IMPROVEMENTS IN PRINTING TEXTILE FABRICS
Year: 1877

page_text: LETTERS PATENT to James Chadwick, of the Spring Brook Print Works,
Chadderton, in the County of Lancaster, for the Invention of "IMPROVEMENTS
IN PRINTING TEXTILE FABRICS." A communication from abroad by James
Harley, of Lowell, Massachusetts, United States of America.
Sealed the 17th July 1877, and dated the 20th January 1877.
PROVISIONAL SPECIFICATION left by the said James Chadwick at the Office
of the Commissioners of Patents on the 20th January 1877.
JAMES CHADWICK, of the Spring Brook Print Works, Chadderton, in the County
of Lancaster. " IMPROVEMENTS IN PRINTING TEXTILE FABRICS." A communica-
tion from abroad by James Harley, of Lowell, Massachusetts, United States of
America.
This improvement is in relation to the one for which Letters Patent were granted
to me bearing date the Twenty-first day of February, in the year of our Lord One
thousand eight hundred and seventy-six, No. 717, being, like the present one, a
cominunication from the said James Harley, of Lowell, U.S.A., and consists in
printing or applying fast greens, blues, violets, or purples, known by the names of
iodine or methyl green, blue, and violet colours on textile fabrics either by them-
selves or in combination with or simultaneously with alizarine or madder extract
colours, or any other colours which after printing have to be aged, steamed, and
soaped, or washed off.
The Invention is carried out as follows:-I take for my green or blue colour at
the rate of about one gallon of sumac extract, one gallon of acetic acid, two gallons
of water, eight pounds of crystal starch; boil, then add two pounds of tartaric acid;
cool, then add twelve ounces of methyl green. The colour is then ready for printing
on the cloth.
To make my blue and purple I take at the rate of one gallon of sumac extract,
one gallon acetic acid, two gallons water, eight pounds of crystal starch; boil, then
add two pounds of tartaric acid; cool, then add aniline purple or blue, according to
shade required. This colour is then ready for printing on the cloth. I take cloth
which has been bleached, and pass it on to the printing machine, where the colours
are printed on. Tho printed cloth is then aged by hanging up two or three days,
or passed through an ageing machine. The printed cloth is then steamed, and
[Price 211

page_text: afterwards passed through the soaping or washing operations, and finished in the
usual manner of printed fabrics.
SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said James Chadwick in the Great Seal Patent Office on the 20th July
1877.
JAMES CHADWICK, of the Spring Brook Print Works, Chadderton, in the County
of Lancaster. "IMPROVEMENTS IN PRINTING TEXTILE FABRICS." A communi-
cation from abroad by James Harley, of Lowell, Massachusetts, United States of
America.
This improvement is in relation to the one for which Letters Patent were granted
to me bearing date the 21st day of February 1876, No. 717, being, like the present
one, a communication from the said James Harley, of Lowell, United States of
America, and consists in printing or applying fast greens, blues, violets, or purples,
known by the name of iodine or methyl greens, blues, and violet colours on textile
fabrics, either by themselves or in combination with or simultaneously with alizarine
or madder extract colours, or any other colours which after printing have to be aged,
steamed, and soaped, or washed off.
The Invention is carried out as follows:-I take for my green colour at the rate
of about one gallon of sumac extract, one gallon of acetic acid, two gallons of water,
eight pounds of crystal starch; boil, then add two pounds of tartaric acid; cool,
then add twelve ounces of methyl green. The colour is then ready for printing on
on the cloth.
To make my blue and purple I take at the rate of one gallon of sumac extract,
one gallon acetic acid, two gallons! water, eight pounds crystal starch; boil, then
add two pounds of tartaric acid; cool, then add aniline purple or blue, according to
shade required. The colour is then ready for printing on the cloth. I take cloth
which has been bleached, and pass it on to the printing machine, when the colours
are printed on. The printed cloth is then aged by hanging up two or three days, or
passed through an ageing machine. The printed cloth is then steamed, and after-
wards passed through the soaping or washing operations, and finished in the usual
manner of printed fabrics.
Having now described the nature and particulars of the said Invention, I desire
it to be understood that I do not confine myself to the exact proportions or materials
herein before described, as an expert chemist may substitute materials for many of
them, but what I claim is,-
First. The improved process of making iodine or methyl greens, violets, and blue
colours fast by the means described.
Secondly. Printing in fast iodine or methyl greens, violets, and blues, fixed
as described, either alone or in combination with alizarine or madder extract
colours, or any other colours which are aged and steamed after printing without
being dyed.
In witness whereof, I, the said James Chadwick, have hereunto set my hand
and seal, this Third day of July, in the year of our Lord One thousand
eight hundred and seventy-seven.
Witness,
G. SEPTIMUS HUGHES,
Patent Agent,
Manchester.
JAMES CHADWICK. (L.S.)