US20010011587A1 - Cooling tunnel for articles of candy - Google Patents

Cooling tunnel for articles of candy Download PDF

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Publication number
US20010011587A1
US20010011587A1 US09/773,856 US77385601A US2001011587A1 US 20010011587 A1 US20010011587 A1 US 20010011587A1 US 77385601 A US77385601 A US 77385601A US 2001011587 A1 US2001011587 A1 US 2001011587A1
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US
United States
Prior art keywords
cooling
plate
tunnel
channel
designed
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.)
Abandoned
Application number
US09/773,856
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English (en)
Inventor
Hans Heyde
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.)
Sollich KG
Original Assignee
Sollich KG
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 Sollich KG filed Critical Sollich KG
Assigned to SOLLICH KG reassignment SOLLICH KG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HEYDE, HANS
Publication of US20010011587A1 publication Critical patent/US20010011587A1/en
Abandoned legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23GCOCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G7/00Other apparatus or process specially adapted for the chocolate or confectionery industry
    • A23G7/02Cooling or drying apparatus
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/36Freezing; Subsequent thawing; Cooling
    • A23L3/361Freezing; Subsequent thawing; Cooling the materials being transported through or in the apparatus, with or without shaping, e.g. in form of powder, granules, or flakes

Definitions

  • the present invention generally relates to a cooling tunnel for articles of candy.
  • the articles of candy may be articles including a core being covered by a mass, for example by a precrystallized chocolate mass.
  • the present invention relates to a cooling tunnel including an upper cooling unit and a bottom cooling unit. Cooling air is used in the region of the upper cooling unit. Heat is transferred from the articles of candy by radiation and/or by convection.
  • a cooling liquid is used in the region of the bottom cooling. The cooling liquid is guided through a cooling plate. A mixture of water and glycol or another cooling fluid may be used as cooling liquid.
  • a cooling tunnel is known from German Patent No. 196 07 055.
  • the known cooling tunnel for articles of candy includes a driven conveyor belt on which the articles of candy are supported to be transported through the cooling tunnel in the moving direction of the conveyor belt.
  • the known cooling tunnel includes a number of sections corresponding to its length.
  • the known cooling tunnel includes a treating region for articles of candy.
  • the treating region is formed by an insolating plate and by a cover or a hood.
  • An upper cooling unit is located above the conveyor belt, and it includes a channel through which cooling air flows.
  • the upper cooling unit at least includes three cooling zones being located one after the other in the moving direction of the conveyor belt.
  • the cooling zone being located in the middle region of the cooling tunnel is designed as an absorption zone.
  • the cooling zone being located at the end portion of the cooling tunnel is designed as a convection cooling zone.
  • a bottom cooling unit is located below the conveyor belt.
  • the bottom cooling unit for the articles of candy includes a cooling plate through which a cooling liquid flows.
  • the cooling plate is directly located on the insolating plate in a way that they substantially contact each other.
  • the insolating plate is made of polyurethane or of a different plastic material.
  • the cooling plate includes two sheets being interconnected by welding. The surfaces of the two sheets are also interconnected in a spaced apart manner. The cooling liquid flows through the interior of the cooling plate.
  • the known cooling tunnel also has a sectional design with respect to the cooling plate. Since the insulating plates are wider than the cooling plates, there are slots in each section and at both sides of the insolating plates and of the cooling plates (as seen in cross section perpendicular to the direction of movement of the conveyor belt). The slots are located over the length of the cooling tunnel.
  • Impurities and humidity may enter small gaps between the insulating plate and the cooling plate through the lateral slots. Consequently, there is the danger of germs occurring in the cooling tunnel. It is not possible to effectively seal the slots and to prevent impurities from entering the region between the adjacent plates. It is rather difficult to clean the slots because they are hard to be accessed. Due to the fact that cooling tunnels are often cleaned with water, there is the danger of the cleaning water entering the small gaps between the cooling plate and the insolating plate.
  • the known cooling tunnel also includes a plurality of sections being located one after the other in the moving direction of the conveyor belt.
  • the conveyor belt is moved and guided through the cooling tunnel.
  • Articles of candy may be put on the conveyor belt to be cooled during the movement of the conveyor belt through the cooling tunnel.
  • the known cooling tunnel includes an upper cooling unit, meaning a cooling unit being effective in the region above the plane of the conveyor belt and with which the articles of candy are being cooled form above.
  • the known cooling tunnel includes a bottom cooling unit being located below the plane being defined by the conveyor belt. The bottom cooling unit is effective below the plane of the conveyor belt to cool the lower sides of the articles of candy through the conveyor belt.
  • the known cooling tunnel includes an upper cooling unit using cooling air and a bottom cooling unit also using cooling air.
  • the present invention relates to a cooling tunnel for cooling articles of candy. More particularly, the present invention relates to a cooling tunnel including a driven conveyor belt being designed and arranged to support articles of candy and to convey them through the cooling tunnel in a moving direction.
  • a treating region for articles of candy is surrounded by an insolating plate and by a cover.
  • An upper cooling unit is arranged in a region above the conveyor belt.
  • the upper cooling unit includes a channel being designed and arranged for cooling air to flow therethrough.
  • a bottom cooling unit is arranged in a region below the conveyor belt.
  • the bottom cooling unit includes a cooling plate being designed and arranged for cooling liquid to flow therethrough.
  • the cooling plate in the treating region is designed and arranged to be spaced apart from the insolating plate in a vertical direction. A free space is formed between the cooling plate and the insolating plate.
  • the present invention also relates to an apparatus for cooling articles of candy.
  • the apparatus includes a driven conveyor belt being designed and arranged to convey articles of candy through the apparatus in a moving direction.
  • a cover and an insolating plate are designed and arranged to form a region of treatment for articles of candy.
  • An upper cooling unit is substantially arranged in a region above the conveyor belt.
  • the upper cooling unit includes a channel for cooling air.
  • a lower cooling unit is substantially arranged in a region below the conveyor belt.
  • the lower cooling unit includes a cooling plate for a cooling fluid.
  • the cooling plate is designed and arranged to be substantially spaced apart from the insolating plate in a vertical direction to form a free space or a channel.
  • the danger of germs being generated between the cooling plate and the insolating plate is substantially reduced.
  • the novel cooling tunnel there are no slots between the cooling plate and the insolating plate. Due to the vertical distance in combination with the parallel arrangement of the cooling plate and of the insolating plate, there is a free space that may be easily accessed after removing or pivoting away the corresponding cover.
  • the free space is not only located in the region of the edge portions of the cooling tunnel, but also in the direction of the width of the cooling tunnel. Such a free space may be easily and thoroughly cleaned when necessary. Additionally, the free space may also be used as channel to fulfil additional functions. With the novel cooling tunnel, it is not necessary to seal the region between the cooling plate and the insolating plate.
  • the conveyor belt may be arranged at a working height corresponding to the working height of a conveyor belt of a cooling tunnel using cooling air in the region of the bottom cooling unit.
  • two different kinds of cooling tunnels achieve the same working height no matter which kind of medium is used in the bottom cooling unit. Consequently, there also is the advantage that the two kinds of cooling tunnels both include further common elements.
  • the supporting structures of the two kinds of cooling tunnels may have the same dimensions.
  • the novel cooling tunnel may be rearranged to cool different articles of candy. It is possible to only rearrange the novel cooling tunnel in some of its sections. For example, a first section of the cooling tunnel may be operated with a cooling fluid to attain a great cooling effect in the region of the bottom cooling unit. A following section may be operated with cooling air to carefully cool the articles of candy in the region of the bottom cooling unit.
  • the dimensions of the novel cooling tunnel may be chosen in a way that the sum of the heights of the free space and of the cooling plate corresponds to the sum of the heights of a channel and of a carrier supporting sheet of a different cooling tunnel including a bottom cooling unit using cooling air.
  • the free space has dimensions of a different cooling tunnel taking into account the height of the cooling plate.
  • a belt supporting sheet is used. The belt supporting sheet supports the conveyor belt and the conveyor belt slides over the belt supporting sheet, respectively.
  • a cooling channel over which cooling air is being guided is arranged below the conveyor belt and below the belt supporting sheet, respectively.
  • the novel cooling tunnel includes a bottom cooling unit working with a cooling fluid, there is the possibility of changing the arrangement or adapting the arrangement of the cooling tunnel in an easy way.
  • the cooling plate in the region of the section of treatment may be supported on distance elements or on stilts being distributed over the width of the free space and of the channel, respectively, These distance elements provide for the cooling plate being supported in a spaced apart, parallel, horizontal plane with respect to the insolating plate without having a substantial negative effect on the accessibility of the free space.
  • the cooling plate may be made of a comparatively thin sheet metal. It is possible to enter the free space with a flushing apparatus or a different apparatus for applying cleaning water into the free space to achieve a cleaning effect in the free space. Even in case of cooling tunnels of different kinds, there is the further advantage of the conveyor belts being located at the same working height and of the upper sides of the covers of the different cooling tunnels being located at the same height. Thus, the corresponding cross sections being located above and below the conveyor belt have approximately the same dimensions.
  • the channel being located between the cooling plate and the insolating plate is designed as a return conduit of the upper cooling unit. Since cooling air is used in the upper cooling unit, there is the possibility to design a great free cross section above the conveyor belt in a special way and to use it, for example, by the arrangement of adjustable flaps, absorption walls and the like. The entire cross section being located above the conveyor belt may be used. The channel being located between the plate and the insolating plate may be used as return conduit. It is to be understood that the bottom cooling unit uses a cooling fluid being fed through the cooling plate.
  • the channel being located between the cooling plate and the insolating plate it makes sense to design the channel being located between the cooling plate and the insolating plate to be laterally open and to be surrounded by the cover. Due to the open design, the free space and the channel, respectively, may be freely accessed in a lateral direction after the cover has been removed or pivoted away in an upward direction. On the other hand, the free space being designed as a channel is sealed by ribs or protrusions being arranged in the region of the covers. Such an arrangement is absolutely sufficient to guide the air.
  • FIG. 1 is a view of a vertical section through a first exemplary embodiment of a cooling tunnel in its working position.
  • FIG. 2 is a view of a vertical section through the cooling tunnel of FIG. 1 in its cleaning position.
  • FIG. 3 is a view of a detail X of FIG. 1 in an enlarged scale.
  • FIG. 1 schematically illustrates a cooling tunnel 1 including a frame 2 .
  • the frame 2 is designed as a supporting structure or as a structure being similar to a table.
  • a conveyor belt 4 is driven by a motor (not shown) to move through the cooling tunnel 1 in a moving direction perpendicular to the plane of illustration of FIG. 1.
  • the conveyor belt 4 is located above a bottom 3 .
  • Articles of candy 6 are placed on the conveyor belt 4 to be cooled during the movement of the conveyor belt 4 through the cooling tunnel 1 .
  • the frame 2 includes support elements 7 and transverse bars 8 .
  • An insolating plate 9 is supported on the frame 2 .
  • the insolating plate 9 may be made of polyurethane.
  • the cooling tunnel 1 in its upper region is closed by a hood or a cover 10 .
  • the insolating plate 9 and the cover 10 define a treating region 11 within the cooling tunnel 1 .
  • the cooling tunnel 1 is separated or divided in the moving direction 5 in a direction perpendicular to the plane of illustration of FIG. 1 to include a plurality of sections, segments or portions.
  • the covers 10 have a length corresponding to a certain modular design of the cooling tunnel 1 .
  • the covers 10 are designed to be opened by a pivotal movement and/or they are designed to be removably supported on the edge portions of the insolating plate 9 . In this way, the treating region 11 of the cooling tunnel 1 may be easily accessed for cleaning purposes, maintenance purposes and inspection purposes.
  • the cooling tunnel 1 includes a lower cooling unit or a bottom cooling unit 12 and an upper cooling unit 13 .
  • the bottom cooling unit 12 includes a cooling plate 14 through which a cooling liquid may stream or flow.
  • the cooling plate 14 includes two sheets of metal. The edge portions of the sheets of metal are connected by welding. The two sheets are partially interconnected over their surfaces in a spaced apart manner in a way that the cooling liquid being located inside the cooling plate 14 is being distributed and mixed. For example, a mixture of water and glycol or a different cooling fluid may be used as cooling liquid.
  • the conveyor belt 4 with the articles of candy 6 being located thereon moves over the upper sheet of the cooling plate 14 .
  • the upper sheet of the cooling plate 14 has a substantially flat design. The articles of candy 6 are being cooled from below by the bottom cooling unit 12 .
  • the cooling plate 14 and the insolating plate 9 are arranged at a vertical distance.
  • the cooling plate 14 may be supported on distance elements 15 .
  • the distance elements 15 are distributed over the surface, and they support the cooling plate 14 .
  • a free space 16 is formed between the insolating plate 9 , the cooling plate 14 and the corresponding cover 10 .
  • the free space 16 may be easily accessed for cleaning purposes, maintenance purposes and inspection purposes.
  • the free space 16 may also be used as a return conduit for cooling air of the upper cooling unit 13 . In this case, the cooling tunnel 1 may still be accessed for reasons of cleaning, maintaining and inspecting the cooling tunnel 1 .
  • the design and arrangement of the free space 16 may be chosen in a way that the sum of the heights of the free space 16 and of the cooling plate 14 corresponds to the sum of the heights of a channel and of a sheet carrying the conveyor belt of a different cooling tunnel including a bottom cooling unit utilizing cooling air.
  • the second mentioned cooling tunnel is a cooling tunnel of a different kind.
  • the arrangement of the first cooling tunnel provides a number of advantages.
  • the working heights of the two cooling tunnels are identical. This means that the two conveyor belts 4 are located at the same height. In this way, tunnel modules of the first kind may be combined with tunnel modules of the second kind to together form a combined cooling tunnel. Additionally, changing tunnel sections within an existing cooling tunnel is being simplified.
  • a roller path 18 is arranged below the insolating plate 9 to transport the lower portion of the conveyor belt 4 .
  • the tunnel modules may have a length in a range of approximately 2 m or 3 m.
  • the cooling plates 14 have a continuous design. This means that each tunnel module only includes one cooling plate 14 .
  • each tunnel module includes a plurality of covers 10 to reduce the weight of each cover 10 and to simplify the pivotal movement of the covers 10 .
  • the covers 10 in their upwardly pivoted position (FIG. 2) are supported on supports 18 .
  • FIG. 3 illustrates the structure of the cooling plate 14 in greater detail.
  • the lower sheet 21 of the cooling plate 14 may have a deformed design to have a cross section 22 having the design of a groove through which cooling fluid flows.
  • the free space 16 is located below the lower sheet 21 .

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Confectionery (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
US09/773,856 2000-02-03 2001-02-01 Cooling tunnel for articles of candy Abandoned US20010011587A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10004754A DE10004754C1 (de) 2000-02-03 2000-02-03 Kühltunnel für Süßwarenstücke
DE10004754.8-23 2000-02-03

Publications (1)

Publication Number Publication Date
US20010011587A1 true US20010011587A1 (en) 2001-08-09

Family

ID=7629713

Family Applications (1)

Application Number Title Priority Date Filing Date
US09/773,856 Abandoned US20010011587A1 (en) 2000-02-03 2001-02-01 Cooling tunnel for articles of candy

Country Status (5)

Country Link
US (1) US20010011587A1 (de)
EP (1) EP1129625B1 (de)
DE (2) DE10004754C1 (de)
DK (1) DK1129625T3 (de)
ES (1) ES2276721T3 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050039608A1 (en) * 2003-08-20 2005-02-24 Thomas Sollich Tunnel for treating food articles
WO2006029762A1 (en) * 2004-09-16 2006-03-23 Unilever Plc Apparatus and method for cooling a food product
JP2016534754A (ja) * 2013-11-26 2016-11-10 インターコンチネンタル グレート ブランズ エルエルシー チューインガムの温度制御のためのシステム及び方法
CN108902435A (zh) * 2018-08-06 2018-11-30 德清笑堂食品有限公司 一种糖果成型冷却装置
US20210392909A1 (en) * 2018-10-22 2021-12-23 Robert G. Nothum, Jr. Contact drum freezer system for automated and/or mechanized food process lines, and products produced thereby

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011122062A1 (de) 2011-12-22 2013-06-27 Hosokawa Bepex Gmbh Hygienischer Kühlkanal
DE202015004411U1 (de) * 2015-06-12 2016-06-14 Mf-Hamburg Maschinen- Und Anlagenbau Gmbh Maschine zum Kühlen, Wärmen oder Trocknen

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2783618A (en) * 1955-03-01 1957-03-05 Reflectotherm Inc Radiant cooling tunnels
US3141500A (en) * 1962-02-14 1964-07-21 Dean Products Inc Heat exchanger coils of the panel type
US3300994A (en) * 1964-11-17 1967-01-31 Fiskeridirektoratets Kjemisk T Freezing of foodstuffs
US3538719A (en) * 1966-06-15 1970-11-10 Henri Pradel Method for making the substructure of an ice-skating rink
US4615677A (en) * 1984-09-06 1986-10-07 Voest-Alpine Aktiengesellschaft Arrangement for recovering the sensible heat of dumpable hot stock
US4844766A (en) * 1985-08-24 1989-07-04 Kurt Held Process for continuous production of termoplastic webs
US4881379A (en) * 1988-12-23 1989-11-21 Nissin Gourmet Beef Co., Ltd. Continuous quick freezing apparatus for food
US5785118A (en) * 1995-11-15 1998-07-28 Peters Maschinenfabrik Gmbh Heating device for a machine producing corrugated cardboard

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB202634A (en) * 1922-08-15 1924-11-06 Harry Bentz Improved method and means for cooling sweetmeats
GB997116A (en) * 1962-12-12 1965-06-30 Robert Sollich Apparatus for cooling chocolate compositiors
DE2322918C3 (de) * 1973-05-07 1980-12-04 Sollich Kg Spezialmaschinenfabrik, 4902 Bad Salzuflen Kühlkanal für mit Schokolademasse o.dgl. überzogene Gegenstände
DD212414A1 (de) * 1982-12-17 1984-08-15 Hans Protze Kuehlkanal fuer mit schokoladenmasse oder aehnlichen massen ueberzogene artikel
DE8915395U1 (de) * 1989-04-28 1990-06-13 Sollich KG, 32105 Bad Salzuflen Tunnel zum Kühlen, Wärmen oder Trocknen von Nahrungsmitteln, insbesondere Süßwaren
DE19607055C2 (de) * 1996-02-24 1998-03-19 Sollich Gmbh & Co Kg Kühltunnel für Süßwarenstücke

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2783618A (en) * 1955-03-01 1957-03-05 Reflectotherm Inc Radiant cooling tunnels
US3141500A (en) * 1962-02-14 1964-07-21 Dean Products Inc Heat exchanger coils of the panel type
US3300994A (en) * 1964-11-17 1967-01-31 Fiskeridirektoratets Kjemisk T Freezing of foodstuffs
US3538719A (en) * 1966-06-15 1970-11-10 Henri Pradel Method for making the substructure of an ice-skating rink
US4615677A (en) * 1984-09-06 1986-10-07 Voest-Alpine Aktiengesellschaft Arrangement for recovering the sensible heat of dumpable hot stock
US4844766A (en) * 1985-08-24 1989-07-04 Kurt Held Process for continuous production of termoplastic webs
US4881379A (en) * 1988-12-23 1989-11-21 Nissin Gourmet Beef Co., Ltd. Continuous quick freezing apparatus for food
US5785118A (en) * 1995-11-15 1998-07-28 Peters Maschinenfabrik Gmbh Heating device for a machine producing corrugated cardboard

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050039608A1 (en) * 2003-08-20 2005-02-24 Thomas Sollich Tunnel for treating food articles
WO2006029762A1 (en) * 2004-09-16 2006-03-23 Unilever Plc Apparatus and method for cooling a food product
JP2016534754A (ja) * 2013-11-26 2016-11-10 インターコンチネンタル グレート ブランズ エルエルシー チューインガムの温度制御のためのシステム及び方法
CN108902435A (zh) * 2018-08-06 2018-11-30 德清笑堂食品有限公司 一种糖果成型冷却装置
US20210392909A1 (en) * 2018-10-22 2021-12-23 Robert G. Nothum, Jr. Contact drum freezer system for automated and/or mechanized food process lines, and products produced thereby

Also Published As

Publication number Publication date
EP1129625A3 (de) 2004-12-01
DE50111919D1 (de) 2007-03-15
ES2276721T3 (es) 2007-07-01
DE10004754C1 (de) 2001-08-02
EP1129625A2 (de) 2001-09-05
DK1129625T3 (da) 2007-05-29
EP1129625B1 (de) 2007-01-24

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Legal Events

Date Code Title Description
AS Assignment

Owner name: SOLLICH KG, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HEYDE, HANS;REEL/FRAME:011513/0348

Effective date: 20010112

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION