US288987A - Apparatus - Google Patents

Description

(No Model.)

W. DUNLAP & J. KETOHUM, Jr.

.HAT DRYING APPARATUS.

N0. 288,987, Patented Nov. 27, 1883.

Ill-mil INVENTORS WilliamE.Dmlap,

Joseph Esteban,

By their flltorney; Jr.

n, PETERS, Pamumc w. wmin vm n. c

UNITED STATES PATENT Fries.

WlLLlAMI H. DUNLAP AND JOSEPH KETOHUM, JR, OF BROOKLYN, N. Y.

HAT DRYlNQ APPARATUS.

SPEGIFIGATION forming part of Letters Patent No. 288,987, dated November 27, 1883.

A I Application filed April 14, 1888. (No model.)

To oiZZ 1072,0122, it may concern.-

Be it known that we, YVILLIAM H. DUNLAP and Josnrrr KEroHUM, Jr., citizens of the United States, and residents of Brooklyn ,inthe county of Kings and State of New York, have jointly invented certain new and useful lmprovenientsin Hat-Drying Apparatus, of which the following is a specification.

Our invention relates to certain improvements in the construction and organization of L apparatus employed for removing the solvent a more or less perfect vacuum maybe created in the cylinders. The current of atmosphere and vaporized moisture, as it is withdrawn from the cylinders, is caused to pass through a suitable condensing device, by means of which the solvent is recovered and collected in a liquid form ina suit-able reservoir.

In the accompanying drawings, which illustrate our invention, Figure 1 is aview showing the general organization of apparatus, and Fig. 2 represents certain details in the construction of the apparatus.

Referring to thedrawings, A A A represent a series of any desired number of suitable cylindrical cans, preferably of stout material capable of withstanding high pressure, in which the hats are to be placed. The cans are provided with suitable flanged covers, a a a, which are preferably convex, for the purpose of better withstanding the pressure. The bottoms of the cans are likewise convex or globeshape, and provided with suitable outlet-pipes, b b b. The pipes I) connect, through suitable stops, 0 6- c, with a main pipe or exhaust-tube, 0. Suitable checlrvalvesmz m m, are inserted in the pipes I), for preventing the air from a can when first applied to the exhausting apparatus from rushing into an exhausted can. These check-valves are preferably constructed as shown in Fig. 2. A plug, a, is provided with a longitudinal perforation, n, which terminates in the valve-seat of. This seat is formed at an angle of about forty-five degrees with the aXisof the pipe, in order to insure the closing of the valve-lid a through the action of gravity and the resilience of the lid. The said lid n is preferably constructed of rubber or similar material, and is attached to the face or seat a in any suitable manner.

The tube 0 connects with a coiled tube D, constituting a condenser of well-known construction. The tube D is surrounded by a water tank or cylinder, E, through which a constant stream of cold water is caused to pass by means of the inlet and exit pipes 6 o The lower extremity of the coil D communicates with an air-tight reservoir, F, in which is collected the condensation of the vapor passing through the tube D. From the upper portion of the tank F a. pipe, G, leads to a suit-' able air or vacuum pump, K, of any construc tion, adapted to exhaust the air from the tube G, and thus from the pipe G, and any or all of the tanks A communicating therewith.

Suitable supports, H,-are employed for supporting the hats in the vacuum-cans A. The supports H each consists of abuse-plate or ring, 2 carrying aseries of uprights, h h". Thehats are designed to be placed upon the support in the manner shown in section in Fig. 1, one hat being placedwithin the standards 71-. A tire or ring, is placed over and incloses the crown and brim of the hat. A second hat is then placed with its brim resting upon the top of the tire j, and in like manner a tier of any number of hats may be placed in the support H, witlia space intervening between each hat. For the purpose of collecting any moisture which may gather at the bottoms of the cans A, the tubes bpreferably lead from the lowest points in the same. These tubes, and likewise the exhaust-pipe C, are preferably inclined sufficiently to furnish the required descent for any fluid which may collect therein, causing it to pass through the vertical condenser D, and thus to reach the reservoir F.

For the purpose of accelerating the removal of the solvent from the'hats,*the cylinders are heated by means "of suitable steanrpipes, L L L surrounding their respective bases. The pipes L communicate with any suitable steamsupply, and the temperature of the cylinder may be regulated by means of the valves Z.

The temperature of the cylinder is preferably.

maintained at from 90 to 115 Fahrenheit; or the vacuum-cans may be placed in a drying or other suitable room, where the required temperature may be maintained.

Air-valves 0 may be applied to the cylinders A or to the covers a, for the purpose of permitting the entrance of air when it is desired to remove the covers after the hats have been dried.

In employing the apparatus which we have described, the hats are first saturated with the solution of stiffening material, according to any of the usual processes, and then placed in tiers in the frames H. then placed within the cylinder A, and the covers a placed over the same. The stop-cock or valve by means of which the particular vacuum-cylinder employed is connected withthe exhaustpipe Gis then opened, and a high vacuum will be gradually obtained by means of the pump K. The rapidity with which the vacuum is created may be varied as desired.

It is found in practice that the best results are obtained by allowing the hats to remain from one to three hours after a high vacuum is obtained.

WVe claim as our invention 1. Thecombination, substantially as hereinbefore set forth, ofa vacuum-cylinder, means of supporting a series of hats therein, and an air-pump connected .therewith.

2. The combination of one or more vacuumcylinders, a series of hats supported therein, means for exhausting the air and moisture therefrom, and a condenser through which These frames are the exhaust'from said cylinder is caused to pass.

3. The combination, substantially as hereinbefore set forth, of one or more vacuum-cylinders, means for supporting a series of hats therein, an exhaust-pipe, means for connecting any or all of said vacuum-chambers with said exhaust-pipe, a condenser with which said exhaust-pipe communicates, a reservoir for receiving the condensation from said .condenser, and the means for exhausting the air from said exhaust-pipe through said condenser and reservoir.

4. The combination, substantially as here 5 5 inbefore set forth, ofavacuum-chamber, means for supporting a series of hats therein, a tube leading from the lower extremity of said chamber, an exhaust-tube, a condenser with which said exhaust-tubeis connected, a reservoir for receiving the condensation from said condens er, and means, substantially such as described, for heating said cylinders.

5. The combination, substantially as hereinbefore set forth, of a series of vacuum-cham- 6 bers, means for supporting a series of hats therein, a tube leading from the lower extremity of each of said chambers, a check-valve included in each of said tubes, an exhaustpipe with which all of said tubes communicate, and means, substantially such as described, for withdrawing the air from said exhaustpipe.

In testimony whereof wehave hereunto subscribed our names this 12th day of April, A. D. 1883.

WILLIAM H. DUNLAP. JOSEPH KETOHUM, JR.

Vitnesses:

CARRIE E; DAVIDSON, CHARLES A. TERRY.

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