US165822A - Improvement in modes of tanning leather - Google Patents
Improvement in modes of tanning leather Download PDFInfo
- Publication number
- US165822A US165822A US165822DA US165822A US 165822 A US165822 A US 165822A US 165822D A US165822D A US 165822DA US 165822 A US165822 A US 165822A
- Authority
- US
- United States
- Prior art keywords
- improvement
- tanning
- modes
- shrub
- tanning leather
- 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 5
- 235000018553 tannin Nutrition 0.000 description 3
- 229920001864 tannin Polymers 0.000 description 3
- 239000001648 tannin Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000002791 soaking Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
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
- C14C3/10—Vegetable tanning
Definitions
- the hides for tanning with said shrub are water-soaked, limed, unhaired, and baited in the usual way.
- the tannin is extracted from the shrub or its leaves by soaking in cold, hot, or warm water, but more perfectly by hot water; or, in restrengthening tan-liquors by heating them, in steeping out the said shrub or leaves, and then putting the prepared hides in the tanliquor, and handling them in and out until tanned through. But I find the tan-liquor from this shrub is "ery liable to sour quickly,
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
GEORGE W'. HATCH, OF LAWRENCE, KANSAS.
IMPROVEMENT IN MODES OF TANNING LEATHER.
Specification forming part of Letters Patent No. 165,822, dated July 20, 1875; application filed May 4, 1875.
To all whom it may concern:
Be it known that I, GEORGE W. HATCH, of Lawrence, county of Douglas, of the State of Kansas, have invented a new and Improved Mode of Tanning Leather; and I do declare that the following is a full and exact description thereof, reference beinghad to the sample of the new tanning-shrub, Ephed'm (m- ,tisg plm'lit-iua, andleather product of my process of tanning with said shrub, sent herewith.
To enable others skilled in the art to use my invention, I will proceed to describe its construction and operation.
In preparing the hides for tanning with said shrub, they are water-soaked, limed, unhaired, and baited in the usual way. The tannin is extracted from the shrub or its leaves by soaking in cold, hot, or warm water, but more perfectly by hot water; or, in restrengthening tan-liquors by heating them, in steeping out the said shrub or leaves, and then putting the prepared hides in the tanliquor, and handling them in and out until tanned through. But I find the tan-liquor from this shrub is "ery liable to sour quickly,
becoming aciduous, rapidly precipitates and destroys the tannin, at great loss. And I find the greatest success in utilizing this shrub to tanning, and making the finest and most perfect leather, is by taking the hides after they are baited, soaking them full of water, then hanging them up in a tight room dripping Wet, and smoking them by hard-wood chips five or six hours, and then pressing them, expressing the smoky fluid into the tan liquor, thus rendering the liquor in a preserved condition against souring, and the tannin in full to turn the rawhide into leather, the hides being put into the tanliquor and handled in and out often until tanned.
I claim As an improvement in the art of tanning, the employment or use of the shrub or plant known as Epheclm antisyphilitica, substantially as set forth.
GEO. W. HATCH. [L. s.]
Witnesses:
S. E. WELCH, H. W. BARLOW.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US165822A true US165822A (en) | 1875-07-20 |
Family
ID=2235231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US165822D Expired - Lifetime US165822A (en) | Improvement in modes of tanning leather |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US165822A (en) |
-
0
- US US165822D patent/US165822A/en not_active Expired - Lifetime
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