US54647A - Improvement in arranging vats for tanning - Google Patents
Improvement in arranging vats for tanning Download PDFInfo
- Publication number
- US54647A US54647A US54647DA US54647A US 54647 A US54647 A US 54647A US 54647D A US54647D A US 54647DA US 54647 A US54647 A US 54647A
- Authority
- US
- United States
- Prior art keywords
- tanning
- vat
- leather
- vats
- arranging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000010985 leather Substances 0.000 description 26
- 238000000034 method Methods 0.000 description 4
- 241001125879 Gobio Species 0.000 description 2
- 241000274177 Juniperus sabina Species 0.000 description 2
- 210000003491 Skin Anatomy 0.000 description 2
- 235000020127 ayran Nutrition 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000001520 savin Nutrition 0.000 description 2
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B1/00—Manufacture of leather; Machines or devices therefor
Definitions
- my invention consists in so constructing and arranging a vat for tanning leather that the tanning-liquor shall be equalized through the vat at all times as to strength, and the hides or leather shall be constantly and uniformly exposed to its influence.
- the axle is lettered F and the said strips K K.
- This axle is longer than the buckets at one end to allow the attachment of a wheel, which I make two to four inches larger than the main wheel, and attach firmly a pin to it, near the circumference, on the outside, to which pin I attach one or more handles loosely, which extend above the vat, so that one or more persons can revolve said main wheel.
- This wheel to which the pin is attached is lettered E and the handle D and the pin by letter g.
- the main wheel by means of its axle, is attached to standards fastened in the bottom of the vat, so that it shall revolve in gudgeons in said standards, and in its revolution will pass within about two inches of the bottom of the vat, and it maybe operated by hand, or have its handle attached to some simple device connected in.
- the machinery may be operated by power.
- About one foot from the top ot' the vat I attach to its sides, one on each side, two cleats, upon which rest slats, (marked 0,) upon which the leather is hung near the middle of a side or skin, so that the ends of the side will hang down in proximity with the wheel at the bottom or hooks may be driven into the cleats and the leather hung upon the hooks.
- the leather is allowed to remain in the liquor till it is sufficiently tanned without being constantly raised and exposing it to the air, which very much retards the process of tanning.
- the tanningliquor is constantly equalized in strength through the entire vat by the revolution of the wheel at the bottom, which cannot be accomplished by the mere agitation of the top of the liquor.
- the frequent handling of the vleather in the vat is obviated, and all the advantages of frequent handling without any of the disadvantages of great labor and ex posure to the air are obtained by the motion given to the leather in the liquor by the agitationthereof by the main wheel, and by the exposure of every part of the leather to the tanning influence of the liquor.
- the tanning -liquor may be strengthened from time to time, as may be required, without raising the leather, and the liquor is then equalized by the revolution of the main wheel.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Description
' NTTED STATES PATENT Orrin WILLIAM LA DEW, OF NORWAY, (GRAY P. O.,) ASSIGNOR TO HIMSELF AND HORACE U. SOPER, OF BATAVIA, NEW YORK.
IMPROVEMENT IN ARRANGING VATS FOR TANNING.
Specification forming part of Letters Patent No. 54,647, dated May 8, 1866.
To all 'whom it may concern:
Bc it known that I, WILLIAM LA Daw, of the town of Norway, (Gray P. 0.,) in the county of Herkimer and State of New York, have invented a new and Improved lVIodc of Gonstructing and Arranging Vats for Tanning Leather; and I do hereby declare that the following is a full and exact description thereof, reference being had to the accompanyingdrawings, and to the letters of reference marked thereon.
The nature of my invention consists in so constructing and arranging a vat for tanning leather that the tanning-liquor shall be equalized through the vat at all times as to strength, and the hides or leather shall be constantly and uniformly exposed to its influence.
To enable others skilled in the art to make and use myinvention, I will proceed to describe its construction and operation.
I construct a vat in the usual torm now common among tanners, about nine feet long, six feet deep, and live feet wide; but my invention can as well be applied to vats of larger or smaller dimensions. I make a wheel from eighteen inches to two feet in diameter, long enough to extend the whole length of the vat, leaving space enough at one end to place a wheel on the end of the axle of the main wheel. I make fourA or more buckets to the main wheel by attaching a narrow strip of board to arms inserted in mortises at right angles to each other through the axle of the main wheel, leaving a small space between the said axle and the said strip. The axle is lettered F and the said strips K K. This axle is longer than the buckets at one end to allow the attachment of a wheel, which I make two to four inches larger than the main wheel, and attach firmly a pin to it, near the circumference, on the outside, to which pin I attach one or more handles loosely, which extend above the vat, so that one or more persons can revolve said main wheel. This wheel to which the pin is attached is lettered E and the handle D and the pin by letter g. The main wheel, by means of its axle, is attached to standards fastened in the bottom of the vat, so that it shall revolve in gudgeons in said standards, and in its revolution will pass within about two inches of the bottom of the vat, and it maybe operated by hand, or have its handle attached to some simple device connected in. the machinery, and then may be operated by power. About one foot from the top ot' the vat I attach to its sides, one on each side, two cleats, upon which rest slats, (marked 0,) upon which the leather is hung near the middle of a side or skin, so that the ends of the side will hang down in proximity with the wheel at the bottom or hooks may be driven into the cleats and the leather hung upon the hooks.
By this arrangement the leather is allowed to remain in the liquor till it is sufficiently tanned without being constantly raised and exposing it to the air, which very much retards the process of tanning. The tanningliquor is constantly equalized in strength through the entire vat by the revolution of the wheel at the bottom, which cannot be accomplished by the mere agitation of the top of the liquor. The frequent handling of the vleather in the vat is obviated, and all the advantages of frequent handling without any of the disadvantages of great labor and ex posure to the air are obtained by the motion given to the leather in the liquor by the agitationthereof by the main wheel, and by the exposure of every part of the leather to the tanning influence of the liquor.
The tanning -liquor may be strengthened from time to time, as may be required, without raising the leather, and the liquor is then equalized by the revolution of the main wheel.
The great advantages are obtained of saving labor, hastening the process of tanning, the saving of tanning material, and the superiority of stock produced. It is also evident that the leather is more readily plumped by being hung in the liquor, and will receive more readily a greater quantity of tan and beincreased in weight.
Having thus described my invention and its operation, what I desire to secure by Letters Patent is as follows:
l. Constructing a tan-vat with the slats or hooks so that the leather may be hung` in the tanning-liquor, in combination with a movable wheel or other movable machinery located in the bottom of the vat, to be operated either by hand or power, for the purpose of equalizing the strength of the tanning-liquor and imparting a motion to the leather hanging therein, constructed and arranged as described, and for the purposes set forth.
l2. Placing in the bottom of the vat a Inovable Wheel with buckets or other movable machinery, so arranged as to be operated by hand or power for the purpose of plunging up and agitating the tanning-liquor, and also impart-` ing a motion to the leather hanging therein, thus Savin g labor both in handling and laying away, constructed and arranged as described, and for the purposes set forth.
WM. LA DEW. In presence of- H. U. SOPER, GEO. HURLBURT.
Publications (1)
Publication Number | Publication Date |
---|---|
US54647A true US54647A (en) | 1866-05-08 |
Family
ID=2124190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US54647D Expired - Lifetime US54647A (en) | Improvement in arranging vats for tanning |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040024735A1 (en) * | 2000-09-12 | 2004-02-05 | Sue-Ken Yap | Card reading device for service access |
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0
- US US54647D patent/US54647A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040024735A1 (en) * | 2000-09-12 | 2004-02-05 | Sue-Ken Yap | Card reading device for service access |
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