to receive the material arranged on said fixed support surface .
  • said dosing means comprise a mobile transport surface movable in said longitudinal direction and is substantially coplanar with said fixed support surface; said conveying means moving said material on said mobile transport surface.
  • said transport means and said mobile surface also translate in said longitudinal direction at the same translation speed.
  • numeral 1 indicates a spread unit for spreading granular material as a whole, such as for example an anti-icing saline substance, on an extended surface 2 such as e.g. a paving in general, a street surface, a parking lot, a harbour or airport area, etc.
  • the unit comprises a frame 3 adapted to be connected, for example to a self-propelled unit 4 (partially shown) , and a container 5 for the granular material and supported by frame 3.
  • Container 5 comprises a front frontal wall 6, a rear frontal wall 7 and two side walls 8 (only one of which is seen in the accompanying drawing) , which converge towards each other and downwards to define, with the frontal walls 6, 7, an outlet 9 which is elongated in a longitudinal direction A.
  • unit 1 also comprises a disk spreader 10, in itself known and not described in detail, for distributing the granular material over the above-mentioned extended surface 2, and a conveyor and dosing assembly 11 for feeding the material in the longitudinal direction A and generating a homogeneous and continuous flow of material towards spreader 10.
  • a disk spreader in itself known and not described in detail, for distributing the granular material over the above-mentioned extended surface 2, and a conveyor and dosing assembly 11 for feeding the material in the longitudinal direction A and generating a homogeneous and continuous flow of material towards spreader 10.
  • the conveyor and dosing assembly 11 comprises a blade conveyor 12, which extends in a facing position and basically for the entire length of opening 9, for supporting - without deforming it - the material housed in container 5 and gradually flowing out from opening 9, and a belt dosing device 13 arranged downstream of conveyor 12 in the material feed direction A and on the side of opening 9, for receiving the material from the blade conveyor 12 and sending it to spreader 10.
  • the blade conveyor 12 comprises a flat rigid wall 14 facing opening 9 and stably connected to frame 3 so as to close opening 9, and a blade catenary 15 for translating the granular material deposited on wall 14 in the longitudinal direction A.
  • Catenary 15 comprises two drag chains 16, which are transversally distanced from each other and are wound ringwise on end roller deviating bodies 16, 18 having respective toothed mesh pulleys of the respective drag chains 16.
  • the pulleys are keyed onto end sections of respective shafts 16a, 18a, which are arranged at longitudinal parts opposite to wall 14 and rotatably about respective axes 16b and 18b, which are parallel to each other and to wall 14 and are orthogonal to direction A.
  • shaft 16a is motorised and is arranged downstream of the frontal wall 7 in an inlet 10a of spreader 10.
  • Catenary 15 further comprises a plurality of blades 19, which are orthogonal and integrally connected to the chains 16 to slidingly cooperate with the upper surface 14a of wall 14 and feed the material past the frontal wall 7 through an opening or passageway 20 obtained in the frontal wall 7.
  • the dosing device 13 comprises a flexible belt 21, which is conveniently made of polymeric or other similar material, which is wound ringwise about a longitudinal pair of end deviating rollers 23 and 24, which are parallel to each other and to the axes 16b, 18b of the shafts 16, 18.
  • roller 23 is keyed onto the intermediate section of shaft 16a between the related toothed pulleys, while roller 24 is arranged below and substantially at the frontal wall 7 or at passageway 20.
  • the rollers 23 and 24 divide belt 21 into a delivery branch 21a and a return branch 21b; the delivery branch 21a is substantially coplanar to the upper surface 14a of wall 14, to which it is conveniently joined by a plate portion 26, and is arranged tangent to blade 19 to define, with the blades 19, some pockets 27 housing predefined masses of material.
  • catenary 15 is not coupled to shaft 16a but is wound about a motorised return shaft of it, again parallel to shaft 18 and arranged upstream of roller 24 and independent from roller 24. Therefore, catenary 15 and belt 21 of the dosing device 13 may be controlled independently from each other, so as to feed the material at different speeds in direction A, depending on the position of the material .
  • the dosing device 13 also comprises a crushing assembly 29 arranged in a position facing the delivery branch 21a of belt 21, for crushing the material being fed in conjunction with belt 21 and arranged between the blades 19.
  • the weight supported by the dosing device 13 does not vary as the quantity of material housed in container 5 varies, thus the material is always fed under the same load or stress conditions and this, associated -with the lack of related motion with catenary 15, makes it possible to feed a constant flow of material.
  • the blade conveyor or the dosing device 13, of which belt 21 may be made with materials other than the one described may be constructionally different from the ones described by way of example.
  • Spreader 10 may also be different from the one described.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)
  • Pretreatment Of Seeds And Plants (AREA)
  • Catching Or Destruction (AREA)

Abstract

In a spread unit (1), a granular material, preferably anti-icing, arranged inside a hopper container (5), is fed towards a spread device (10) by a feed assembly (12) with a fixed support surface (14) arranged in a position facing an outlet (9) of the container (5) and a belt dosing device (13) arranged downstream of the fixed surface (14) and on the outlet (9) side for receiving the material from the fixed surface (9) and dosing it before sending it to the spread device (10).

Description

SPREAD UNIT FOR SPREADING GRANULAR MATERIAL
TECHNICAL FIELD
The present invention relates to a spread unit for spreading granular material . In particular, the present invention relates to a spread unit for spreading anti- icing granular material to be distributed on extended surfaces such as, e.g., pavings in general, street surfaces, parking lots, harbour and airport areas, to which ^ the following disclosure will explicitly refer without however being less general.
BACKGROUND ART
The use of spread units is known for spreading anti-icing granular material, each comprising a hopper container, accommodating a mass of such material and having a lower opening, a spread device and a feed conveyor adapted to receive the material flowing out from said opening and to move it towards the spread device.
The known units of the above-described type are not very satisfactory, especially concerning the distribution uniformity of the anti-icing material.
The above disclosure is essentially attributable to the particular embodiment of known feed conveyors, which discontinuously feed the material, in some cases, due to the friction that is generated between the material and the fixed parts of the conveyor and, in other cases, due to the inevitable deformation of components of the conveyor itself under the weight of the material in the container.
Moreover, in both cases, many of the parts forming the conveyors wear out in relatively short time.
DISCLOSURE OF INVENTION
The object of the present invention is to make a spread unit, which allows the above-mentioned problems to be solved in a simple and cost-effective manner.
According to the present invention, a spread unit is made for spreading granular material; the unit comprising a collection compartment for said granular material, a lower outlet opening for the exit of the granular material from said collection compartment, conveying means adapted to receive said granular material flowing out from said lower outlet opening and feed it in a longitudinal direction; said conveying means comprising a fixed support surface arranged below said compartment and in a position facing said outlet opening to support the material contained in said compartment, transporting means to feed the material arranged on said fixed support surface in said longitudinal direction, and belt dosing means arranged downstream of the fixed support surface and of said opening in said longitudinal direction and adapted to receive the material arranged on said fixed support surface .
Preferably, in the above-mentioned unit, said dosing means comprise a mobile transport surface movable in said longitudinal direction and is substantially coplanar with said fixed support surface; said conveying means moving said material on said mobile transport surface.
Preferably, said transport means and said mobile surface also translate in said longitudinal direction at the same translation speed.
BRIEF DESCRIPTION OF THE DRAWING
The invention will now be described with reference to the accompanying drawing, which shows a perspective view having parts removed for clarity of a preferred, non- limiting embodiment of a spread unit for spreading granular material made according to the dictates of the present invention.
BEST MODE FOR CARRYING OUT THE INVENTION
In the accompanying figure, numeral 1 indicates a spread unit for spreading granular material as a whole, such as for example an anti-icing saline substance, on an extended surface 2 such as e.g. a paving in general, a street surface, a parking lot, a harbour or airport area, etc.
The unit comprises a frame 3 adapted to be connected, for example to a self-propelled unit 4 (partially shown) , and a container 5 for the granular material and supported by frame 3.
Container 5 comprises a front frontal wall 6, a rear frontal wall 7 and two side walls 8 (only one of which is seen in the accompanying drawing) , which converge towards each other and downwards to define, with the frontal walls 6, 7, an outlet 9 which is elongated in a longitudinal direction A.
Again with reference to the accompanying figure 1, unit 1 also comprises a disk spreader 10, in itself known and not described in detail, for distributing the granular material over the above-mentioned extended surface 2, and a conveyor and dosing assembly 11 for feeding the material in the longitudinal direction A and generating a homogeneous and continuous flow of material towards spreader 10.
The conveyor and dosing assembly 11 comprises a blade conveyor 12, which extends in a facing position and basically for the entire length of opening 9, for supporting - without deforming it - the material housed in container 5 and gradually flowing out from opening 9, and a belt dosing device 13 arranged downstream of conveyor 12 in the material feed direction A and on the side of opening 9, for receiving the material from the blade conveyor 12 and sending it to spreader 10.
The blade conveyor 12 comprises a flat rigid wall 14 facing opening 9 and stably connected to frame 3 so as to close opening 9, and a blade catenary 15 for translating the granular material deposited on wall 14 in the longitudinal direction A.
Catenary 15 comprises two drag chains 16, which are transversally distanced from each other and are wound ringwise on end roller deviating bodies 16, 18 having respective toothed mesh pulleys of the respective drag chains 16. The pulleys are keyed onto end sections of respective shafts 16a, 18a, which are arranged at longitudinal parts opposite to wall 14 and rotatably about respective axes 16b and 18b, which are parallel to each other and to wall 14 and are orthogonal to direction A.
In the particular embodiment described, shaft 16a is motorised and is arranged downstream of the frontal wall 7 in an inlet 10a of spreader 10.
Catenary 15 further comprises a plurality of blades 19, which are orthogonal and integrally connected to the chains 16 to slidingly cooperate with the upper surface 14a of wall 14 and feed the material past the frontal wall 7 through an opening or passageway 20 obtained in the frontal wall 7.
Again with reference to the accompanying figure, the dosing device 13 comprises a flexible belt 21, which is conveniently made of polymeric or other similar material, which is wound ringwise about a longitudinal pair of end deviating rollers 23 and 24, which are parallel to each other and to the axes 16b, 18b of the shafts 16, 18. Of the rollers 23 and 24, roller 23 is keyed onto the intermediate section of shaft 16a between the related toothed pulleys, while roller 24 is arranged below and substantially at the frontal wall 7 or at passageway 20. The rollers 23 and 24 divide belt 21 into a delivery branch 21a and a return branch 21b; the delivery branch 21a is substantially coplanar to the upper surface 14a of wall 14, to which it is conveniently joined by a plate portion 26, and is arranged tangent to blade 19 to define, with the blades 19, some pockets 27 housing predefined masses of material.
Since catenary 15 and belt 21 are coupled to the same shaft 16a in angularly fixed positions, the , delivery branch 21a and the blades 19 translate in direction A at the same speed whereby the related speed is null between the delivery branch 21 and the blades 19, and the volume of pockets 27 is constant.
According to a variant not shown, catenary 15 is not coupled to shaft 16a but is wound about a motorised return shaft of it, again parallel to shaft 18 and arranged upstream of roller 24 and independent from roller 24. Therefore, catenary 15 and belt 21 of the dosing device 13 may be controlled independently from each other, so as to feed the material at different speeds in direction A, depending on the position of the material .
Again with reference to the accompanying figure, the dosing device 13 also comprises a crushing assembly 29 arranged in a position facing the delivery branch 21a of belt 21, for crushing the material being fed in conjunction with belt 21 and arranged between the blades 19.
It is apparent from the above that the particular embodiment of the described conveyor assembly 12 allows, the material contained in container 5 to be fed, but especially accurately dosed, whatever the level of the material inside container 5 and, therefore, a continuous and uniform flow to be sent towards inlet 10a of spreader 10.
The above is essentially subsequent to the fact that the weight of the material housed inside container 5 is basically only supported by the rigid wall 14 arranged below outlet 9 of container 5, while the dosing device 13, which extends past the outlet opening 9 of container 5 supports definitely less weight with respect to: the one supported by the fixed wall 14, and specifically, only the weight of the material fed by catenary 15.
It should also be noted that the weight supported by the dosing device 13 does not vary as the quantity of material housed in container 5 varies, thus the material is always fed under the same load or stress conditions and this, associated -with the lack of related motion with catenary 15, makes it possible to feed a constant flow of material.
In view of the above-mentioned reasons, it is then possible to make a belt 21 and hence a dosing device 13 having an extremely contained longitudinal, length with respect to the blade conveyor and hence a unit having an overall longitudinal size which is comparable with the one of known embodiments and, therefore, usable on existing vehicles without the need for structural modifications to be made to the vehicles themselves.
From the above it is apparent that modifications or variants may be made to described unit 1, without departing from the scope of protection defined by the independent claim.
In particular, the blade conveyor or the dosing device 13, of which belt 21 may be made with materials other than the one described, may be constructionally different from the ones described by way of example.
Spreader 10 may also be different from the one described.

Claims

1. A spread unit for spreading '"granular material.; the unit comprising a collection compartment for said granular material, a lower outlet opening for the exit of the granular material from said collection compartment, conveying means adapted to receive said granular material flowing out from said lower outlet opening and feed it in a longitudinal direction; said conveying means comprise a fixed support surface arranged below said compartment and in a position facing said outlet opening to support the material contained in said compartment, transporting means to feed the material arranged on said fixed support surface in said longitudinal direction, and belt dosing means arranged downstream of the fixed support surface and of said opening in said longitudinal direction and adapted to receive the material arranged on said fixed support surface.
2. The unit according to claim 1, characterised in that said dosing means comprise a mobile transport surface that moves in said longitudinal direction and is substantially coplanar with said fixed support surface; said conveying means moving said material on said mobile transport surface .
3. The unit according to claim 1 or 2, characterised in that said transport means- and said mobile surface translate in said longitudinal direction at a same translation speed.
4. The unit according to claim 3, characterised in that said transport means extend . above said mobile transport surface to define with said mobile surface at least one pocket adapted to house a defined portion of said material.
5. The unit according to claim 2, characterised in that said dosing means comprise a motorised conveyor belt having a belt wound ringwise on two first end deviating rollers; a mobile delivery branch of said belt defining said mobile surface.
6. The unit according to claim 5, characterised in that said transporting means comprise a motorised blade conveyor wound ringwise on two second end deviating rollers; at least one of said first rollers being arranged between said second rollers and the other of said first rollers extending downstream of said compartment.
7. The unit according to claim 5 or 6, characterised in that one of said first rollers extends coaxially to one of said second rollers.
8. The unit according to claim 7, characterised in that said blade conveyor comprises two drawing chains surrounding partially said motorised belt conveyor.
9. The unit according to any of the preceding claims, characterised . by also" comprising spreading means separate from said dosing means and arranged downstream of the dosing means to spread the material dosed by said dosing means .
10. The unit according to any of the preceding claims, characterised in that said compartment is defined by a container having a wall transversal to said longitudinal direction and provided with a through-opening, and in that said dosing means extend downstream of said container through said through-opening.
11. The unit according to claim 2, characterised by also comprising grinding means arranged in a position facing said mobile transporting surface.
EP12799604.9A 2011-10-18 2012-10-18 Spread unit for spreading granular material Active EP2769020B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SI201230407T SI2769020T1 (en) 2011-10-18 2012-10-18 Spread unit for spreading granular material
PL12799604T PL2769020T3 (en) 2011-10-18 2012-10-18 Spread unit for spreading granular material
HRP20151388TT HRP20151388T1 (en) 2011-10-18 2015-12-17 Spread unit for spreading granular material

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000937A ITTO20110937A1 (en) 2011-10-18 2011-10-18 GRANULAR MATERIAL SPLIT UNIT
PCT/IB2012/055699 WO2013057693A1 (en) 2011-10-18 2012-10-18 Spread unit for spreading granular material

Publications (2)

Publication Number Publication Date
EP2769020A1 true EP2769020A1 (en) 2014-08-27
EP2769020B1 EP2769020B1 (en) 2015-10-07

Family

ID=45420835

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12799604.9A Active EP2769020B1 (en) 2011-10-18 2012-10-18 Spread unit for spreading granular material

Country Status (11)

Country Link
US (1) US20140246523A1 (en)
EP (1) EP2769020B1 (en)
CA (1) CA2852854A1 (en)
DK (1) DK2769020T3 (en)
HR (1) HRP20151388T1 (en)
HU (1) HUE026964T2 (en)
IT (1) ITTO20110937A1 (en)
PL (1) PL2769020T3 (en)
RU (1) RU2604610C2 (en)
SI (1) SI2769020T1 (en)
WO (1) WO2013057693A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2747937C1 (en) * 2020-10-05 2021-05-17 Марина Игоревна Вепринцева Device for receiving and subsequent spreading of sludge or rubber crumb obtained from used car tires

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Publication number Priority date Publication date Assignee Title
US2209555A (en) * 1939-02-28 1940-07-30 Fred S Beach Road sander
GB650390A (en) * 1948-04-23 1951-02-21 Kenneth Morris Walters Improvements connected with distributors for fertilizers, granular material and the like
US2538961A (en) * 1948-11-05 1951-01-23 Hercules Steel Products Corp Material spreading apparatus
US3583646A (en) * 1969-04-10 1971-06-08 Frink Sno Plows Inc Highway spreader
SU699076A1 (en) * 1977-07-27 1979-11-25 Грузинский Ордена Ленина И Ордена Трудового Красного Знамени Политехнический Инмтитут Им.В.И.Ленина Distributor of loose road-construction materials
US4422562A (en) * 1981-05-21 1983-12-27 Rawson Control Systems, Inc. Ground control system
US5170948A (en) * 1991-05-10 1992-12-15 Millcreek Manufacturing Fine material distributor
CA2212593A1 (en) * 1996-09-25 1998-03-25 Kevin J. Pierce Spreading and conveying apparatus
US6197114B1 (en) * 1998-11-05 2001-03-06 Material Sciences Corporation Power feeding apparatus having an adjustable feed width
US6817552B2 (en) * 2002-02-06 2004-11-16 Turfco Manufacturing, Inc. Broadcast spreading top dresser
US6817551B2 (en) * 2002-04-12 2004-11-16 Highway Equipment Company Convertible plural bin and conveyor material spreader
RU2246579C1 (en) * 2003-07-29 2005-02-20 Открытое акционерное общество специального машиностроения и металлургии "Мотовилихинские заводы" Loose materials spreader
US20060086842A1 (en) * 2004-08-24 2006-04-27 Gary Cervelli Grinder and spreader apparatus and method
US7380733B2 (en) * 2005-07-21 2008-06-03 Barron & Brothers International Plural bin metering system
US20090181849A1 (en) * 2007-11-13 2009-07-16 Michigan State University Agricultural chemical containing top dressing composition and process for use thereof
WO2013086539A1 (en) * 2011-12-08 2013-06-13 John Helmsderfer Bulk material unloading and distribution

Also Published As

Publication number Publication date
EP2769020B1 (en) 2015-10-07
RU2014119868A (en) 2015-11-27
WO2013057693A1 (en) 2013-04-25
RU2604610C2 (en) 2016-12-10
SI2769020T1 (en) 2016-03-31
CA2852854A1 (en) 2013-04-25
HRP20151388T1 (en) 2016-02-26
PL2769020T3 (en) 2016-04-29
US20140246523A1 (en) 2014-09-04
DK2769020T3 (en) 2016-01-11
ITTO20110937A1 (en) 2013-04-19
HUE026964T2 (en) 2016-08-29

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