US110562A - Improvement in treating hides and manufacturing leather - Google Patents
Improvement in treating hides and manufacturing leather Download PDFInfo
- Publication number
- US110562A US110562A US110562DA US110562A US 110562 A US110562 A US 110562A US 110562D A US110562D A US 110562DA US 110562 A US110562 A US 110562A
- Authority
- US
- United States
- Prior art keywords
- improvement
- hides
- leather
- skins
- tanning
- 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 title description 14
- 238000004519 manufacturing process Methods 0.000 title description 4
- 210000003491 Skin Anatomy 0.000 description 20
- 150000002430 hydrocarbons Chemical class 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 239000000295 fuel oil Substances 0.000 description 8
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 210000004209 Hair Anatomy 0.000 description 4
- 235000004431 Linum usitatissimum Nutrition 0.000 description 4
- 240000006240 Linum usitatissimum Species 0.000 description 4
- 210000002268 Wool Anatomy 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 238000004040 coloring Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 235000004426 flaxseed Nutrition 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 239000001263 FEMA 3042 Substances 0.000 description 2
- 206010022114 Injury Diseases 0.000 description 2
- 229940033123 Tannic Acid Drugs 0.000 description 2
- LRBQNJMCXXYXIU-NRMVVENXSA-N Tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 235000020127 ayran Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001627 detrimental Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000015523 tannic acid Nutrition 0.000 description 2
- 229920002258 tannic acid Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/08—Chemical tanning by organic agents
Definitions
- My invention consists in tanning and stuffing hides and skins by means of hydrocarbons and boiled linseed or other heavy oils.
- the hides or skins may be prepared for tanning in the same manner as is usual for the old process of steeping in bark-leaches. Instead, however, of subjecting them to the slow action of the bark infusions, I simply dip them or soak them for a short time innaphtha, gasoline,kerosene, or other hydrocarbon mixed with boiled linseed or other heavy oil, in about the proportion of eight parts of the former to one of the latter. They are then stretched on suitable frames and dried, after which they are ready for coloring and finishing.
- the object of mixing the oils is to tan and stuff the skins at one operation, though the same result may be obtained by using the two oils separately, which, of course, would require two manipulations of the skins instead of one.
- the heavy oil prevents the too rapid evaporation of the hydrocarbon, and at the same time is carried into the skin by the latter, while it would otherwise have to be rubbed or worked in in a fullingtnn, or by other means.
- sheep-skin treated under my method is equal to the best calf or horse hide as usually prepared for lace-strings for machinery-belting, while its cost is but a mere fraction of these latter.
- a soft, pliable, strong leather for all purposes is obtained by this method, pronounced by good judges to be far superior to any other, since the life of the hides is perfectlyretained, instead of being destroyed by acids or chemicals, while at the same time itis rendered almost impervious to water, and possesses a smooth, parchment-like appearance, not found in ordinary leather.
- the tanning might be effected by simply applying the liquid to the flesh side of the skins, which would perhaps be desirable for delicate furs, 850.
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
UNITED STATES PATENT OEEIoE.
WILLIAM H. FULLER, OF BROUKPORT, ASSIGNOR TO HIMSELF AND GILBERT J. KINGSBURY, OF ROCHESTER, NEW YORK.
IMPROVEMENT IN TREATING HIDES AND MANUFACTURING LEATHER.
Specification forming part of Letters Patent No. 110,562, dated December 27, 1870.
I, WILLIAll/I H. FULLER, of Brockport, 1n the county of Monroe and State of New York, have invented a certain Improvement in Treatin g Hides, of which the following is a specification:
My invention consists in tanning and stuffing hides and skins by means of hydrocarbons and boiled linseed or other heavy oils.
It is well known that the ordinary process of tanning hides, by soaking in solutions of tannic acid, is slow and expensive, while the action of the acid is liable to injure the texture of the skin unless the process is very carefully conducted. By my improved method of treatment I avoid these difficulties, and also produce a better quality of leather.
The hides or skins may be prepared for tanning in the same manner as is usual for the old process of steeping in bark-leaches. Instead, however, of subjecting them to the slow action of the bark infusions, I simply dip them or soak them for a short time innaphtha, gasoline,kerosene, or other hydrocarbon mixed with boiled linseed or other heavy oil, in about the proportion of eight parts of the former to one of the latter. They are then stretched on suitable frames and dried, after which they are ready for coloring and finishing.
The object of mixing the oils is to tan and stuff the skins at one operation, though the same result may be obtained by using the two oils separately, which, of course, would require two manipulations of the skins instead of one. When used together the heavy oil prevents the too rapid evaporation of the hydrocarbon, and at the same time is carried into the skin by the latter, while it would otherwise have to be rubbed or worked in in a fullingtnn, or by other means.
I have observed that the lighter gravities of hydrocarbons produce the best effect, and also the most expeditiously.
This treatment produces a superior quality of leather, both in strength and appearance; and in the case of sheep-skins they cannot be split apart into strata, or the surface roughened, as is usual when tanned and stuffed by any of the ordinary processes. A sheep-skin treated under my method is equal to the best calf or horse hide as usually prepared for lace-strings for machinery-belting, while its cost is but a mere fraction of these latter.
A soft, pliable, strong leather for all purposes is obtained by this method, pronounced by good judges to be far superior to any other, since the life of the hides is perfectlyretained, instead of being destroyed by acids or chemicals, while at the same time itis rendered almost impervious to water, and possesses a smooth, parchment-like appearance, not found in ordinary leather.
Owing to an apparent affinity between hydrocarbons and green skins, their conversion into leather by the application of the former is Very rapid, and without any detrimental effect upon the product. In fact, far better results are obtained than by any of the ordinary methods or means of tanning. This treatment is also very valuable for preparing or tanning skins with the hair or wool on, since they may be immersed in the liquid with scarcely any previous preparation, and without the slightest injury to the fur or wool, the effect really being to set the hair permanently and to cleanse it from impurities.
The tanning might be effected by simply applying the liquid to the flesh side of the skins, which would perhaps be desirable for delicate furs, 850.
The usual processes of removing the hairsandpaperin g, scraping, coloring, and finishin g--may be practiced in connection with this treatment, and the whole will consume but a fraction of the time required for the single operation of tanning by the ordinary methods.
The utility and economy of my invention must appear obvious.
What I claim as my invention is- The method of tanning and stuffing hides and skins by means of the light and heavy oils herein mentioned, substantially in the manner set forth.
W. H. FULLER. TVit-nesses:
F. H. CLEMENT, GEO. T. PARKER.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US110562A true US110562A (en) | 1870-12-27 |
Family
ID=2180032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US110562D Expired - Lifetime US110562A (en) | Improvement in treating hides and manufacturing leather |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US110562A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3850575A (en) * | 1973-01-11 | 1974-11-26 | R Larsen | Tanning composition and process |
-
0
- US US110562D patent/US110562A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3850575A (en) * | 1973-01-11 | 1974-11-26 | R Larsen | Tanning composition and process |
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