US564106A - Process of tanning hides - Google Patents
Process of tanning hides Download PDFInfo
- Publication number
- US564106A US564106A US564106DA US564106A US 564106 A US564106 A US 564106A US 564106D A US564106D A US 564106DA US 564106 A US564106 A US 564106A
- Authority
- US
- United States
- Prior art keywords
- hides
- tanning
- water
- bate
- solution
- 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 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 30
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 16
- 150000003839 salts Chemical class 0.000 description 10
- 239000011780 sodium chloride Substances 0.000 description 10
- 229940037003 alum Drugs 0.000 description 6
- 238000002386 leaching Methods 0.000 description 4
- 238000002791 soaking Methods 0.000 description 4
- 235000010662 Bidens pilosa Nutrition 0.000 description 2
- 240000001032 Bidens pilosa Species 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 235000015450 Tilia cordata Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 201000002372 amelogenesis imperfecta type 1G Diseases 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- 239000010959 steel Substances 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 my invention is to provide an improved process of tanning hides in an expeditious and economical manner, and to produce a fine quality of leather; and it consists in the steps hereinafter named.
- the hides are green, they are trimmed and rinsed, but if dried or what is known as flint they are to be first soaked and then trimmed.
- the hides are then limed in the usual way for ten to fifteen days, and when in proper condition they are taken out, soaked all night in water, and after being haired are again rinsed in cold water.
- the hides are then ready to be bated, which is effected in three operations.
- the first part of the bate is a weak solution of sulfuric acid in water.
- the hides are placed in this for a period of time varying from five to thirty minutes, after which the surplus flesh is sufficiently plumped and softened to be easily removed with a fleshing-knife.
- the second part of the bate consists of a solution in which every twelve gallons of water has added to it two table-spoonfuls of soap-powders and enough floating soap to give the water the milky cast of soapsuds.
- the hides are rinsed in this from three to five minutes, and when taken from this are placed in cold water for twentyfour to forty-eight hours. They will then be slick and soft, and are then taken and worked over on a table with a steel slick on the grain side to remove any fine hair and murrain.
- the hides are then ready for the third part of the bate, which toughens them, giving them a clear slick appearance on the grain, and bringing the hides into a gristle-like consistency.
- This bate consists of a solution of salt of a strength of from 50 to Barkometer test. In this the hides are placed for from five to thirty minutes, and after being taken out are allowed to thoroughly drain before going into the tanning solution.
- hides are next placed in the tanning-vats separately and covered with black-jack bark, and then a solution poured over them composed of alum and water of a strength of 40 until they are fully covered.
- the hides after being taken from the tanning liquor are rinsed in cold water, and may be leached in salt water for five to twenty minutes, or may be leached in aweak solution of sulfuric acid, or may be simply scoured with water without leaching. All hides after being leached are scoured and hung out to dry.
- tanning hides consisting in subjecting the limed and haired hides to a threefold bating process; the first bate being a weak solution of sulfuric acid to soften and plump the flesh, and then removing the flesh; the second bate being of soapsuds, followed by soaking in cold water and slicking; the third bate being a solution of salt to toughen the hides; then packing the hides in the tanning-vats with bark and covering them with a solution of alum and water substantially as and for the purpose described.
- tanning hides consisting in subjecting the limed and haired hides to a threefold bating process; the first bate being a weak solution of sulfuric acid to soften and plump the flesh, and then removing the flesh; the second bate being of soapsuds, followed by soaking in cold water and slicking; the third bate being a solution of salt to toughen the hides; then packing the hides in the tanning-vats with bark and covering them with a solution of alum and water, then leaching the hides in salt water, or its described equivalent, then scouring and drying substantially as and for the purpose described.
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 OFFICE.
JOHN Cl-IARSLEY ROGERS, OF CUERO, TEXAS.
PROCESS OF TANNING HIDES.
SPECIFICATION forming part of Letters Patent No. 564,106, dated July 14, 1896.
Application filed November 19, 1 8 9 5.
To all whom it may concern.-
Be it known that I, J OHN CHARSLEY Roe- ERS, of Cuero, in the county of Dewitt and State of Texas, have invented a new and useful Improvement in Processes of Tanning Hides, of which the following is a specification.
The object of my invention is to provide an improved process of tanning hides in an expeditious and economical manner, and to produce a fine quality of leather; and it consists in the steps hereinafter named.
If the hides are green, they are trimmed and rinsed, but if dried or what is known as flint they are to be first soaked and then trimmed. The hides are then limed in the usual way for ten to fifteen days, and when in proper condition they are taken out, soaked all night in water, and after being haired are again rinsed in cold water. The hides are then ready to be bated, which is effected in three operations. The first part of the bate is a weak solution of sulfuric acid in water. The hides are placed in this for a period of time varying from five to thirty minutes, after which the surplus flesh is sufficiently plumped and softened to be easily removed with a fleshing-knife. This does away with and takes the place of the usual fleshing and lime fleshing and breaking. The second part of the bate consists of a solution in which every twelve gallons of water has added to it two table-spoonfuls of soap-powders and enough floating soap to give the water the milky cast of soapsuds. The hides are rinsed in this from three to five minutes, and when taken from this are placed in cold water for twentyfour to forty-eight hours. They will then be slick and soft, and are then taken and worked over on a table with a steel slick on the grain side to remove any fine hair and murrain. The hides are then ready for the third part of the bate, which toughens them, giving them a clear slick appearance on the grain, and bringing the hides into a gristle-like consistency. This bate consists of a solution of salt of a strength of from 50 to Barkometer test. In this the hides are placed for from five to thirty minutes, and after being taken out are allowed to thoroughly drain before going into the tanning solution.
The
Serial No. 569,432. (No specimens.)
hides are next placed in the tanning-vats separately and covered with black-jack bark, and then a solution poured over them composed of alum and water of a strength of 40 until they are fully covered.
In fourteen days the hides are thoroughly tanned without any changing of barks or raising of hides.
The hides after being taken from the tanning liquor are rinsed in cold water, and may be leached in salt water for five to twenty minutes, or may be leached in aweak solution of sulfuric acid, or may be simply scoured with water without leaching. All hides after being leached are scoured and hung out to dry.
Having thus described my invention, what Iclaim as new, and desire to secure by Letters Patent, is-
1. The process herein described of tanning hides consisting in subjecting the limed and haired hides to a threefold bating process; the first bate being a weak solution of sulfuric acid to soften and plump the flesh, and then removing the flesh; the second bate being of soapsuds, followed by soaking in cold water and slicking; the third bate being a solution of salt to toughen the hides; then packing the hides in the tanning-vats with bark and covering them with a solution of alum and water substantially as and for the purpose described.
2. The process herein described of tanning hides consisting in subjecting the limed and haired hides to a threefold bating process; the first bate being a weak solution of sulfuric acid to soften and plump the flesh, and then removing the flesh; the second bate being of soapsuds, followed by soaking in cold water and slicking; the third bate being a solution of salt to toughen the hides; then packing the hides in the tanning-vats with bark and covering them with a solution of alum and water, then leaching the hides in salt water, or its described equivalent, then scouring and drying substantially as and for the purpose described.
JOHN OHARSLEY ROGERS.
Witnesses:
WM. WAGNER, JOHN G. MAYNE.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US564106A true US564106A (en) | 1896-07-14 |
Family
ID=2632825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US564106D Expired - Lifetime US564106A (en) | Process of tanning hides |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US564106A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080277312A1 (en) * | 2007-05-07 | 2008-11-13 | International Business Machines Corporation | Reconfigurable Packaging Material and Packages |
-
0
- US US564106D patent/US564106A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080277312A1 (en) * | 2007-05-07 | 2008-11-13 | International Business Machines Corporation | Reconfigurable Packaging Material and Packages |
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