Improvements in the Methods of and Means for Manufacturing and Registering the Different Stereos or Plates for Colour or other Printing.
Year: 1892

page_text: Date of Application, 8th Apr., 1892
Complete Specification Left, 30th Dec., 1892-Accepted, 25th Feb., 1893
PROVISIONAL SPECIFICATION.
Improvements in the Methods of and Means for Manufacturing and
Registering the Different Stereos or Plates for Colour or other
Printing.
I, JULES MICHAUD, of 96 Rue d'Assas, Paris, France, Engineer, do hereby
declare the nature of this invention to be as follows:-
In the Specification of my prior Patent No. 17,382 dated 30th October 1890
I have described various methods of obtaining stereos or plates of the same size
having the different parts for printing the several colours in exactly the same
position on each of the plates, so as to facilitate the register.
The various methods which I there described are not easily applicable when the
plates for printing in several colours or producing several impressions are to be
arranged in the middle of text or letter press, or when it is not possible to form on
these plates a strip or band having holes corresponding with the pins placed in the
casting box. In order to overcome this difficulty I have devised the following
arrangement:-
I form on all the plates for the different impressions adjusting points or marks
common to all the colours and of course situated on a non-printing portion, in the
same way for example as for the different impressions on stone in lithographic
printing, and in each of these points or marks I pierce a hole.
In that part of the chase or frame containing the type where the engraving is to
be situated I place a block of the same height as the types; I apply the engraving
which is to be of the same colour as the text in the position it is to occupy in such
text, and I mark on this block the adjusting marks corresponding to the holes
pierced in the engraved plates.
I may then either place.pins on such adjusting marks on the block or form holes
therein which will have exactly the position on, the matrix which serves to produce
the plates of text, as the holes pierced in the engraved plates; I then place pins
in the matrix at the adjusting points obtained when the matrix is taken.
By the aid of these pins which correspond to the holes pierced in the engraved
plates, and by the aid of the holes pierced in the matrix on the frame or chase
carrying the printing matter as described in the Specification of my prior Patent
above referred to, I can obtain stereos or plates and blocks carrying the engraving
in exactly the same position, and thus cause them to easily register.
The matrix is placed in the casting box as I have described, being guided by the
points in such casting box; I then place on the pins of the matrix the engraved
plates, which have been previously curved and tinned or soldered, in the position
indicated by the pins which I have arranged in the matrix, which pins not only
indicate exactly the position of the engravings, but have further the advantage of
holding the engraving and preventing its displacement.
By then operating as I have described in the Specification of my prior Patent I
obtain plates and blocks carrying the engraved plates which register with great
ease.
It is not indispensable to employ the matrix of the text itself to obtain the blocks
with the engraved plates, as a sheet of cardboard of the same thickness as this
matrix may be placed on the chase or frame carrying the printing matter, so as to.
produce on this cardboard the holes corresponding to the pins in the casting box
and the holes corresponding to the holes in the plates.
If the thickness of the head of the pins was in the way of the matrix, I might
form a countersink on the block round the adjusting points which would provide on

page_text: the matrix the space of the thickness of the head of the pins; I might also form a
countersink in the plates so that the projectious of the heads of the pins will not be
in the way.
It will be readily understood that I may employ this method for illustrations
arranged on a page not carrying text and composed of different plates, as well as
for pages which do carry text.
The blank or sheet of cardboard in the casting box might be formed with pro-
jections of sufficient depth to avoid the work of cutting away the blank parts or
whites.
I may employ the process above described not only for producing curved stereos
or plates, but also for producing flat stereos or plates cast or backed in a flat
casting box such as are now in use, but carrying the pins referred to.
may also employ the following method :-
I place in the type chase or frame a block which is lower than the type and of
sucb size that its thickness and that of the engraved plate form the height of the
type I trace on the different plates outside the engraved portion, lines which
correspond exactly on each of the plates; as before I place the plate which is to be
of the same colour as the text in its exact position, and I trace on the block the
lines formed on the engraved plate. I then stick the plate with paste on to the
block; so as to cause the paste to hold better I may interpose a sheet of paper
between the plate and the block, and I take an impression of the text and the
engraving. As above stated I form on the matrix the holes of: the chase or frame
which correspond to the pins of the casting box, and I have then on the matrix, by
the impression itself of the engraving, the exact position which the engraved plate
should occupy on the matrix.
I detach the plate, which is very easy, and I curve, tin or solder, and place same
on the matrix at the place indicated by the impression.
I proceed in the same way for the plate for each of the colours; this method is
less exact than the one first described but it however enables very good results to
be obtained.
It will be seen that by employing the methods described, by means of blanks or
matrices, stereos or plates of the same dimensions may be obtained, and which have
the different surfaces (zincos, galvanos etc.) for printing in several colours, situated
in exactly the same position on each of the plates.
I may obtain exactly the same result if instead of employing stereos of text with
zinc, galvano, or other engraved plates, I employ galvano plates alone or stereo
plates alone, the shell of the galvano then replacing the blank or the matrix used in
the first case.
To obtain the different shells I proceed in the same manner :-
Each of the engraved plates to be printed I fix in succession on the blocks placed
in the forme, by the aid of pins, and take impressions. I make as many shells as
there are colours and I make the holes in the shells which occur in the chases or
frames, as I do in the blanks or matrices. I shall then have shells which, curved
and tinned or soldered, will replace the matrices, and it is only necessary to place
them in the casting box and run in the metal so as to obtain galvano plates.
I may further instead of taking impressions serving to produce the galvanos take
blanks and cast stereo plates of text thereon, each of the plates corresponding to a
colour to be printed.
All the parts of the stereos or galvanos produced as described will be in perfect
register if they are placed very exactly in the position they are to occupy on the
printing cylinders. In case it should be necessary to shift the plates in the direction
of the curvature of the cylinders, I have devised the following means for this
purpose.
When a machine has several printing cylinders each of which serves for the
impression of one colour which is to be superposed or fit exactly into the others,
it is very essential in order to obtain a good register of the colours, to be able to
displace the plates corresponding to each of them to a very slight extent. By

page_text: means of movable rings or circles mounted on the cylinders I obtain the dis-
placement in one direction-that of the longitudinal axis of the cylinder.
To obtain the displacement or shifting of the plates in the other direction, that
of the development of the cylinder, and in which direction their size may vary, I
have thought of piercing the cylinder with a certain number of holes.
The printing plate being on the cylinder and requiring to be slightly displaced
or shifted, I place in one of the holes a part or key with a part near one end which
is slightly eccentric in relation to the axis of such part or key; between this
eccentric part and the plate I introduce a wedge, and it will be seen that by turning
the key I shall through the wedge act upon the plate and displace or shift it in
one direction.
If it were necessary to displace the plate in the opposite direction
the key would be inserted in a hole situated on the other side of the plate. I may
employ this process for the register of colours, or for the register of different
impressions.
I have shown how I can, by placing in the forme a block slightly larger than the
engraving to be reproduced in colours, by means of pins and adjusting marks traced
on the different engravings, substitute successively the engravings for the different
colours to take impressions by means of matrices such as those employed for the
ordinary stereotype processes.
I may employ the same process to obtain in gutta percha, wax or other material,
the moulds necessary for producing the shells of galvano plates.
If the engraved plates are made of metal for example, place in the forme a
block having such a height that the thickness of the block and of the engraved
plate gives the height of the type, or a thickness but slightly different therefrom,
so as by changing the engraved plates, to be able to take successively impressions
for the different colours.
I shall thus have as many impressions as colours, and all the impressions will
have the engraving in exactly the same position.
In operating with the shells in the same way as for the matrices, for taking the
impressions I employ frames or chases of special construction having at the sides
holes or pins corresponding to the pins of the casting box which is to be used for
backing the shells. These holes or pins will reproduce on the shells the adjusting
points necessary for placing each of them in exactly the same position in the
casting box.
I may thus either back the shells directly after having tinned or soldered same,
by placing then directly in the casting box, or may first back them while flat as
hitherto, then curve them if required by means of a machine in which the plates to
be curved are placed between two plates of sheet steel, then place the galvanos thus
backed with a thin backing, and then tinned or soldered and curved, in the casting
box which is to re-back them to give them the requisite thickness.
This process is equally applicable to flat galvanos and to curved galvanos for
use in rotary printing machines.
The chases or frames for taking impressions have a band or strip projecting ou
two of their edges which is less than the width of the chase, and the object of
which is to facilitate the taking of the impression and to produce on the edge of the
galvanos the small band or strip described in the Specification of my prior Patent
hereinbefore referred to. On the edge which corresponds to this strip I place pins
or form holes corresponding to the pins of the casting box for backing, and which
are reproduced on the shells and give the exact position for placing the shells,
either backed or not, in the casting box.
If the engravings are not in metal but are engravings on wood, I may still
proceed in exactly the same manner.
By making all the wood blocks of the same size, each of them may be substituted
successively in the frames for taking the different impressions.
If the wood blocks are not of the same size I may still by means of the adjusting
marks traced thereon and on the frame or chase, find the position of the blocks so
as to put them in the correct place in relation to the pins, adjusting marks, or to

page_text: the holes in the chase, and thus still obtain galvanos having the colours exactly in
position in relation to the pins.
The operation may also be carried on in the same manner by placing the
engraving for each colour in a special frame or chase.
Each engraving still having the adjusting marks will be placed in the frame or
chase in its exact position in relation to the pins, adjusting marks or holes in the
frame or chase, and shells may thus be obtained which correctly register with
relation to the pins or holes in the frame or chase.
So as to ensure the engravings being in their exact position before the impressions
are taken, each frame or chase should be checked in the way described in the
Specification of my prior Patent above referred to.
I take each frame or chase in succession after having inked each of them with
the colour corresponding thereto. I place successively on each of these chases a
sheet of paper fixed on the pins, and I take prints of the different colours on this
sheet so as to ensure that all are exactly in position in relation to the pins or holes
of the chase. I can thus readily rectify any of them which are not exactly in
position, and after this checking I take the impressions for making the galvanos.
I may of course produce the holes, adjusting marks or points in the impressions
of the galvanos as I have just described, or make the holes by punching as I have
described in the Specification of my prior Patent above referred to.
It will be seen that by the methods described I can obtain galvanos which
register very exactly, and which when backed in a casting box having pins produce
printing plates which register very exactly when they are mounted in the printing
machine.
મ
In the case where the engravings of which impressions are to be taken are of
metal, as indicated in the Specification of my prior Patent above referred to, I
leave a band on same in which two holes are pierced; these holes occupy in relation
to the engraving corresponding positions on all the engraved plates for printing the
various colours.for the same work.
I place this engraving in the frame on the block serving to receive it and in the
position it is to occupy in the page in relation to the rest of the matter-text or
engraving which is to be of the same colour as it.
The frame employed is made so that the band of the engraved plate partly covers
one of its sides, which is recessed for this purpose; further, in this side a dovetailed
slot is formed. Rules or bars are inserted in this slot and rise to the height of the
engraving, and which opposite the parts of the text complete the necessary border
to enable the impression to be taken.
I may also when the frame or chase is to contain engravings on wood or on metal,
make this border with the frame itself. The forme introduced in this frame must
be placed in the position it is to occupy in relation to the two adjusting holes, and
theu secured. The border which forms part of the body of the frame and in which
are the holes, is of a length corresponding to the smallest size the frame is to take;
for larger sizes the border will be completed by inovable pieces slipped into the
groove, the length of such movable pieces corresponding to the dimension of the
text secured in the frame.
Dated this 8th day of April 1892.
ALLISON BROS.,
Agents for the Applicant.

page_text: COMPLETE SPECIFICATION.
Improvements in the Methods of and Means for Manufacturing and
Registering the Different Stereos or Plates for Colour or other
Printing.
1, JULES MICHAUD, of 96 Rue d'Assas, Paris, France, Engineer, 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 Specification of my prior Patent No. 17,382 dated 30th October 1890 I
have described various methods of obtaining stereos or plates of the same size
having the different parts for printing the several colours in exactly the same
position on each of the plates, so as to facilitate the register.
The various methods which I there described are not easily applicable when the
plates for printing in several colours or producing several impressions are to be
arranged in the middle of text or letter press or when it is not possible to form on
these plates a strip or band having holes corresponding with the pins placed in the
casting box.
In order to overcome this difficulty I have devised the arrangement shown in the
accompanying drawings, in which :-
Fig. 1 is a view of a plate showing the adjusting points or marks which I make
thereon.
Fig. 2 shows a plate or block with the means employed for reproducing the
adjusting points or marks in or on the matrix.
Fig. 3 shows an engraved plate with its matrix and the pins giving the position.
of the plates.
Fig. 4 is a side view (partly in section) and
Fig. 5 is a transverse section of a printing cylinder showing the means I employ
for adjusting the plates in the direction of the curvature of such cylinder.
Fig. 6 is a transverse section and
Fig. 7 a plan view of the chase or frame I employ for taking impressions.
Fig. 8 is a transverse section and
Fig. 9 a plan view of the frame I employ when the engravings of which
impressions are to be taken are of metal.
Fig. 10 is a view showing such frame with an engraving and text in position
therein.
Fig. 11 is a section on line a
Fig. 10 and
Fig. 12 is a section on line c-d Fig. 10.
Fig. 13 is a view showing a frame or chase baving the border made in one:
therewith.
I form on all the plates for the different impressions adjusting points or marks
(Fig. 1) common to all the colours and of course situated on a non-printing
portion, in the same way for example as for the different impressions on stone
in lithographic printing, and in each of these points or marks I pierce a hole.
In that part of the chase or frame containing the type where the engraving is to
be situated I place a block of the same height as the types; I apply the engraving-
which is to be of the same colour as the text in the position it is to occupy in such
text and I mark on this block the adjusting marks corresponding to the holes
pierced in the engraved plates.
I may then either place pins a on such adjusting marks on the block, or form.
holes therein (Fig. 2), which will have exactly the position on the matrix
which serves to produce the plates of text as the holes pierced in the engraved
plates; I then place pins c, c, (Fig. 3) in the matrix at the adjusting points obtained
when the matrix is taken.
:
By the aid of these pins, which correspond to the holes pierced in the engraved

page_text: plates, and by the aid of the holes pierced in the matrix on the frame or chase
carrying the printing matter as described in my Specification of my prior Patent
above referred to, I can obtain stereos or plates and blocks carrying the engraving
in exactly the same position and thus cause them to easily register.
The matrix is placed in the casting box as I have described, being guided by the
points in such casting box; I then place on the pins of the matrix the engraved
plates, which have been previously curved and tinned or soldered, in the position
indicated by the pins which I have arranged in the inatrix, which pins not only
indicate exactly the position of the engravings but have further the advantage of
holding the engraving and preventing its displacement..
By then operating as I have described in the Specification of my prior Patent
I obtain plates and blocks carrying the engraved plates which register with great
case.
It is not indispensable to employ the matrix of the text itself to obtain the blocks
with the engraved plates, as a sheet of cardboard of the same thickness as this
matrix may be placed on the chase or frame carrying the printing matter so as
to produce on this cardboard the holes corresponding to the pins in the casting box
and the holes corresponding to the holes in the plates.
If the thickness of the head of the pins was in the way of the matrix I might
form a countersink on the block round the adjusting points which would provide on
the matrix the space of the thickness of the head of the pins; I might also form a
countersink in the plates so that the projections of the heads of the pins will not be
in the way.
Fig. 3 shows a section of the engraved plate with the matrix or cardboard and
the pins giving the position of the plates.
It will be readily understood that I may employ this method for illustrations
arranged on a page not carrying text and composed of different plates, as well as
for pages which do carry text.
The blank or sheet of cardboard in the casting box might be formed with
projections of sufficient depth to avoid the work of cutting away the blank parts or
whites.
I may employ the process above described not only for producing curved stereos
or plates, but also for producing flat stereos or plates cast or backed in a flat
casting box such as are now in use, but carrying the pins referred to.
may also employ the following method
:-
I place in the type chase or frame a block which is lower than the type and of
such size that its thickness and that of the engraved plate form the height of the
type; I trace on the different plates outside the engraved portion, lines which
correspond exactly on each of the plates; as before I place the plate which is to
be of the same colour as the text in its exact position, and I trace on the block the
lines formed on the engraved plate. 1 then stick the plate with paste on to the
block; so as to cause the paste to bold better I may interpose a sheet of paper
between the plate and the block and I take an impression of the text and the
engraving. As above stated I form on the matrix the holes of the chase or
frame which correspond to the pins of the casting box and I have then on the
matrix, by the impression itself of the engraving, the exact position which the
engraved plate should occupy on the matrix.
I detach the plate, which is very easy, and I curve, tin or solder and place same
on the matrix at the place indicated by the impression.
I proceed in the same way for the plate for each of the colours; this method is
less exact than the one first described but it however enables very good results to
be obtained.
It will be seen that by employing the methods described, by means of blanks or
matrices, stereos or plates of the same dimensions may be obtained and which have
the different surfaces (zincos, galvanos etc.) for printing in several colours, situated
in exactly the same position on each of the plates.
I may obtain exactly the same result if instead of employing stereos of text with

page_text: zinc, galvano, or other engraved plates, I employed galvano plates alone or stereo
plates alone, the shell of the galvano then replacing the blank or the matrix used
in the first case.
To obtain the different shells I proceed in the same manner :-
Each of the engraved plates to be printed I fix in succession on the blocks
placed in the forme, by the aid of pins, and take impressions. I make as many
shells as there are colours and I make the holes in the shells which occur in the
chases or frames, as I do in the blanks or matrices. I shall then have shells which,'
curved and tinned or soldered, will replace the matrices, and it is only necessary
to place them in the casting box and run in the metal so as to obtain galvano
plates.
I may further instead of taking impressions serving to produce the galvanos take
blanks and cast stereo plates of text thereon, each of the plates corresponding to a
colour to be printed.
All the parts of the stereos or galvanos produced as described will be in perfect
register if they are placed very exactly in the position they are to occupy on the
printing cylinders. In case it should be necessary to shift the plates in the
direction of the curvature of the cylinders, I have devised the new means shown in
Figs. 4 and 5 for this purpose.
29 is a
When a machine has several printing cylinders each of which serves for the
impression of one colour which is to be superposed or fit exactly into the others, it
is very essential in order to obtain a good register of the colours, to be able to
displace the plates corresponding to each of them to a very slight extent.
printing cylinder and 30 and 31 are plates in position thereon. By means of
movable rings or circles 32, 33, 34, 35, mounted on the cylinder I obtain the dis-
placement in one direction-that of the longitudinal axis of the cylinder.
To obtain the displacement or shifting of the plates in the other direction;
that of the development of the cylinder, and in which direction their size may
vary, I have thought of piercing the cylinder with a certain number of holes 36.
The printing plate 30 being on the cylinder and requiring to be slightly displaced
or shifted, I place in one of the holes 36 a part or key 37 with a part 38 near one
end which is slightly eccentric in relation to the axis of such part or key; between
this eccentric part and the plate I introduce a wedge 39, and it will be seen that'
by turning the key 37 I shall through the wedge act upon the plate and displace
or shift it in one direction. If it were necessary to displace the plate in the
opposite direction the key 37 would be inserted in a hole 36 situated on the other
side of the plate. I may employ this process for the register of colours, or for the
register of different impressions.
I have shown how I can, by placing in the forme a block slightly larger than
the engraving to be reproduced in colours, by means of pins and adjusting marks
traced on the different engravings, substitute successively the engravings for the
different colours to take impressions by means of matrices such as those employed.
for the ordinary stereotype processes.
I may employ the same process to obtain in gutta percha, wax or other material,
the moulds, necessary for producing the shells of galvano plates.
If the engraved plates are made of metal for example, I place in the forme a
block having such a height that the thickness of the block and of the engraved
plate gives the height.of the type or a thickness but slightly different therefrom,
so as by changing the engraved plates, to be able to take successively impressions
for the different colours.
I shall thus have as many impressions as colours and all the impressions will
have the engraving in exactly the same position.
In operating with the shells in the same way as for the matrices, for taking the
impressions I employ frames or chases of special construction having at the sides
holes or pins corresponding to the pins of the casting box which is to be used for
backing the shells. These holes or pins will reproduce on the shells the adjusting

page_text: points necessary for placing each of them in exactly the same position in the
casting box.
I may thus either back the shells directly after having tinned or soldered same,
by placing them directly in the casting box; or may first back them while flat as
hitherto, then curve them if required by means of a machine in which the plates
to be curved are placed between two plates of sheet steel, then place the galvanos
thus backed with a thin backing, and then tinned or soldered and curved, in the
casting box which is to re-back them to give them the requisite thickness.
This process is equally applicable to flat galvanos and to curved galvanos for
use in rotary printing machines.
In Figs. 6 and 7 I have shown the arrangement of chase or frame I employ for
taking impressions.
The chases or frames for taking impressions have a band or strip m, m, m,
projecting on two of their edges which is less than the width of the chase and
the object of which is to facilitate the taking of the impression and to produce on
the edge of the galvanos the small baud or strip described in the Specification of
my prior Patent hereinbefore referred to. On the edge which corresponds to this
strip I place pins or form holes a corresponding to the pins of the casting box for
backing, and which are reproduced on the shells and give the exact position for
placing the shells, either backed or not, in the casting box.
If the engravings are not in metal but are engravings on wood, I may still
proceed in exactly the same manner.
By making all the wood blocks of the same size, each of them may be
substituted successively in the frames for taking the different impressions.
If the wood blocks are not of the same size I may still by means of the
adjusting marks traced thereon and on the frame or chase find the position of the
blocks so as to put them in the correct place in relation to the pins, adjusting
marks, or to the holes a in the chase, and thus still obtain galvanos having the
colours exactly in position in relation to the pins.
The operation may also be carried on in the same manner by placing the
engraving for each colour in a special frame or chase.
Each engraving still having the adjusting marks will be placed in the frame or
chase in its exact position in relation to the pins, adjusting marks or holes a in the
frame or chase, and shells may thus be obtained which correctly register with
relation to the pins or holes a in the frame or chase.
So as to ensure the engravings being in their exact position before the impressions
are taken, each frame or chase should be checked in the way described in the
Specification of my prior Patent above referred to.
I take each frame or chase in succession after having inked each of them with
the colour corresponding thereto. I place successively on each of these chases a
sheet of paper fixed on the pins a, and I take prints of the different colours on
this sheet so as to ensure that all are exactly in position in relation to the pins or
holes a of the chase. I can thus readily rectify any of them which are not exactly
in position, and after this checking I take the impressions for making the galvanos.
may of course produce the holes, adjusting marks or points in the impressions
of the galvanos as I have just described, or make the holes by punching as I
have described in the Specification of my prior Patent above referred to.
It will be seen that by the methods described I can obtain galvanos which
register very exactly, and which when backed in a casting box having pins produce
printing plates which register very exactly when they are mounted in the printing
machine.
In the case where the engravings of which impressions are to be taken are of
metal, as indicated in the Specification of my prior Patent above referred to I
leave a band on same in which two holes are pierced; these holes occupy in relation
to the engraving corresponding positions on all the engraved plates for printing
the various colours for the same work.

page_text: I place this engraving in the frame on the block serving to receive it and in
the position it is to occupy in the page in relation to the rest of the matter, text
or engraving, which is to be of the same colour as it.
The frame employed is made so that the band of the engraved plate partly
covers one of its sides which is recessed for this purpose; further in this side a
dovetailed slot 2 is formed (Figs. 8 and 9). Rules or bars 3 are inserted in this.
slot and rise to the height of the engraving, and which- opposite the parts of the
text (5 and 6) complete the necessary border to enable the impression to be taken..
I may also when the frame or chase is to contain engravings on wood or on
metal, make this border with the frame itself, (as is shown in Fig. 13). The forme
introduced in this frame must be placed in the position it is to occupy in relation
to the two adjusting holes, and then secured. The border which forms part of
the body of the frame and in which are the holes is of a length corresponding to
the smallest size the frame is to take; for larger sizes the border will be completed
by movable pieces (such as 3, Fig. 11) slipped into the groove 7, the length of such.
movable pieces corresponding to the dimension of the text secured in the frame.
Having now particularly described and ascertained the nature of my said
invention, and in what manner the same is to be performed, 1 declare that what.
I claim is
In the production and registering of plates for colour and other printing :-
1. The employment of engraved plates having holes or registering points or
marks which correspond on the different plates for producing a print, as and for the
purpose specified.
2. The employment of a block placed in the forme and having pins or registering
points or marks in combination with holes or registering points or marks traced or
formed on the different plates for producing a print, as and for the purpose
specified.
3. The employment of a block placed in the forme and having pins or registering
points or marks in combination with holes or registering points or marks traced or
formed on the different plates for producing a print and on the frames or chases
serving to take impressions or matrices, as and for the purpose specified.
4. The employment of a block placed in the forme and having pins or registering
points or marks in combination with holes or registering points or marks traced
or formed on the different plates for producing a print, and also on the frames or
chases, and with pins in the casting box, as and for the purpose specified.
5. The employment of matrics, sheets of cardboard, shells or other surfaces.
having pins or registering points or marks in combination with holes or registering
points or marks traced or formed on plates for producing a print, and also on the
frames or chases, and with pins in the casting box, as and for the purpose specified..
6. The employment of printing cylinders pierced with holes in combination
with an adjusting key independent of the cylinders for obtaining the displacement
or shifting of the printing plates and bringing them to the position they should
occupy, substantially as specified.
7. The special frame or chase described for readily taking impressions for
galvanos, substantially as and for the purpose specified.
8. The employment of the special frame or chase with holes, registering points
or marks, or pins, for obtaining impressions for galvanos for different printings,
substantially as and for the purpose specified.
9. The employment of the frames or chases with holes, registering points or
marks, or pins, in combination with the holes, registering points or marks, or pins,
of a casting box for backing galvanos, substantially as and for the purpose
specified.
10. The frame or chase described for taking impressions of formes, carrying
engravings or not, substantially as and for the purpose specified.
11. The construction of frame or chase described for taking impressions of
formes, carrying engravings or not, such frame having grooves and movable rules
B

page_text: or bars working therein and serving to form the border of such impressions,
substantially as and for the purpose specified.
Dated this 29th day of November 1892
ALLISON BROS.,
Agents for the Applicant.