Improvements in or relating to the Manufacture of Jacquard or similar Pattern Cards.
Year: 1896

page_text: Date of Application, 9th June, 1896
Complete Specification Left. 18th Mar., 1897-Accepted, 5th June, 1897
PROVISIONAL SPECIFICATION.
Improvements in or relating to the Manufacture of Jacquard or
similar Pattern Cards.
We, LUDWIG KLEINBERG Banker and JAN SZCZEPANIK Civil Engineer, both of.
1 Bartensteingasse 16, Vienna, in the Empire of Austria, do hereby declare the
nature of this invention to be as follows:-
The present invention relates to the manufacture of pattern cards applicable for use
for electrically controlled reading and cutting machines, as well as for jacquards in
which the shedding motion is controlled electrically, and for all weaving machines
which are controlled electrically by the pattern card.
According to this invention the pattern card is made of a conducting or
non-conducting plate or strip on which the parts adapted to interrupt the circuit are
produced in the manner hereinafter described.
When a conducting plate, or a non-conducting plate covered with a layer of
conducting material is used, a copy of the design or pattern is at first directly
produced on a transparent material by means of Indian ink or other opaque colouring
medium which is applied in places corresponding to the parts of the card which are to
be made electrically conductive, and of this drawing a photo print is taken on carbon
tissue. By the action of light the binding medium, between the layer of pigment and
the paper or pigment-support is dissolved in all places which have been exposed to the
sun's rays.
The carbon tissue is transferred under suitable pressure to the conducting support,
which for instance may be a metal plate or a non-conducting material covered with
tinfoil, whereby the carbon pigment is caused to adhere to the support at the places at
which the pigment has been exposed to light-that is to say the places corresponding
to the non-conducting parts of the pattern thereby producing the non-conducting
places on the card.
The pattern may be produced on either a conducting plate or on a non-conducting
one covered with a layer of conducting material by covering it with an emulsion
sensitive to light (such for instance as asphalte gelatine, albumen) and the drawing
made directly from the design is placed over that emulsion and after exposure to light
the drawing on the emulsion is developed in any well-known manner, such for instance
as in etching on zinc.
Should the pattern be produced on a non-conducting material, such for instance as
paper, linen etc., this material is covered by a layer of gelatine or gum, which is
metallized or rendered electrically-conductive in well known manner and made
sensitive to light by covering it with an emulsion, after which the drawing made from
the pattern is applied to it and it is exposed to light and then developed by a suitable
re-agent according to the manner in which it is inetallized.
Dated this day the 4th of June 1896.
BOULT & WADE,
Agents for the Applicants.

page_text: COMPLETE SPECIFICATION.
Improvements in or relating to the Manufacture of Jacquard or
similar Pattern Cards.
We, LUDWIG KLEINBERG, Banker, and JAN SZCZEPANIK, Civil Engineer, both of
1 Bartensteingasse 16, Vienna, in the Empire of Austria, do hereby declare the
nature of the said invention, and in what manner the same is to be performed to be
particularly described and ascertained in and by the following statement:-
The present invention relates to the manufacture of pattern cards applicable for use
for electrically controlled reading and cutting machines, as well as for jacquards in
which the shedding motion is controlled electrically, and for all weaving machines
which are controlled electrically direct by the pattern card.
According to this invention the pattern card is made of a conducting or
non-conducting plate or strip on which the parts adapted to interrupt the circuit are
produced in the manner hereinafter described.
When a conducting plate, or a non-conducting plate covered with a layer of
conducting material is used, a copy of the design or pattern is at first directly
produced on a transparent material by means of Indian ink or other opaque colouring
medium, which is applied in places corresponding to the parts of the card which are to
be electrically-conductive, and of this drawing a photo print is taken on carbon
pigment paper. By the action of light the pigment is rendered insoluble in all places
which have been exposed to the sun's rays.
The carbon piginent paper thus prepared is then transferred under suitable
pressure to the conducting support, which, for instance may be a metal plate, or a
non-conducting material covered with conducting-metal foil, whereby the layer of the
carbon pigment adheres to the conducting support at the places at which the
pigment has been exposed to light-that is to say the places corresponding to
the non-conducting parts of the pattern, thereby producing the non-conducting places
on the card.
The pattern may be produced on either a conducting plate or on a non-conducting
one covered with a layer of conducting material by covering it with a coating or
emulsion sensitive to light (such for instance as sensitised asphalte, gelatine, albumen)
and the drawing made directly from the design is placed over this cating and after
exposure to light the plate or surface is treated in any well-known manner, such for
instance as in etching on zinc whereby the drawing transferred upon the sensitive
layer is developed.
Should the pattern be produced upon a non-conducting material such for instance
as paper, linen etc. this material is covered by a layer of gelatine or gum, which is
metallised or rendered electrically-conductive in well-known manner and made
sensitive to light by covering it with sensitive coating or emulsion, after which the
drawing made from the pattern is applied to it, exposed to light and then developed
by a suitable reagent according to the process employed.
As will be seen from the above description two modifications of the photographic
process are employed
1) By means of carbon-pigment-paper &
2) By means of a sensitive coating or emulsion applied direct on the support formned
by a metallic or metallised plate.
In carrying out the first named modification of the process, the proceeding is exactly
the same as that employed for making the so-called "blue prints," with the exception
that instead of sensitizing the paper by the commonly used ferrous salts the sensitive
surface is obtained by covering the sheet of paper with a thin layer of gutta-percha (as
a binding agent), upon which a coating of a mixture of gelatine with finely divided

page_text: carbon (e.g. lamp-black) is applied. This latter coating is sensitized by bi-chromate of
potash. The design made upon some transparent material in some opaque.colour (fr
instance made in Indian ink on tracing.cloth) is placed upon the sensitized carbon-
pigment paper and exposed to the light. By the action of the light those parts of-the
carbon pigment, which have been exposed to the light become oxidized and are
rendered insoluble in water, whilst those parts of the carbon pigment, which have been
during the exposure protected from the action of the light by the opaque lines of the
superposed drawing, remain soluble as before.
After the exposure to light, the design is removed from the carbon-pigment paper
the latter slightly moistened with cold water and then placed upon the metallic or
metallized plate and firmly pressed in contact. In consequence of the strong pressure
the carbon pigment paper is caused to adhere firmly to the metallic or metallized plate.
The metallic or metallized plate, with the carbon pigment paper pressed upon it is then
placed in warm water. By the action of the warm water the adherence which existed
between the paper and the carbon-pigment layer is loosened so that after the plate has
remained a sufficiently long time in the warm water, the paper can be removed from it
and the whole layer of the carbon pigment will remain pressed onto the metallic or
metallized plate. The plate is then thoroughly washed in water, so that those parts of
the carbon pigment layer which have not been exposed to the light and which in their
entirety correspond to the design previously made upon the tracing cloth, become
dissolved in the water, whilst all other parts remain adhering to the plate. The plate
thus prepared is then placed in an alum bath and left therein for a sufficient length of
time, whereby the layer of carbon pigment which remains adhering to the plate is
strengthened and hardened.
According to the second process a metallic or metallized plate is covered with a
layer of sensitized material (sensitized albumen gelatine etc.) and the drawing made
after the design (for instance made in Indian ink on tracing cloth) applied on it,
whereupon the whole is exposed to the light. After the exposure the tracing cloth is
removed and the plate is washed with warm water, which will dissolve the parts of the
sensitized layer which have not been exposed to the action of light. Finally the plate.
thus prepared is placed in a bath containing a solution of alum as herebefore
described.
(Instead of a metallized plate any other metallized surface, such as a sheet of
metallized paper or a strip of metallized linen, may be employed and treated in exactly
the same manner as above described.)
In either of the two cases described above a pattern is obtained consisting in a
metallic or metallized plate on which the parts representing the design have a metallic
surface and are therefore conductive, whilst the remainder of the plate, i.e. all parts
outside the design, are non-conductive.
Having now particularly described and ascertained the nature of the said inven-
tion, and in what manner the same is to be performed we declare that what we
claim is:
1. The manufacture of jacquard or similar pattern cards for electrically operated
looms and cutting and reading machines consisting in providing an electrically
conducting plate, or a non-conducting plate covered with a conducting material, with
non-conducting portions for interrupting the current in accordance with the design
required, the cards being formed by producing a drawing of the design in opaque
colour on a transparent or translucent material and by making a photo print of said
drawing on sensitized carbon pigment paper or on a similar light sensitive material
and applying it to the conducting surface, or to the surface rendered conductive, the
pigment paper thus prepared being transferred under pressure upon the conducting
plate so that the portions which have been exposed to light remain adhering to the
plate, substantially as described.
2. In the process described the use of an electrically conducting plate or surface, or
a surface rendered electrically conductive, provided with a sensitized coating or
emulsion, exposing said sensitized surface to light under the required design made

page_text: upon a transparent or translucent material, substantially as and for the purpose
described.
3. A pattern card for use in Jacquard looms produced in the manner substantially
as described.
BOULT & WADE,
Agents for the Applicants.