US262516A - Process of bating and tanning hides - Google Patents
Process of bating and tanning hides Download PDFInfo
- Publication number
- US262516A US262516A US262516DA US262516A US 262516 A US262516 A US 262516A US 262516D A US262516D A US 262516DA US 262516 A US262516 A US 262516A
- Authority
- US
- United States
- Prior art keywords
- hides
- bating
- tanning
- gases
- tanning hides
- 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
- 238000000034 method Methods 0.000 title description 10
- 239000007789 gas Substances 0.000 description 22
- BVKZGUZCCUSVTD-UHFFFAOYSA-N Carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 6
- 239000005864 Sulphur Substances 0.000 description 6
- 235000015450 Tilia cordata Nutrition 0.000 description 6
- 235000011941 Tilia x europaea Nutrition 0.000 description 6
- 239000003610 charcoal Substances 0.000 description 6
- 239000004571 lime Substances 0.000 description 6
- 238000005192 partition Methods 0.000 description 6
- LSNNMFCWUKXFEE-UHFFFAOYSA-N sulfonic acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- FGIUAXJPYTZDNR-UHFFFAOYSA-N Potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 210000003491 Skin Anatomy 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003472 neutralizing Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 235000010333 potassium nitrate Nutrition 0.000 description 2
- 230000036633 rest Effects 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- 239000001117 sulphuric acid Substances 0.000 description 2
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C1/00—Chemical treatment prior to tanning
- C14C1/08—Deliming; Bating; Pickling; Degreasing
Definitions
- This invention relates to an improved process or method of hating hides; and it has for its object to provide an improved means of neutralizing the lime employed in removing the hair therefrom.
- the apparatus which I prefer to use to carry out the invention is illustrated in the accompanying drawings, in which- Figure 1 represents a transverse vertical sectional view of the apparatus employed in carrying out my invention, and Fig. 2 a longitudinal vertical section of the same.
- the letter A indicates a chamber divided into two compartments by means of a partition, B.
- a vessel, 0, which is divided into two compartments, 0 c, by means of a partition, 0
- the apparatus is provided with a removable cover, D, which rests upon cleats E, secured to the interior of the chamber near its upper edge.
- One of the compartments in the chamber 0 is designed to contain carbon or charcoal and the other to contain sulphur, which, when ignited, will generate carbonic-acid, and sulphurous-acid gases, which will permeate the hides and neutralize the lime.
- the hides after being treated with lime in the usual manner, are suspended upon supports F on opposite sides of the compartment a, where they are thoroughly subjected to the action of the combined gases developed by the burning charcoal and sulphur. They are then removed and partially tanned, as usual, being subjected to the action of the tanning material for five or six days.
- the air necessary'to support the combustion of the burning materials is supplied through a tube, G, provided with a valve, H.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Description
, Patented Aug. 8, 1882.
M. TURLEY.
PROCESS OF EATING AND TANNING HIDES.
(Model.)
z l z I z r I r r r l N. l Wv\\\\\\\\\\\\\\\ F W x UNITED STATES PATENT OFFICE.
MARSHALL TURLEY, OF COUNCIL BLUFFS, IOWA.
PROCESS OF BATING AND TANNING HIDES.
SPECIFICATION forming part of Letters Patent No. 262,516, dated August 8, 1882. Application filed November 1, 1881. (ModeL) To all whom it may concern Be it known that I, MARSHALL TURLEY, of Council Bluffs, in the county of Pottawattamic, and in the State of Iowa, have invented certain new and useful Improvements in Bating andTanningHides; andldoherebydeclare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon, making a part of this specification.
This invention relates to an improved process or method of hating hides; and it has for its object to provide an improved means of neutralizing the lime employed in removing the hair therefrom. This object I accomplish by the process hereinafter specified. The apparatus which I prefer to use to carry out the invention is illustrated in the accompanying drawings, in which- Figure 1 represents a transverse vertical sectional view of the apparatus employed in carrying out my invention, and Fig. 2 a longitudinal vertical section of the same.
The letter A indicates a chamber divided into two compartments by means of a partition, B. In the larger compartment, which is indicated by the letter a, is located a vessel, 0, which is divided into two compartments, 0 c, by means of a partition, 0
The apparatus is provided with a removable cover, D, which rests upon cleats E, secured to the interior of the chamber near its upper edge.
One of the compartments in the chamber 0 is designed to contain carbon or charcoal and the other to contain sulphur, which, when ignited, will generate carbonic-acid, and sulphurous-acid gases, which will permeate the hides and neutralize the lime. The hides, after being treated with lime in the usual manner, are suspended upon supports F on opposite sides of the compartment a, where they are thoroughly subjected to the action of the combined gases developed by the burning charcoal and sulphur. They are then removed and partially tanned, as usual, being subjected to the action of the tanning material for five or six days. They are then hung in the smaller compartment a, which communicates with the compartment a by means of apertures a in the partition B, until they are thoroughly relaxed and softened by the gases passing from said compartment a, after which they are removed to the tanning-vats and the tanning process completed in the usual manner.
The air necessary'to support the combustion of the burning materials is supplied through a tube, G, provided with a valve, H.
I am aware that a composition of carbon, sulphur, and nitrate of potash has been employed to generate acid gases for batin g hides; but the gases generated by such are apt to be contaminated by free sulphuric acid. Hence I do not claim such compound, nor the treatment of hides by the gases produced from such.
I am also aware that carbonic-acid and sulphurous-acid gases have heretofore been produced eonjointly by burning charcoal and sulpliurtogether, and 1 do not therefore lay any claim to the production of the said combined gases, nor to the subjection of the hides and skins to the action of such, the essential feature of my invention consisting in the order of'the steps by which the hides are treated, as set forth. Nor do I claim the apparatus described and shown for generating the combined gases, as the same forms no essential part of my invention.
Having thus described my invention, what I claim, and desire to secure by Letters Patent, 1s-
The process herein described of bating and tanning hides, which consists in first subjecting the same to the combined action of carbonic and sulphurous acid gases, then partially tanning and afterward subjecting the partially-tanned hides to the action of the said combined gases, and finally tanning in the usual manner, substantially as specified.
In testimony whereof I aflix my signature, in presence of two witnesses, this 22d day of October, 1881.
MARSHALL TURLEY.
Witnesses:
J. J. MCCARTHY, OHAs. D. DAVIS.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US262516A true US262516A (en) | 1882-08-08 |
Family
ID=2331792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US262516D Expired - Lifetime US262516A (en) | Process of bating and tanning hides |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US262516A (en) |
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0
- US US262516D patent/US262516A/en not_active Expired - Lifetime
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