US795A - Mode of constructing and managing vats fob tanning leather - Google Patents

Description

Uniinn srarns PATENT onrron.

WM. L. J. C. ROUSE vAD S. TAYLOR, `OF BEDFORD COUNTY, VIRGINIA.

MODE OF"CONSTRUCTING `.AND MANAGING VATS FOR TANNING LEATHER.

"Specification of Letters Patent No.- 795, dated June ".20, A1838.`

. i act description thereof.

'Our improvement consists in a particular mode of arranging Aand combining our vats,

so that the tanning liquor can be more advantageously transferred from one vat to another, and conveyed into another row of vats when necessaryffor the purpose of laying away the hides to be tanned. We also employ, in addition to the plan of establishing a communication between the re- Y spective vats, in the way to be described, an apparatus for handling, or removmg the hides from one vat to another, by means of which this object is effected with great fa-l cility and convenience.

thedrawing herein referred to, l we shown a series of three vats only, in a row, but we are not limited by our plan to any particular number, and consider a series of twelve as best adapted to In have `carry out our plan in a perfect manner; the

principle of construction and proceedure can, however, be fully made known by means of three, y

In the accompanying drawing Figure l, is a top view of the vats; a portion of the railway, and its appendages, being removed for the purpose of exhibiting the tops of the vats without obstructio-n. Fig.

2, is a top view of the railway with carriage thereon, and Fig. 3, an elevation of the vats, with the railway and carriage.

A, B, C, a, b, c, Fig 1 is a series of three vats, which are to be divided into two compartments each, by partitions crossing them froln side to side, these partitions being perforated, to allow a free communication of liquor from one division of each vat to the other, one being intended to contain the bark, andthe other vthe hides or skins to be tanned, the parts A, B, C, being for the Vreception of the hides, and e, b, c, for the bark.

A communication is established between these vats, by means of aqueducts, or tubes d, e, near the bottoms of each; these tubes open into the vats by holes on their upper sides, as seen at d', c', so that they can be conveniently closed, or opened, by

means of a plug. There are similarA tubes f, g, about the middle, `or nearer the tops of the vats; L, 71is a similar aqueduct, or tube connecting the vats, A, and C, Vfor a purpose to be presently explained. D, E, F, are three laying away vats, Vopposite to the three first described, `and communicatingr with them near their bottoms. Between these two rows of vats there is a 'long trunk or aqueduct g, g, the tubes jfj, j, 'leading into this from -`the vats A, B, Cf; and the tubes i, 1I, from this into the vats D, E, `F; these tubes terminating in the vatsby holes opening upward.

In the elevation Fig. 8the ends of the vats A, B, C, and some of the connecting l designated Two of the timber I, about .siX feet above the tops of. the vats, and upon which the carriage runs. J, is one cheek, orside ofthe carriage, and la, le, two of its wheels, which run in a groove, or 'upon a tongue, or edgerail,

upon I; the whole arrangement of which is shown better in Fig. 2; a part of it, also, is shown in Fig. l. Ii, K, are windlasses, by which the carriage, with its load, may be moved over either of the first series of vats. L, L, is a windlass on the carriage, and M, M, pulleys, over which ropes may be passed for raising the hides. In vat C, is seen the hide frame m, m, upon which the hides are suspended, by means of ropes, pins, slats, or other analogous eontrivance; it can be readily raised and transferred to other vats, each of which is supplied with strips, or ledges, for supporting the frame, which is well fitted to the hide apartment of each vat. In the compartment c, there is a movable reservoir, or vat, n, n, which fits into this Compartment, and has its sides and bot-V and let the water into C, when it is judged necessary to remove the hides from this iirst 7 into a stronger ooze, let them be transferred to vat B, and lill b, with bark; then open aqueduct g, and let in fresh water upon c,

Fin 0, with bark, and o, with hides,

which rwill force the strong ooze from C,

into B, fill C, with fresh'hides.`A When the hides in C, and D, require removing, transfer the contents of B, into A, and of C, into B, open Ythe aqueduct between B, and A,- at CZ, and let fresh water into e, as before. It

will be found that, the weaker liquorrbehind will alwayskeep the stronger in advance, in consequence of the peculiar mode in which theAV fluids traverses the vats. When the number of vats are not sufficient to tan the hides by passing once through the series, we bring .them back to the first vat, and give them a` second course inythis case we stop the communication between vats C, and B, at g, and remove the ooze and bark from C, and put in fresh bark as at first, and then transfer the vcontents of A, to C, of B, to A, and of C,to B, and open the communication between vats C, and A, by removingthe plugs vof L, 7L, and putting the ooze taken from @,into B. By a similar mode of proceeding the operation may be repeated as frequently as may be necessary to perfect the process of tanning.

tops, the liquor flowing through which openings is conducted vdown near to the bottom of the vat into which it is to flow, a mode of procedure differing essentially from that above described, which enables us to make transfers of the (contents "of nefvat lto an- Vother,kwphich cannot be effected by his arrangement.

What we claim tion, is-

l'. The manner of arranging the aqueducts, or tubes, at or near the lower parts of the"vats, innfcombnation with those ata feate levitOIl,l but in no case approachingV the upper portion of the vats, so that as constituting our inventhe loozeV may be transferred from one'to the other, substantially in the manner set forth.

2.Y I/Ve also claim theananne'r of connecting` the lay away vats, with.` the rst series,

asset forth, so 4that the strong'liquor may at pleasure be'conveyed into them, inthe manner set forth. f Y

Welikewise claim "the'movable reservoir, or vat, for containing the barks.

WILLIAM L. J. C. ROUSE. 4S'ILAS TAYLOR. f v y Witnesses to the 'signature VoflWilliam L. p

J. C. Rouse: v

C. H. W'ILTBERGER, yLANsToN 'IHo'Rrn Witnesses to the signature of Silas Taylor:

SAML. I?. MITCHELL, J ULIA ANN MITCHELL.

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