CA1190738A - Device for covering foodstuff with granular and/or powdery material - Google Patents
Device for covering foodstuff with granular and/or powdery materialInfo
- Publication number
- CA1190738A CA1190738A CA000425175A CA425175A CA1190738A CA 1190738 A CA1190738 A CA 1190738A CA 000425175 A CA000425175 A CA 000425175A CA 425175 A CA425175 A CA 425175A CA 1190738 A CA1190738 A CA 1190738A
- Authority
- CA
- Canada
- Prior art keywords
- bunker
- belt
- foodstuff
- plate
- outlet port
- 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.)
- Expired
Links
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- Formation And Processing Of Food Products (AREA)
Abstract
ABSTRACT
DEVICE FOR COVERING FOODSTUFF WITH GRANULAR AND/OR POWDERY
MATERIAL.
The invention relates to a device for covering foodstuff with granular and/or powdery material comprising a frame, a bunker supported by said frame receiving a supply of granular and/or powdery material and means for displacing the foodstuff along a path extending below an outlet port of the bunker, whereby below the outlet port a sieve plate having a plurality of apertures is arranged and the device comprises means for dis-placing the material flowing out of the bunker in a direction opposite the direction of displacement of the foodstuff during operation.
DEVICE FOR COVERING FOODSTUFF WITH GRANULAR AND/OR POWDERY
MATERIAL.
The invention relates to a device for covering foodstuff with granular and/or powdery material comprising a frame, a bunker supported by said frame receiving a supply of granular and/or powdery material and means for displacing the foodstuff along a path extending below an outlet port of the bunker, whereby below the outlet port a sieve plate having a plurality of apertures is arranged and the device comprises means for dis-placing the material flowing out of the bunker in a direction opposite the direction of displacement of the foodstuff during operation.
Description
7~
DEVICE FOR COVERING FOODSTUFF WIT~I
C~ANULAR AND/OR POWDERY MATERIAL
The invention relates to a device for covering foodstuff with granular and/or powdery material comprising a frame~ a frame-supported bunker receiving a stock of granular and/or powdery material and means for displacing the foodstuff along a path extending beneath an outlet port of said bunker.
Foodstuff such as croquettes, chicken legs and the like have, in general, to be dusted with so-called bread-crumbs, which material is to include many different kinds of granular and/or powdery material.
This material is dusted onto the foodstuff after the foodstuff is provi-ded with an adhesive surface layer, frequently formed by white of egg.
In many cases the so-called bread-crumbs are formed at least for the ma~or part by coarse granular material, which is comparatively brittle.
In many cases this material will also contain a given amount of fine constituents and in the devices employed hitherto these fine consti-tuents are frequently first to come into contact with the foodstuff, which is thus covered by the fine constituents and the coarse consti-tuents can thus no longer adhere to the foodstuff.
A first object of the invention is to ensure satisfactoryadhesion of the coarser constituents to the foodstuff.
According to the invention this can be achieved in that below the outlet port a sieve plate having a plurality of a~ertures is arranged and the device is provided with means to displace the material flowin~ out of the bunker in a direction opposite the direction of displacement of the foodstuff du~ing operation.
When using the construction embodying the invention the fine constituents tend to move throu~h the apertures in the sieve plate~ wh~reas the coarse constituents will move alonq khe sieve plate in the direction towards the foodstuff to be dusted and will be first to come into contact herewith so that the foodstuff will, at least for the major part, be covered with the coarse constituents, which can satisfactorily adhere to the adhesive outer layer of the foodstuff, whilst subsequently any free spaces between the coarse constituents can be fill~d up by the fine material streaminq throuah the apertures of the sieve plate.
It is furthermore desirable that the dusting material should be treated most carefully in order to avoid as far as possible fraqmentation of the coarse constituents of the material.
Accordinq to a further aspect of the invention an endless, pervious belt is provided to this end for displacing the foodstuff with the aid of the upper run of the belt, said upper run moving by at least part of its length along a closed plate as well as the subjacent portion of the lower run, whilst near the end of the endless belt where the foodstuff is fed to the belt a chamber is arranged below the belt, said chamber comPrising a rotor provided with blades.
By using such a construction the material can drop down across the belt near the end of the plate located below the upper run and be carried along at least partly by the lower run of the belt to be dispensed in the chamber, Out of the chamber the material can be thrown onto the upper run of the belt by the blades of the rotor. In practice it has been found that by using such a construction fra~mentation of the coarse grains is avoided to an appreciable extent.
According to a further aspect of the invention - 2a -fragmentation of the coarse grains can be effectively counteracted further by dividing the bunker into t~o compartments separated ~rom one another near the lower side of the bunker by a pivotable flap.
,,.~
73~
~ 3 ~
In one compartment a given stock of the material can be stored, whereas the material utilized durinq operation flows through the other compartment. When the supply of material in the compartment passinq the stream drops below a given value, ~he pivotable flap will automatically open under the action of the weight of the material in the other compartment so that automatic supplementation of the material flowing out during operation is obtained.
A preferred embodiment of the invention is illustrated schematically in the accompanying drawing which is a longitudinal section of the device.
The device shown in the Figure compris~s a frame 1 supporting a bunker 2 and an endless conveyor belt 3. The pervious conveyor belt 3 is preferably composed of pivotally coupled bars extending in the longitudinal and transverse directions of the belt. Near one end the conveyor belt is supported by a drivable shaft 4 and near the other end by a guide roll~r 5. A portion of the upper run of the conveyor belt extending away from the driving shaft 4 passes along a closed plate 33, which is first slightly inclined upwards away from the shaft 4 and goes over into a horizontal part. The portion of the upper run of the belt adjoininq the roller 5 is furthermore supported by a grid-shaped member 6.
The lower run of the conveyor belt 3 is supported by a horizontal plate 7. At a given distance from ~he shaft 4 this plate goes over into a downwardly inclined plate 8, which establishes a connection between the plate 7 and an upwardly curved plate 9, the upper edge of which is located at a ~iven distance above the shaft 4. The upwardly inclined part of the upper run of the conveyor belt 3 is partly covered by a horizontal plate 10 located at a ~iven distance above the upper run.
The chamber 1.1 bounded by the plates 8 and 9 and located below the part of the lower`run of the belt 3 adjoinin~ the shaft 4 is equipped with a rotor comprising a shaft 12 extendin~ parallel to the shaft 4 and blades 13 of slightly elastic material fastened to said shaft. The shaft 12 can be rotated in clockwise direction with '73~
- 3a -the aid of driving means ~not shown). The shaft 4 can be rotated so that during operation the upper run of the bel.t 3 is displaced in the direction of the........... ~............... 9........ ~.... 0..... ~
arrow A.
Viewed in said direction of displacement indicated by the arrow A a flap 14 is arranged near the rear end of the plate 33 below the upper run o~ the belt 3~ said flap being adjustable about a shaft 15 arranged near the lower edge of the flap and extending transversely Or the intended direction of displacement of the conveyor belt.
The part of the bottom plate 7 located behind the shaf`t 15 as viewed in the direction A has a passage 16 giving access to a gutter 17 arranged below the plate 7 and accommodating a worm 18 ex-tending transversely of' the longitudinal direction of the gutter and being rotatable with the aid of driving means (not shown in detail~.
It will furthermore be apparent from the Figure that the bottom of the bunker 2 has a slightly funnel-like shape and the edges of two downwardly inclined, converging bottom plates 19 and 20 of the bunker determine an outlet port 21. The size of the passage of this outlet port can be set with the aid of a slide 21a, which a slidable along the bottom plate 19 and can be set in a plurality of positions.
Below the outlet port 21 is arranged a sieve plate 23, which is downwardly inclined away from its end near the outlet port in a direction opposite the direction of displacement of the upper run of the belt 3 indicated by the arrow A. The sieve plate has a few elongate holes 23 extending at least substantially parallel to and transversely of the direction of displacement of the belt 3. Viewed in the direction of the arrow A downwardly and rearwardly inclined guide strips 24 located~
below the plate 22 adjoin the front edges of said elongate hol.es, said strips being integral with the plate 22. The sieve plate may, as an alternative, be formed by a perforated plate.
The sieve plate 22 is supported by a vibrating device 25, which is coupled with the frame with the aid of elastic suspension members 26.
From the Figure it will furthermore be apparent that the bunker 2 is divided with the aid of a partition 27 into two compart-ments 28 and 29 so that the capacity of compartment 28 is considerably higher than that of compartment 29.
At the lower edge of the partition 27 is hanging a flap 30 of slightly resilient material, which is freely hanging down from the lower edge of the partition 27 so that in the normal position in which the flap 30 extends vertically the lower edge of the fl.ap 30, as viewed in the Figure, is located at the level of the left-hand boundary edge 5 of the opening 21 so that the flap 30, so to say, separates the compart-ment 28 from the outlet port ~1.
The gutter 17 communicates through a duct (not shown in de-tail) in which conveying means are accommodated, with the upper part of the compartment 29 of the bunker 2.
In operation the endless conveyor belt 3 is moved so that the upper run of the belt travels in the direction of the arrow A, whilst the shaft 12 i9 rotated in clockwise direction and the sieve plate 22 is caused to vibrate with the aid of the vibrat.ory device 25. The food-stuff to be processed such as croquettes, chicken 1egs o~ the li~e ~ro-15 vided with a slightly adhesive coating, for example, a white-of-egg l.ayer are placed with the aid of transport means (not shown) in the proximity of point 31 on a layer of bread crumbs lying on the upper run of the conveyor belt 3 so that these foodstuffs together with the layer of bread crumbs 32 on the conveyor belt are displaoed in the direction of 20 the arrow A. At the same time bread crumbs are flowing out of the com-partment 29 through the outlet port 21 onto the vibrating sieve plate 22.
When the bread crumbs move along the sieve plate 22 in a direction at least substantially opposite the direction of movement of the foodstuff indicated by the arrow A, the fine constituents of the bread crumbs 25 tend to flow away through the passages 23 in the sieve plate, whereas the coarse constituents travel as far as beyond the end of the sieve plate and subsequently drop down. It will be obvious that in this way the foodstuff displaced with the aid of the conveyor belt 3 in the direction of the arrow A will be contacted first by the coarse constitu-30 ents of the bread crumbs and only then by the fine material flowingthrough the passages 23 of the sieve plate 22. Since the coarse constitu-ents are first to come into contact with the objects to be covered, they can effectively adhere to these objects, whilst any free space left between these coarse constituents on the foodstuff can be filled up with 35 the fine constituents of the bread crumbs arriving later.
3~3 The objects thus covered with bread crumbs are further dis-placed itl the direction of the arrow ~ together with the bread crumbs.
When the rear end of the plate 33 is reached, the bread crumbs will drop down through the pervious belt 3 so that only the object~ covered with bread crumbs will be delivered by the belt 3 in the direction towards the roller 5, where the objects can be passed on to a packing machine or a further transport member or the like.
The bread crumbs passing across the belt 3 near the rear end of the plate 33 i.9 divided, as is indicated in the Figure, into two streams, i.e. a first stream passing through the opening 16 to the gutter 17 and a second stream arriving, viewed in the direction of the arrow A, at the part of the bottom plate 7 located in front of the flap 14. The ratio between these two streams can be adjusted at will by set-ting the position of the flap 14.
The material flowing into the gutter 17 will be supplied with the aid of the worm 18 to the end of the gutter which communicates through the transport duct (not shown) with the~top end of the compart-ment 29 of the bunker 2 so that this material is again fed to the com-partment 29 of the bunker 2.
The bread crumbs falling on t.he plate 7 are carried along by the ~wer run of the belt 3 moving along sai.d plate in the direction to-wards the chamber 11 located below the front end of the lower run of the belt 3. From this chamber 11 the material is slung upwards with the aid of the rotating blades 13 along the guide wall 9 and arrives at the front end of the upper run of the conveyor belt 3, where a layer of bread crumbs is formed which is moved along by this upper run of the belt 3. Since the bread crumbs are conducted to the chamber 11 at a given distance in front Or the point where the lower run is going over to the upper run and ars subsequently thrown up by the blades 13, a gradual displacement of the bread crumbs i9 obtained so that fragmentation of the coarse constituent.s of th0 bread crumbs is avoided as far as possible.
The material supplied from the gutter 17 to the compartment 29 can again flow away through the outlet port 21. When the level of the material in the compartment 29 becomes too low, the flap 30 will slightly deflect under the action of the weight of the material located in the stock compartment 28 so that material can flow from the compart-ment 28 towards the outlet port. When the level of the material in the compartment 29 thus rises, the flap 30 is urged back. It can thus be ensured that always a relatively small amount of the material contained in the bunker is curculating, which also counteracts an undesirabl.e diminution of the circulating material.
The ~;~ures used in the claims are only meant to explain more clearly the intention of the invention and are not supposed to be any restriction concerning the interpretation of the invention,
DEVICE FOR COVERING FOODSTUFF WIT~I
C~ANULAR AND/OR POWDERY MATERIAL
The invention relates to a device for covering foodstuff with granular and/or powdery material comprising a frame~ a frame-supported bunker receiving a stock of granular and/or powdery material and means for displacing the foodstuff along a path extending beneath an outlet port of said bunker.
Foodstuff such as croquettes, chicken legs and the like have, in general, to be dusted with so-called bread-crumbs, which material is to include many different kinds of granular and/or powdery material.
This material is dusted onto the foodstuff after the foodstuff is provi-ded with an adhesive surface layer, frequently formed by white of egg.
In many cases the so-called bread-crumbs are formed at least for the ma~or part by coarse granular material, which is comparatively brittle.
In many cases this material will also contain a given amount of fine constituents and in the devices employed hitherto these fine consti-tuents are frequently first to come into contact with the foodstuff, which is thus covered by the fine constituents and the coarse consti-tuents can thus no longer adhere to the foodstuff.
A first object of the invention is to ensure satisfactoryadhesion of the coarser constituents to the foodstuff.
According to the invention this can be achieved in that below the outlet port a sieve plate having a plurality of a~ertures is arranged and the device is provided with means to displace the material flowin~ out of the bunker in a direction opposite the direction of displacement of the foodstuff du~ing operation.
When using the construction embodying the invention the fine constituents tend to move throu~h the apertures in the sieve plate~ wh~reas the coarse constituents will move alonq khe sieve plate in the direction towards the foodstuff to be dusted and will be first to come into contact herewith so that the foodstuff will, at least for the major part, be covered with the coarse constituents, which can satisfactorily adhere to the adhesive outer layer of the foodstuff, whilst subsequently any free spaces between the coarse constituents can be fill~d up by the fine material streaminq throuah the apertures of the sieve plate.
It is furthermore desirable that the dusting material should be treated most carefully in order to avoid as far as possible fraqmentation of the coarse constituents of the material.
Accordinq to a further aspect of the invention an endless, pervious belt is provided to this end for displacing the foodstuff with the aid of the upper run of the belt, said upper run moving by at least part of its length along a closed plate as well as the subjacent portion of the lower run, whilst near the end of the endless belt where the foodstuff is fed to the belt a chamber is arranged below the belt, said chamber comPrising a rotor provided with blades.
By using such a construction the material can drop down across the belt near the end of the plate located below the upper run and be carried along at least partly by the lower run of the belt to be dispensed in the chamber, Out of the chamber the material can be thrown onto the upper run of the belt by the blades of the rotor. In practice it has been found that by using such a construction fra~mentation of the coarse grains is avoided to an appreciable extent.
According to a further aspect of the invention - 2a -fragmentation of the coarse grains can be effectively counteracted further by dividing the bunker into t~o compartments separated ~rom one another near the lower side of the bunker by a pivotable flap.
,,.~
73~
~ 3 ~
In one compartment a given stock of the material can be stored, whereas the material utilized durinq operation flows through the other compartment. When the supply of material in the compartment passinq the stream drops below a given value, ~he pivotable flap will automatically open under the action of the weight of the material in the other compartment so that automatic supplementation of the material flowing out during operation is obtained.
A preferred embodiment of the invention is illustrated schematically in the accompanying drawing which is a longitudinal section of the device.
The device shown in the Figure compris~s a frame 1 supporting a bunker 2 and an endless conveyor belt 3. The pervious conveyor belt 3 is preferably composed of pivotally coupled bars extending in the longitudinal and transverse directions of the belt. Near one end the conveyor belt is supported by a drivable shaft 4 and near the other end by a guide roll~r 5. A portion of the upper run of the conveyor belt extending away from the driving shaft 4 passes along a closed plate 33, which is first slightly inclined upwards away from the shaft 4 and goes over into a horizontal part. The portion of the upper run of the belt adjoininq the roller 5 is furthermore supported by a grid-shaped member 6.
The lower run of the conveyor belt 3 is supported by a horizontal plate 7. At a given distance from ~he shaft 4 this plate goes over into a downwardly inclined plate 8, which establishes a connection between the plate 7 and an upwardly curved plate 9, the upper edge of which is located at a ~iven distance above the shaft 4. The upwardly inclined part of the upper run of the conveyor belt 3 is partly covered by a horizontal plate 10 located at a ~iven distance above the upper run.
The chamber 1.1 bounded by the plates 8 and 9 and located below the part of the lower`run of the belt 3 adjoinin~ the shaft 4 is equipped with a rotor comprising a shaft 12 extendin~ parallel to the shaft 4 and blades 13 of slightly elastic material fastened to said shaft. The shaft 12 can be rotated in clockwise direction with '73~
- 3a -the aid of driving means ~not shown). The shaft 4 can be rotated so that during operation the upper run of the bel.t 3 is displaced in the direction of the........... ~............... 9........ ~.... 0..... ~
arrow A.
Viewed in said direction of displacement indicated by the arrow A a flap 14 is arranged near the rear end of the plate 33 below the upper run o~ the belt 3~ said flap being adjustable about a shaft 15 arranged near the lower edge of the flap and extending transversely Or the intended direction of displacement of the conveyor belt.
The part of the bottom plate 7 located behind the shaf`t 15 as viewed in the direction A has a passage 16 giving access to a gutter 17 arranged below the plate 7 and accommodating a worm 18 ex-tending transversely of' the longitudinal direction of the gutter and being rotatable with the aid of driving means (not shown in detail~.
It will furthermore be apparent from the Figure that the bottom of the bunker 2 has a slightly funnel-like shape and the edges of two downwardly inclined, converging bottom plates 19 and 20 of the bunker determine an outlet port 21. The size of the passage of this outlet port can be set with the aid of a slide 21a, which a slidable along the bottom plate 19 and can be set in a plurality of positions.
Below the outlet port 21 is arranged a sieve plate 23, which is downwardly inclined away from its end near the outlet port in a direction opposite the direction of displacement of the upper run of the belt 3 indicated by the arrow A. The sieve plate has a few elongate holes 23 extending at least substantially parallel to and transversely of the direction of displacement of the belt 3. Viewed in the direction of the arrow A downwardly and rearwardly inclined guide strips 24 located~
below the plate 22 adjoin the front edges of said elongate hol.es, said strips being integral with the plate 22. The sieve plate may, as an alternative, be formed by a perforated plate.
The sieve plate 22 is supported by a vibrating device 25, which is coupled with the frame with the aid of elastic suspension members 26.
From the Figure it will furthermore be apparent that the bunker 2 is divided with the aid of a partition 27 into two compart-ments 28 and 29 so that the capacity of compartment 28 is considerably higher than that of compartment 29.
At the lower edge of the partition 27 is hanging a flap 30 of slightly resilient material, which is freely hanging down from the lower edge of the partition 27 so that in the normal position in which the flap 30 extends vertically the lower edge of the fl.ap 30, as viewed in the Figure, is located at the level of the left-hand boundary edge 5 of the opening 21 so that the flap 30, so to say, separates the compart-ment 28 from the outlet port ~1.
The gutter 17 communicates through a duct (not shown in de-tail) in which conveying means are accommodated, with the upper part of the compartment 29 of the bunker 2.
In operation the endless conveyor belt 3 is moved so that the upper run of the belt travels in the direction of the arrow A, whilst the shaft 12 i9 rotated in clockwise direction and the sieve plate 22 is caused to vibrate with the aid of the vibrat.ory device 25. The food-stuff to be processed such as croquettes, chicken 1egs o~ the li~e ~ro-15 vided with a slightly adhesive coating, for example, a white-of-egg l.ayer are placed with the aid of transport means (not shown) in the proximity of point 31 on a layer of bread crumbs lying on the upper run of the conveyor belt 3 so that these foodstuffs together with the layer of bread crumbs 32 on the conveyor belt are displaoed in the direction of 20 the arrow A. At the same time bread crumbs are flowing out of the com-partment 29 through the outlet port 21 onto the vibrating sieve plate 22.
When the bread crumbs move along the sieve plate 22 in a direction at least substantially opposite the direction of movement of the foodstuff indicated by the arrow A, the fine constituents of the bread crumbs 25 tend to flow away through the passages 23 in the sieve plate, whereas the coarse constituents travel as far as beyond the end of the sieve plate and subsequently drop down. It will be obvious that in this way the foodstuff displaced with the aid of the conveyor belt 3 in the direction of the arrow A will be contacted first by the coarse constitu-30 ents of the bread crumbs and only then by the fine material flowingthrough the passages 23 of the sieve plate 22. Since the coarse constitu-ents are first to come into contact with the objects to be covered, they can effectively adhere to these objects, whilst any free space left between these coarse constituents on the foodstuff can be filled up with 35 the fine constituents of the bread crumbs arriving later.
3~3 The objects thus covered with bread crumbs are further dis-placed itl the direction of the arrow ~ together with the bread crumbs.
When the rear end of the plate 33 is reached, the bread crumbs will drop down through the pervious belt 3 so that only the object~ covered with bread crumbs will be delivered by the belt 3 in the direction towards the roller 5, where the objects can be passed on to a packing machine or a further transport member or the like.
The bread crumbs passing across the belt 3 near the rear end of the plate 33 i.9 divided, as is indicated in the Figure, into two streams, i.e. a first stream passing through the opening 16 to the gutter 17 and a second stream arriving, viewed in the direction of the arrow A, at the part of the bottom plate 7 located in front of the flap 14. The ratio between these two streams can be adjusted at will by set-ting the position of the flap 14.
The material flowing into the gutter 17 will be supplied with the aid of the worm 18 to the end of the gutter which communicates through the transport duct (not shown) with the~top end of the compart-ment 29 of the bunker 2 so that this material is again fed to the com-partment 29 of the bunker 2.
The bread crumbs falling on t.he plate 7 are carried along by the ~wer run of the belt 3 moving along sai.d plate in the direction to-wards the chamber 11 located below the front end of the lower run of the belt 3. From this chamber 11 the material is slung upwards with the aid of the rotating blades 13 along the guide wall 9 and arrives at the front end of the upper run of the conveyor belt 3, where a layer of bread crumbs is formed which is moved along by this upper run of the belt 3. Since the bread crumbs are conducted to the chamber 11 at a given distance in front Or the point where the lower run is going over to the upper run and ars subsequently thrown up by the blades 13, a gradual displacement of the bread crumbs i9 obtained so that fragmentation of the coarse constituent.s of th0 bread crumbs is avoided as far as possible.
The material supplied from the gutter 17 to the compartment 29 can again flow away through the outlet port 21. When the level of the material in the compartment 29 becomes too low, the flap 30 will slightly deflect under the action of the weight of the material located in the stock compartment 28 so that material can flow from the compart-ment 28 towards the outlet port. When the level of the material in the compartment 29 thus rises, the flap 30 is urged back. It can thus be ensured that always a relatively small amount of the material contained in the bunker is curculating, which also counteracts an undesirabl.e diminution of the circulating material.
The ~;~ures used in the claims are only meant to explain more clearly the intention of the invention and are not supposed to be any restriction concerning the interpretation of the invention,
Claims (8)
1. A device for covering foodstuff with granular and/or powdery material comprising a frame, a bunker supported by said frame receiving a supply of granular and/or powdery material and means for displacing the foodstuff along a path extending below an outlet port of the bunker, a sieve plate below the outlet port, said sieve plate being downwardly inclined away from a point located near the outlet port of the bunker in a direction opposite the direction of displacement of the foodstuff, the sieve plate having a plurality of elongated openings being one behind the other and extending transversely to the intended direction of displacement of the foodstuff and means for causing the sieve plate to vibrate during use of the device.
2. A device as claimed in Claim 1 characterized in that rearwardly and downwardly inclined strip-shaped parts of the sieve plate adjoin the edges of the openings lying foremost as viewed in the intended direction of displacement of the foodstuff and below the sieve plate.
3. A device as claimed in Claim 1, characterized in that an endless, pervious belt is provided for displacing the foodstuff with the aid of the upper run of the belt, said upper run moving by at least part of its length over a closed plate as well as the subjacent part of the lower run, whilst near the end of the endless belt where the foodstuff is fed to the belt a chamber is arranged below the belt and accomodates a rotor provided with blades.
4. A device as claimed in Claim 3 characterized in that the curved front wall of the chamber accommodating the rotor extends near the front end of the endless belt upwardly beyond the upper run of the belt.
5. A device as claimed in Claim 3 or 4 characterized in that near the rear end of the plate supporting the upper run a control-flap is arranged below the upper run of the belt for dividing the stream of material passing through the upper run into two parts in a manner such that one part arrives at the plate supporting the lower run of the belt and the other part arrives at a gutter disposed below the plate supporting the lower run.
6. A device as claimed in Claim 1 characterized in that the bunker is divided into two compartments, which are separated from one another by a deflectable flap near the underside of the bunker.
7. A device as claimed in Claim 6 characterized in that the flap is formed by a flexible plate hanging down from the lower edge of the partition dividing the bunker into two compartments, the free lower end of the plate being located near the outlet port of the bunker in a manner such that the compartment of the lower capacity is in open communication with the outlet port and the other compartment is separated from the outlet port by said flap.
8. A device as claimed in Claim 3 in which the bunker is divided into two compartments of different capacities which are separated from one another by a deflectable flap near the underside of the bunker and wherein a gutter is located below the plate supporting the lower run of the conveyor belt and communicates with the smaller compartment of the bunker through members accomodating transport means for the material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000425175A CA1190738A (en) | 1983-04-05 | 1983-04-05 | Device for covering foodstuff with granular and/or powdery material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000425175A CA1190738A (en) | 1983-04-05 | 1983-04-05 | Device for covering foodstuff with granular and/or powdery material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1190738A true CA1190738A (en) | 1985-07-23 |
Family
ID=4124932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000425175A Expired CA1190738A (en) | 1983-04-05 | 1983-04-05 | Device for covering foodstuff with granular and/or powdery material |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1190738A (en) |
-
1983
- 1983-04-05 CA CA000425175A patent/CA1190738A/en not_active Expired
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