US716646A - Machine for drying tobacco filler. - Google Patents

Description

No. 716,646.l Y Patented nec. 23,- :902. H; REBER.

n I MACHINE FDR DBYING TOBAGO() FlLLEl-ly (Applicatiun med sept. s, 1902.)

2 sheets-sheet L (lo Model.)

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MACHINE FOR DRYING TDBACC FILLER;I

QAppliction led. Sepia. 6, 1.902.)

2 Sheets-.Sheet 2.

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HENRY REBER, OF NEW YORK, N. Y.

MACHINE FORDRYING TOBACCO FILLER.

SPECIFICATION forming part of Letters Patent No. 716,646, dated December 23, 1902.

Application iiled September 6, 1902. Serial No. 122,349. (No model:

Improvements in Machines for Drying Tobacco Filler, of which the following is a specification.

This invention relates to an improved machine for drying tobacco-leaves which have been moistened, so Vas to more easily cut and handle them, which leaves are then used as a filler in cigars, cigarettes, and the like. This tobacco filler is obtained by cutting moistened i leaves after the ribs have been removed. The cut leaves are in a moist condition and require careful drying and cooling in such a manner that the essential oils are retained in the same.

My invention is designed for drying tobacco filler; and forthis purpose the invention consists, primarily,of a cylinder provided with rotating agitators, meansfor lsupplying the filler into one end of the cylinder, a central cylindrical heater in the drying-cylinder, means for supplying steam to the same, and means for supplying heated air to the iller in the cylinder.

The invention consists of a rotatable drying-cylinder, agitatorsv provided on the interior surface of said cylinder, a steam heating-cylinder in said drying-cylinder rotatable therewith, means for supplying steam to said heating cylinder, and air heating device, means connected with same to supply heated air to said drying-cylinder, a rotatably-mounted cooling-cylinder, a conducting-trunk connecting said drying and cooling cylinders, inwardly-extending paddles on the interior surface of said cooling-cylinder arranged longitudinally of the same, and a screen provided at the delivery end of said cooling-cylinder beyond the ends of the paddles, as will be more fully described hereinafter and finally pointed out in the claim.

In the accompanying drawings, Figure l represents a side elevation of my improved machine for drying tobacco filler. Fig. 2 is a plan view of the drying apparatus proper. Fig. 3 is a vertical transverse section of the drying-cylinder on line 3 3, Fig. l; and Fig. et is a vertical transverse section of the cooling-cylinder.

Similar letters of reference indicate correspending parts.

My improved apparatus for drying tobacco filler is composed of two main parts-first,

`the drying-cylinder, with its accessories, and,

secondly, the cooling-cylinder, with its accessories, the latter being preferably arranged in the, door below the drying-cylinder and connected with the `same by a vertical conducting-trunk that'passes through the door 'from the drying-cylinder to the cooling-cylinder, as shown in Fig. l.

The filler-drying apparatus consists of a cylinder A, which is closed at the outgoing end, but provided with a sliding door o, and open at the ingoing end a. for supplying the filler to the drying-cylinder A. This cylinder is supported in suitable manner and inclosed by a jacket made of a suitable nonconductor of heat. At the interior of the drying-cylinder A is arranged a rotary steamcylinder BV of smaller diameter than the drying-cylinder, said steam-cylinder being supported in suitable bearings and operated by a sprocket Wheel and chain transmission from the driving-shaft S. The drying-cylinder A is preferable supported at a slight angle of inclination to the horizontal plane, so that'the iiller that is fed in at the ingoing end passes slowly through the same, it being agitated in its passage' to the interior ofthe cylinder by means of agitators b, that are supported on radial arms extending from a hub attached to the steam cylinder B, as shown clearlyin Figs. l and 3. Asteam-supply pipe d, provided with a stop-cock d', is connected with the ingoing end of the steamcylinder, while the outgoing end of the same is connected by a pipe d2, provided with a stop-cock d3, with a coil C, that is located in a suitable casing G, arranged sidewise of the drying-cylinder A, the lower end of the coil being provided with a pipe Z for permitting the drawing o of the water of condensation. Air of ordinary temperature is supplied through a valved pipe m at thelower part of the casing C', surrounding the coil C, said air ICO passing through the open coil, which is heated up by the steam conducted to the casing from the steam heating-cylinder B, said hot air being drawn into the casing C by a suitable suction-fan, blower, or pump V, the casing of which is connected by a pipe D with the top part of the casing C and the center of the blower-casing, while the outgoing end of the blower is connected by a pipe D with the ingoing end of the drying cylinder A, as shown clearly in Fig. l. The air which is heated up by the steam-coil in the casing C' is thus drawn by the suction-fan or blower V into the drying-cylinder A and dries during its passage through the same all the parts of the ller thoroughly and effectively, owing to the motion imparted to the same by the rotary agitators of the steam-cylinder in the drying-cylinder. When the tobacco filler arrives at the lower outgoing end of the drying-cylinder A, it is conducted by a vertical trunk E, which extends through the floor between the drying and cooling cylinders to the floor next below and delivers the filler into the upper end of an inclined cooling-cylinder F. The cooling-cylinder F is provided with a central shaft S', connected thereto by radial arms e, said shaft being supported in journal-bearings at the ends of the same. Rotary motion is imparted to the shaft and cylinder by a suitable belt-and-pulley transmission. At the interior of the cooling-cylinder F are arranged radial inwardly-extending paddles n, by which the filler is taken up and agitated while the cooling-cylinder is rotated. A second fan or blower V is connected by a pipef with the ingoing end of the cooling-cylinder, so that air of ordinary temperature is forced through the filler while the same is agitated by the rotation of the cylinder, the air forced in by the fan or blower V serving to cool the filler during its passage through the cooling-cylinder.

The greater portion of the cooling-cylinder F is made of sheet metal, while the lower outgoing end is preferably made of wire-gauze or similar material. The perforated portion E is located above the receiver R, which is provided with a partition fr, said partition being located vertically below the outgoing perforated portion of the cylinder, so that the smaller particles which pass through the,

meshes of the perforated screen-shaped portion are dropped into the receiver R at the right-hand side of the partition rr', while the larger portions of the filler are carried beyond the partition and dropped into the lefthand side of the receiver R and are thereby eectively separated from the smaller pulverulent portions, which are utilized for snuff. 6o

The moist tobacco filler, which is delivered at the ingoing end a of the drying-cylinder A, is subjected to the heating action of the central steam-cylinder and the drying action of the heated air supplied by the fan or blower V to the interior of the cylinder B. It is then conducted slowly through the drying-cylinder A to the lower outgoing end of the same and then conducted through the vertical trunk E to the cooling-cylinder1 F, located on the floor below. While the heated and dried filler passes through the inclined cooling-cylinder it is subjected to the action of cold air, so as to be gradually cooled to the temperature of the surrounding atmosphere and delivered to the receiver, the finer particles being separated bythe screen-shaped end of the cooling-cylinder from the larger pieces of the filler and utilized for snuwhile the larger pieces are used as fillers for cigars, all-tobacco cigarettes, and the like, in the manner well known to cigar manufacturers.

By my improved apparatus the filler is dried quickly and eectively without impairing the quality and davor of the same and is quickly available for being worked up into cigars or cigarettes, so as to dispense thereby with the slow and time-consuming filler-drying process heretofore in use.

Having thus described my invention, I claim as new and desire to secure by Letters Patent- In a machine for drying tobacco filler, the combination, of a rotatable drying-cylinder, agitatorsprovided on the interior surface of said cylinder, a steam heating-cylinder in said drying cylinder rotatable therewith, means for supplying steam to said heatingcylinder, an air-heating device, means connected with same to supply heated air to said drying-cylinder, a rotatably-mounted cooling-cylinder,a conducting-trunk connect- `ing said drying and cooling cylinders, inwardly-extending paddles on the interior surface of said cooling-cylinder arranged longitudinally of the same, and a screen provided at the delivery end of said cooling-cylinder, beyond the ends of the paddles, substantially as set forth.

In testimony that I claim the foregoing as my invention I have signed my name in presence of two subscribing witnesses.

HENRY REBER.

Witnesses:

C. P. GOEPEL, HENRY J. SUHRBIER.

IOO

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