US3739744A - Sugar coating apparatus - Google Patents

Sugar coating apparatus Download PDF

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Publication number
US3739744A
US3739744A US00152590A US3739744DA US3739744A US 3739744 A US3739744 A US 3739744A US 00152590 A US00152590 A US 00152590A US 3739744D A US3739744D A US 3739744DA US 3739744 A US3739744 A US 3739744A
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United States
Prior art keywords
drum
partitions
articles
chambers
coating apparatus
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 - Lifetime
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US00152590A
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English (en)
Inventor
F Eriksen
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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

  • references Cited UNITED STATES PATENTS Clark et al. 259/87 X An apparatus for coating confectionary centers, medical tablets or similar articles, comprising a rotary drum, the internal space of which is divided into a plurality of chambers for receiving and holding separate batches of articles.
  • the chambers are separated from one another by substantially diametrical partition walls that are moved axially through the drum so that the chambers travel in the same direction and preferably with increasing capacity or volume.
  • the invention has for its object to provide an automatically operating sugar coating apparatus, which even with a very high capacity, for example a capacity corresponding to that of a few hundred traditional coating pans, requires only a minimum-of-manual work,.and which affords the possibility of accurately controlling the entire coating process.
  • the coating apparatus is characterized in that it comprises a drum journalled for rotation on its substantially horizontal axis and having at one end an inlet for the articles to be coated, a plurality of transversal partition walls which are movable through the drum from the inlet end thereof towards its other end and divide the drum space into a number of chambers for receiving separate batches of the articles to be coated and which are travelling in the axial direction of the drum, means for supplying preferably heated and dried ventilating air to the drum, and means for supplying coating material, for example sugar solution and dyestuff, in adjustable quantities to the various chambers of the drum.
  • coating material for example sugar solution and dyestuff
  • each batch can be kept entirely separated from the other batches from the start to the end of the coating process, namely in one each of the rotary drum travelling chambers, and during the travelling motion the various batches may be supplied with coating material in adequate quantities totally as well as per time unit, just like the supply of ventilating air may be adapted to conditions, so that the coating process proceeds under optimum conditions.
  • Control of the various functions, particularly the supply of coating material and air may be effected fully automatically by means of conventional equipment, which may be built into the drum.
  • a particularly important embodiment of the sugar coating apparatus according to the invention is characterized in that the partition walls are movable through the drum at a continuously or stepwise increasing velocity.
  • the axial or lengthwise motion of the partition walls may be provided in different ways, for example pneumatically or hydraulically, but according to the invention it is preferable that the drum contains a stationary frame comprising one or more throughgoing guide rails for slidably supporting the partition walls and a plurality of endless chain drives disposed in successive and overlapping relationship and having catching means for moving the partition walls along the guide rails over one part section each.
  • a stepwise increasing velocity of the motion may in this case be ensured by the chain drives, which pairwise, in their areas of a overlap, have a common shaft with fixed sprockets, the diameters of which are larger for a subsequent chain drive than for a preceding chain drive.
  • the apparatus will through structurally simple measures be capable of working more reliably with a minimum of inspection and maintenance.
  • the size of the installation may be chosen according to need, but the drum may by way of example have a length of5 to 25 m and a diameter of l to 3 m or more.
  • FIG. 1 shows a complete installation comprising an embodiment of the apparatus of the invention
  • FIG. 2 a cross-section on a larger scale through the rotary drum of the apparatus
  • FIG. 3 is a longitudinal section through the drum on a somewhat smaller scale and partially on the line III- -III in FIG. 2.
  • reference numeral 1 designates the coating drum of the apparatus which is disposed with a substantially horizontal axis and, by means, not shown, may be rotated on said axis.
  • a pipe 2 through which coating material, usually boiled sugar solution, can be supplied by means of a pump 3 from a pair of storage containers 4, which may be coupled-in according to choice by means of valve 5.
  • Storage containers 4 receive the material from an automatic boiler 6 and via a change-over valve 7.
  • the material is supplied to boiler 6 by means of a pump 8 and via a change-over valve 9 from a pair of sugar-dissolvers 10.
  • dyestuff can be supplied to drum 1 via a pipe 11 from a battery of dyestuff containers [2.
  • the required pumps and regulating valves for controlling the supply of dyestuff are not shown in the drawing.
  • Dried and heated ventilating air flows through drum 1 in the main direction indicated by an arrow in FIG. 1.
  • the consumed gaseous fluid i.e., wetted air impurified by sugar dust
  • a pipe extends from the top of cyclone 14 to the inlet of a centrifugal blower 16, which blows the air through a conditioning unit comprising a filter 17, a cooling section 18, in which the air is dried, and a heating section 19 from which a pipe 20 extends back to drum 1.
  • a frame 21 which in the embodiment shown constitutes a grid structure with three parallel pipes 22, 23 and 24, of which pipe 23 is fragmentarily indicated in FIG. 3.
  • the two pipes 23 and 24 serve for supporting and guiding a plurality of loose partition walls 25a, 25b, 25c and 25d, which by means of slide shoes 26 are slidably supported on the two pipes 23 and 24.
  • FIG. 2 the direction of rotation of the drum is indicated by an arrow, and it will be seen that plates 25a etc. with their arced edges extend along more than half the drum periphery, but in such a way that the plates extend to a higher level at the side of the drum 1, where the drum wall moves upwards during the rotary motion, than at the other side of the drum. In this way the plates or partition walls 25a etc. will constitute a sufficiently effective separation between a plurality of chambers 27a, 27b etc.
  • Inclined shafts 29a, 29b etc. are supported in suitable spaced-apart relationship on frame 21, of which shafts the first one supports a single pair of sprockets 30, whereas the other shafts are shown equipped with two pairs of sprockets 31a, 31b; 32a, 32b etc.
  • the two pairs of sprockets and 31a form part of the chain drive 28a and support a pair of endless parallel driving chains comprising catching means 34, three such catching means being shown in FIG. 3.
  • the chains run on idlers 33, which over a part section force the chains to run along the supporting and guiding pipes 23 and 24 and at such distance from the edges of the plates with the slide shoes 26 as to keep the catching means 34 into engagement with the plates over said part section.
  • sprockets 30 and 31a have the same diameter, and the same applies to sprockets 31b and 32a etc., but at the same time it holds good that the b-sprockets have a larger diameter than the a-sprockets, which means that the partition wall 25 advanced by a subsequent chain drive is moved at a greater velocity than a partition wall 25 advanced by a preceding chain drive.
  • the velocity of the plates increases stepwise during the travel through drum 1 and, consequently, the length of the chamber 27a, 27b, etc. defined by said partition plates will increase continuously, which has the advantage emphasized above, namely that the total capacity of the rotary drum can at any time be fully utilized.
  • Article coating apparatus comprising a drum mounted for rotation about its substantially horizontal axis and defining an article tumbling space, said drum having an inlet and a discharge opening for the articles, a plurality of movably supported partitions dividing said tumbling space into an axial series of individual chambers to hold separate batches of articles, means for moving said partitions parallel to said axis, said separate batches of articles being moved with said partitions, and means for supplying coating material and ventilating air in adjustable quantities to said chambers.
  • Article coating apparatus as claimed in claim 1, comprising means for moving said partitions from one end of said drum to the other end thereof at a stepwise increasing velocity.
  • Article coating apparatus comprising a drum mounted for rotation about its substantially horizontal axis and defining an article tumbling space, said drum having an inlet and a discharge opening for the articles, a stationary frame structure extending through said drum from one end thereof to the other end, a plurality of partitions slidably supported by said stationary frame structure and dividing said tumbling space into an axial series of individual chambers to hold separate batches of articles, a plurality of endless chain drives disposed in successive and pairwise overlapping relationship, said chain drives having catching means for moving said partitions along said frame structure over individual longitudinal sections thereof, and means for supplying coating material and ventilating air in adjustable quantities to said chambers.
  • Article coating apparatus as claimed in claim 3, wherein said endless chain drives in their ares of overlap have a common shaft carrying at least one set of corotating sprockets belonging to a preceding and a subsequent chain drive, respectively, the diameter of the sprocket belonging to the subsequent chain drive being larger than that of the sprocket belonging to the preceding chain drive.

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Coating Apparatus (AREA)
  • Confectionery (AREA)
  • Medicinal Preparation (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
US00152590A 1970-06-22 1971-06-14 Sugar coating apparatus Expired - Lifetime US3739744A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK321870AA DK121684B (da) 1970-06-22 1970-06-22 Dragéeringsanlæg.

Publications (1)

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US3739744A true US3739744A (en) 1973-06-19

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US00152590A Expired - Lifetime US3739744A (en) 1970-06-22 1971-06-14 Sugar coating apparatus

Country Status (8)

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US (1) US3739744A (da)
CH (1) CH539394A (da)
DE (1) DE2129740A1 (da)
DK (1) DK121684B (da)
FR (1) FR2099787A5 (da)
GB (1) GB1308840A (da)
NL (1) NL7108556A (da)
SE (1) SE358077B (da)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4766839A (en) * 1984-12-13 1988-08-30 Rudolf Dunajtschik Drum with spray fitting for the production of dragees
US20070275163A1 (en) * 2003-08-01 2007-11-29 Driam Analgenbau Gmbh Method and Device for the Continuous Coating of Cores by Means of a Dragee-Making Apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1223004B (it) * 1987-10-28 1990-09-12 Meccaniche Bolzoni Spa Costruz Unita' a forche per carrelli elevatori
EP0744212B1 (de) * 1995-05-24 1999-09-29 L.B. BOHLE PHARMATECHNIK GmbH Trommelcoater

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US25306A (en) * 1859-08-30 pratt
US570360A (en) * 1896-10-27 Washing-machine
US891327A (en) * 1908-03-30 1908-06-23 American Sintering Company Sintering apparatus.
US3285223A (en) * 1963-12-09 1966-11-15 Archer Daniels Midland Co Apparatus for coating granules

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US25306A (en) * 1859-08-30 pratt
US570360A (en) * 1896-10-27 Washing-machine
US891327A (en) * 1908-03-30 1908-06-23 American Sintering Company Sintering apparatus.
US3285223A (en) * 1963-12-09 1966-11-15 Archer Daniels Midland Co Apparatus for coating granules

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4766839A (en) * 1984-12-13 1988-08-30 Rudolf Dunajtschik Drum with spray fitting for the production of dragees
US20070275163A1 (en) * 2003-08-01 2007-11-29 Driam Analgenbau Gmbh Method and Device for the Continuous Coating of Cores by Means of a Dragee-Making Apparatus
US7955643B2 (en) 2003-08-01 2011-06-07 Driam Anlagenbau Gmbh Method and device for the continuous coating of cores by means of a dragée-making apparatus

Also Published As

Publication number Publication date
DE2129740A1 (de) 1971-12-23
SE358077B (da) 1973-07-23
CH539394A (de) 1973-07-31
GB1308840A (en) 1973-03-07
DK121684B (da) 1971-11-15
NL7108556A (da) 1971-12-24
FR2099787A5 (da) 1972-03-17

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