US199054A - Improvement in tanning leather - Google Patents
Improvement in tanning leather Download PDFInfo
- Publication number
- US199054A US199054A US199054DA US199054A US 199054 A US199054 A US 199054A US 199054D A US199054D A US 199054DA US 199054 A US199054 A US 199054A
- Authority
- US
- United States
- Prior art keywords
- leather
- improvement
- tanning
- water
- japonica
- 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 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 241001605888 Chaenomeles japonica Species 0.000 description 14
- 229940037003 alum Drugs 0.000 description 14
- 150000003839 salts Chemical class 0.000 description 14
- 239000011780 sodium chloride Substances 0.000 description 14
- 239000002253 acid Substances 0.000 description 8
- 210000003491 Skin Anatomy 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 235000011149 sulphuric acid Nutrition 0.000 description 6
- 239000001117 sulphuric acid Substances 0.000 description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- 235000015450 Tilia cordata Nutrition 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000003756 stirring Methods 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
- C14C1/00—Chemical treatment prior to tanning
- C14C1/08—Deliming; Bating; Pickling; Degreasing
Definitions
- the object of this invention is to furnish an improved process for tanning water proof leather for boots, gloves, lace-leather, belts, harness, and various other uses.
- the invention consists in the process of tanning hides by means of sulphuric acid, alum, japonica, salt, and water or bark-liquor, as hereinafter set forth, and in the mixture of alum, japonica, salt, and water or bark-liquor, in the proportions hereinafter set forth, for
- the skins are left in the solution for fortyeight hours, with frequent stirring.
- the skins are next put into a mixture of alum, japonica, salt, and water, in the proportions of two pounds of alum, two poimds of japonica, three quarts of salt, and-ten gallons of water, and handled well for one week. This is the application for lace-leathers.
- the hides should be left in the last liquor for one week at least.
- Boot and glove leather is drenched after liming in the ordinary way, and the acid is not used when the leather is required to be very soft.
- the alum, japonica, and salt may be used together in a mixture, as hereinbefore described, or each ingredient may be used by itself in the proportion given each for a week; but the time for the acid should not be increased beyond that given.
- Old bark-liquor may be used instead of water to change the color of the stock.
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 'STA'I'ES PATENT OFFICE.
GEORGE GOODWIN, OF COOKSHIRE, QUEBEC, CANADA.
IMPROVEMENT IN TANNING LEATHER.
Specification forming part of Letters Patent No. 199,054, dated January 8, 1878; application filed I March 1877.
To all whom it may concern Be it known that I, GEORGE GoonwiN, of Oookshire,in the county of Compton, Province of Quebec, and Dominion of Canada, have invented a new and useful Improvement in Tanning VVater-Proof Leather, of which the fol lowing is a specification:
The object of this invention is to furnish an improved process for tanning water proof leather for boots, gloves, lace-leather, belts, harness, and various other uses.
The invention consists in the process of tanning hides by means of sulphuric acid, alum, japonica, salt, and water or bark-liquor, as hereinafter set forth, and in the mixture of alum, japonica, salt, and water or bark-liquor, in the proportions hereinafter set forth, for
- tanning hides.
In carrying my invention into practical effeet I first lime the hides in the usual way, take off the hair, and then put the skins into a solution of sulphuric acid, in the proportion of four ounces of acid to ten gallons of water.
.The skins are left in the solution for fortyeight hours, with frequent stirring. The skins are next put into a mixture of alum, japonica, salt, and water, in the proportions of two pounds of alum, two poimds of japonica, three quarts of salt, and-ten gallons of water, and handled well for one week. This is the application for lace-leathers.
For uppers and other heavy stock, the solution of alum, japonica, and salt should be re-f newed every three days for two weeks, and
the hides should be left in the last liquor for one week at least.
Boot and glove leather is drenched after liming in the ordinary way, and the acid is not used when the leather is required to be very soft.
When the leather is required to be firm, I use the acid after the hide comes from the lime, as hereinbefore described, or when it comes from the drench.
The alum, japonica, and salt may be used together in a mixture, as hereinbefore described, or each ingredient may be used by itself in the proportion given each for a week; but the time for the acid should not be increased beyond that given.
Old bark-liquor may be used instead of water to change the color of the stock.
fiaving thus described my invention, I claim as new and desire to secure by Letters Patent An improved process of tanning hides after the hair has been removed, so as to make water-proof leather, that consists in first soaking and agitating them forty-eight hours in a solution of sulphuric acid, and then treating them with a tanning-liquor formed of alum,
two poimds; japonica, two pounds; salt, three quarts; and water, ten gallons, as set forth.
GEORGE GOODWIN.
Witnesses:
M. E. 000K, M. R. Bron.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US199054A true US199054A (en) | 1878-01-08 |
Family
ID=2268461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US199054D Expired - Lifetime US199054A (en) | Improvement in tanning leather |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US199054A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3807805A (en) * | 1971-11-29 | 1974-04-30 | Motor Wheel Corp | Vehicle wheel |
-
0
- US US199054D patent/US199054A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3807805A (en) * | 1971-11-29 | 1974-04-30 | Motor Wheel Corp | Vehicle wheel |
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