US230225A - Samuel bloom - Google Patents
Samuel bloom Download PDFInfo
- Publication number
- US230225A US230225A US230225DA US230225A US 230225 A US230225 A US 230225A US 230225D A US230225D A US 230225DA US 230225 A US230225 A US 230225A
- Authority
- US
- United States
- Prior art keywords
- leather
- skins
- samuel
- bloom
- 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
- 210000003491 Skin Anatomy 0.000 description 26
- 239000010985 leather Substances 0.000 description 22
- 238000000034 method Methods 0.000 description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 210000004243 Sweat Anatomy 0.000 description 4
- 210000002268 Wool Anatomy 0.000 description 4
- 229940037003 alum Drugs 0.000 description 4
- 239000004519 grease Substances 0.000 description 4
- 235000000396 iron Nutrition 0.000 description 4
- 238000010409 ironing Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 238000002791 soaking Methods 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 244000089265 zong er cha Species 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 208000008454 Hyperhidrosis Diseases 0.000 description 2
- 206010022114 Injury Diseases 0.000 description 2
- 235000015450 Tilia cordata Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000035900 sweating Effects 0.000 description 2
- KNXVOGGZOFOROK-UHFFFAOYSA-N trimagnesium;dioxido(oxo)silane;hydroxy-oxido-oxosilane Chemical compound [Mg+2].[Mg+2].[Mg+2].O[Si]([O-])=O.O[Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O KNXVOGGZOFOROK-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
- C14C1/00—Chemical treatment prior to tanning
- C14C1/06—Facilitating unhairing, e.g. by painting, by liming
Definitions
- This invention has relation to improvements intanning leather; and it consists of the hereinafterdescribed process, by which the leather is rendered peculiarly soft and pliable, thus rendering it especially valuable for glove, lace, and belt leather.
- My process can be applied to the tanning of all kinds of skins, from the very light to the very heavy, and its application is accomplished as follows I take the dry or green skins and place them in water, in which I allow them to remain and soak over night. I then take them out and break them on the flesh side, and put them back into water again for a few hours say over night. I then take them out and hang and sweat them from thirty to forty-eight hours, according to the weather. Any practical tanner will understand this process and its necessities. In very cold weather I use steam in order to sweat the skins; but this is known to all tanners. I then take off the wool and work the skin on both the flesh and grain sides.
- Lime can be used or not in this part ofthe process, but I prefer not to use it; and, if desired, the skins can be bated before working, but it is not necessary.
- the aniline is added to give the skins a nice healthy color. I then put them into a stronger liquor of the same character, and let them lie until they become thoroughly saturated with the solution-the longer the better.
- the skins must be free from grease when the hot iron is put on them, or otherwise the leather will be burned; but if the grease is thoroughly removed there is no danger of burning the skin, no difference how hot the iron is. I keep ironing until the leather is uniform in color, flexibility, and finish.
- the leather is given a smooth gloss and lineiinish. It is made soft and pliable, but its fibers are not disturbed, and it is much stronger than ordinary tannedleather. It can be washed with soap or other cleansing substance, and stretched back to its original size and shape without injury. For these reasonsitis peculiarly adapted for glove, lace, and belt leather; but it is also useful for all purposes that leather can be used for.
- the process can be applied to all kinds of skins and hides.
- the process of tanning and finishing hides for leather which consists in soaking, breaking, resoaking, and then sweating them; seeondly, removing the wool, then pressingout the oil, and submerging them in a solution of alum, salt, gambier, and aniline; thirdly, putting them in a stronger solution of the same character, removing them from this and soaking them, and then oiling them on the grain side and drying them; fourthly, dampening them and then breaking and softening them; and, finally, chalking or soapstoning them and ironing them with 'hot irons, as set forth.
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.
SAMUEL BLOOM, OF SAN FRANCISCO, CALIFORNIA.
TANNING AND PREPARING LEATHER.
SPECIFICATION forming part of Letters Patent No. 230,225, dated July 20, 1880.
Application filed June 2, 1879.
To all whom it may concern:
Be it known that I, SAMUEL BLOOM, of the city and county of San Francisco, and State of California, have invented an Improved Process for Tanning and Preparing Leather; and I do hereby declare that the following is a full, clear, and exact description thereof.
This invention has relation to improvements intanning leather; and it consists of the hereinafterdescribed process, by which the leather is rendered peculiarly soft and pliable, thus rendering it especially valuable for glove, lace, and belt leather.
My process can be applied to the tanning of all kinds of skins, from the very light to the very heavy, and its application is accomplished as follows I take the dry or green skins and place them in water, in which I allow them to remain and soak over night. I then take them out and break them on the flesh side, and put them back into water again for a few hours say over night. I then take them out and hang and sweat them from thirty to forty-eight hours, according to the weather. Any practical tanner will understand this process and its necessities. In very cold weather I use steam in order to sweat the skins; but this is known to all tanners. I then take off the wool and work the skin on both the flesh and grain sides. Lime can be used or not in this part ofthe process, but I prefer not to use it; and, if desired, the skins can be bated before working, but it is not necessary. I then subject the skins to a pressing process, in order to express or remove the oil contained in them. I then place them in a vat, in a weak liquor or solution composed of alum, salt, and gambier, and a small portion of yellow aniline. The aniline is added to give the skins a nice healthy color. I then put them into a stronger liquor of the same character, and let them lie until they become thoroughly saturated with the solution-the longer the better. I then take them out and soak them in fresh water from three to five hours, to extract a portion of the liquor with which they have become impregnated. I then oil them on the grain side and dry them. Next I dampen them with water and break them, and then soften them. At this stage of the process the skins will have the drawn and crinkled appearance usual to skins which have been put through the tanning process. I then lay them down on a smooth table, with the grain side up, and rub a quantity of what is known as French chalk or white soapstone upon them. I then iron them with hot irons and pressure. This not only renders the skins soft and smooth, but forces the chalk or soapstone' into the pores of the leather, so as to make it water-proof.
The skins must be free from grease when the hot iron is put on them, or otherwise the leather will be burned; but if the grease is thoroughly removed there is no danger of burning the skin, no difference how hot the iron is. I keep ironing until the leather is uniform in color, flexibility, and finish.
By this process and method the leather is given a smooth gloss and lineiinish. It is made soft and pliable, but its fibers are not disturbed, and it is much stronger than ordinary tannedleather. It can be washed with soap or other cleansing substance, and stretched back to its original size and shape without injury. For these reasonsitis peculiarly adapted for glove, lace, and belt leather; but it is also useful for all purposes that leather can be used for. The process can be applied to all kinds of skins and hides.
Having thus described my invention, what I claim, and desire to secure by Letters Patent, is
The process of tanning and finishing hides for leather which consists in soaking, breaking, resoaking, and then sweating them; seeondly, removing the wool, then pressingout the oil, and submerging them in a solution of alum, salt, gambier, and aniline; thirdly, putting them in a stronger solution of the same character, removing them from this and soaking them, and then oiling them on the grain side and drying them; fourthly, dampening them and then breaking and softening them; and, finally, chalking or soapstoning them and ironing them with 'hot irons, as set forth.
In witness whereof I have hereunto set my hand and seal.
SAMUEL BLOOM. [L. s.] Witnesses:
' W. FLOYD DUOKETT,
D. B. LAWLER.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US230225A true US230225A (en) | 1880-07-20 |
Family
ID=2299602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US230225D Expired - Lifetime US230225A (en) | Samuel bloom |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US230225A (en) |
-
0
- US US230225D patent/US230225A/en not_active Expired - Lifetime
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