Improvements in or connected with Apparatus for Moulding and Drawing Ceramic Articles.
Year: 1895

page_text: Date of Application, 30th July, 1895
Complete Specification Left, 20th Apr., 1896-Accepted, 13th June, 1896
PROVISIONAL SPECIFICATION.
Improvements in or connected with Apparatus for Moulding and
Drawing Ceramic Articles.
I, HENRI STURM of 16 Rue Drouot Paris, in the Republic of France, Inventor,
do hereby declare the nature of this invention to be as follows:-
My invention has for its object a new or improved system of mechanical mould
capable of being adapted to all the drawing plates employed for making ceramic
products, and more particularly intended to effect the mechanical fabrication of the
ceramic articles described in my French Patent of 14th January, 1895, No. 241325
and in the Patent of Addition attached thereto.
These ceramic articles have longitudinal and lateral fitting-or covering-joints or.
lips for connecting each piece with a following one and the ordinary drawplate
does not admit of either these recesses or overlapping joints being obtained
mechanically. With a drawplate indeed a piece of any desired length may be
obtained but all the transverse sections which can be made must be alike and of
regular profile.
My new system of mechanical mould has for its object to avoid this drawback,
and to enable the ceramic part which forms the fitting or covering joint to be formed'
mechanically in a transverse direction to the drawing by means of the drawplate.'
It is composed of an arrangement of jaws formed of two parts male and female
capable respectively of being approached or separated so as to impart to the clay
the necessary form for constituting this fitting or covering joint.
I
The drawing plate properly so called is arranged in the ordinary manner.
arrange in the plane of the plate which constitutes it, a frame or casing on which the
movable parts which I shall now describe are mounted.
These parts are as follows:-
A first movable frame composed of two uprights forming part of or connected
with two horizontal parts, one of which has a slot in which a roller carried by a
movable lever (the action of which will be explained further on) may travel, the
other broader one serves for receiving the upper jaw which is fixed by any suitable
means and which carries a recessed impression of the fitting joint.
A second movable frame also formed of two vertical uprights and a horizontal
crosspiece in which a similar slot to that of the cross bar above described is
arranged, and which receives like the preceding one a roller also carried by the
movable lever. On this horizontal cross bar, the lower jaw is mounted and fixed
by any suitable means, which jaw by its combination with the upper jaw must
produce the part of the article intended to form the joint or fitting hereinbefore
mentioned.
The vertical uprights may slide respectively on the fixed frame in suitable
directions; they are for this object separated one from another by bars or ridges
and then held in place by covering strips fixed on the said bars.
1
.;
The two jaws receive respectively a rising and descending motion by means of a
lever connected with the movable lever and serving to impart to this latter an'
angular displacement round its fixed axis of rotation, whence there results by the
intermediary of the rollers a rising and falling movement of the two movable
frames, both approaching one another or separating simultaneously.
The working is self evident, the two jaws are first approached to one another
i

page_text: and the clay coming out under the action of the pressure which expels it, the part
forming the fitting or recessed joint is first formed and then the two jaws are
opened, and the article is drawn in the ordinary manner.
The cutting off is effected by means of the system generally employed and the
movement which produces it may be connected with that of the frames so that they
are effected simultaneously.
Dated this 20th day of July 1895
WM. P. THOMPSON & Co.,
Of 6, Lord Street, Liverpool, Agents for the Applicant.
improvements in or connected with Apparatus for Moulding and
Drawing Ceramic Articles.
I, HENRI STURM, of 16 Rue Drouot, Paris in the Republic of France, Inventor,
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 :-
My invention has for its object a new or improved. system of mechanical mould
capable of being adapted to all the drawing plates employed for making ceramic
products, and more particularly intended to effect the mechanical fabrication of the
ceramic articles described in my Patent No. 8365 of April 27th, 1895..
These ceramic articles have longitudinal and lateral fitting-or covering-joints
or lips for connecting each piece with a following one and the ordinary drawplate
does not admit of either these recesses or overlapping, joints being obtained
mechanically. With a drawplate indeed a piece of any desired length may be
obtained but all the transverse sections which can be made must be alike and of.
regular profile.
My new system of mechanical mould has for its object to avoid this drawback,
and to enable the ceramic part which forms the fitting or covering joint to be:
formed mechanically in a transverse direction to the drawing by means of the
drawplate. It is composed of an arrangement of jaws formed of two parts male
and female capable respectively of being approached or separated so as to impart
to the clay the necessary form for constituting this fitting or covering joint.
In order to allow of the invention being better understood, I will now refer to
the accompanying drawings, in which, as an example,
Figure 1, Sheet I, shows a transverse sectional view of a mould on my system,.
the section being made on the line 1-2 of Figures 2 and 3.
Figure 2, Sheet I, is a view in front elevation of the same mould shown in
a closed position ;
Figure 3, Sheet I, is a similar view of the mould when open;
I
The same reference letters represent the same parts in the various figures.
The drawing plate A properly so called is. arranged in the ordinary manner.
arrange in the plane of the plate which constitutes it, a frame or casing B on which.
the movable parts which I shall now describe are mounted.
These parts are as follows:-
A first movable frame composed of two uprights C forming part of or connected.
with two horizontal parts D D', one of which D has a slot in which a roller I
carried by a movable lever E (the action of which will be explained further on)
may travel, the other broader one D' serves for receiving the upper jaw F
which is fixed by any suitable means and which carries a recessed impression of
the fitting joint.
A second movable frame also formed of two vertical uprights G and a horizontal
crosspiece H in which a similar slot to that of the cross bar D above described

page_text: is arranged, and which receives like the preceding one a roller J similar to the-
roller I also carried by the movable lever E. On this horizontal cross bar H
the lower jaw L is mounted and fixed by any suitable means, which jaw by its.
combination with the upper jaw must produce the part of the article intended.
to form the joint or fitting hereinbefore mentioned.
The vertical uprights C G may slide respectively on the fixed frame B in suitable.
directions; they are for this object separated one from another by bars or ridges M
and held in place by covering strips N fixed on the said bars M.
The two jaws F and L receive respectively a rising and descending motion by
means of a lever O connected with the movable lever F and serving to impart:
to this latter an angular displacement round its fixed axis of rotation P, whence
there results by the intermediation of the rollers I and J a rising and falling
movement of the two movable frames respectively, both approaching one another:
or separating simultaneously as shown respectively by the figures of the drawing,.
Figures 1 and 2 showing the apparatus with the two jaws closed, Figure 3 with
the two jaws open, allowing the drawing plate to be seen between them.
The working is self evident, the two jaws are first approached to one another
and the clay coming out under the action of the pressure which expels it, the part
forming the fitting or recessed joint is first formed and then the two jaws are
opened, and the article is drawn in the ordinary manner.
The cutting off is effected by means of the system generally employed and the
movement which produces it may be connected with that of the frames so that they
are effected simultaneously.
Figures 4, 5, 6, 7, 8 and 9, Sheet II, represent respectively:
Figure 4 a plan view of a roof formed with ceramic tiles obtained by my system
of mould;
Figure 5 a longitudinal sectional view of the same taken on the line 1-2 of
Figure 4 in the case of a simple tile with iron rafters ;
Figure 6 a similar view in the case of a double tile ;
Figure 7 a similar view showing a roof made with simple tiles and wooden
rafters;
Figure 8 a transverse section on the line 3-4 of Figure 4, and
Figure 9 a similar section on the line 5-6 of Figure 4.
A are the rafters of the roof, which may be either of wood or iron as desired.
The panels B, formed in the manner specified in my Patent No. 8365 of
April 27th 1895, rest on these girders, and inay be single as shown in Figures 5, 7
and 9 or double in Figures 6 and 8, according to the purposes for which they are
intended. These panels or tiles made by a drawing plate have, as already
mentioned, lips 3 and ribs 4 formed by the drawing plate and intended to connect
the tiles with one another, also cavities 5 serving to form a joint with mortar or
otherwise.
The use of my improved system of mould allows separate joint covers to be
dispensed with, the tiles being connected in a suitable direction for allowing water
to run off, and the covers being replaced by fittings or coverings formed on the
tiles 6, 6', which themselves form joint covers running transversely to the direction
of drawing and capable of being produced mechanically during the drawing of the
article, in such a way that the latter emerges from the machine absolutely finished
and provided on its lateral face with lips and ribs serving to produce the fitting
together of the various lines of the tiles with one another, and on its outer face
with an enlarged cover joint at 6' as shown in the drawings in order to facilitate
its fitting to the tile placed immediately below it.
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 I
claim is :-
1. An improved mechanical mould for making ceramic products, characterized
by the combination with the ordinary parts constituting the drawing plate, of a

page_text: frame connected with it, or adapted to be attached thereto, and two frames movably
arranged on said frame and carrying suitable moulds, said two movable frames
receiving respectively by the action of suitably arranged levers, the one a rising and
the other a descending movement, or vice versa, which movements enable the clay,
on its exit from the drawing plate, to receive the necessary impression to form a
lip or fitting for two successive ceramic articles; the whole substantially as
herein before described and shown as an example in the accompanying drawings.
2. The various ceramic products capable of being obtained by the herein
described improvements in or connected with apparatus for moulding and drawing
ceramic articles, particularly characterized by the panels or tiles obtained by the
drawing plate being formed mechanically with cover joints arranged transversely
to the direction of drawing; substantially as herein before described and shown
as an example in the accompanying drawings.
Dated this 18th day of April 1896.
WM. P. THOMPSON & Co.,
Of 6 Lord Street, Liverpool, Agents for the Applicant.