GB2418135A - Food processing - Google Patents

Food processing Download PDF

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Publication number
GB2418135A
GB2418135A GB0421066A GB0421066A GB2418135A GB 2418135 A GB2418135 A GB 2418135A GB 0421066 A GB0421066 A GB 0421066A GB 0421066 A GB0421066 A GB 0421066A GB 2418135 A GB2418135 A GB 2418135A
Authority
GB
United Kingdom
Prior art keywords
piece
pieces
food
region
processing
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.)
Withdrawn
Application number
GB0421066A
Other versions
GB0421066D0 (en
Inventor
Nigel Hicks
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.)
KEY COUNTRY FOODS Ltd
Original Assignee
KEY COUNTRY FOODS Ltd
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 KEY COUNTRY FOODS Ltd filed Critical KEY COUNTRY FOODS Ltd
Priority to GB0421066A priority Critical patent/GB2418135A/en
Publication of GB0421066D0 publication Critical patent/GB0421066D0/en
Publication of GB2418135A publication Critical patent/GB2418135A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/20Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
    • B26D5/30Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier
    • B26D5/32Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier with the record carrier formed by the work itself
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/20Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
    • B26D5/30Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier
    • B26D5/34Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier scanning being effected by a photosensitive device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/143Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a stationary axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/26Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
    • B26D1/28Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D2210/00Machines or methods used for cutting special materials
    • B26D2210/02Machines or methods used for cutting special materials for cutting food products, e.g. food slicers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/06Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0625Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by endless conveyors, e.g. belts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/06Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0683Arrangements for feeding or delivering work of other than sheet, web, or filamentary form specially adapted for elongated articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08Means for treating work or cutting member to facilitate cutting
    • B26D7/10Means for treating work or cutting member to facilitate cutting by heating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27Means for performing other operations combined with cutting
    • B26D7/32Means for performing other operations combined with cutting for conveying or stacking cut product

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Meat And Fish (AREA)

Abstract

Slices of bacon 24 are cut by a rotating blade 12 from a first roll of bacon 16 and then a second roll of bacon 30. The rolls are advanced by opposed spiked conveyors 20. The bacon rolls are joined together by detecting the leading edge of the second roll with a photoelectric cell 34, then spraying the joint with a water jet 38 and then freezing that water with a nitrogen jet 40 as the two rolls are brought together. The frozen joint can be stepped through the slicer so that it is not sliced and the frozen joint can be discarded.

Description

i. 2418135
FOOD PROCESSING
The present invention relates to a method of processing food and a food processing apparatus.
The present invention is particularly, but not exclusively applicable to processing meat by slicing the meat.
It is well-known that there are two basic types of automatic slicing machines; gripper feed machines and continuous feed machines.
Gripper feed machines utilise a row of curved spikes to penetrate and grip the end of a length of meat. The gripper is indexed towards the slicing blade to create the meat slices but it must stop before the spikes come into contact with the blade. The unsliced meat attached to the gripper is then ejected as waste with a subsequent loss of value. The time taken to retract the gripper, eject the waste and load a new length of meat results in a loss of output from the machine of around 30%.
Continuous feed machines utilise spiked metal chain conveyors above and below the bacon log to control the movement of the bacon log through the slicing blade by advancing the meat in steps. Subsequent bacon logs are fed in behind, and in contact with, the first log resulting in a machine with no reload time, resulting in a faster machine than those of the gripper type. However, the final spiked roller, which controls the bacon movement, has to be around 30 millimetres diameter.
Although it is positioned as near as possible to the blade, it inevitably fails to control the slicing of the last 20 millimetres or so of the bacon log. This results in larger yield loss than is achieved with the gripper type machine.
It is an object of the present invention to attempt to overcome at least one of the above or another problem.
The present invention is defined in the claims attached hereto.
The present invention may be carried into practice in various ways but one embodiment will now be described by way of example and with reference to the accompanying Figure 1. Figure 1 is a schematic side view of a continuous meat slicing machine 10.
A cutting blade 12 rotates continuously around an axis 14 to slice meat, such as bacon, from a first length of meat 16 against a shear edge 18. The thickness of each slice of meat is controlled by the indexing of upper and lower spiked feed conveyors 18 and 20 which may be driven by a servo motor. These conveyors step the bacon forwards and then stop so that the meat is stationary when the blade cuts the meat. It can be seen that the front rollers 22 of the conveyors are close to the blade. However, as the conveyors are driven around these rollers 22 the spikes are withdrawn from the meat a short distance from the blade.
The cut slices 24 stack on a stationary conveyor 26 until the required number is reached. The conveyor 26 is then driven to transfer the stack to a conveyor 28 so that a new stack is formed on the conveyor 26 which is stationary again.
When the first length of meat 16 is partially sliced, a second length 30 is brought up behind, and in contact with, the first length of meat by a conveyor 32. This is achieved by detecting the leading edge of the second length of meat 30 using a photoelectric cell 34. A conveyor 36, which is servo-motor driven, is then indexed forward to close the gap between the first and second lengths of meat.
The position of the leading edge of the second length of meat 30 is tracked by a machine control system 36. As it passes a water jet 38, a short burst of water is sprayed over the leading surface of the meat 30. The conveyor 32 is controlled so as to bring the meats 16 and 30 together just as this interface is beneath a nitrogen jet 40. Just as the two surfaces come into contact a short burst of liquid nitrogen is sprayed from the jet 40, which has the effect of freezing the wetted junction between two meat surfaces in such a way that they are effectively joined together.
The position of this frozen junction continues to be tracked by the machine control system 36 as the slicing of the meat 15 continues. A short distance before the junction reaches the blade the conveyors 20 will index forward a distance equivalent to several slice thicknesses. This ensures that wastage of meat is minimised whilst ensuring that the blade is not damaged by slicing hard frozen meat. The normal indexing and slicing process will then continue for meat 30 as it did for meat 16 until a third length of meat is joined to the trailing face of meat 30, and so the process continues.
The blade has been described as rotating at a constant speed with the frozen joint being passed through the blade by indexing the conveyors 20 through several slice thicknesses. It will be appreciated that the rate that the blade rotates could be slowed when the frozen joint is in the region of the anvil to allow the frozen joint to pass the blade. Alternatively, the blade could cut through the frozen joint. These operations may be controlled by the system 36.
When a frozen joint is cut, either through the joint or by cutting either side of the joint, these unwanted parts may be caused to fall onto the conveyor 26. The conveyor 26 may be indexed before the unwanted slices fall onto it, possibly to move a shorter than required stack onto the conveyor 26. In this way, the conveyor 26 may supply the conveyor 28 with a stack of unwanted slices or a single slice having the frozen joint therein. Thus waste is reduced to a minimum. In addition, the slicing is controlled at the joint between two pieces of meat without the trailing end of a mostly cut piece being free of the spikes and therefore uncontrollable between the end of the conveyors and the blade.
Attention is directed to all papers and documents which are filed concurrently with or previous to this specification in connection with this application and which are open to public inspection with this specification, and the contents of all such papers and documents are incorporated herein by reference.
All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and/or all of the steps of any method or process so disclosed, may be combined in any combination, except combinations where at least some of such features and/or steps are mutually exclusive.
Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. Thus, unless expressly stated otherwise, each feature disclosed is one example only of a generic series of equivalent or similar features.
The invention is not restricted to the details of the foregoing embodiment(s). The invention extends to any novel one, or any novel combination, of the features
disclosed in this specification (including any
accompanying claims, abstract and drawings), or to any novel one, or any novel combination, of the steps of any method or process so disclosed.

Claims (33)

1. A method of processing food comprising advancing a first piece of food towards a processor and processing the advancing lead region of the first piece and connecting a second piece to the trailing region of the first piece and processing the lead region of the second piece after the first piece has been processed.
2. A method as claimed in claim 2 comprising monitoring the location of the connection between the first and second pieces.
3. A method as claimed in claim 2 comprising noting when the connection is in the region of the processor and identifying the connection after it has passed the processor.
4. A method as claimed in claim 2 or 3 comprising causing the food in the region of the connection to avoid processing.
5. A method as claimed in claim 4 comprising increasing the rate of advancement of the food in the region of the connection past the processor.
6. A method as claimed in claim 4 or 5 comprising reducing the rate of processing as the food in the region of the connection passes the processor.
7. A method as claimed in any preceding claim comprising joining the second piece to the first piece as the first piece is being processed.
8. A method as claimed in any preceding claim comprising advancing the second piece towards the first piece prior to connecting the pieces.
9. A method as claimed in any preceding claim comprising advancing the first piece by stepping the first piece.
10. A method as claimed in any preceding claim comprising driving the first piece with at least an moveable projection extending partly into the piece.
11. A method as claimed in any preceding claim comprising advancing the first piece with a conveyor that passes over a roller in the region of the processor.
12. A method as claimed in any preceding claim comprising processing the first and second pieces when those pieces are stationary.
13. A method as claimed in any preceding claim comprising processing the first and second pieces by slicing them.
14. A method as claimed in any preceding claim comprising connecting the pieces together by freezing the pieces together.
15. A method as claimed in claim 14 comprising causing the freezing by passing a gas having a boiling point less than the freezing point of the liquid to be frozen across at least part of the freezing portions of the first and second pieces.
16. A method as claimed in claim 15 comprising passing the gas just as the two facing portions of the pieces come into contact.
17. A method as claimed in any of claims 14 to 16 comprising wetting at least part of at least one piece prior to freezing the pieces together.
18. A method as claim in claim 17 comprising spraying liquid over at least one end of at least one piece prior to freezing the pieces together.
19. A method as claimed in any preceding claim comprising monitoring the relative positions of the facing portions of the first and second pieces prior to connecting those pieces.
20. A method as claimed in any preceding claim comprising controlling the timing of at least some of the method steps with a controller.
21. A method of processing food substantially as herein described with reference to and as shown in the accompanying drawing.
22. A method as claimed in any preceding claim comprising processing first and second pieces of meat products.
23. Food processing apparatus including advancing means arranged, in use, to advance a lead region of a first piece of food towards a food processor and connection means arranged, in use, to connect a trailing region of a first piece of food to a leading region of a second piece of food.
24. Apparatus as claimed in claim 23 in which the connection means comprises freezing means.
25. Apparatus as claimed in claim 24 in which the freezing means includes nitrogen supply means.
26. Apparatus as claimed in claim 24 or 25 including liquid spray means arranged, in use, to wet at least one region of at least one piece with that liquid arranged, in use, to be subsequently frozen.
27. Apparatus as claimed in any of claims 23 to 26 including a controller arranged, in use, to cause events related to that apparatus to occur.
28. Apparatus as claimed in claim 27 in which the controller is arranged, in use, to cause the connection region of two pieces to move past the processor without being processed.
29. Apparatus as claimed in any of claims 23 to 28 in which the advancing means comprises a step advancing means.
30. Apparatus as claimed in any of claims 23 to 29 in which the food processor comprises a slicer.
31. Apparatus as claimed in any of claims 23 to 30 including monitoring means arranged, in use, to monitor the location of the end region of at least one piece prior to the pieces being connected.
32. Food processing apparatus substantially as herein described with reference to and as shown in the accompanying classes.
33. Apparatus as claimed in any of claims 23 to 32 when being used in a method as claimed in any of claims 1 to 22.
GB0421066A 2004-09-21 2004-09-21 Food processing Withdrawn GB2418135A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0421066A GB2418135A (en) 2004-09-21 2004-09-21 Food processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0421066A GB2418135A (en) 2004-09-21 2004-09-21 Food processing

Publications (2)

Publication Number Publication Date
GB0421066D0 GB0421066D0 (en) 2004-10-20
GB2418135A true GB2418135A (en) 2006-03-22

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006052689A1 (en) * 2006-11-07 2008-05-08 Holac Maschinenbau Gmbh Food i.e. cutlet, cutting method, involves adjusting feed motion difference speed between feed units after recognizing end of product line in area of one of feed units, such that speed of other units is higher than that of former feed unit
CN102029625A (en) * 2010-11-19 2011-04-27 绍兴文理学院 Whirlwind fly-cutter end cutting device
WO2014040950A1 (en) * 2012-09-14 2014-03-20 Gea Food Solutions Germany Gmbh Continuous slicing of food products
JP2014113647A (en) * 2012-12-07 2014-06-26 Nantsune:Kk Slicing method for frozen meat and other food products, and device used for the same
DE102014101626A1 (en) * 2014-02-10 2015-08-13 Weber Maschinenbau Gmbh Breidenbach Connecting food products
WO2016034584A1 (en) * 2014-09-05 2016-03-10 Weber Maschinenbau Gmbh Breidenbach Slicing device
EP2414140B1 (en) 2009-04-03 2019-11-27 GEA Food Solutions Germany GmbH Slicing apparatus for slicing a block of food into portions of precise weight
CN111152281A (en) * 2020-01-10 2020-05-15 芜湖加瑞食品有限公司 Dicing device with adjustable space for rice cake production and dicing method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB342838A (en) * 1929-12-16 1931-02-12 Carl Littlefield Machine for slicing bread
EP0101264A2 (en) * 1982-08-14 1984-02-22 Moran-Douglas Engineering Limited Improvements relating to the treatment of meat

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB342838A (en) * 1929-12-16 1931-02-12 Carl Littlefield Machine for slicing bread
EP0101264A2 (en) * 1982-08-14 1984-02-22 Moran-Douglas Engineering Limited Improvements relating to the treatment of meat

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006052689A1 (en) * 2006-11-07 2008-05-08 Holac Maschinenbau Gmbh Food i.e. cutlet, cutting method, involves adjusting feed motion difference speed between feed units after recognizing end of product line in area of one of feed units, such that speed of other units is higher than that of former feed unit
DE102006052689B4 (en) * 2006-11-07 2008-12-04 Holac Maschinenbau Gmbh Method and device for cutting food from a product strand, in particular for cutting chops
EP2414140B1 (en) 2009-04-03 2019-11-27 GEA Food Solutions Germany GmbH Slicing apparatus for slicing a block of food into portions of precise weight
CN102029625A (en) * 2010-11-19 2011-04-27 绍兴文理学院 Whirlwind fly-cutter end cutting device
WO2014040950A1 (en) * 2012-09-14 2014-03-20 Gea Food Solutions Germany Gmbh Continuous slicing of food products
DE102012108605A1 (en) * 2012-09-14 2014-05-15 Gea Food Solutions Germany Gmbh Continuous slicing of food products
JP2014113647A (en) * 2012-12-07 2014-06-26 Nantsune:Kk Slicing method for frozen meat and other food products, and device used for the same
DE102014101626A1 (en) * 2014-02-10 2015-08-13 Weber Maschinenbau Gmbh Breidenbach Connecting food products
WO2016034584A1 (en) * 2014-09-05 2016-03-10 Weber Maschinenbau Gmbh Breidenbach Slicing device
CN111152281A (en) * 2020-01-10 2020-05-15 芜湖加瑞食品有限公司 Dicing device with adjustable space for rice cake production and dicing method

Also Published As

Publication number Publication date
GB0421066D0 (en) 2004-10-20

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