US1879753A - Shoe sole press - Google Patents

Description

Sept. 27, 1932 W EY 1,879,753

SHOE SOLE PRESS Filed April 7, 1930 3 Sheets-Sheet 1 F IGJ.

Sept. 27, 1932.

J. KEWLEY 1,879,753

SHOE SOLE PRES S Filed April 7, 1930 3 Sheets-Sheet 2 Sept. 27, 1932. KEWLEY 1,879,753

SHOE SOLE PRESS File d April 7, 1930 3 Sheets-Sheet 3 FIG-12.

INVE TR. l

Patented Sept. 27, 1932 PATENT OFFICE LAKES mm, 01' NELSON, ENGLAND SHOE SOLE PRESS Application fled April 7, 1880, Serial No. 442,812, and in Great Britain April 17, 1929.

This invention relates to a press for bringing an india rubber, composition, leather, or other sole or part of a sole into intimate contact with the inner sole or under part of a boot or shoe after the sole and such part or either of them have been treated with a suitable adhesive, and for maintaining pressure upon such parts until the cement or adhesive has set, and to that type of press which includes a screw or other pressure applying device and a bed comprising a sole support of a resilient character, the sole support and the pressure applying device being capable of relative adjustment to enable the sole to occupy a position more or less underneath the pressure applying device, the chief object of the present invention is to introduce an improved constructi u and arrangement of ap aratus ofthis type which will enable a comp ete sole, or part sole to be applied without the use of any additional attachments and will also enable one used for difierent sizes of ts or shoes.

According to this invention thepress com-.

prises a press portion and a bed, the latter being made sufliciently large to support a boot or shoe throughout its entire length and means are provided for enabling the press parts to occupy such relative ositions that so the press is applicable for securm a through or complete sole to a bootor s oe, or for securing a half or part sole to a boot or shoe without the use of any additional attachments, and in order to enable one pair of lasts to be applicable for a complete range of sizes in a boot or shoe a number of interchangeable sheet metal soles which are suitably shaped and pressed are provided to suit all sizes of boots or shoes that could be used in connection as with that pair of lasts.

In carrying out the invention the press may be provided with a pneumatic bed adapted to be inflated to any required extent, and in order to render the press applicable for c5 through soling, or half solingmeans are air of lasts to be use in comblnatlon wlth a specially conprovided for enabling relative adjustment to be efiected in a backward and forward direction between the bed and operating screw of the press so that the boot or shoe can be caused to occupy a position completely over the top of the bed for through soling and part way across the top of the bed for half soling.

In the accompanying drawings Fig. 1 is a rear view of a press constructed in accordance with this invention.

Fig. 2 is a front view of one of the pneu matic beds detached from the press.

Fig4 3 is a section taken on line 3-3 of Fig.

ig. 4 is a side elevation of the press.

Figs. 5 and 6 are similar views of the lower portion of the press showing the parts in position for half soling, and full soling respectively.

Fig. 7 is a detached view of a. rubber air bag drawn to a smaller scale.

Fig. 8 is an elevation of a presser bar for structed last.

Fig. 9 is an elevation and Fig. 10 a plan of the specially constructed last.

Fig. 11 is a plan, and

Fig. 12 an elevation of an interchangeable sheet metal sole.

In the example shown the press comprises two channel shaped frames A which may be in the form of metal castings fitted with detachable front and back plates a al The back plates are-made higher than the front ones and hollowed out at a Fig. 1. Mounted in 30 each or the channel shaped frames is a rubber bag B fitted with a valve 6 which may be similar to a pneumatic tyre valve and projects through an opening in the front plate a to which it is secured. The rubber bag B may 5 be maintained in position in the channel shaped frame by means of a leather or other inextensible cover 6 which is clamped in position between the frame A and metal strips 6 attached to such side frames by screws 6 or to other fastening devices. A rubber or other lining b Fig. 3 may be interposed between the bag B and the frame A before the bag is placed in position. The top of the leather cover I) is advantageously covered with a .rubber strip or apron b which is clamped between the frame A and a rear plate a and at its froht end maintained in position by the valve b. This rubber apron prevents the work from slipping when under pressure and when working with cellulose cement prevents injury to the leather cover in the event of the cellulose cement being pressed out from between the soles when the last is under pressure, the cellulose cement, moreover, does not stick to the rubber apron. The side frames of the channel shaped frames A incline upwardly towards the rear end of the channel so that the rubber bag is higher at that point and can follow the curvature of a high waisted shoe. In the underside of the side frames are slots a any one of which can be used for the reception of a cross bar C which extends across the underside of the two channel shaped frames, and is connected to an upper cross bar C by three bolts or rods 0. Passing through internally tapped holes in the upper cross bar C are two screws 0 A right and a left hand last are used in connection with each frame, and each such last is formed at the top with a T shaped recess or aperture d to engage a correspondingly shaped T head (i of a screw (1 which carries a bar (i that is detachably secured to the bolt (1 by a wing nut 03* or other fastening device, the forward portion of the bar d inclines upwardly as shown in Fig. 8 and such portion is formed along the top with a num ber of countersinks or depressions d, any one of which can be caused to engage the end of the operating screw 0 If it is required to fully sole a pair of boots or shoes the pneumatic bed is lifted and moved backwards until its intermediate or forward slot engages the bottom cross bar C. In Fig. 6 the cross bar is shown engaging the intermediate slot. Alternatively, the pneumatic bed may be allowed to occupy its forward position and the last may be turned to bring the heel portion to the front of the pneumatic bed. To half sole a pair of boots or shoes the pneumatic bed is lifted and moved to its forward position as shown in Fig. 5 so that the heel portion of the boot or shoe pro'ects beyond the rear end of the pneumatic ed, the cut away portion of the rear plate and the raised portion of the pneumatic bed causing the, latter to bring the rear end of the half sole into intimate contact with the waist of the boot or shoe when the pressure is applied bythe operating screw. The interchangeable soles E, Figs. 11 and 12 are constructed of spring sheet steel or other suitable metal' which are moulded and cut to therequired shapes and sizes, and possess suflicient'rigid-' of the sheet metal soles of the require size isfirst inserted in the boots or shoes, the lasts are then placed in position in the latter and pressure applied by the operating screws. I desired the front and rear portions of the channel shaped frames may be cast in a piece with the latter, and intervening layersof rubber or other material may be interposed between the rubber bag and the leather or other cover to re-inforce or strengthen the rubber bag and prevent it from getting unduly stretched by excessive inflation or pressure.

It has been proposed to employ means for enabling an ordinary metal last to be used in the sole layin process, comprising a device which, solely by engagement with the usual socket in the heel or adjacent part of the last, transmits the pressure exerted by the press screw, to the last for the purpose of pressing the work upon the support, but in my invention I employ a specially constructed last with a specially constructed socket.

What I claim as my invention anddesire to secure by Letters Patent in the United, States is 1. A press for attaching soles or part soles to boots and shoes comprisin two channel shaped frames containing inflatable rubber bags maintained in position by leather or other inextensible covers, the said frames being formed in their undersides with a series of slots for the, reception of a cross bar carrying the press screws substantially as described for the purpose specified.

2. press for attaching soles or part soles to boots and shoes comprising two channel shaped frames containing inflatable rubber bags maintained in position by leather or other inextensible covers, air admission valves for the inflation of the bags, a rubber strip or apron permanently attached to extend over each inextensible cover and having its free end detachablysecured in position by the valve, the said frames being formed in their undersides with a series of slots for the reception of a cross bar carryin standards, a cross bar connecting the tops 0 the standard, and press screwslthreadedly passing through said latter cross bar. I I 3. A press for attaching soles or part soles to boots and shoes comprising two channel shaped frames containing inflatable rubber bags maintained in position by leather or other inextensible covers, the said frames being formed in their undersides with a series of slots for the reception of a cross bar bar, each press being provided with a special- 1y constructed metal last formed at the top of the heel portionwith a T-shaped recess, a presser bar having its forward portion inclined upwardly and its rearward portion formed with aghole for the passage of a screw which has a Tsgshaped head adapted to enter a T-shaped recess in the last and secured to the presser bar by a hand operated nut.

In testimony whereof I hereunto aifix my signature.

JAMES KEWLEY.

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