USRE5053E - Improvement in coloring tanned leather - Google Patents
Improvement in coloring tanned leather Download PDFInfo
- Publication number
- USRE5053E USRE5053E US RE5053 E USRE5053 E US RE5053E
- Authority
- US
- United States
- Prior art keywords
- coloring
- leather
- improvement
- tanned leather
- composition
- Prior art date
Links
- 239000010985 leather Substances 0.000 title description 26
- 238000004040 coloring Methods 0.000 title description 24
- 239000000203 mixture Substances 0.000 description 16
- 239000006233 lamp black Substances 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 239000003208 petroleum Substances 0.000 description 8
- 239000004215 Carbon black (E152) Substances 0.000 description 6
- 150000002430 hydrocarbons Chemical class 0.000 description 6
- 235000021323 fish oil Nutrition 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003760 tallow Substances 0.000 description 2
Definitions
- My invention consists in the application of petroleum or other oily hydrocarbon, in combination with lamp-black or other suitable coloring matter, to the coloring of tanned leather; which is eflected by this composition more rapidly and thoroughly and more cheaply than by that usually employed.
- the last process in the currying of leather is termed blackin g or coloring; and has, prior to' my invention, been accomplished by rubbing on the flesh side of the leather, with a hard brush, a coloring composition consisting of fish-oil and lamp-black after which is applied, with a brush or sponge, a coat of stiff size or tallow and when this is dry the surface of the leather is rubbed with a smooth block of glass or its equivalent. It is important that the color should penetrate the leather thoroughly and rapidly.
- This composition penetrates the leather with very great rapidity, and the coloring of the leather is accomplished thereby not only in less time and at less expense, but more efficiently than by the usual composition.
Description
UNITED STATES PATENT OEEIoE.
BENJAMIN H. LIGHTFOOT, OF PHILADELPHIA, PENNSYLVANIA.
IMPROVEMENT IN COLORING TANNED LEATHER.
Specification forming part of Letters Patent No. 41,011, dated December 22, 1863; reissue N0. 5,05 3, dated September 10, 1872, j
Specification describing an Improvement in and Composition for Coloring Tanned Leather, invented by BENJAMIN H. LTGHTF00T, of Philadelphia, county ofPhiladelphia, State of Pennsylvania. 1
My invention consists in the application of petroleum or other oily hydrocarbon, in combination with lamp-black or other suitable coloring matter, to the coloring of tanned leather; which is eflected by this composition more rapidly and thoroughly and more cheaply than by that usually employed.
The last process in the currying of leather is termed blackin g or coloring; and has, prior to' my invention, been accomplished by rubbing on the flesh side of the leather, with a hard brush, a coloring composition consisting of fish-oil and lamp-black after which is applied, with a brush or sponge, a coat of stiff size or tallow and when this is dry the surface of the leather is rubbed with a smooth block of glass or its equivalent. It is important that the color should penetrate the leather thoroughly and rapidly.
After repeated experiments I found that the best coloring Vehicle was ordinary petroleum; or, in place of the latter, any other oily hydrocarbon, mixed with lamp-black or other suitable coloring matter. About thirteen ounces of lamp-black and a gallon of petroleum, well mixed together, form a suitable composition, which may be applied to the leather in the usual way.
This composition penetrates the leather with very great rapidity, and the coloring of the leather is accomplished thereby not only in less time and at less expense, but more efficiently than by the usual composition.
Claims.
I 1. The application of petroleum or any other oily hydrocarbon, in combination with lampblack or other coloring matter, to the coloring of tanned leather.
2. As a new article of manufacture, tanned leather, colored by the application of petrole-
Family
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