Improvements in Rotary Printing Machines.
Year: 1892

page_text: Date of Application, 8th Sept., 1892
Complete Specification Left. 1st June, 1893 Accented, fot July,
4002
PROVISIONAL SPECIFICATION.
Improvements in Rotary Printing Machines.
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. 20001 dated 8th December 1890, I
have described how a web of paper which descends between two cutting cylinders.
after having been cut, is thrown in the direction of one of such cylinders by the
action of blades; these blades which are operated by the action of cams, thus throw
the sheet in the direction of one of the cylinders so that it does not remain attached
to the other cylinder-the one which is to carry the sheet forward.
I have now invented new ineans which enable the same result to be attained.
The continuous web 1, Fig. 1, descends between the two cutting and folding
cylinders 2 and 3, cylinder 3 having to carry the folded sheet forward to transmit
it to another cylinder or to deliver it to tapes. The fold is effected by the blades 4
and 5 coming in contact.
The head of the sheet ought to be directed towards the cylinder 2 so that when
the blade 4 carries the folded sheet forward, the first part will travel back over the
roller 6' and be applied to the rear part. For this purpose on cylinder 2 I fix
a certain number of blades 6 which are bent back and enter a cut or recess in the
counter or female part of the saw; the blades 6 have a second bend in order to
prevent their 'ends escaping from the part 8.
The blades 6 by their elasticity are kept in the raised position shown in Fig. 1.
When they come in contact with cylinder 2 they yield and enter the recess made
in cylinder 3 to receive same, but in proportion as the pressure on same ceases they
rise again, and by such movement throw the head of the sheet against which they
bear in the direction of cylinder 2.
In Fig. 2 have shown another arrangement for effecting the same object.
9 is a fixed blade projecting from cylinder 3; 10 is a recess formed in cylinder 2.
Blade 9 presses the head of the sheet in the recess 10 immediately after the
cutting, such head remaining in the recess until the fold being formed it is drawn
back under the action of the gripper 4 as in the preceding arrangement.
In the Specification of my prior Patent No. 200010 above referred to I have
described how I may divide the web of paper into strips by means of cutting
discs, and how by the lateral displacement of these strips I may superpose same
one on the other."
I have made a further improvement which by the addition of an accumulating
cylinder enables me to insert the different sheets of a publication one within
the other and and to fold them together.
Fig. 3 is a side elevation of the part of the machine for effecting this, and
Fig. 4 a plan view of same.
The printed web 11 is divided into three parts or strips by the cutting discs 12
and 13.
The first part 14 passes round the rollers 15 and 16 and then proceeds between
the cutting cylinders 17 and 18.
The second part 19 after passing round the rollers 20 and 21 is turned over
parallel to itself over the bars 22, descends over the rollers 23 and 24 and then
passes between the cutters 17 and 18 superposed on the band or strip 14.
Finally the third part 25 after being turned over by the arrangement formed by
the bars 26, is in its turn conducted between the cutters exactly superposed on the
two other bands or strips.
The three superposed bands or strips are cut together, then carried forward by

page_text: tapes beyond the cutting cylinders, and the three sheets are seized by the
grippers 27 of cylinder 28. When the blades 29 and 30 come in contact the sheets
are released by the grippers 27, seized by the blades 30 of cylinder 32 and carried
forward folded by the latter, and then released or transmitted to other folders.
In the machine shown cylinder 32 is twice the size of cylinder 28; a folding
blade 31 enters in contact with blade 29 at each second rotation of cylinder 28, and
carries the second set of three sheets forward folded.
When it is desired to transfer to cylinder 32 a set of six sheets inserted one
within the other and folded, I render the blade 31 fixed by removing the roller
which bears on the cam serving to actuate same, and I employ a second set of
grippers 33 mounted on the cylinder 28 and the function of which is to retain
the set of sheets accumulated while the grippers 27 open to seize a second set.
The drawings show a suitable form of machine embodying this feature of my
invention, and in which the grippers 33 (the operation of which has been
previously described in the Specification of my Patent No. 1635 A.D. 1889)
operate at each second revolution of cylinder 28. I may, however, cause same
to operate so as to enable three, four or other desired number of sets of sheets
to be collected on this cylinder, such sets being subsequently seized by the
cylinder 32 and carried forward and folded thereon.
For this purpose I make the diameter of cylinder 32 the treble, quadruple,
or any other suitable multiple of that of cylinder 28, or I may make it of equal
diameter to the latter, but with a set of grippers, such as 30 which only operate
at every third, fourth, or greater number of revolutions of the cylinder 28.
As the length of cylinders 28 and 32 is greater than the width of the web 11,
I might, by causing the bands or strips 14, 19 and 25 to follow the line of
travel followed by the band 14, fold separate and non-superposed sheets between
the cylinders 28 and 32.
It will be seen by the above description that with the machine illustrated I
am able
1. Without employing any lateral displacement and without superposing sheets,
by means of the cylinder 28 to deliver three copies composed of one sheet folded
with one fold, side by side.
2. By using an accumulator-to deliver three copies composed of two sheets
folded with one fold.
3. By employing reels of two-thirds of the whole width, and having two bands
or strips 14 and 19, the band 19 being turned back, I shall, by using an accumu-
lator, obtain one copy of four sheets folded with one fold.
4. By employing reels of the full width divided into three bands ur strips and
superposing the bands or strips, without accumulating the succeeding sets, I obtain
a copy of three sheets folded with one fold.
5. And by accumulating two sets I obtain a copy of six. sheets folded with one
fold.
At the delivery of cylinder 32 I may, as above stated, employ either delivery
apparatus or other folding apparatus.
In order to better ensure the seizing of the sheets by the grippers 27 of
cylinder 28 and diminish the play of the grippers as much as possible, I may, as
shown in Figs. 5 and 54, make the edge of the groove in cylinder 28 inclined, and
have a cylinder 281 provided with, projections 291 which press the sheet against
the edge of the groove in cylinder 28, so that the grippers. 27 close upon the sheet;
so pressed into the groove and when this sheet has no, tendency to pass over the
grippers.
It may happen that two, three or other number of copies different from each
other and which have to be separated, are to be printed upon the development of
the printing cylinder. of a machine. Supposing that there are two of them; the
printed band or strip arriving at 41 (Fig. 6) descends between the cutting, and.
folding cylinders 42 and 43; such cylinders being of the same diameter, as the
printing cylinders have two cutting and two folding apparatus; the sheet which

page_text: forms the first copy descends between the cylinders 42 and 43 after having been
first separated by the saw 44; its head is seized by the grippers 45 or thrown out
by the spring blades (Fig. 1); it receives a first fold by the folding blades 46 and 47
and is carried forward folded by the cylinder 43; when the blades 47 arrive
opposite the cylinder 48 the grippers 49 seizing the folded sheet carry it forward;
at the second revolution of cylinder 48 the grippers 49 seize a new folded sheet,
then a third, etc.; when the required number of sheets to be superposed has been
attained the blades 50 move to 50', engaging grooves formed in cylinder 48, and
detach the set at the same time as grippers 49 rise, and the superposed sheets
descend in front of the flyers 51, which deposit them upon the delivery table.
The second copy printed by the same cylinders and during the same revolution
as the first copy, is folded by the blades 52 and 53, seized by the grippers 54 of
cylinder 55 which collect a given number of the same kind and the set formed is
delivered by the flyers 56 on to a second table.
It will be understood by above description that if in the development of the
printing cylinders there were three different copies, it would only be necessary to
cut three times, to employ three accumulating cylinders collecting copies of the
sane kind, and three flyers, in order to deliver to the delivery tables three piles or
sets of printed and folded sheets, each set being composed of similar copies.
may naturally employ the same method for separating and delivering by the
flyers 51 and 56 a single copy instead of several superposed copies.
I may cause the sheets to have a second or a third fold imparted to them
if necessary,
before being transmitted to the accumulating cylinder.
For the purpose of accumulating sheets which have been cut beforehand I may
employ the arrangement shown in Fig. 7. The continuous web of paper proceeding
from the printing machine is cut into sheets of the desired dimensions by the
cylinders 57 and 58, which may be both of the same diameter or of different
diameters, and of the same diameter as that of the printing cylinders or a fraction
thereof; each sheet cut by the cylinders 57 and 58 is scized by the grippers 59 of
cylinder 60; when the number of sheets which are to be superposed by cylinder 60
is attained, the folding blade forces the set of sheets folded in the middle between
the blades of cylinder 63 and the edge of the groove in the latter.
The cylinder 63 carries the set of folded sheets forward, and afterwards passes
same at 64 either to delivery apparatus or to other folding apparatus.
'
The fold formed in a set of sheets is produced by the movement of the blades 61
when opposite the blades 62. In order that this movement may take place at the
proper moment, I place on the frame of the machine and in the axis itself of the
cylinder 60, a fixed toothed wheel 65, with which gears a second toothed wheel-66
carried by the cylinder 60 and turning with it; this wheel which gears with the, first
one carries a crank pin 67, which by means of a connecting rod is connected to a
crank 68 keyed on the shaft of the blades 61. A cam fixed to the frame, causes the
blade 62 to operate on each rotation of the cylinder 63, but this blade 62 can only
seize and carry forward the sheets accumulated on cylinder 60, when its movement
coincides with that of the blade 61; it therefore follows that by varying the
proportion of the gears 65 and 66, I am able to produce the coincidence of movement
of the blades 61 and 62, which is to make the fold, at any given number of
revolutions of cylinder 60, which by varying the proportion of the gear
wheels 65 and 66 enables me to vary the number of sheets which cylinder 60 is to
collect before they are folded together.
A further improvement applicable to the machine described consists in the
employment of rollers formed of a substance which is of an unctuous nature
and capable of collecting dust (or in other words possessing the property which in
the French printing trade is known as amour"), such rollers remaining in
continuous contact with the web of paper with the object of removing therefrom the
dust covering same.
CC
I may apply these, rollers in different ways and more particularly as I have shown
in Fig. 8 of the drawings, in which 71 is the reel, 72 a first roller; the paper passes

page_text: between the rollers 73 and 74, 75 and 76, then over roller 77, and afterwards in
contact with the rollers 82, 79, 81.
Among the whole of these rollers 72, 73, 74, 75, 76, 77, 79, 81, 82, I may clothe
those that I consider desirable with a substance possessing the property above
indicated and which will take up dust from the paper. Some of them will act on
the front surface, and the others on the rear surface of the paper.
I reserve to myself the right of arranging the rollers so as to be able to change
same with ease when they are covered with dust, whereby the machine will always
be provided with rollers capable of removing the dust from the paper.
Dated this 8th day of September 1892.
ALLISON BROS.,
Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Rotary Printing Machines.
I, JULES MICHAUD, of 96 Rue d'Assas, Paris, France, Engineer, do hereby
declare the nature of this invention and in what manner the saine is to be
· performed, to be particularly described and ascertained in and by the following
:
statement :-
In the Specification of my prior Patent No. 20001 dated 8th December 1890, I
have described how a web of paper which descends between two cutting cylinders,
after having been cut, is thrown in the direction of one of such cylinders by the
action of blades; these blades which are operated by the action of cams, thus
throw the sheet in the direction of one of the cylinders so that it does not remain
attached to the cylinder-the one which is to carry the sheet forward.
I have now invented new means which will enable the same result to be attained,
and which together with other improvements hereinafter described are shown in
the drawings filed with the Provisional Specification.
The continuous web 1, Fig. 1, descends between the two cutting and folding
cylinders 2 and 3, cylinders 3 having to carry the folded sheet forward to transmit
it to another cylinder or to deliver it to tapes. The fold is effected by the blades 4
and 5 coming in contact.
The head of the sheet ought to be directed towards the cylinder 2 so that when
the blade 4 carries the folded sheet forward, the first part will travel back over the
roller 6' and be applied to the rear part. For this purpose on cylinder 2 I fix a
certain number of blades 6 which are bent back and enter a cut or recess in the
counter or female part of the saw; the blades 6 have a second bend in order to
prevent their ends escaping from the part 8.
The blades 6 by their elasticity are kept in the raised position shown in Fig. 1.
When they come in contact with cylinder 2 they yield and enter the recess made
in cylinder 3 to receive same, but in proportion as the pressure on same ceases they
rise again, and by such movement throw the head of the sheet against which they
bear in the direction of cylinder 2.
In Fig. 2 I have shown another arrangement for effecting the same object. 9 is
a fixed blade projecting from the cylinder 3; 10 is a recess formed in cylinder 2.
Blade 9 presses the head of the sheet in the recess 10 immediately after cutting,
such head remaining in the recess until the fold being formed it is drawn back
under the action of the gripper 4 as in the preceding arrangement.
In the Specification of my prior Patent No. 20001 above referred to I have
described how I may divide the web of paper into strips by means of cutting discs,
and how by the lateral displacement of these strips I may superpose same one on
the other.
I have made a further improvement which by the addition of an accumulating
cylinder enables me to insert the different sheets of a publication one within the
other and to fold them together.

page_text: Sifre elevation of the part of the macme for erecting this, and Fig. 4
a plan view of same.
The printed web 11 is divided into three parts or strips by the cutting discs 12
and 13.
The first part 14 passes round the rollers 15 and 16 and then proceeds between
the cutting cylinders 17 and 18.
The second part 19 after passing round the rollers 20 and 21 is turned over
parallel to itself over the bars 22, descends over the rollers 23 and 24 and then
passes between the cutters 17 and 18 superposed on the band or strip 14.
Finally the third part 25 after being turned over by the arrangement formed by
the bars 26, is in its turn conducted between the cutters exactly superposed on the
two other bands or strips.
The three superposed bands or strips are cut together, then carried forward by
tapes beyond the cutting cylinders, and the three sheets are seized by the
grippers 27 of the cylinder 28. When the blades 29 and 30 come in contact the
sheets are released by the grippers 27, seized by the blades 30 of the cylinder 32
and carried forward folded by the latter, and then released or transmitted to other
folders.
In the machine shown cylinder 32 is twice the size of cylinder 28; a folding
blade 31 enters in contact with blade 29 at each second rotation of cylinder 28,
and carries the second set of three sheets. forward folded.
The
When it is desired to transfer to cylinder 32 a set of six sheets inserted one
within the other and folded, I render the blade 31 fixed by removing the roller
which bears on the cam serving to actuate same, and I employ a second set of
grippers 33 mounted on the cylinder 28 and the function of which is to retain the
set of sheets accumulated while the grippers 27 open to seize a second set.
drawings show a suitable form of machine embodying this feature of my invention,
and in which the grippers 33 (the operation of which has been previously described
in the Specification of my Patent No. 1635 A.D. 1889) operate at each second
revolution of cylinder 28. I may, however, cause same to operate so as to enable
three, four or other desired number of sets of sheets to be collected on this cylinder,
such sets being subsequently seized by the cylinder 32 and carried forward and
folded thereon.
As
For this purpose I make the diameter of cylinder 32 the treble, quadruple, or
any other suitable multiple of that of cylinder 28, or I may make it of equal
diameter to the latter, but with a set of grippers such as 30 which only operate
at every third, fourth, or greater number of revolutions of the cylinder 28.
the length of cylinders 29 and 32 is greater than the width of the web 11, I
might, by causing the bands or strips 14, 19 and 25 to follow the line of travel
followed by the band 14, fold separate and non-superposed sheets between the
cylinders 28 and 32.
It will be seen by the above description that with the machine illustrated I
am able
1. Without employing any lateral displacement and without superposing sheets,
by means of the cylinder 28 to deliver three copies composed of one sheet folded
with one fold, side by side.
2. By using an accumulator-to deliver three copies composed of two sheets
folded with one fold.
3. By employing reels of two-thirds of the whole width, and having two bands or
strips 14 and 19, the band 19 being turned back, I shall, by using an accumulator,
obtain one copy of four sheets folded with one fold.
4. By employing reels of full width divided into three bands or strips and
superposing the bands or strips, without accumulating the succeeding sets, I obtain
a copy of three sheets folded with one fold.
5. And by accumulating two sets I obtain a copy of six sheets folded with
one fold,

page_text: At the delivery of cylinder 32 I may, as above stated, employ either delivery
apparatus or other folding apparatus.
In order to better ensure the seizing of the sheets by the grippers 27 of
cylinder 28 and diminish the play of the grippers as much as possible, I may, as
shown in Figs. 5 and 5, make the edge of the groove in cylinder 28 inclined, and
have a cylinder 28¹ provided with projections 291 which press the sheet against
the edge of the groove in cylinder 28, so that the grippers 27 close upon the sheet
so pressed into the groove and when this sheet has no tendency to pass over the
grippers.
It may happen that two, three or other number of copies different from each
other and which have to be separated, are to be printed upon the development of
the printing cylinder of a machine. Supposing that there are two of them, the
printed hand or strip arriving at 41 (Fig. 6) descends between the cutting and
folding cylinders 42 and 43; such cylinders being of the same diameter as the
printing cylinders have two cutting and two folding apparatus; the sheet which
forms the first copy descends between the cylinders 42 and 43 after having been
first separated by the saw 44; its head is seized by the grippers 45 or thrown out
by the spring blades (Fig. 1); it receives a first fold by the folding blades 46
and 47 and is carried forward folded by the cylinder 43; when the blades 47
arrive opposite the cylinder 48 the grippers 49 seizing the folded sheet carry it
forward; at the second revolution of cylinder 48 the grippers 49 seize a new folded
sheet, then a third, etc.; when the required number of sheets to be superposed has
been attained the blades 50 move to 50', engaging grooves formed in the cylinder 48,
and detach the set at the same time as grippers 49 rise, and the superposed sheets
descend in front of the flyers 51, which deposit them upon the delivery table.
The second copy printed by the same cylinders and during the same revolution
as the first copy, is folded by the blades 52 and 53, seized by the grippers 54 of
cylinder 55 which collect a given number of the same kind and the set formed is
delivered by the flyers 56 on to a second table.
It will be understood by above description that if in the development of the
printing cylinders there are three different copies, it would only be necessary to cut
three times, to employ three accumulating cylinders collecting copies of the same
kind, and three flyers, in order to deliver to the delivery tables three piles or sets
of printed and folded sheets, cach set being composed of similar copies.
may naturally employ the same method for separating and delivering by the
flyers 51 and 56 a single copy instead of several superposed copies.
I may cause the sheets to have a second or third fold imparted to them if
necessary, before being transmitted to the accumulating cylinder.
For the purpose of accumulating sheets which have been cut beforehand I may
employ the arrangement shown in Fig. 7. The continuous web of paper proceeding
from the printing machine is cut into sheets of the desired dimensions by the
cylinders 57 and 58, which may be both of the same diameter or of different
diameters, and of the same diameter as that of the printing cylinders or a fraction
thereof; each sheet cut by the cylinders 57 and 58 is seized by the grippers 59 of
the cylinder 60; when the number of sheets which are to be superposed by
cylinder 60 is attained, the folding blade forces the set of sheets folded in the
middle between the blades of cylinder 63 and the edge of the groove in the latter.
The cylinder 63 carries the set of folded sheets forward, and afterwards passes
same at 64 either to delivery apparatus or to other folding apparatus.
The fold formed in a set of sheets is produced by the movement of the blades 61
when opposite the blades 62. In order that this movement may take place at the
proper moment, I place on the frame of the machine and in the axis itself of the
cylinder 60, a fixed toothed wheel 65, with which gears a second toothed wheel 66
carried by the cylinder 60 and turning with it; this wheel which gears with the
first one carries a crank pin 67, which by means of a connecting rod is connected
to a crank 68 keyed on the shaft of the blades 61. A cam fixed to the frame

page_text: causes the blade 62 to operate on cach rotation of the cylinder os, out tHIS
can only seize and carry forward the sheets accumulated on cylinder 60, when its*
movement coincides with that of the blade 61; it therefore follows that by varying
the proportion of the gears 65 and 66, I am able to produce the coincidence of
movement of blades 61 and 62, which is to make the fold, at any given number of
revolutions of cylinder 60, which by varying the proportion of the gear wheels 65
and 66 enables me to vary the number of sheets which cylinder 60 is to collect
before they are folded together.
A further improvement applicable to the machine described consists in the
employment of rollers formed of a substance which is of a tacky nature and capable
of collecting dust (or in other words possessing the property which in the French
printing trade is known as amour"), such rollers remaining in continuous contact
with the web of paper with the object of removing therefrom the dust covering
same.
I may apply these rollers in different ways and more particularly as I have shown
in Fig. 8 of the drawings, in which 71 is the reel, 72 a first roller; the paper passes
between the rollers 73 and 74, 75 and 76, then over roller 77, and afterwards in
contact with the rollers 82, 79, 81.
Among the whole of these rollers 72, 73, 74, 75, 76, 77, 79, 81, 82,
may clothe
those that I consider desirable with a substance possessing the property above
indicated and which will take up dust from the paper. Some of them will act on
the front surface, and the others on the rear surface of the paper.
I reserve to myself the right of arranging the rollers so as to be able to change
same with case when they are covered with dust, whereby the machine will always
be provided with rollers capable of removing the dust from the paper.
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. The combination with the cutting apparatus or folding apparatus mounted on
cylinders, of flexible blades fixed to the cylinder away from which the sheet is to
be directed and which by springing outwards throw such sheet in the direction of
the other cylinder.
2. The combination with the cutting apparatus mounted on cylinders, of a blade
fixed to one of the cylinders and entering a groove or recess formed in the other
substantially as and for the purpose specified.
3. In a rotary printing machine, the cutting of a printed web into bands or strips
and superposing such bands or strips, in combination with an accumulating and
folding cylinder capable of collecting a variable number of sheets before folding,
so as to obtain folded copies composed of as many separate sheets as may be
necessary.
4. In a rotary printing machine the combination with a cylinder having grippers
to seize the head of one or of several sheets, of a second cylinder provided with
projections which apply the bead of the sheets to the edge of a groove in the first
cylinder before the grippers are lowered.
5. In a rotary printing machine the combination with the folding cylinders of
several accumulating or simple delivery cylinders which seize the sheets folded by
the folding cylinders, each of the accumulating or delivery cylinders only taking
similar copies, and the number of such cylinders corresponding to the number of
different copies contained in the development of the printing cylinders.
6. The employment on an accumulating cylinder, of a folding blade which causes
the folded paper to engage another cylinder, and which is actuated so that such
engagement is produced after a given number of sheets has been collected, such
movement being produced by a wheel having a crank pin and which gears with a
fixed wheel, the proportion of diameter of such wheels being varied according to
requirements.
7. The employment in printing machines of rollers having the property of

page_text: collecting dust, and which by their contact with the web of paper removed therefrom
the dust which covers same.
Dated 1
1000
ALLISON BROS.,
Agents for the Applicant.