US3890923A - Enrobing apparatus - Google Patents

Enrobing apparatus Download PDF

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Publication number
US3890923A
US3890923A US430400A US43040074A US3890923A US 3890923 A US3890923 A US 3890923A US 430400 A US430400 A US 430400A US 43040074 A US43040074 A US 43040074A US 3890923 A US3890923 A US 3890923A
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United States
Prior art keywords
tube
drum
powdered product
funnel
powder
Prior art date
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Expired - Lifetime
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US430400A
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English (en)
Inventor
Bernard Dumoulin
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Individual
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Individual
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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G3/00—Sweetmeats; Confectionery; Marzipan; Coated or filled products
    • A23G3/02—Apparatus specially adapted for manufacture or treatment of sweetmeats or confectionery; Accessories therefor
    • A23G3/20—Apparatus for coating or filling sweetmeats or confectionery
    • A23G3/26—Apparatus for coating by tumbling with a liquid or powder, spraying device-associated, drum, rotating pan

Definitions

  • These apparatus generally consist of a rotary trough or drum at the interior of which the liquid enrobing solution is poured onto the products to be treated. These are thus enrobed with a layer of this solution which solidifies during the rotation of the drum.
  • the enrobing solution for example a sugar syrup, is poured onto the products to be treated by means of projection pipes which form diffusers and which are disposed at the interior of the drum along its entire length.
  • the present invention has for its object an apparatus for carrying out the automatic distribu tion of a powdered additive product in the interior of the trough of an enrobing apparatus such as described above.
  • This apparatus comprises a powder distribution means extending along the entire length of the trough and consisting of a tube which is at least partly perforated, at the interior of which there is disposed a rotary powder feeding screw, the helicoidal thread of which carries on its circumference a brush adapted to move the powder across the perforations of this tube. Furthermore, a partial closing shutter is provided opposite the perforated portion of the latter to control the rate of distribution of the powder.
  • the present apparatus is arranged in such a manner as to provide re-cycling ofa part of the powder circulating in the distribution tube at the end of the latter. This permits the obtaining of a very great regularity of distribution, irrespective of the rate of distribution.
  • FIG. 1 is a schematic view in axial section of the present powder distribution device provided in an enrobing machine
  • FIG. 2 is a schematic view in transverse section
  • FIG. 3 is a partial view in axial section of the feeding screw provided in the powder distribution tube.
  • the apparatus shown equips the rotary drum of a known enrobing apparatus which is intended to carry out the enrobing or conversion into dragees of articles such as food or pharmaceutical products.
  • this drum includes pipes for carrying out projection of the enrobing liquid onto the products to be treated.
  • these pipes are not shown on the drawings because they do not form part of the present invention and they can be of various types already known or not.
  • the apparatus according to the invention comprises distribution means constituted by a tube 2 which extends along the entire length of the drum 1, parallel to the axis of the latter. This tube is fixed and it extends to the extremities of this drum which can rotate about it, this drum being driven by any appropriate means, not shown on the drawings, because it obviously does not form any part of the invention.
  • the wall of the tube 2 is cut away and comprises at this place a fitting 3 of grille material or perforated sheet metal adapted to allow passage of the powder to be distributed.
  • a movable shutter 4 for partial closing. This takes the form of an incurved strip following the shape of this tube 2 and which is mounted in such a manner as to be able to be turned about it. It is thus possible to modify the angular position of this shutter in such a manner as to free a larger or smaller surface of the perforated portion 3 of the distribution tube, which permits definitively the controlling of the rate of projection of the powder distributed by this tube.
  • This latter encloses an Archimedean screw, denoted by the general reference 5 which is driven in rotation by a motor 5a.
  • This screw which is intended to carry out the driving of the powder in the direction of the arrow F, is constituted by a rotary shaft 6 about which there is provided a metallic strip 7 of helicoidal shape, forming the thread of this screw.
  • This strip can be fixed on this shaft, for example by a welded seam.
  • This strip carries on its circumference a brush 8 bearing against the internal wall of the distribution ramp and which thus avoids any risk of warping of the wall of the perforated part thereof. Moreover, during its rotation, this brush forces the powder to pass across the perforations of the distribution ramp.
  • the tufts of hair of this brush are fixed in a profiled element 9 in the form of'a gutter placed against one of the faces of the helicoidal strip 7.
  • this brush could be constructed in any other appropriate manner.
  • the upstream end 2a of the distribution ramp is closed at the end and it is fed with powder to be projected by means of a funnel l0 constituting a sort of tamping element.
  • this funnel is itself fed by a funnel of larger dimensions to which it is coupled by a channel 11.
  • the opening of this principal funnel is controlled by a system in which automatic control of the level of the buffer funnel 10.
  • This system can comprise a detecting probe 12 shown schematically on FIG. 2.
  • intermediate funnel 10 likewise comprises an electromagnetic vibrator of variable frequency to facilitate the flow of the powder and avoiding all risks of formation of cavities at the interior of this funnel.
  • the downstream end of the distribution tube 2 is coupled to a conduit 13 ensuring its coupling with a recycling conduit 14 opening into the intermediate funnel 10.
  • This conduit is inclined and the flow of the powder coming from the distribution ramp takes place by gravity.
  • the conduit 14 encloses an Archimedean screw 15 intended to ensure the driving of this portion of'the powder as far as the intermediate funnel 10.
  • the present device can be installed in enrobing or dragee apparatus of various kinds. it can be employed to bring about an accelerated enlargement of the dragees by powdering them with sugar or with starch or with a mixture of sugar and starch, after completion of the enrobing stage by means of a liquid syrup.
  • this apparatus can likewise by used to carry out so-called tendre" dragee manufacture accompanied by powdering with sugar or any other appropriate powdered material, the enrobing layer being obtained in such a case by means of a syrup of sugar and glucose.
  • the invention also has for its object enrobing apparatus provided with such a device.
  • object enrobing apparatus provided with such a device.
  • These can 'be employed for uses of very varied nature each time that it is desired to carry out enrobing of various articles, for example food or pharmaceutical products, and likewise providing powdering with a powdered product.
  • Apparatus for coating various articles, such as food or pharmaceutical articles, with a powdered product comprising an elongated hollow treatment drum having opposite ends, said drum being rotatable about a horizontal axis and adapted to receive said articles; distributing means extending through the entire length of said drum and comprising a tube having a first end adapted to receive said powdered product and an opposite end, said tube being provided in a portion thereof extending within the drum from the region of one of said opposite ends of the drum to the region of the other of said opposite ends with perforations, a rotating feed screw extending substantially coaxially through said tube, a helicoidal brush provided on the periphery of said feed screw for passing the powdered product through said perforations, and an adjustable shutter extending along said portion of said tube for partial closure of said perforations; a recycling conduit communicating with said first and said opposite end of said tube; and means for feeding the powdered product through said recycling conduit.
  • Apparatus as defined in claim 1 and further comprising a main feeding funnel containing said powdered product; an intermediate funnel at which said recycling conduit terminates, said intermediate funnel communicating with said first end of said tube; an outlet provided on said main funnel and communicating with said intermediate funnel; and a control system controlling said outlet, said system including sensing means for sensing the level of the powdered product in said intermediate funnel.

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Confectionery (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Screw Conveyors (AREA)
  • Formation And Processing Of Food Products (AREA)
US430400A 1973-01-04 1974-01-03 Enrobing apparatus Expired - Lifetime US3890923A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7300218A FR2213648A5 (enrdf_load_stackoverflow) 1973-01-04 1973-01-04

Publications (1)

Publication Number Publication Date
US3890923A true US3890923A (en) 1975-06-24

Family

ID=9112898

Family Applications (1)

Application Number Title Priority Date Filing Date
US430400A Expired - Lifetime US3890923A (en) 1973-01-04 1974-01-03 Enrobing apparatus

Country Status (6)

Country Link
US (1) US3890923A (enrdf_load_stackoverflow)
JP (1) JPS49100280A (enrdf_load_stackoverflow)
DE (1) DE2400160A1 (enrdf_load_stackoverflow)
FR (1) FR2213648A5 (enrdf_load_stackoverflow)
GB (1) GB1410880A (enrdf_load_stackoverflow)
IT (1) IT1002458B (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4614162A (en) * 1984-06-07 1986-09-30 Frito-Lay, Inc. Apparatus and method for distribution of seasonings and like granular/powdered materials
US5386939A (en) * 1991-05-30 1995-02-07 Recot, Inc. Apparatus and method for distribution of seasonings and the like for the uniform distribution of seasonings or like granular/powdered materials
US20220030925A1 (en) * 2018-09-19 2022-02-03 Polar Systems Limited System for Processing Foodstuff
US20240081346A1 (en) * 2020-12-21 2024-03-14 Burford Corp. System and method for placing toppings on a product

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT375005B (de) * 1981-09-07 1984-06-25 Haas Franz Waffelmasch Verfahren und vorrichtung zur herstellung eines zumindest teilweise auf der innenseite beschichteten und gegebenenfalls zumindest teilweise gefuellten hohlgebaecks
DE3502426A1 (de) * 1985-01-25 1986-07-31 Driam Metallprodukt Gmbh & Co Kg, 7991 Eriskirch Vorrichtung zum dosieren und verteilen von rieselfaehigen stoffen auf kerne in einer dragiertrommel
FR2615127B1 (fr) * 1987-05-13 1989-07-28 Dumoulin Cie Ets F Dispositif de distribution de poudre, notamment pour l'enrobage ou la drageification de produits divers
DE102012018028A1 (de) * 2012-09-13 2014-03-13 Lothar A. Wolf Spezialmaschinen Gmbh Dragier- Vorrichtung mit Zuckerstreuer

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1003441A (en) * 1910-11-04 1911-09-19 Levi F Eaton Blackleading-machine.
US1713568A (en) * 1927-04-20 1929-05-21 Gus L Swenson Force-feed seed-treating machine
US1819557A (en) * 1928-11-03 1931-08-18 Doughnut Machine Corp Coating apparatus
US2883274A (en) * 1956-10-12 1959-04-21 Phillips Petroleum Co Pelleting of carbon black
US3404659A (en) * 1967-07-31 1968-10-08 Stein Sam Ass Machine for coating articles with finely divided particles, with conveyors
US3724416A (en) * 1970-05-28 1973-04-03 Allis Chalmers Mfg Co Electrostatic resin powder spray system having improved powder dispensing means

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH045374U (enrdf_load_stackoverflow) * 1990-04-27 1992-01-17

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1003441A (en) * 1910-11-04 1911-09-19 Levi F Eaton Blackleading-machine.
US1713568A (en) * 1927-04-20 1929-05-21 Gus L Swenson Force-feed seed-treating machine
US1819557A (en) * 1928-11-03 1931-08-18 Doughnut Machine Corp Coating apparatus
US2883274A (en) * 1956-10-12 1959-04-21 Phillips Petroleum Co Pelleting of carbon black
US3404659A (en) * 1967-07-31 1968-10-08 Stein Sam Ass Machine for coating articles with finely divided particles, with conveyors
US3724416A (en) * 1970-05-28 1973-04-03 Allis Chalmers Mfg Co Electrostatic resin powder spray system having improved powder dispensing means

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4614162A (en) * 1984-06-07 1986-09-30 Frito-Lay, Inc. Apparatus and method for distribution of seasonings and like granular/powdered materials
US5386939A (en) * 1991-05-30 1995-02-07 Recot, Inc. Apparatus and method for distribution of seasonings and the like for the uniform distribution of seasonings or like granular/powdered materials
US20220030925A1 (en) * 2018-09-19 2022-02-03 Polar Systems Limited System for Processing Foodstuff
US11974593B2 (en) * 2018-09-19 2024-05-07 Polar Systems Limited System for processing foodstuff
US20240081346A1 (en) * 2020-12-21 2024-03-14 Burford Corp. System and method for placing toppings on a product

Also Published As

Publication number Publication date
DE2400160A1 (de) 1974-07-18
GB1410880A (en) 1975-10-22
FR2213648A5 (enrdf_load_stackoverflow) 1974-08-02
IT1002458B (it) 1976-05-20
JPS49100280A (enrdf_load_stackoverflow) 1974-09-21
AU6414074A (en) 1975-07-03

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