USRE4129E - Improvement in tanning and stuffing leather - Google Patents
Improvement in tanning and stuffing leather Download PDFInfo
- Publication number
- USRE4129E USRE4129E US RE4129 E USRE4129 E US RE4129E
- Authority
- US
- United States
- Prior art keywords
- leather
- tanning
- hides
- improvement
- stuffing
- Prior art date
Links
- 239000010985 leather Substances 0.000 title description 22
- 150000001875 compounds Chemical class 0.000 description 20
- 239000004615 ingredient Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 12
- PEDCQBHIVMGVHV-UHFFFAOYSA-N glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 10
- 235000011187 glycerol Nutrition 0.000 description 10
- 108010068370 Glutens Proteins 0.000 description 6
- 235000021312 gluten Nutrition 0.000 description 6
- 239000000346 nonvolatile oil Substances 0.000 description 6
- 239000003760 tallow Substances 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 229940037003 alum Drugs 0.000 description 4
- NHNBFGGVMKEFGY-UHFFFAOYSA-N nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 4
- 235000011149 sulphuric acid Nutrition 0.000 description 4
- 239000001117 sulphuric acid Substances 0.000 description 4
- 241001605888 Chaenomeles japonica Species 0.000 description 2
- 206010044696 Tropical spastic paresis Diseases 0.000 description 2
- 235000020127 ayran Nutrition 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000001771 impaired Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
Definitions
- the tanning compounds heretofore used for treating raw hides have invariably had some ingredients in them which affected inj uriousl y the gluten in the hides, and thus impaired the elasticity, as well as the tenacity, of the leather,
- the first part of my process consists in treating the hides with a compound composed of the following ingredients, in about the proportions given, viz: nitrate of potassa, four ounces; alum, two ounces; terra-japonica', two ounces; sulphuric acid, two drams; distilled water, two quarts.
- the nitrate of potassa, alum, and terra japonica are first dissolved in the water, after which the sulphuric acid is added.
- the hides are soaked in this compound from five to ten days They are then taken out to be stuffed, and for this part of my process I use glycerine, in connection with tallow or any of the fixed oils, in the pro portion of from one ounce to twelve ounces of glycerine to one pound of tallow, according to the kind of leather to be manufactured, to which a suflicient quantity of any of the fixed oils may be added to make the composition of the proper consistency to be applied to the leather.
- Thiscompound is prepared by placing the difierent substances named in a kettle and subjecting them to a proper degree of heat to effeet a perfect union of them. Thus prepared, it is spread upon all sides of the hides, which are then hung up to dry, the whole process being completed in about fifteen days.
Description
PATENT OFFICE.
WILLIAM B. BRITTINGHAM, OF. LAFAYETTE, INDIANA.
IMPROVEMENT IN TANNING AND STUFFING LEATHER.
Specification forming part of Letters Patent No. 98,916, dated January 18,
1870; Reissue No. 4,129, dated September 27, 1870.
T0 at whom it may concern Be it known that I, WILLIAM B. BRITTING- HAM, of Lafayette, in the county of Tippecanoe and State of Indiana, have invented an Improved Process of Tanning and Stuifin Leather; and I do hereby declare that the following is a full, clear, and exact description thereof, enabling persons skilled in the art to reduce it to practice.
The tanning compounds heretofore used for treating raw hides have invariably had some ingredients in them which affected inj uriousl y the gluten in the hides, and thus impaired the elasticity, as well as the tenacity, of the leather,
and where the tanned hides are stuffed the compounds used for that purpose have failed to accomplish the permanent pli-ability and softness of the leather, which are so essential qualities in a fine article.
It is the object of my invention to provide a compound for tanning the hides, which shall leave the gluten therein to a great extent unimpaired, and another compound for stufiing the tanned hides, which contains, as one of the ingredients, glycerine', by which the permanent softness and pliability of the leather are insured.
The first part of my process consists in treating the hides with a compound composed of the following ingredients, in about the proportions given, viz: nitrate of potassa, four ounces; alum, two ounces; terra-japonica', two ounces; sulphuric acid, two drams; distilled water, two quarts.
In preparing this compound, the nitrate of potassa, alum, and terra japonica are first dissolved in the water, after which the sulphuric acid is added. The hides are soaked in this compound from five to ten days They are then taken out to be stuffed, and for this part of my process I use glycerine, in connection with tallow or any of the fixed oils, in the pro portion of from one ounce to twelve ounces of glycerine to one pound of tallow, according to the kind of leather to be manufactured, to which a suflicient quantity of any of the fixed oils may be added to make the composition of the proper consistency to be applied to the leather.
Thiscompound is prepared by placing the difierent substances named in a kettle and subjecting them to a proper degree of heat to effeet a perfect union of them. Thus prepared, it is spread upon all sides of the hides, which are then hung up to dry, the whole process being completed in about fifteen days.
The advantages resulting from the use of this composition for stuffing leather are that it makes the leather more firm, of a closer fiber, and yet leaves it more mellow, presenting a smooth surface when out, and retaining its elasticity and softness until it is worn out, the glycerine remaining therein for any length of time without evaporating.
I am aware that tanning compounds are in use in which some or all of the ingredients are used which I employ; but I have found, by actual experiments, that no other combination of these ingredients than that above given will produce the result at which I have aimednamely, to tan the hides without destroying the gluten in them, and thus retaining the strength of the raw hides, while converting them into pliable leather.
What I claim as my invention, and desire to secure by Letters Patent, is-
1. In the process of stuffing leather, the use of a compound composed of glycerine and tallow, with or without any of the fixed oils, substantially as set forth.
2. The process of tanning and stuffingleather herein set forth, by first treating the raw hides with a compound composed of the ingredients and in the proportions specified, and afterward stuffing the tanned hides by another com pound composed of such ingredients as herein described. I
In testimony whereof I have signed the foregoing specification in the presence of two subscribing witnesses.
WILLIAM B. BRITTINGHAM.
Witnesses:
, D. P. HOLLOWAY, 13. Bow. J. EILs.
Family
ID=
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