Year: 1887

page_text: Date of Application, 3rd Nov., 1887
Complete Specification Lett, 30th July, 1888
Complete Specification Accepted, 31st Aug., 1888
We, JEREMIAH JAMES COLMAN, FREDERICK EDWARD COLMAN, JEREMIAH COLMAN,
and RUSSELL JAMES COLMAN all of Norwich, Manufacturers, do hereby declare the
nature of this invention to be as follows:-
This invention has for its object an improved Sinapism.
The improved sinapism consists of compressed flour of mustard seed enclosed
between two pieces of muslin or like fabrics embossed to obtain more complete
adhesion. The sinapism is protected on either side by a covering of waterproof paper
attached by sewing. The fabrics covering the two sides are one coarser than the
other, so that one side of the sinapism is more energetic than the other. These fabrics
prevent the blistering or scorching of the skin which generally results from the direct
application of mustard.
The sinapism is used in the following manner :-one of the paper coverings is torn
off to expose either the more or the less energetic side, as may be expedient; then the
sinapism is dipped into water, and, when saturated, it is applied to the bare skin.
The waterproof paper serves two purposes-it preserves indefinitely the sinapism until
required for use, and when in use it prevents the escape of the active and beneficial
properties of the mustard from the back of the Sinapism, which, if permitted, would
not only soil the garments, but would render the sinapism less efficacious.
Dated this 21st day of October 1887

page_text: We, JEREMIAH JAMES COLMAN, FREDERICK EDWARD COLMAN, JEREMIAH COLMAN,
and RUSSELL JAMES COLMAN all of Norwich, Manufacturers, do hereby declare the
nature of this invention and in what manner the same is to be performed to be
particularly described and ascertained in and by the following statement :-
This invention has for its object an improved sinapism.
The improved sinapism consists of compressed flour of mustard seed enclosed
between two pieces of muslin or like fabrics and embossed to obtain more completo
adhesion.
In order that our said invention may be fully understood and readily carried into
effect we will proceed to describe more in detail the manner in which we prefer to
operate in the manufacture of our improved sinapism.
We provide two metal plates of any convenient dimensions and on these plates there
is the pattern which we desire to emboss upon the sinapisms. The one plate is the
counterpart of the other. As the object of the embossing operation is not to ornament
the articles but to obtain a more perfect adhesion of the two fabrics with the mustard
between them a small simple pattern is the most, suitable, say for example, on the one
plate hollows 4m.m. square and separated by narrow ridges; whilst on the other
plate projections corresponding to the hollows of the first plate and vice versa.
A powerful press is provided and in this press the plates are placed. On the lower
plate a fine closely woven cotton fabric is laid and on this mustard powder finely
ground is evenly placed, a suitable proportion is from 4 to 5 grammes of mustard
powder to one square decimeter of surface. Over the mustard powder an upper fabric
is laid and this preferably is more openly woven than the lower fabric. The upper
plate is then closed down and the pressure is applied.
When the fabrics are removed from the press they will be found to adhere firmly
the one to the other.
Sometimes to prepare the sinapisms for the market we simply divide the sheets into
pieces of suitable size and enclose them in air tight envelopes and wrappers. At other
times after removing the fabrics from the press they are placed between sheets of thin
waterproof paper or parchment paper and the whole is sewn through in a sewing
machine with parallel lines of stitches so that when the sheet is cut up into pieces of
the dimensions required there will be a line of stitches close to each side of each of the
sinapisms. The dimensions of the sinapism which we find most suitable are 115 m.m.
long by 72 m.m. wide but other and larger sizes are made. Upon the waterproof
paper or upon the wrapper we print suitable directions for use.
The sinapism is used in the following manner those made without covering need
simply a momentary immersion in water, then to be applied to the part and covered
with a napkin. If the covered sinapism be used then one of the paper coverings is
torn off to expose either the more or the less energetic side, as may be expedient;

page_text: the sinapism is dipped into water and, when saturated, it is applied to the bare
skin.
Having now particularly described and ascertained the nature of our said inven-
tion and in what manner the same is to be performed, we declare that what we
claim is
1. Our improved sinapism consisting of mustard powder consolidated by pressure
between two fabrics.
2. Our improved sinapism consisting of mustard powder consolidated by pressure
between two fabrics the one open and the other closely woven whereby at the will of
the user a strong or a mild action of the sinapism may be ensured.
Dated this 30th day of July 1888.
CARPMAEL & Co.,
Agents.
CARPMAEL & Co.,
Agents.