US2336298A - Apparatus for sugar-coating articles - Google Patents

Apparatus for sugar-coating articles Download PDF

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US2336298A
US2336298A US416844A US41684441A US2336298A US 2336298 A US2336298 A US 2336298A US 416844 A US416844 A US 416844A US 41684441 A US41684441 A US 41684441A US 2336298 A US2336298 A US 2336298A
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strips
drum
outer drum
opposite ends
spaced
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Joseph G Rubens
Laster Robert
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Joe Lowe Corp
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Joe Lowe Corp
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    • AHUMAN NECESSITIES
    • A21BAKING; EDIBLE DOUGHS
    • A21CMACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH
    • A21C15/00Apparatus for handling baked articles
    • A21C15/002Apparatus for spreading granular material on, or sweeping or coating the surface of baked articles

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  • the present invention relates generally to apparatus for coating articles with pulverized or granular materials, and, while it is applicable to many other uses, it is more specifically concerned with the coating of bakery products, such as cakes. crullers, cookies, doughnuts and the like, with dry powdery sugar or materials having similar physical characteristics.
  • An object of the present invention is to provide a simple. inexpensive and economical apparatus for applying a uniform coating to articles of the character described in a rapid. eiiicient, economical and continuous manner without danger of damaging said articles, applying an incomplete or non-uniform coating thereto, or wasting said coating material.
  • a further object of the invention is the provision of simple, inexpensive and efiicient apparatus which permits the safe and eflicient handling of large numbers of such products simultaneously and continuously, and which is capable of adjustments for controlling the passage of said products through said apparatus and assuring the application of a uniform over-all coating thereto.
  • Another object of the invention is the provision of means for positively tumbling said articles in an eflicient and non-injurious manner, and positively causing an application of said coating materials to all exterior surfaces of said products during each tumbling operation.
  • a further object of the invention is to provide suitable adjustable means for increasing or decreasing the spiral of said inner drum for regulating the gravitational flow of articles through said machine, thereby varying the capacity of said machine without changing its speed of rotation.
  • Another object of the invention is the provision of suitable adjustable means for increasing or decreasing the radial planes of said flexible strips of said inner drum for causing positive tumbling of articles passing therethrough, thereby assuring the application of a complete and uniform coating over all exterior surfaces of said products.
  • a further object of the invention is to provide means for adjusting the size of the discharge opening, thereby increasing or decreas-v ing the amount of pitch or slope or said inner drum, which in turn regulates the gravitational flow of articles therethrough independently of the speed of rotation of the machine.
  • Fig. 1 is a longitudinal sectional view of an apparatus constructed in accordance with the invention, with the supporting platform and inner drum being shown in elevation;
  • Fig. 2 is a cross-sectional view of the apparatus shown in Fig. 1, the same being taken along the line 2-2 thereof, looking in the direction of the arrows;
  • Fig. 3 is a perspective view of the outer frame structure of the inner drum
  • Fig. 4 is a perspective view of the inner frame structure of the inner drum, showing the manner in which it is mounted within the outer frame member of the inner drum, and illustrating the manner in which the flexible strips thereof are to be mounted thereover;
  • Fig. 5 is a cross-sectional view of the inner drum of the apparatus shown in Fig. 1, the same being taken along the line 5-5 thereof, looking in the direction of the arrows.
  • a welded box-like supporting structure I0 having four angle-iron uprights or legs l2 suitably connected at their tops and braced intermediate their ends by horizontal angle-iron cross-bars M.
  • a pair of transversely extending T-shaped cross-bars I6 are welded adjacent each end of the top of the supporting structure l0.
  • Supporting brackets I8 are welded on top of the T-shaped cross-bars l6 adjacent each of the ends thereof.
  • Each bracket has suitably joumaled therein a stub shaft 20, upon which are mounted rollers 22.
  • rollers 22 has a sprocket wheel 24 fixedly mounted thereon, which is connected by a drive chain 26 to a conventional reduction gear box 28, which in turn is suitably connected to an electric motor mounted upon angle-iron supports 32 welded to the intermediate cross-bars H.
  • the outer drum 36 which is rotatably positioned on the rollers 22 and driven frictionally thereby, is provided with an inlet opening 42 at one end and a discharge opening 44 at its opposite end.
  • the inlet opening 42 is provided with a receiving hopper 46, having an inclined bottom 48 which acts as a feeding trough for discharging the articles delivered to the hopper 46 into the machine.
  • the hopper 46 is suitably supported by a pair of spaced brackets 49 welded to the supporting structure I8.
  • a pair of axially spaced annular rings 58 are mounted concentrically within'theouter drum 36.
  • a plurality of spiral vanes 52 are mounted axially between the rings 58, and extend radially outwardly from the interior surface of the drum 36. These vanes 52 serve to distribute the coating material during rotation of the drum 36.
  • Each of the rings 58 has a series of arcuately shaped slots 54, extending therethrough between th vanes 52.
  • the slots 54 serve as means for mounting axially extending drag chains 56, which are suitably attached to the inward'ends of bolts 68, that project outwardly, and are fastened therein by nuts 68.
  • the drag chains 56 assist in the distribution of the coating material, and serve to break up any lump formations that may occur therein.
  • An inner drum I8 which is preferably of conicalshape, is concentrically fitted at its opposite ends within the inlet opening 42 and th discharge opening 44 of the imperforate outer drum 36.
  • the diameter of the inner drum I8 is of such dimensions as to leave a concentric interspace between the two drums, which interspace serves as a reservoir for the coating material.
  • the inner drum I8 consists of an outer cylindrical supporting frame I4 and an inner cylindrical supporting fram I6.
  • the outer cylindrical frame 14 is made up of spaced end rings I8 and 88 suitably connected by a series of circumferentially spaced axially extending rods 82 suitably welded thereto.
  • the end rings 18 and 88 are of a size adapted to be fitted frictionally into the inlet and discharge openings of the outer drum 36.
  • the inner cylindrical frame I6 consists of spaced end rings 84 and 86 of smaller diameter than the corresponding rings I8 and 88 f the outer cylindrical frame I4, and have projecting inwardly therefrom a series of axially extending rods 88.
  • the rods 88 are slidably mounted on their respective end rings 84 and 86, as indicated at 89. The inward ends of the rods 88 projecting from the end rings 84 and,
  • the inner frame I6 is substantially shorter than the corresponding outer frame I4.
  • the end ring 84 of the inner frame 16 is fixedly secured concentrically within the end ring 18 of the outer frame 14 by a series of spacing lugs 92, and its opposite end ring 86 is freely positioned adjacent the end ring 88 of the outer frame I4 at the ends of the rods 88.
  • the surface covering for the inner drum consists of a plurality of relatively narrow strips 94 of flexible material, which 'may be fabric, cloth, rubber, rubber and fabric, woven wire, etc.
  • strips 94 are securely fastened, as indibe a slight circumferential spacing of the strips 94 as they pass around that ring 88.
  • a pair of axially spaced circumferentially extending bands 98 and I88 are alternately interwoven over and under adjacent strips 94 of the drum Ill.
  • the band I88 is provided with a conventional belt buckle I82, as best shown in Fig. 5, which permits loosening or tightening of the same for adlusting the radial position'of certain of the.
  • the bed of coating material is showered down on the top side of said products as the drum revolves;
  • the difference in the radial planes of the strips 94 causes the products to be positively and gently turned over and over, each time falling back in the bed of the coating material covering the strip, and each time being showered by the coating material carried vup by other strips.
  • the products are gently turned over and over in their own coating material, and not permitted to fall against a hard screen surface, as in the case of conventional machines.
  • Such a screen surface has many disadvantages in that it not only permits all excess coating material to pass therethrough, but also scrapes off some of the coating that has already been applied.
  • a machine of the character described comprising a rotatable outer drum having inlet and discharge openings at opposite ends, an inner drum formed of spaced strips of flexible material fitted at its opposite ends within said openings and mounted in spaced relation to said outer drum, and means for rotating said outer drum.
  • a machine of the character described comprising a rotatable outer drum having inlet and discharge openings at opposite ends, an inner drum formed of spaced strips of flexible material fitted at its opposite ends within said openings and mounted in spaced relat on to said outer drum, means for adjusting the tension on said strips, and means for rotating said outer drum.
  • a machine of the character described comprising a rotatable outer drum having inlet and discharge openings at opposite ends, an inner drum formed of spaced spiral strips of flexible material fitted at its opposite ends within said openings and mounted in spaced relation to said outer drum, means for adjusting the spiral of said strips, and means for rotating said outer drum.
  • a machine of the character described comprising a rotatable cylindrical outer drum having inlet and discharge openings at opposite ends, a conical inner drum formed of spaced strips of flexible material fitted at, its opposite ends within said openings and mounted in spaced relation to said outer drum, means for radially adjusting the position of said strips to increase or decrease the size of said discharge opening, and means for rotating said outer drum.
  • a machine of the character described comprising a rotatable cylindrical outer drum having inlet and discharge openings at opposite ends, a conical shaped inner drum formed of spaced strips of flexible material fitted at its opposite ends within said openings and mounted substantially concentrically in spaced relation to said outer drum, and means for rotating said outer drum.
  • a machine of the character described comprising a rotatable cylindrical outer drum having inlet and discharge openings at opposite ends, a conical shaped inner drum formed of spaced spiral strips of flexible material fitted at its opposite ends within said openings and mounted substantially concentrically in spaced relation to said outer drum, means for adjusting the spiral of said strips, and means for rotatinn said outer drum.
  • a machine of the character described comprising a rotatable cylindrical outer drum having inlet and discharge openings at opposite ends, a conical shaped inner drum formed of spaced spiral strips of flexible material fitted at its opposite ends within said openings and mounted substantially concentrically in spaced relation to said outer drum, means for adjusting the tension on said spiral strips, and means for rotating said outer drum.
  • a rotatable cylindrical outer drum of imperforate material having inlet and discharge openings at opposite ends, a conical inner drum fitted at its opposite ends within said openings formed of spaced strips of flexible material and mounted in interspaced relation to said outer drum, said strips being arranged in difierent radial planes to provide means for insuring tumbling of said articles to be treated during rotation of said drum, and means for rotating said outer drum.
  • a machine of the character described comprising a rotatable cylindrical outer drum of imperforate material having inlet and discharge openings at opposite ends.
  • a conical shaped inner drum formed of spaced strips of flexible material fitted at its opposite ends with- I in said openings and mounted in interspaced relation to said outer drum, said strips being arranged in different radial planes to provide means for insuring tumbling or said articles to be treated during rotation 01' said drum, means for radially changing the plane of said strips,
  • a machine of the character described comprising a rotatable cylindrical outer drum of imperforate material having inlet and discharge openings at opposite ends, a conical shaped inner drum formed of spaced spiral strips of fabric fitted at its opposite ends within said openings and mounted concentrically within said outer drum, said strips being alternately arranged in difierent radial planes to provide means for insuring tumbling of said articles to be treated during rotation of said drum, means for adjusting the spacing between said groups of alternate strips, and means for rotating said outer drum.
  • a machine of the character described comprising a rotatable cylindrical outer drum of imperforate material having inlet and discharge openings at opposite ends, a conical shaped inner drum formed of spaced spiral strips of fabric fitted at its opposite ends within said openings and mounted concentrically within said outer drum, said strips being alternately arranged in different radial planes to provide means for insuring tumbling of said articles to be treated during rotation of said drum, means for adjusting the spacing getween said groups of alternate strips, means for adjusting the tension of said strips, and means for rotating said outer drum.
  • a machine of the character described comprising a rotatable cylindrical outer drum having inlet and discharge openings at opposite ends, a conical inner drum formed of spaced strips of flexible material fitted at its opposite ends within said openings and mounted concentrically within said outer drum in spaced relation thereto, said strips being alternately arranged in difierent radial planes to provide means for insuring tumbling of said articles to be treated during rotation of said drum, means for adjusting the radial spacing between said alternate strips, means for adjusting the tension on said strips, and means for rotating said outer drum.
  • a machine of the character described comprising a rotatable cylindrical outer drum having inlet and discharge openings at opposite ends, a conically shaped inner drum formed of spaced strips extending longitudinally and spirally from the inlet opening to the discharge opening, said inner drum being spaced concentrically from said outer drum and having its larger end positioned adjacent the discharge opening, and means for rotating said outer drum,
  • a machine of the character described comprising a rotatable cylindrical outer drum having inlet and discharge openings at opposite ends, a conical shaped inner drum formed oi! spiral strips of flexible material mounted at opposite ends within said openings, means for adjusting the spiral of said strips, means for adjusting the tension of said strips, and means for rotating said outer drum.
  • a machine of the character described comprising a rotatable cylindrical'outer drum having inlet and discharge openings at opposite ends, a conical shaped inner drum formed of spiral strips of flexible material mounted at opposite ends within said openings, means for adjusting the tension of said strips, means for adjusting the spiral of said strips, means for adjusting the radial plane of certain of said strips, means within the space between said drums for elevating coating material contained therein, and meansfor rotating said outer drum 16.
  • a machine of the character described comprising a rotatable cylindrical outer drum having inlet and discharge openings at opposite ends, a conical shaped inner drum formed of spiral strips of, flexible material mounted at opposite ends within said openings, means for adjusting the tension or said strips, means for adjusting the spiral of said strips, means for adjusting the radial plane of the alternate strips, axial means extending within the space between said drums for elevating sugar contained therein, means extending axially of said space between said drums for agitating and distributing the coating material when the drum is rotated, and means for rotating the outer ,drum.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
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Description

Dec. 7, 1943. J. G. RUBENS ETAL APPARATUS FOR SUGAR COATING ARTICLES Filed Oct. 28'. 1941 2 Sheets-Sheet l M M 53 a 5 I m y! w Z A 0 J mm L v m 1 k m mm 3 z NW NW aw ww m 8 an wk w If g mm A Dec. 7, 1943. U N ETAL 2,336,298
APPARATUS FOR SUGAR COATING ARTICLES Filed Oct. 28. 1941' 2 Sheets-Sheet 2 INVENTORS I h J abens W i t .ll gsifer Patented Dec. 7, 1943 APPARATUS FOR SUGAR-COATIN G ARTICLES Joseph G. Rubens N. Y., assignors and Robert Laster, Brooklyn, to Joe Lowe Corporation, New
York, N. Y., a corporation of Delaware Application October 28, 1941, Serial No. 416,844
16 Claims.
The present invention relates generally to apparatus for coating articles with pulverized or granular materials, and, while it is applicable to many other uses, it is more specifically concerned with the coating of bakery products, such as cakes. crullers, cookies, doughnuts and the like, with dry powdery sugar or materials having similar physical characteristics.
An object of the present invention is to provide a simple. inexpensive and economical apparatus for applying a uniform coating to articles of the character described in a rapid. eiiicient, economical and continuous manner without danger of damaging said articles, applying an incomplete or non-uniform coating thereto, or wasting said coating material.
A further object of the invention is the provision of simple, inexpensive and efiicient apparatus which permits the safe and eflicient handling of large numbers of such products simultaneously and continuously, and which is capable of adjustments for controlling the passage of said products through said apparatus and assuring the application of a uniform over-all coating thereto.
Another object of the invention is the provision of means for positively tumbling said articles in an eflicient and non-injurious manner, and positively causing an application of said coating materials to all exterior surfaces of said products during each tumbling operation.
A further object of the invention is to provide suitable adjustable means for increasing or decreasing the spiral of said inner drum for regulating the gravitational flow of articles through said machine, thereby varying the capacity of said machine without changing its speed of rotation.
Another object of the invention is the provision of suitable adjustable means for increasing or decreasing the radial planes of said flexible strips of said inner drum for causing positive tumbling of articles passing therethrough, thereby assuring the application of a complete and uniform coating over all exterior surfaces of said products.
A further object of the invention is to provide means for adjusting the size of the discharge opening, thereby increasing or decreas-v ing the amount of pitch or slope or said inner drum, which in turn regulates the gravitational flow of articles therethrough independently of the speed of rotation of the machine.
Various otherand further objects and advantages of the invention, which result in simplicity, economy and efliciency, will be apparent from the following detailed description, wherein a preferred form of embodiment of the invention is shown, reference being had for illustrative purposes to the accompanying drawings, forming a part hereof, in which:
Fig. 1 is a longitudinal sectional view of an apparatus constructed in accordance with the invention, with the supporting platform and inner drum being shown in elevation;
Fig. 2 is a cross-sectional view of the apparatus shown in Fig. 1, the same being taken along the line 2-2 thereof, looking in the direction of the arrows;
Fig. 3 is a perspective view of the outer frame structure of the inner drum;
Fig. 4 is a perspective view of the inner frame structure of the inner drum, showing the manner in which it is mounted within the outer frame member of the inner drum, and illustrating the manner in which the flexible strips thereof are to be mounted thereover; and
Fig. 5 is a cross-sectional view of the inner drum of the apparatus shown in Fig. 1, the same being taken along the line 5-5 thereof, looking in the direction of the arrows.
Referring now to the drawings, wherein like numbers indicate like parts, there is shown in Fig. 1 a welded box-like supporting structure I0 having four angle-iron uprights or legs l2 suitably connected at their tops and braced intermediate their ends by horizontal angle-iron cross-bars M. A pair of transversely extending T-shaped cross-bars I6 are welded adjacent each end of the top of the supporting structure l0. Supporting brackets I8 are welded on top of the T-shaped cross-bars l6 adjacent each of the ends thereof. Each bracket has suitably joumaled therein a stub shaft 20, upon which are mounted rollers 22. One of the rollers 22 has a sprocket wheel 24 fixedly mounted thereon, which is connected by a drive chain 26 to a conventional reduction gear box 28, which in turn is suitably connected to an electric motor mounted upon angle-iron supports 32 welded to the intermediate cross-bars H.
An imperi'orate cuter drum 36 of cylindrical shape, having a pair of spaced circumferentially extending angle-iron exterior trackways 38 with inwardly projecting radial flanges 40, is positioned freely on the rollers 22 in such a manner that each end pair of rollers 22 engages one of the trackways 38, as best shown in Figs. 1 and 2. The outer drum 36, which is rotatably positioned on the rollers 22 and driven frictionally thereby, is provided with an inlet opening 42 at one end and a discharge opening 44 at its opposite end. The inlet opening 42 is provided with a receiving hopper 46, having an inclined bottom 48 which acts as a feeding trough for discharging the articles delivered to the hopper 46 into the machine. The hopper 46 is suitably supported by a pair of spaced brackets 49 welded to the supporting structure I8. A pair of axially spaced annular rings 58 are mounted concentrically within'theouter drum 36. A plurality of spiral vanes 52 are mounted axially between the rings 58, and extend radially outwardly from the interior surface of the drum 36. These vanes 52 serve to distribute the coating material during rotation of the drum 36. Each of the rings 58 has a series of arcuately shaped slots 54, extending therethrough between th vanes 52. The slots 54 serve as means for mounting axially extending drag chains 56, which are suitably attached to the inward'ends of bolts 68, that project outwardly, and are fastened therein by nuts 68. The drag chains 56 assist in the distribution of the coating material, and serve to break up any lump formations that may occur therein.
An inner drum I8, which is preferably of conicalshape, is concentrically fitted at its opposite ends within the inlet opening 42 and th discharge opening 44 of the imperforate outer drum 36. The diameter of the inner drum I8 is of such dimensions as to leave a concentric interspace between the two drums, which interspace serves as a reservoir for the coating material. The inner drum I8 consists of an outer cylindrical supporting frame I4 and an inner cylindrical supporting fram I6. The outer cylindrical frame 14 is made up of spaced end rings I8 and 88 suitably connected by a series of circumferentially spaced axially extending rods 82 suitably welded thereto. The end rings 18 and 88 are of a size adapted to be fitted frictionally into the inlet and discharge openings of the outer drum 36. The inner cylindrical frame I6 consists of spaced end rings 84 and 86 of smaller diameter than the corresponding rings I8 and 88 f the outer cylindrical frame I4, and have projecting inwardly therefrom a series of axially extending rods 88. The rods 88 are slidably mounted on their respective end rings 84 and 86, as indicated at 89. The inward ends of the rods 88 projecting from the end rings 84 and,
86 are connected to ether by a turnbuckle 98, which permits limited adjustments axially for tensioning purposes to be hereinafter described. It will be noted that the inner frame I6 is substantially shorter than the corresponding outer frame I4. The end ring 84 of the inner frame 16 is fixedly secured concentrically within the end ring 18 of the outer frame 14 by a series of spacing lugs 92, and its opposite end ring 86 is freely positioned adjacent the end ring 88 of the outer frame I4 at the ends of the rods 88. The surface covering for the inner drum consists of a plurality of relatively narrow strips 94 of flexible material, which 'may be fabric, cloth, rubber, rubber and fabric, woven wire, etc. These strips 94 are securely fastened, as indibe a slight circumferential spacing of the strips 94 as they pass around that ring 88. A pair of axially spaced circumferentially extending bands 98 and I88 are alternately interwoven over and under adjacent strips 94 of the drum Ill. The band I88 is provided with a conventional belt buckle I82, as best shown in Fig. 5, which permits loosening or tightening of the same for adlusting the radial position'of certain of the.
strips for increasing or decreasing the siz of the discharge opening of the inner drum I8.
When the inner drum I8 is assembled, and is being fitted into position within the outer drum 36, a spiral can be given to said strips 94 by merely manually moving the ring 86 circumferentially with respect to the fixed ring 84 in either direction desired. In Fig. 1, the movement has been to the left or counterclockwise. After the inner drum I8 has been properly mounted within the outer drum 36, and the desired spiral has been given to the strips 94, the tension on said strips 94 may be adjusted by manually turning the turnbuckles 98. No difiiculty will be encountered in gaining access to the turnbuckles becaus of the flexible nature of the strips 94, and also because of their circumferential spacing. The buckle I82 in the band I88 may be adjusted in like manner. a
In operation'of the apparatus it will be apparent that through slow constant rotation of the outer drum 86, the coating material which has been placed between the vanes 52 in the interspace between the outer drum 36 and inner drum I8, will be continuously lifted and showered from above on the strips 94. passing therebetween due to the fact that they havebeen spaced circumferentially. In a short space of I time a considerable quantity of the coating macated at 96, around the ring member 84, as best terial will gather on the inside surface of the strips 94, which in turn forms a bed for the products being received from the hopper 46. The bed of coating material is showered down on the top side of said products as the drum revolves; The difference in the radial planes of the strips 94 causes the products to be positively and gently turned over and over, each time falling back in the bed of the coating material covering the strip, and each time being showered by the coating material carried vup by other strips. In this arrangement the products are gently turned over and over in their own coating material, and not permitted to fall against a hard screen surface, as in the case of conventional machines. Such a screen surface has many disadvantages in that it not only permits all excess coating material to pass therethrough, but also scrapes off some of the coating that has already been applied. With gravitational progression of the articles passing through the machine regulated by the amount of spiral on the strips 94, and the tumbling regulated by the differencein the radial planes of certain of the strips, it follows that we are able to effect a uniform and complete over-all coating of the articles in a rapid, continuous and sanitary manner, without injury to the articles and without waste of the coating material. Inthe latter case any excessive coating material deposited on the strips 94 will pass therebetween and back into the interspace between the drums where the vanes 52 and drag chains 56 operate to break up the lumps and redistribute the material over new articles entering the machine.
Although we have only described in detail one form of the invention, it will be readily apparent to those skilled in the art that the invention is not so limited, but that various modifications may be made therein without departin from the spirit thereof or from the scope of the appended claims.
What we claim is:
1. In a machine of the character described, comprising a rotatable outer drum having inlet and discharge openings at opposite ends, an inner drum formed of spaced strips of flexible material fitted at its opposite ends within said openings and mounted in spaced relation to said outer drum, and means for rotating said outer drum.
2. In a machine of the character described, comprising a rotatable outer drum having inlet and discharge openings at opposite ends, an inner drum formed of spaced strips of flexible material fitted at its opposite ends within said openings and mounted in spaced relat on to said outer drum, means for adjusting the tension on said strips, and means for rotating said outer drum.
3. In a machine of the character described, comprising a rotatable outer drum having inlet and discharge openings at opposite ends, an inner drum formed of spaced spiral strips of flexible material fitted at its opposite ends within said openings and mounted in spaced relation to said outer drum, means for adjusting the spiral of said strips, and means for rotating said outer drum.
4. In a machine of the character described, comprising a rotatable cylindrical outer drum having inlet and discharge openings at opposite ends, a conical inner drum formed of spaced strips of flexible material fitted at, its opposite ends within said openings and mounted in spaced relation to said outer drum, means for radially adjusting the position of said strips to increase or decrease the size of said discharge opening, and means for rotating said outer drum.
5. In a machine of the character described, comprising a rotatable cylindrical outer drum having inlet and discharge openings at opposite ends, a conical shaped inner drum formed of spaced strips of flexible material fitted at its opposite ends within said openings and mounted substantially concentrically in spaced relation to said outer drum, and means for rotating said outer drum.
6. In a machine of the character described, comprising a rotatable cylindrical outer drum having inlet and discharge openings at opposite ends, a conical shaped inner drum formed of spaced spiral strips of flexible material fitted at its opposite ends within said openings and mounted substantially concentrically in spaced relation to said outer drum, means for adjusting the spiral of said strips, and means for rotatinn said outer drum.
'7. In a machine of the character described, comprising a rotatable cylindrical outer drum having inlet and discharge openings at opposite ends, a conical shaped inner drum formed of spaced spiral strips of flexible material fitted at its opposite ends within said openings and mounted substantially concentrically in spaced relation to said outer drum, means for adjusting the tension on said spiral strips, and means for rotating said outer drum.
8. In a machine of the character described,
comprising a rotatable cylindrical outer drum of imperforate material having inlet and discharge openings at opposite ends, a conical inner drum fitted at its opposite ends within said openings formed of spaced strips of flexible material and mounted in interspaced relation to said outer drum, said strips being arranged in difierent radial planes to provide means for insuring tumbling of said articles to be treated during rotation of said drum, and means for rotating said outer drum.
9. In a machine of the character described, comprising a rotatable cylindrical outer drum of imperforate material having inlet and discharge openings at opposite ends. a conical shaped inner drum formed of spaced strips of flexible material fitted at its opposite ends with- I in said openings and mounted in interspaced relation to said outer drum, said strips being arranged in different radial planes to provide means for insuring tumbling or said articles to be treated during rotation 01' said drum, means for radially changing the plane of said strips,
and means for rotating said outer drum.
10. In a machine of the character described, comprising a rotatable cylindrical outer drum of imperforate material having inlet and discharge openings at opposite ends, a conical shaped inner drum formed of spaced spiral strips of fabric fitted at its opposite ends within said openings and mounted concentrically within said outer drum, said strips being alternately arranged in difierent radial planes to provide means for insuring tumbling of said articles to be treated during rotation of said drum, means for adjusting the spacing between said groups of alternate strips, and means for rotating said outer drum.
11. In a machine of the character described, comprising a rotatable cylindrical outer drum of imperforate material having inlet and discharge openings at opposite ends, a conical shaped inner drum formed of spaced spiral strips of fabric fitted at its opposite ends within said openings and mounted concentrically within said outer drum, said strips being alternately arranged in different radial planes to provide means for insuring tumbling of said articles to be treated during rotation of said drum, means for adjusting the spacing getween said groups of alternate strips, means for adjusting the tension of said strips, and means for rotating said outer drum.
12. In a machine of the character described, comprising a rotatable cylindrical outer drum having inlet and discharge openings at opposite ends, a conical inner drum formed of spaced strips of flexible material fitted at its opposite ends within said openings and mounted concentrically within said outer drum in spaced relation thereto, said strips being alternately arranged in difierent radial planes to provide means for insuring tumbling of said articles to be treated during rotation of said drum, means for adjusting the radial spacing between said alternate strips, means for adjusting the tension on said strips, and means for rotating said outer drum.
13. In a machine of the character described, comprising a rotatable cylindrical outer drum having inlet and discharge openings at opposite ends, a conically shaped inner drum formed of spaced strips extending longitudinally and spirally from the inlet opening to the discharge opening, said inner drum being spaced concentrically from said outer drum and having its larger end positioned adjacent the discharge opening, and means for rotating said outer drum,
14. In a machine of the character described, comprising a rotatable cylindrical outer drum having inlet and discharge openings at opposite ends, a conical shaped inner drum formed oi! spiral strips of flexible material mounted at opposite ends within said openings, means for adjusting the spiral of said strips, means for adjusting the tension of said strips, and means for rotating said outer drum.
15. In a machine of the character described, comprising a rotatable cylindrical'outer drum having inlet and discharge openings at opposite ends, a conical shaped inner drum formed of spiral strips of flexible material mounted at opposite ends within said openings, means for adjusting the tension of said strips, means for adjusting the spiral of said strips, means for adjusting the radial plane of certain of said strips, means within the space between said drums for elevating coating material contained therein, and meansfor rotating said outer drum 16. In a machine of the character described, comprising a rotatable cylindrical outer drum having inlet and discharge openings at opposite ends, a conical shaped inner drum formed of spiral strips of, flexible material mounted at opposite ends within said openings, means for adjusting the tension or said strips, means for adjusting the spiral of said strips, means for adjusting the radial plane of the alternate strips, axial means extending within the space between said drums for elevating sugar contained therein, means extending axially of said space between said drums for agitating and distributing the coating material when the drum is rotated, and means for rotating the outer ,drum.
JOSEPH G. RUBENS. ROBERT LASTER.
US416844A 1941-10-28 1941-10-28 Apparatus for sugar-coating articles Expired - Lifetime US2336298A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2787978A (en) * 1954-01-28 1957-04-09 Faerber Hans Arthur Machine for coating with sugar jubes, jellies and like confections
US2983349A (en) * 1957-10-17 1961-05-09 Gen Electric Magnetic clutch
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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2787978A (en) * 1954-01-28 1957-04-09 Faerber Hans Arthur Machine for coating with sugar jubes, jellies and like confections
US2983349A (en) * 1957-10-17 1961-05-09 Gen Electric Magnetic clutch
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
US8662007B2 (en) * 2003-08-01 2014-03-04 Driam Anlagenbau Gmbh Method and device for the continuous coating of cores by means of a dragee making apparatus

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