US301953A - Albeet boulay - Google Patents

Albeet boulay Download PDF

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US301953A
US301953A US301953DA US301953A US 301953 A US301953 A US 301953A US 301953D A US301953D A US 301953DA US 301953 A US301953 A US 301953A
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colors
printing
boulay
papers
albeet
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00Inking and printing with a printer's forme
    • B41M1/14Multicolour printing
    • B41M1/18Printing one ink over another

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  • the basis of my dyes consists of anilines, which I dissolve in a concentrated solution of boiling potash. I develop each color after the solution becomes cold by adding a few drops of acetic acid, after which it is filtered, and the colors are ready for use.
  • the potash used in making my colors when in the presence of the alum, forms a gelatinous aluminum, which affords solidity, purity of tone, and brilliancy to the colors.
  • blue printed on yellow forms green; red on yellow, orange, &c., and the superposition of these colors in various proporti ons gives varieties of tints or shades to the different colors.
  • the paper is dried immediately with a roll of blotting-paper, in order to remove the excess of dye, and it can then be rolled without the heating and drying hitherto necessary.
  • the advantages of my invention are, therefore, first, to dispense with the first operation of grounding, as Iuse whitepaper; second, to substitute for hand-engraving the less expensive and more expeditious method of electro-engraving on zinc; and, third, to diminish the labor of printing, inasmuch as my method of combining colors enables me to dispense with a large number of blocks or cylinders heretofore necessary.

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  • Printing Methods (AREA)

Description

UNITED ST TES PATENT OFFICE.
ALBERT BOULAY, OF NEW YORK, N. Y.
MANUFACTURE OF COLORED WALL-PAPERS.
SPECIFICATION forming part of Letters Patent No. 301,953, dated July 15, 1884:.
Application filed June 9, 1884. (Specimens.)
To all whom it may concern:
Be it known that I, ALBERT BOULAY, acitizen of the Republic of France, (who has declared his intention of becoming a citizen of the United States,) residing in the city, county, and State of New York, have invented certain new and useful Improvements in the Manufacture of Colored Wall-Papers; and I do hereby declare that the following is a full, clear, and exact description of my invention, which will enable others skilled in the art to which it appertains to make and use the same.
In the manufacture of colored wall-papers as nowrpracticed the white paper is first coated with a uniform tint called the ground 7 before any of the figured colors are put on. This is done by machine. The paper cannot be rolled until perfectly dry, and a very high temperature and the employment of a considerable number of persons are necessary for that purpose, and the losses during drying,
both accidental and caused by the negligence of employs, are considerable, and as it is necessary to have on hand a great variety of ground tints, this operation requires a large stock of colored papers. When the designs for the colored figures are out of the hands of i the designers, they are handed to persons to be placed on wooden blocks or cylinders to be used in the printing. For this purpose each color of the design isdrawn, and the outlines of the same are reproduced on as many blocks or cylinders as there are colors. Each color is printed separatelyby a long, expensive, and oftentimes inaccurate operation. The blocks or cylinders are then given to engravers to be engraved. The colors used for the printing are generally in the form of paste mixed with glue. The engraving must therefore have enough relief for the purpose of printing to prevent the details of the colors from blending.
In my invention I have substituted engraving by the electrochemical process; but in order to adapt this process .to the purpose I have had to invent colors which are sufiiciently clear and also sufficiently strong to print with the small relief possessed by plates engraved by the electrochemical process. After much research and many experiments, I have succeeded in finding a composition which diing of textile fabrics) any mordant or thickemng.
The basis of my dyes consists of anilines, which I dissolve in a concentrated solution of boiling potash. I develop each color after the solution becomes cold by adding a few drops of acetic acid, after which it is filtered, and the colors are ready for use.
As the white papers used inthe manufacture of wall-paper are strongly alumnized, the potash used in making my colors, when in the presence of the alum, forms a gelatinous aluminum, which affords solidity, purity of tone, and brilliancy to the colors. I print the colors directly on white paper, without the ground heretofore necessary, and, as my colors are transparent, one color is printed over another, whereby I obtain different colors by combination. Thus blue printed on yellow forms green; red on yellow, orange, &c., and the superposition of these colors in various proporti ons gives varieties of tints or shades to the different colors. After the printing, the paper is dried immediately with a roll of blotting-paper, in order to remove the excess of dye, and it can then be rolled without the heating and drying hitherto necessary.
The advantages of my invention are, therefore, first, to dispense with the first operation of grounding, as Iuse whitepaper; second, to substitute for hand-engraving the less expensive and more expeditious method of electro-engraving on zinc; and, third, to diminish the labor of printing, inasmuch as my method of combining colors enables me to dispense with a large number of blocks or cylinders heretofore necessary.
Having fully described my invention,what I claim is- 1. The process of printing wall-papers by the use of aniline dyes or colors dissolved in boiling potash and developed by the addition of acetic acid, substantially as and for the purposes described.
2. The process of printing wall-papers by the use of aniline dyes or colors dissolved in boiling potash and developed by the addition of acetic acid, whereby the foundation or ground -be used for the purpose of stamping or printing the colors, substantially as and for the purposes set forth.
4. In the process of printing wallpapers, the adaptation of engraving by the electrochemical process by the use of aniline dyes or colors, substantially as and for the purpose described.
5. In the process of printing wall-papers, the superseding of and dispensing with the foundation or ground color heretofore necessary, substantially as and for the purposes described.
6. In the process of printing wall-papers, the use of combination and superposed colors, whereby thclabor of printingis lessened, sub stantially as and for the purpose set forth.
ALBE l'l BOULAY.
\Vitnesscs:
hills. A. FRA'KE, Gnoncn KANE.
US301953D Albeet boulay Expired - Lifetime US301953A (en)

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