An Improved Process for the Decoration of China, Earthenware, Glass, Papier-mache, Enamelled Iron, Tin, and other Materials.
Year: 1898

page_text: Date of Application, 15th Mar., 1898
Complete Specification Left 10th Nov 1898 Accented 17th Don
1898
An Improved Process for the Decoration of China, Earthenware, Glass,
Papier-mache, Enamelled Iron, Tin, and other Materials.
I, PAUL RATAUD, of Woodside Villa, Longton, in the County of Stafford,
Manager, do hereby declare the nature of this invention to be as follows:-
My invention relates to a process for the decoration of china, earthenware,
glass, papier-maché, enamelled iron, tin, etc., by means of phototrichromaty,
photochromy, heliochromy or photo engraving.
In carrying my invention into practice I, firstly, get the design, picture or
subject required reproduced or etched on copper or zinc plates or on any other
suitable support by means of any of the above photo-mechanical processes either
in intaglio or in typo according to the subject, the number of plates varying
according to the number of colors necessary to reproduce the original design or
subject, except in the case where phototrichromatic plates are used, and in this
latter case only three plates are used, viz., one plate for yellow, one for red and
one for blue. When speaking of phototrichromatic plates, I mean what is known
in the trade as the three color process with plates done intaglio or typo according
to requirement.
When such plates are obtained I proceed as follows.
I pull one or several prints, as the case may be, off those plates with transfer
ink specially prepared for this kind of work; then I transfer those prints on to
litho-graphic stones and afterwards treat the stones in the usual way and print
from these stones in the same manner as is used. for ceramic, glass and other
transfer printing, either for on-glaze or under-glaze purposes.
The advantage of this process is the production with great facility of difficult
subjects by means of the mechanical processes above mentioned at little expense,
thus being able to reproduce or make duplicates of the original plates by means
of transfers on to large litho stones and to multiply the same subjects ad libitum..
Dated this 15th day of March 1898
r
30 An Improved Process for the Decoration of China, Earthenware, Glass,
Papier-mache, Enamelled Iron, Tin, and other Materials.
-
I, PAUL RATAUD, of Woodside Villa, Longton, in the County of Stafford,
Manager, do hereby declare the nature of this invention and in what manner the
[Price 8d.1

page_text: same is to be performed to be particularly described and ascertained in and by
the following statement:-
My invention relates to a process for printing transfers for the decoration of
china, earthenware, glass, papier-maché, enamelled iron, tin and other materials
by means of phototrichromaty, photochromy, heliochromy or photo engraving
intaglio.
In carrying my invention into practice I firstly get the design, picture or sub-
ject required, reproduced or etched on copper or zinc plates or any other suitable
support by means of any of the above photo mechanical processes in intaglio
according to the subject.
The number of plates varying according to the number of colours necessary
to reproduce the original design or picture or subject except in the case where
phototrichromatic plates are used and in this latter case only three plates are
used viz., one plate for yellow, one for red and one for blue, it is however some
times necessary to have a fourth plate called a key plate which is generally
printed with a black, a brown or a grey.
When speaking of phototrichromatic plates, I mean what is known in the
printing trade as the three colour process, with plates done intaglio; when such
plates are obtained, I can use them in two different ways for printing, viz: by
lithographic or intaglio printing. If lithography is chosen as a way of printing
I proceed as follows: I pull on lithographic transfer paper one or several prints
as the case may be off the above intaglio plates with an especially prepared ink,
such as is used in the trade, composed of lithographic transfer ink with an addi
tion of bitumen, wax, soap and Burgundy pitch in suitable proportions then I
transfer those prints on to lithographic stones and afterwards treat the stones in
the usual way, and print from these stones in the same manner as is in use for
ceramic glass and other transfer printing. The advantage of this process is the
reproduction with great facility of difficult subjects, designs or pictures, by
means of the photo mechanical processes above mentioned at little expense,
being able to produce or make duplicates of the original plates by means of
transfers on to large lithographic stones and to multiply the same subject
¡ad libitum.
If intaglio printing is selected which is the best method for under glaze and
single color purposes, duplicates of the original plates can be made by means of
electros or galvanos as is well understood if it is desirable to preserve the original
plates. The printing in this case is done in the usual intaglio way but of course
the colours must be mixed with boiled linseed oil.
In the case of printing in several colours that is to say in polychrome, it is
necessary after printing each colour, to go over them with some of the same
colour in dry powder or with some enamel or under glaze white as the case may
be or some suitable flux.
The paper used for this intaglio printing must be a tissue paper of the very finest
quality and must be coated with some flour or starch paste to which from
to 25% of sugar and from 3 to 10% of glycerine must be added according to the
temperature. Gelatine, dextrine or a strong solution of soft soap in water boiled
together for a little time may also be used for coating. When the paper has
been coated and when the coat is dry it must be well calendered several times it
is sometimes necessary to repeat the operation of coating and calendering as in
some cases several coats are necessary.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what D
claim is:-
1. The application and use of phototrichromatic, photochromic, héliochrome
and photo engraved intaglio plates for the purpose of producing trimffers for
the decoration of china, earthenware, glass, enamelled iron, tin and other
either in monochrome or polychrome as herein-set forth to QUATA materials
10 outca od oslosh ydered ob ‚192casM

page_text: 2. The improved process for the decoration of china, earthenware, glass,
papier-maché, enamelled iron, tin and other materials, consisting in the use of
transfers obtained from intaglio plates produced by phototrichromaty, photo-
chromy, heliochromy and photo engraving as herein set forth.
Dated this 10th day of November 1898
HARRIS & MILLS,
23, Southampton Buildings, London, W.C., Agents..