Year: 1899

page_text: 1
I, FRITZ CARL REINCKE, Engineer, of the Firm of F. C. Reincke and Company,
Engineering Works, of Stettin, in the Empire of Germany, do hereby declare the
nature of this invention to be as follows:-
The subject of the present invention is an apparatus for the manufacture of
artificial stones, which admits of solid stones being obtained, not porous and of
a slight thickness, by means of a condensation or compression of mortar or cement
and the withdrawal or exhaustion of the air contained in it, previously to com-
pression.
The apparatus comprises a mixing machine formed in two parts: the first part
comprising a table upon which can be introduced laterally, by means of a dovetail,
the mortar or cement mould in the bottom of which is placed a steel plate. Upon
this plate is placed the mortar or cement to be treated, and upon this mortar or
cement, in the mould, and sliding water tight in the latter, a piece provided with.
recess which communicate at their lower portions with the part of the mould
containing the mortar or cement, and at its upper portion with a pipe for exhausting
the air. The hereinabove mentioned table is mounted upon a stem of a cylindrical
form which enters a cylinder which latter forms the upper portion of the second
part of the mixing machine.
This stem carries a piston traversed by a curved passage, one of the orifices of
which opens out at the cylindrical wall of the piston, and the other at the lower
face of the said piston. The stem or rod of the piston is provided with a passage
connected, under the base of the casting carrying the cylinder and cast in one
piece with it, with a flexible escape or outlet pipe.
On the side of the cylinder is arranged, cast in one piece therewith, a cylinder
which communicates with the hereinbefore mentioned exhaust or suction tubes by
means of a flexible tube, and in this cylinder is arranged to work a piston moved
or operated by a stem or rod connected to one of the parts existing under the
herein before mentioned table.
a
Compressed air, steam, or water under pressure, is delivered to the cylinder by
tube which is connected to it, and pushes or forces the piston
from the first cylinder mentioned towards the top. This movement
uncovers the outlet or escape aperture formed in the steni or rod of the above
mentioned piston and the stem or rod of the piston under the action of a spring
roller descends again. The port or vent hole in the piston then uncovers the
admission orifice, admitting therefrom the motive fluid and effecting a fresh
rise of the piston, and so on, whilst the piston for the suction or exhaustion. and
for the driving or forcing back of the air moves parallel with it.
The result of the above described operations is the condensation or compression
upon its two faces of the slab of mortar or cement placed in the mould and pro-
vided interiorly with a metallic lining, and the elimination of the atmospheric

page_text: air and of the moisture contained in the said mortar or cement, before subjecting
it to pressure.
h
J. P. BAYLY,
18, Fulham Place, London, W.,
Agent for the Applicant.
COMPLETE SPECIFICATION...
Improvements in Machines for the Manufacture of Artificial Stones.
I, FRITZ CARL REINCKE, Engineer, of the Firm of F. C. Reincke -and-Company,
Engineering Works, of Stettin, Germany, 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: -
In the manufacture of facing or paving plates or-tiles- of artificial stone-and
more particularly in the manufacture of artificial lithographical--stone-and the
-like, it has hitherto been found-impossible to avoid the occurrence of pores in the
product, the plastic mass being imperfectly compressed, air and water remaining
therein, thus causing the objectionable pores-above-mentioned
My present invention remedies this defect-and- it-consists in the- features of
construction and combination of parts, fully described hereinafter and specifically
-pointed-out in the appended- claims...
גי י
At
In order that the invention may be the more readily understood, reference -is
made to the accompanying drawings, showing the improved machine in vertical
section, and in, which represents the standard, or base, and lower part of my
improved machine, upon which is arranged-the-compound holder or table b, which
constitutes, with the various parts secured thereto, the-upper part of my machine.
Within the upper part of the base is an air or steam-tight chamber o, in which
is slidingly fitted a piston-valve f, keyed to a vertical stem or piston-rod e, having
bearings in suitable openings in the top and bottom walls of the chamber o.
one side of the chamber, and preferably formed integrally. with the base d, is
a cylinder p; near the upper end of which is a port p', communicating with the
chamber o, in the bottom of which is a second and exhaust port which com-
municates with the air, and at a point opposite the part pl, is a port p, through
which air and water are admitted to the chamber o in a manner to be explained.
In the lower portion of the stem or piston rod e, is a channel or bore h, the upper
end of which communicates with the lower portion of the chamberto, when the
piston is raised, and the lower end opens into a flexible-exhaust pipe w, which is
suitably coupled to the lower end of said stem represents a stop-valve. In one
side of the piston valve f; is a curved channel or port which extends from the
l
lower face of said valve to the side wall of same. When the valve is in its lower
position, the port / communicates with a pipe g, which leads into the lower part
of the chamber o. The pump, for expelling air, is made in cylindrical form
and integral with the frame d.
.
Secured to the upper end or top of the base d, is a wooden buffer 7, in the upper
face of which is an annular groove in which rests a rubber ring k, which receives
the impact of the table b, when the latter drops, as will be explained.
The table b is provided with strengthening ribs y and is supported" on the
upper end of the stem cand moves therewith. The table is formed with an
inwardly overhanging bevelled flange, under which fits' a correspondingly

page_text: bevelled flange on a ring c. This ring is secured to a circular bottom plate c¹,
through which are vertical openings, which communicate with channels in
the bottom of the table b. Above the bottom plate c', and slidingly fitted within
the walls of the rings c, is a compressor a, having formed therein chambers t t.
from the bottoms of which openings n extend downwardly, leading to the space
between the compressor and the plate c¹. Ball-valves u rest in the upper end of
the openings n. The chambers are covered by plates, which are centrally
perforated to receive branches of a pipes to the opposite end of which is
connected a flexible pipes, the lower end of which is coupled with a short nozzle
leading to the port 23 in the cylinder -p Arranged-within the cylinder is a
piston rod q, the lower end of which carries a piston-head and the upper end is
pivotally attached to a rib y of the table b, thus causing said table to control the
reciprocating movement of said rod. Iron rods, or their equivalents, a, are merged
into the plastic mass to prevent warping or accidental breakage of thin plates.
The material to be crushed and commingled, is placed between a reticulated
plate 2, which covers the plate c, and another similar plate m, said plates acting
as screens to prevent the solid particles from entering the openings and n respec-
tively. Air, or steam, under pressure, is conducted to the machine from a suitable
generator through the pipe g, from which it passes through the port in the piston-
valve f, to the lower part of the chamber o, causing the valve with its stem e to
rise, and imparting a like movement to the table b. When the stem is raised
to a point which permits the opening to communicate with the chamber o, the
steam or air escapes through said opening into the pipe w as exhaust, and the
table falls by gravity and carries with it the piston rod 9 with its head, thus
tending to form a vacuum in the cylinder which extends, through the pipes 3,
s and, into the chambers and causes the ball valves to rise and admit
to said chambers, water and air which have been pressed from the composition
being operated upon, and such air and moisture are carried off, through said
pipes, into the upper part of the cylinder and thence through the port pinto
the upper part of the chamber o, where the descent of the piston valve f has
had a tendency to augment the vacuum created by the action of the piston head in
the cylinder p. The reciprocating movement of the table b, together with the
jarring or vibration caused by the impact of the lower part of the table with the
rubber ring and buffer, and the weight of the compressor, bring to the surface of
the composition the water and air contained therein, some of which is carried off
through the openings j, and the balance through the openings n, as above explained.
Furthermore the rubber ring, together with the coil spring i about the lower end
of the stem, serve to prevent dead centres in a manner readily understood. When
the composition has been sufficiently compressed, it is removed and new material
substituted therefor.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed, I declare that what
I claim is:
1. In a machine for making solid artificial stone, the combination with a verti-
cally movable plate and a mould arranged on said plate, of a frame, a cylinder on
said frame, a piston in said cylinder, suitable connexions between said piston and
said plate, an air-pump, and connexions between the latter and the mould, substan-
tially as and for the purpose set forth.
2. In a machine for making solid artificial stone, the combination with a verti-
cally movable plate, and a mould on said plate, of a frame, a cylinder on said
frame, a piston in said cylinder, a piston rod, the upper end of which is connected
with a plate, a conduit in the lower end of the piston rod, a conduit in said piston,
adapted to register with the motive power inlet pipe; an air-pump on the side
of said cylinder, the plunger or piston of which is pivotally connected with the
above-named plate, and connexions between the pump and the mould substantially
as and for the purpose set forth.

page_text: 3. In a machine for making solid artificial stone, the combination of an air-
pump, a suction pipe extending from said pump into suitable spaces connected
to the mould containing the stone, compound, substantially as and for the purpose
set forth.
ted this way of February
J. P. BAYLY,
18, Fulham Place, London, W.,
Agent for the Applicant.