US732562A - Tanning apparatus. - Google Patents

Description

Np. 732,562. PATENTED JUNE 30, 1903. 1

c. P; KBRANs. TANNING APPARATUS.-

APPLIOATIOH FILED JUNE 6, 1901.

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TANNING APPARATUS.

SPECIFICATION forming part of Letters Patent No. 732,562, dated June30, 1903. Application filed June 6, 1901. Serial No. 63,343. l lo model.)

This invention has for its object the production of novel means for suspending and moving hides, sides, and skins while in a vat in the presence of liquor-used in liming, washing, drenching, and coloring the hides or skins.

Ordinarily in liming and kindred steps in the method of tanning it is customary to deposit the hides, sides, or skins in the liquor in vat one against the other, and the hides or skins are handled or turned or disturbed from time to time to insure more uniform action or treatment of the hides or skins. I have ascertained by practice to insure the uniform action on the hide or skin of the liquorin which it is immersed, of whatever form, that the hides or skins should be so suspended in the liquor that they will not touch and thereby prevent the full action of the liquor on the hides or skins, also that the liquor may be kept in a state of agitation, that it may work most evenly and effectually by simply moving the hides or skins in the liquor, and that to prevent the rubbing of the sides'of the hides or skins when being moved in the liquor they mustbe moved edgewise and not widthwise in the liquor. To effect these desirable steps, I have provided a frame on which the hides or skins are suspended and have provided means whereby this frame may be rocked in the vat containing the liquor to be used, said vat and frame having one, suitable boxes, and the other suitable journals, whereby the lower end of the frame set in the vat may be retained in position therein detachably, and by reciprocating the upper end of the frame it may be rocked in the vat and carry the hides edgewise back and forth through the liquor, the hides at the same time being raised and lowered in the liquor. The frame is free to be lifted from the liquor at any desired time.

Figure l is-a longitudinal section of a vat containing a rocking frame constructed in accordance with my invention, a hide being shown by dotted lines. Fig. 2 is a cross-section of the vat, Fig. 1, showing several hides suspended. I

The vat Aof any usual shape, material, or size has, as shown, in its bottom a suitable bearing a, represented as notches formed in beams of.

The rocking frame B is shown (see Fig. 1) as of V shape, or substantially so, it being composed of side bars I) b, cross-bars l) b, united to form the top of the frame, and depending ends b united, as shown, with a bottom beam 12 having extended from it preferably suitable journals 0, making the complemental part of the bearing or fulcrum for the frame B to sustain the frame in the liquor in the vat while the frame is being rocked to move the hides or skins d suspended from suitable bars e, resting on cleats f, secured to the bars I) of the top of the frame, said hides so suspended being moved edgewise through the liquor in the vat as the frame is rocked and also being raised and lowered in said liquor. I intend to mount on the crossba-rs b of the top of the frame a bar g, providedwith a suitable yoke or eye It, and'to connect with said bar or its yoke a suitable link 'm, connected with a suitable crank (not shown) actuated by power, so that said frame may be rocked mechanically, thus reciprocating the hides through the liquor and keeping the latter in agitation. Should it be desired to remove the frame, with its attached hides, from the vat or to put a frame provided with hides in the vat, it is only necessary to disconnect the link m from the bar g and engage suitable hooks n, (see Fig. 1,) carried by ropes o, with suitable eyes 10 of the frame and then wind up the ropes, they being connected with a suitable shaft or Windlass mounted, preferably, on a traveling crane or car running on tracks over a series of vats. The.car,"with the frame and its attached hides, may be run into position above any other tank and the frame be lowered in the desired tank.

I intend in practice to employ a series of frames in one or a series of vats in line and to actuate a plurality of said frames from one and the same shaft through suitable arms connected in suitable manner with the said frame.

The frame, as shown, is provided with a plurality of agitators K K so located as to cause the heavier ingredients in the liquor to be thrown upwardly toward the surface of the liquor, and I prefer to arrange said agitators one above the other to thus aid in lifting in the liquor the heavier matter thereof.

Having described my invention, what I- part of the vat, and means for rocking the frame on said journals.

2. In an apparatus for treating hides or skins, the combination of a suitable vat, a frame having depending and converging end bars united at their lower ends, agitators connecting the end bars at each end of the frame, said agitators having their acting surfaces inclined to throw material upward, a beam secured to the lower ends of the end bars, and having journals, bearings for said journals in the lower part of the vat, and means detachably connected to the frame for rocking the frame endwise upon its journals.

3. In an apparatus for treating hides or skins, the combination of a suitable vat, a frame having depending and converging end bars united at their lower ends, an agitator connecting the depending end bars at each end of the frame, said agitators having their acting surfaces inclined to throw material upward, a beam secured to the lower ends of the end bars, the said frame being provided with cleats to removably support hide or skin carrying bars, and means detachably connected to the frame for rocking the frame endwise upon its journals.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

CHARLES P. KERANS.

\Vi tnesses:

Guo. W. GREGORY, EDITH M. STODDARD.

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