US1980226A - Latex flowing machine - Google Patents

Description

Nov. 13, 1934. H. R. POLLEYS LATEX FLOWING MACHINE 2 Sheets-Sheet 1 Filed Sept. 16, 1929 INVENTOR.

HERBERT R. PO LEYS WM (477 0 EYS.

NOV. 13, 1934. H, R, POLLEYS 1,980,226

LATEX FLOWING MACHINE Filed Sept. 16 1929 2 Sheets-Sheet .2

INVENTOR. HERBERT R. PO 5 ATTORN Y5.

latented Nov. 13, 1934 urrso STATES LATEX FLOWING MACHINE Herbert R. Polleys, New Haven, Conn., assignor to National India Rubber Company, Bristol, R. I., a corporation of Rhode Island Application September 16, 1929, Serial No. 393,063

8 Claims.

This invention relates to a machine for applying liquids such as latex or cement to articles such as footwear.

Heretofore machines for applying liquids such as cement or aqueous dispersions of rubber to various articles, especially to footwear, have been devised in which the mechanism for applying the cement consists of movable elements. These machines are relatively complicated and therefore liable to get out of operation and are more costly than necessary.

It is the object of this invention to provide a novel liquid applying machine in which the moving parts are reduced to a minimum. It is also the object of this invention to provide a liquid applying machine especially adapted to applying foxings such as aqueous dispersions of rubber to Fig. 1 is a perspective view of the machine of;

this invention;

Fig. 2 is a perspective detail view of the essential parts of this machine;

Fig. 3 is a detail perspective view of the spout;

Fig. 4 is a detail view in cross section showing the machine in operation;

Fig. 5 is a detail view in cross section of the adjustable support.

In the manufacture of rubber fabric footwear a strip of rubber is disposed along the lower side margin of the upper which serves as an aid in uniting the upper and the sole of the shoe, and also provides a waterproof protection for that portion of the upper. It has been usual to form such a foxing strip by calendering. Such a calendered strip is united to the fabric by cement applied on to the fabric at the lower side margin of the upper. The application of such cement to the fabric is most readily done by a machine and the machine of this invention may be so used.

It has also been proposed to form a foxing by applying a thick layer of a water dispersion of rubber such as latex along the lower side margin of the upper which when the solids are deposited therefrom, forms a foxing in situ. The machine of this invention may be employed to form such a foxing.

50 In order to apply the liquid, whether a cement or a latex, to the fabric, a suitable flowing means such as the spout 1 is employed. The form of spout shown clearly in Figs. 3 and 4 has been found highly satisfactory, although the spout may 55 be made in other structural forms to suit the convenience of the user. The spout 1 is rigidly mounted upon the frame of the machine in any suitable way as by bolts as shown in Fig. 3. In order to definitely limit the area to which the liquid is applied, it is necessary to provide a means which marks off the area of application, and such a means preferably takes the form of the plate 2 which is secured in any suitable manner to the spout 1 such as by screws as shown in Fig. 2. The plate 2 has a margin 3 which extendsbeyond the outlet of the spout 1. In the operation of the machine the surface of the article A to which the liquid is to be applied is brought into contact with the edge of the margin 3 as shown in Fig. 4 and the plate 2 serves to mark off or delineate the area to which the liquid is applied so that a clean cut band of liquid is applied so as to produce the desired appearance in the finished article.

The areas to which the liquids are applied are determined in the case of an article of footwear by the distance between the bottom of the sole and the point of contact between the plate 2 and the upper. In order to uniformly maintain this distance a support 4 is provided over which the article of footwear may be moved during the application of the liquid thereto. This support preferably takes the form of the table plate 4 rigidly fixed upon bracket 5 slidable in way 6 of the bracket '1 secured to the frame of the machine. A rack is provided upon the bracket 5 and a pinion 8 cooperates therewith to adjust the position of the table 4 with respect to plate 2 in spout 1 so that the distance between the table 4 and the edge of the plate 2 may be varied thereby accommodating the machine to various sizes and types of shoe. Pinion 8 is carried upon a shaft operated by any suitable sort of hand wheel and may be secured by any suitable locking device such as a screw clamp (not shown).

In order to control both the amount of liquid 9 to be applied to the article and also the rate and time of flow of the liquid as it is being applied, a suitable meansis disposed preferably at the outlet of the spout which means may take the form of the sliding valve 9. The valve member 9 may take any suitable form as required by the structure of the spout 1, and according to the uses to which the invention is to be put. In the particular form herein disclosed, the valve member 9 is provided with a flat surfaced end 10 which is adapted to slide over the end of the opening in the spout 1 to close the same, the front, edge of the end 10 coming into contact with the lower face of the plate 2 so asto make a tight seal. The valve member 9 is preferably disposed at the .outlet of the spout 1 so that a better control of the flow and the quantity of cement may be had. It also controls the liquid supply directly at the point of application which means-no delays or wastage from the machine. The valve member 9 is mountedfor reciprocation in the frame member 11 and is provided with a rack 12 engaged by pinion 13 rigidly fixed upon shaft 14 suitably mounted for rotation in standards 15 carried by the frame of the machine. The shaft 14 rigidly carries the lever 16 which is connected at one end with the rod 1'7'leading to the foot pedal 18.

l A spring 19 fixed to the other end of the lever 16 liquid flows on to the side wall of the upper of the article A, the excess runs down over the face of the table 4 thereby effecting the application of the liquid to the botom or sole of the article, which action, especially in the case of footwear, is desirable inasmuch as a sole is to be united to the bottom of the article.

The liquid is supplied to the spout from any suitable reservoir 20 supported in any suitable manner upon the frame of the machine such as by standards 21 and connected to the spout 1 by any suitable pipe connections 22 which may or may not be connected to valve 23 as desired. The table 4 may be provided with a suitable drain 24 if desired, and it also is convenient to provide a collecting vat 25 for the excess liquid.

The table 4 may be provided with a brush 26 arranged thereon so that when the article of footwear is drawn across the surface of the table 4 at the end of the liquid applying operation, the bottom or sole portion of the article may be wiped across the brush 26 to remove the excess cement and to properly distribute same thereover.

While one embodiment of the invention has been disclosed herein as an illustration thereof, it is not so intended to-limit the invention inasmuch as many variations in the structure of the parts and the arrangement thereof may be made without departing from the spirit of the invention, the scope of which is indicated in the following claims.

Having thus described my invention what I claim and desire to protect by Letters Patent is:

1. A liquid applying machine having means provided with an outlet for directly flowing liquid onto an article, adjustable means for supporting the article in a fixed plane in operative relation with the flowing means, means cooperating with said supporting means for adjustably determining the margin of the area to which the liquid is supplied, and means cooperating with said determining means for controlling the size of said outlet.

2. A liquid applying machine having means for flowing liquid in a band on to an article, means for supporting the article in operative relation with the flowing means, and means disposed at the outlet of the flowing means for controlling the rate of flow of the liquid, said supporting means being adjustable toward and from said flowing means so as to vary the area of the article to which liquid is applied by said flowing means.

3. Adevice for flowing liquid in a band on to an article, said device having a downwardly inclined liquid discharge nozzle, a projecting member adapted to contact with the article and to determine the upper margin of the area to which the band of liquid is applied, means adjustably cooperating with one side of said projecting member for controlling the rate of flow of the liquid directly at the outlet of the nozzle, and an inclined stationary support over which the article may be bodily moved in the same plane while margin of the area to which the liquid is applied by said outlet.

5. A- device for flowing liquid on to an article, said device having an outlet, one wall of which is formed by a projecting member adapted to contact with the article and to determine the margin of the area to which the liquid is applied, means disposed at the outlet of the device for controlling the rate of fiow of the liquid, and a stationary support over which the article may be moved in operative relation with respect to the device, said support being adjustable toward or from said projecting member so as to vary the area of the article to which liquid is applied by said outlet. 1

6. A liquid applying machine having a source of supply of liquid, a downwardly inclined spout connected with the source of supply, said spout being provided with a plate which projects from the outletextremity thereof, a valve disposed at the outlet of the spout for controlling the rate of flow of the liquid, a support arranged adjacent the outlet of the spout and below the projection of said plate adapted to so position an article moved there over relative to the spout that the liquid will 'flow upon the appropriate area of the article with the projecting plate demarking the area, and manually controlled means for oper ating the valve.

7. A liquid applying machine having a source of supply of liquid, a downwardly inclined spout connected with the source of supply, said spout being provided with a plate which projects from the outlet extremity thereof, a valve disposed at the outlet of the spout, a downwardly inclined stationary support arranged .below the projection of said plate and below the outlet of the spout and. adapted to so position an article moved thereover relative to the spout that the liquid will flow upon the appropriate area with the projecting plate demarking the area, and manually controlled means for operating the valve to control the rate of flow of the liquid, said support being adjustable -to vary the area to which the liquid is applied.

8. A machine for coating the foxing area of a rubber and fabric footwear article, comprisinga liquid receptacle, a downwardly inclined discharge spout therefor, the upper wall of which has a footwear upper contacting projection ex-- tending downwardly beyond said spout, a valve cooperating with said projection for controlling the outflow directly at the end of said spout, a downwardly inclined stationary plate for supporting a shoe bottom disposed below and spaced from said projection, whereby the projection and plate cooperate to define the area of the footwear upper to be coated, and means for varying the spacing of said projection and plate.

HERBERT R. POLLEYS.

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