Year: 1886

page_text: JULES ALBERT BERLY Civil Engineer and Electrician of No. 3 Deronda Road,
Herne Hill London S.E. 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 relates to the construction of hand presses and drying stoves, used in
the printing process known as phototype or collotype.
In the accompanying drawings:
In sheet 1-Fig. 1. is a perspective view of a hand collotype printing machine in
which all the operations are performed by hand.
Fig. 2. is a perspective view of the drying stove.
Fig. 3. is a view of the hand inking roller.
In sheet 2,
Fig. 4 is a plan of the clamp frisket or tympan frame.
Fig. 5. is a section of the same, made through line M N.
Fig. 6 is a section of the clip made through line m n.
In Sheet 3,
Fig. 7 is an elevation of a hand collotype printing! machine in which all the
operations are mechanically and automatically performed.
The press illustrated in Fig. 1. is principally composed of two longitudinal
frames A. B. stayed together by means of suitable tye bars, and of an intermediate
piece or table C. The said table C is provided at each side with slides running into
grooves longitudinally cut alongside the internal faces of the frames A and B, and
can, therefore move freely in each direction.
Dis the bed for the platen E; it is made hollow and provided with flanges and is
made of one piece with the table C.
The platen E fits into the hollow of bed D and its perfectly horizontal position is
secured by means of four regulating screws placed one at each of its four corners.
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1121

page_text: The glass plate or form from which the printing is effected is placed on the top of the
platen E.
The reciprocating motion of the bed is obtained by means of two pinion racks
fixed alongside and one on each side of the bed; these racks are in gear with two
cogwheels which are themselves actuated upon by two pinions mounted on the crank
or wheel spindle. Turning the handle forward or backward will therefore cause the
table C to move in one direction or the other.
The impression cylinder F is itself provided with two cogwheels in gear with the
two table racks so that each to and fro motion of the said table C will cause the
said impression cylinder F to rovolve in one or the other direction.
The pressure of the cylinder F is obtained by the agency of two intermediate
connecting rods J attached one to each end of the cylinder's spindle, two cams, and
the lever K which is depressed every time the glass plate or form is passing under the
cylinder F and released after the said passage has taken place. The glass plate or
form is fasten to the platen E by means of clips. The blanket, wrapped round the
impression cylinder is held in position at one end by means of a gripper and at the
other end by means of points which are inserted into a rod with a handle at one of
its extremities; both the gripper and the rod are lodged in a groove cut through the
length of the cylinder.
L is an inking table for the hand roller N shown in Fig. 3.
Clamp Frisket. The proof is, as is the case with other hand presses, placed on the
form by hand. A frame a (Figs. 4 and 5) is attached to the front or foreside of the
bed by means of two sliding hinges b which allow of raising or lowering it according
to the thickness of the plate glass or form.
The mask, which has previously been cut to the required dimensions is placed upon
the frisket to which it is fastened by means of the holding clips c cc (Figs. 4 and 6);
the inside of the said clips is cut file-like so as to insure their more perfect biting.
This mode of fastening does away with the old long and tedious process of placing the
mask between two superposed frames screwed together.
Two lips or stops e e placed in front of the frisket insure the proper laying-on of
the print; two grippers ff hold it in position during the process of printing, and a
point g, mounted on a slide on the minder's side or at the back of the frisket provides
for a proper register.
Hand press in which all the operations are mechanically or automatically
performed.-
Fig. 7 is an illustration of this press in which the bed and the platen are shown in
section.
A are the "wavers" and B the "inkers."
C is the glass plate or form.
In this press, the lifting of the frisket is automatically performed in the following
manner a special cam, placed outside of the reach of the frisket, acts upon a finger
or lever c which is keyed on the same spindle as a tooth-sector b; the latter gears
with a pinion a which revolves the frisket; it will be seen that each depression of the
finger c will cause the lifting of the frisket off the form.
The feeding table t is also automatically raised at each operation owing to the
following arrangement: the table t is locked in its feeding position by means of the
latch ; a roller or caster h runs into a groove cut into the impression cylinder and,
by means of the intermediary rod or lever releases, at each operation, the catch k
and by so doing sets the feeding table free to raise under the action of the roller h;
a counterweigh facilitates this motion and the table is set back by a mere pressure
of the hand.
In order to better free the plate glass from an excess of ink, the speed of the first
inking roller s, of gelatine, may be reduced at will; this is done by fitting, at one end
of the said roller, and outside its propelling caster, a small wheel of a diameter
slightly exceeding that of the said caster, and providing the same with a friction
piece or brake operated upon by a thumb screw v; the speed of the roller may be
retarded according to the pressure exerted by the brake on its wheel.

page_text: Drying stove. The drying stove is shown in Fig. 2. It is constructed cupboard
fashion, its four vertical sides being made of pine wood consolidated by stays. The
back and side pannels are made of thin wood and the front one is provided with two
doors the lower one being used for the introduction of the spirit lamps or the location
of a row of gas jets and the top one for that of the glass plates to be dried up.
The spaces corresponding to these two sets of doors are separated by a sheet iron
partition dividing the stove into the heating chamber and the drying chamber or
oven proper.
In the oven two moveable iron cross-bars, resting on blocks are provided, at
intervals, with regulating screws and each plate is placed on four such regulating
screws in a perfectly horizontal position.
The top of the stove consists of a wooden frame surrounding one or more very
fine tissue pannels which allow of the damp escaping through them while retaining
the heat. Readings can be taken, from outside, of the temperature inside, on a
thermometer placed inside the front door in the oven.
Damping. In order to automatically damp the glass plate, at the same time
regulating the required amount of water, a tank of a prismatic section and containing
some sponges is placed in the room of the inking roller y and thumb screws allow of
the opposite longitudinal sides of the said tank to be brought nearer to, or farther
from, each other as may be required thereby squeezing or releasing the sponges.
Above the said tank is placed a V shape water reservoir. A piece of cloth one end
of which dips into the water of the said reservoir and the other or lower end is in
contact with the sponge, acting like a syphon, supplies the sponge with water at a
rate proportional to the state of compression of the said sponge.
The sponges in their turn, distribute their water on to the plate.
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:
1º The construction of collotype hand printing machines in which all the operations
are performed either by hand or mechanically and automatically, substantially as
hereinbefore described and illustrated.
2° The construction of the clamp frisket substantially as hereinbefore described
and illustrated.
3° The drying stove substantially described and illustrated.
4° The system of automatically damping the plate glass substantially as herein-
bofore described and illustrated.
London 101
יד
1000