Improved Means and their Manufacture for Effecting the Coloured Decoration of Pottery
Year: 1898

page_text: Date of Application, 10th Nov., 1898
Complete Specification Left, 10th Aug., 1899-Accepted, 7th Oct.,
1899
PROVISIONAL SPECIFICATION.
Improved Means and their Manufacture for Effecting the Coloured
Decoration of Pottery.
We, FREDERICK MOUNTFORD, of 55, Hartshill, Stoke-on-Trent, Staffordshire,
and a corporate body trading as B. DELLAGANA AND COMPANY LIMITED, of
1, Gresham Buildings, Basinghall Street, London, E.C., Stereotypers, do hereby
declare the nature of this invention to be as follows: —
This invention relates to the art of colouring curved or relief surfaces, such
as jugs, vases, or tiles, in pottery or ceramic ware, by means of colour, applied
either by hand with a brush, or in the form of spray, upon such parts of the
surfaces as are unprotected by a stencil plate, and consists of improved stencil
plates and their mode of manufacture to adapt them for use in directing the
colouring of such curved or relief surfaces in pottery or ceramic ware.
Where the surface of the pottery or ceramic ware is curved, and has a pattern
raised thereon in relief, an ordinary stencil plate cannot lie close or flat to such
curved or irregular surface, thus preventing the various colours from having a
clear and sharp definition, and affording no gauge or means for adjusting a series
of ordinary stencil plates in succession in exact register, which is important
where several colours are to be used in combination.
To overcome these objections to the ordinary stencil plate for such a purpose.
we proceed to form any required stencil plate by electric deposition in the usual
bath, directly upon the face of a sample or model of the curved or irregular face
of the piece of pottery, that it is afterwards desired to colour; or in the case of
flat tiles the stencil plate may be produced, as is the matrix in stero-typing.
We can either blank out such parts of the pattern, as it is required to leave blank
in the electro-typed stencil plate, so that no metal is deposited thereon, or we
can afterwards remove with ease these parts from the complete electrotype or
sterotype of the pattern as they are perfectly outlined in the facsimile copy.
Should any central part of the stencil be required to remain, though unsupported
directly from the remainder of the stencil plate, this may be done by connecting
the said central detached parts to the body of the stencil plate by arched wire
bridges at the back of the stencil plate. The thin electro-typed facsimile stencil
plate may be supported by a backing in the usual way, when required.
It is obvious that a stencil plate or a series of stencil plates with diverse parts
blanked or cut out, so produced from any moulded or irregular piece of pottery,
will absolutely reproduce exactly all the lines, reliefs, and irregularities of the
face of such piece of pottery, and the series of such facsimile intaglio stencil
plates may be applied in succession with diverse parts blanked out corresponding
to various colours to be applied, upon any number of similarly moulded pieces
of pottery, always in exact register to one another and to the pattern, by reason
of the engagement of the reliefs of the pattern in the intaglios of the facsimile

page_text: stencil plates. The facsimile intaglio stencil plate will also lie closely everywhere
to the face of the pottery.
By these means very perfect applications of a succession of colours to any
desired parts or portions of curved, relief, irregularly moulded pottery, can be
produced with absolute accuracy, by the application of colours by hand with
a brush, by machinery with a brush, or by hand or machinery with a sponge or
by spraying, and by the most unskilled of labour.
101
1
1000
FELL & JAMES,
1, Queen Victoria Street, London, E.C.,
Agents for the Applicants.
Improved Means and their Manufacture for Effecting the Coloured
Decoration of Pottery.
We, FREDERICK MOUNTFORD, of 55, Hartshill, Stoke-on-Trent, Staffordshire,
and a corporate body trading as B. DELLAGANA AND COMPANY LIMITED, of
1, Gresham Buildings, Basinghall Street, London, E.C., Stereotypers, do hereby
declare the nature of this invention and in what manner the same is to be per-
formed to be particularly described and ascertained in and by the following state-
ment:-
This invention relates to the art of colouring curved or relief surfaces, such
as jugs, vases or tiles in pottery or ceramic ware or any material having patterns
in relief, by means of colour, applied either by hand with a brush or in the
form of spray, upon such parts of the surfaces as are unprotected by a stencil
plate, and consists of improved stencil plates and their mode of manufacture
to adapt them for use in directing the colouring of such curved or relief surfaces.
Where the surface of the pottery or ceramic ware or material to be coloured
is curved or irregular or has a pattern raised thereon in relief, an odinary plain
stencil plate cannot lie close or flat to such curved or irregular surface, thus
preventing the various colours from having a clear and sharp definition, and
affording no gauge or means for adjusting a series of ordinary stencil plates' in
succession in exact register, which is important where several colours are to
be used in combination.
To overcome these objections to the ordinary stencil plate for such a purpose,
we proceed to form any required stencil plate by electro deposition in the visual
bath, directly upon the face of a sample or model of the curved or irregular
face of the material or body that it is afterwards desired to colour, or in the
case of flat tiles or surface the stencil plate may be produced as is the matrix
in stereo typing. We can either blank out such parts of the pattern, as it is
required to leave blank in the electro-typed stencil plate, so that no metal is
deposited thereon or we can afterwards remove with ease these parts from the
complete electrotype or stereotype of the pattern, as they are perfectly outlined
in the facsimile copy. Should any central part of the stencil be required to
remain, though unsupported directly from the remainder of the stencil plate;
this may be done by connecting the said central detached parts to the body of
the stencil plate by arched wire bridges at the back of the stencil plate. The
thin electrotyped facsimile stencil plate may be supported by a backing in the
usual way where required.
It is obvious that a stencil plate or a series of stencil plates with diverse parts
blanked or cut out, so produced from any curved or irregular piece of pottery

page_text: or relief patterned material will absolutely reproduce exactly all the lines,
reliefs, and irregularities of the face of the body and pattern upon the surface,
and the series of such facsimile intaglio stencil plates may be applied in succes-
sion with diverse parts blanked out, corresponding to various colours to be applied
upon any number of similarly moulded pieces of pottery, or similarly formed
material in relief pattern always in exact register to one another and to the
pattern, by reason of the engagement of the reliefs of the pattern in the intaglios
of the facsimile stencil plates. The facsimile intaglio plate will also lie closely
everywhere to the face of the material to be coloured.
By these means very imperfect applications of a succession of colours to any
desired parts or portions of curved, relief or irregularly moulded pottery or
material can be produced with absolute accuracy by the application of colours
by hand with a brush, by machinery with a brush, or by hand or machinery
with a sponge or by spraying and by the most unskilled of labour.
And in order that our invention may be the better understood we now proceed
to describe the same with reference to the drawings hereto annexed and to the
letters and figures marked thereon.
Figures 1, 2 and 3 show in elevation a series of half round stencil plates with
various blanks or excisions for various colours.
Figure 4 is a plan of any one of them.
Figures 5, 6 and 7 show in plan a series of flat stencil plates with various
blanks or excisions for various colours and
Figure 8 shows in elevation the wire bridges supporting disconnected parts
of the stencil.
In Figures 1, 2, 3 and 4 is shown a series of perfectly similar moulded stencil
plates of half round shape from an irregularly moulded or curved form or article
such as a jug, by electro deposition of a metallic film as before described, as an
example of the numerous cases in which these stencils can be profitably used
for art colouring.
Owing to the various irregularities and indentations and reliefs upon the
mould, from which the series of stencil plates are produced by electro-deposition,
it is obvious that any number of such stencil plates will all accurately fit to the
irregular surface of the mould or article and will all thereby be caused to lie
in exact register to the moulded pattern in relief.
Certain portions in each one of a series of such stencil plates are blanked out
during electro deposition or are afterwards excised with ease, following the
moulded pattern, so that various colours can be successively applied through
the open portions to their appropriate parts. As for instance, in Figure 1, the
leaves A only are blanked or excised. In Figure 2 the stalk B and centres of
flowers C are blanked or excised, and in Figure 3 the petals of the flowers 1) are
blanked or excised, the centres of the flowers C being covered by metal held in
place by wire bridges E.
Thus, various and appropriate colours can be easily and accurately applied
in any convenient way as aforesaid to the desired parts of an article which is
curved or has a pattern in relief upon it.
In Figures 5, 6 and 7 is shown a series of perfectly similar moulded stencil
plates from a tile, having a pattern in relief, by electro deposition of a metallic
film as before described, such indentations and reliefs forming excellent means
to ensure the exact register upon the pattern of any one of the series of stencil
plates.
In each plate diverse selected parts are blanked or afterwards excised so as
to permit the adaptation by any convenient means, as before described, of various
colours to desired parts of the tile.
In Figure 5 the parts F F of the pattern are excised or blanked, in Figure 6
the central portion G, is excised or blanked, and in Figure 7 various isolated
parts H, H, are alone covered by the stencil plate and are connected to the
frame, or to one another, by wire bridges H³, H³, seen in elevation in Figure S.

page_text: Having now particularly described and ascertained the nature of this inven-
tion and in what manner the same is to be performed, we declare that what
we claim is :-
1st. A mode of manufacture of a series of similarly moulded stencil plates
for the coloured decoration of curved, irregular, or flat surfaces, with relief
patterns thereon, consisting of the electro deposition of a metallic film upon the
properly prepared face of a sample surface or body, in the usual bath, and the
leaving blank during electro-deposition, or the after excision, of such parts of
the pattern as may be desired, substantially as and for the purposes described.
2nd. Stencil plates, adapted by electro deposition to closely fit over and upon
curved, irregular, or flat faces, having relief patterns thereon, so as to obtain
exact register in a series of such similarly produced metallic films, and having
blanks or excised holes therein, to admit the application of various colours to
desired parts of the patterns or body of the material or articles to be coloured,
substantially as described.
בד
101
1
1000
FELL & JAMES,
1, Queen Victoria Street, London, E.C.,
Agents for the Applicants.