IMPROVEMENTS RELATING TO THE DYEING OF SILK, WOOL AND OTHER SUBSTANCES to be as follows
Year: 1885

page_text: :
I, WILLIAM ROBERT LAKE, of the firm of Haseltine Lake, & Co, Patent Agents,
Southampton Buildings, in the County of Middlesex do hereby declare the nature
of my invention for "IMPROVEMENTS RELATING TO THE DYEING OF SILK, WOOL
AND OTHER SUBSTANCES to be as follows:-
"
The improved process of dyeing to which this invention relates, consists
essentially in the employment of a bath of chicory root. The chicory root is
caused to become brown in the oven; it is then pounded and thrown or otherwise
introduced into the water of the bath, whilst boiling. The proportion of chicory
root is about a glass for every litre of water.
The objects to be dyed are plunged into this boiling bath and are put in motion,
always in the same direction; they receive a slight tint which becomes accentuated
as the duration of the immersion increases, and passes from straw colour to dark,
chestnut-brown.
.
The objects when taken out of the said bath are immediately steeped in a bath
of fresh water, and are then allowed to dry.
t
This process is applicable to any objects to be dyed, such as silk, wool, cotton,
any textile fabric, felt, straw, and other materials or objects capable of being dyed.
It should be stated that when chicory root is not obtainable, the product
designated in commerce by the name of chicory can be employed.
-
The residuum of the dyeing bath serves as a waxing material or polish, which
shines without rubbing under the simple action of any cloth.
Dated this 2nd day of November 1985
HASELTINE, LAKE & Co.,
For the Applicant.

page_text: Substances.
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I, WILLIAM ROBERT LAKE, of the firm of Haseltine, Lake & Co, Patent Agents,
Southampton Buildings, in the County of Middlesex do hereby declare the nature
of this invention and in what manner the same is to be performed, to be par-
ticularly described and ascertained in and by the following statement :-
"
This invention relates to the dyeing of silk, wool and other substances, and
comprises an improved process which consists essentially in the employment of a
bath composed of chicory root browned in an oven and pounded; the proportions
used are about one glass of the chicory powder to each litre of water. The water
is first boiled and then chicory is added thereto, and the whole is boiled for about
six minutes and is then put into the bath. When this operation has been
effected, the bath is again brought to the boiling point and the objects to be dyed
are plunged therein and are constantly turned.
The said objects gradually receive the colour. It requires two or three minutes
for straw-colour, and the longer the duration of the immersion the darker will be
the colour obtained. A dark chestnut-brown can, if desired, be thus obtained.
The objects when taken out of the bath are immediately steeped in a bath of
fresh water, and are then again dyed; great brilliancy is thus imparted to silks
and woollen goods.
Instead of chicory root, packets of chicory such as are used in commerce may be
employed.
This dyeing has been tested and does not change. It is applicable to silk, wool,
cotton, to any textile fabric, to felt, straw and other materials or objects, It
imparts a new appearance to lace already bleached. Upon white felt hats, it
produces a beaver grey tint; upon green silk a peach colour; upon rose a very
beautiful tint a little darker than straw-colour; upon red a purple colour. It
imparts to hats of hare's skin a very clear straw-colour, moreover, as they are
very often marbled, the bath renovates them and softens them, if the precaution is
taken of always turning them in the same direction at the moment of the
principal ebullition. The residue of the dyeing bath can be used as blacking or
as a polish.
.ĭ
I have herein before described the use of the bath while hot, but it is sometimes
used cold. All the products to be dyed are introduced into the bath of chicory
whether hot or cold, and the said invention affords the advantage that the colours
are imparted to the different substances without the use of either acid or soap.
By this process all colours can be obtained on any materials.

page_text: Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed, as communicated to
me by my Foreign Correspondent, I declare that what I claim is :-
The improved process of dyeing silk, wool or other substances by means of
chicory, substantially as above set forth.