Improvements in Apparatus for Producing Lettering, Figuring, and Designs in Relief upon Sheets of Ductile Metal.
Year: 1891

page_text: Date of Application, 5th Nov., 1891
Complete Specification Left, 4th Aug., 1892-Accepted, 10th Sept., 1892
PROVISIONAL SPECIFICATION.
Improvements in Apparatus for Producing Lettering, Figuring, and
Designs in Relief upon Sheets of Ductile Metal.
We JOHN MORRIS NEWTON of Stalybridge, in the County of Chester,
Mechanical Engineer, and JOHN EDWARD GIMSON of Stalybridge, aforesaid,
Mechanical Engineer, do hereby declare the nature of this invention to be as
follows:-
This invention relates to improvements upon that described in the Specification
of Letters Patent No. 5187 of 1888, granted unto the said John Morris Newton,
and is designed with the object of more readily adjusting the dies to the periphery
of the rolls upon which they are carried, and of more easily constructing the dies so
as to be true and interchangeable upon the rolls.
In carrying out the invention, the rolls which carry the dies are mounted upon
shafts journalled in bearings in a suitable frame or housing, the rolls being geared
together and the dies carried on the peripheries of the rolls as previously
described.
The top and bottom rolls are similar in construction, and are preferably con-
structed to receive two rings or sets of dies side by side. Each roll is formed with
a ring or abutment in the centre-if for two rings or sets of dies only-with a
bevelled face on each side, against which one end of each die fits. On each end of
the roll is a securing ring or cover which fits over the end like a cap, the inner face
being bevelled to engage with the ends of the dies. The securing rings are
attached to the rolls by the clamping screws by which they can be tightly screwed
up against the dies which are thus firmly secured when in position.
On the periphery of each of the securing rings is formed a recess wide enough to
allow the dies to enter. Through this recess the dies are inserted one at a time
into position on the periphery of the roll. The recess is filled when the required
number of dies have been inserted with a loose key segment bevelled on the front.
face to correspond with the bevel on the inner face of the ring and formed at the
back with a narrow shoulder by which it is secured when the ring is screwed up
tight. The rolls are keyed or otherwise firmly secured to the shaft, and the rings
are loose thereon.
The rolls may be made to carry only a single set of dies by forming them with a
fixed ring at one end and a movable ring at the other, or to carry more than two
sets of dies by providing one or more loose distance rings-similar to the fixed ring
but loose on the roll --which could be placed between the ends of the dies.
The dies are made by being cast in the form of a cylinder and bored out
internally to the diameter of the roll upon which they are to be placed, and then
cut up into separate pieces of the required number. The ends of the dies are each
made bevelled, broader at the bottom than the top, to fit into a dovetail groove
formed by the fixed ring or abutment and the loose cap or ring by which they are
secured in position on the periphery of the rolls.
The dies may be cast steel or iron, or any other suitable metal and when bored
the letters or figures which have been cast thereon may be finished by a graving
tool or if desired, the letter figure or design may be engraved upon the die after it
has been cast.
Dated this 4th day of November 1891.

page_text: COMPLETE SPECIFICATION.
Improvements in Apparatus for Producing Lettering, Figuring, and
Designs in Relief upon Sheets of Ductile Metal.
We, JOHN MORRIS NEWTON, of Stalybridge, in the County of Chester,
Mechanical Engineer, and JOHN EDWARD GIMSON, of Stalybridge, aforesaid,
Mechanical 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 :-
This invention relates to apparatus whereby lettering figuring and designs in
relief upon sheets of ductile metal for the purpose of nomenclature plates tablets or
the like are produced by rolling the sheets between rolls carrying dies on their
peripheries.
Such plates or tablets may be used as tradesmen's shop signs, street name tablets,
name plates for railway stations, plates for warehouse or office doors, or for
advertising or other purposes.
This invention is designed with the object of more readily adjusting the dies to
the periphery of the rolls upon which they are carried and of more easily con-
structing the dies to be true and interchangeable upon the rolls.
It consists essentially in constructing the movable dies upon which the letter or
design is cut or engraved each in the form of a segment cut from a cylinder and
forming the rolls with adjustable securing rings fitting on to the ends and clamped
in position by screws by which the segmental dies are secured in position on the
periphery of the roll.
The invention will be fully described with reference to the annexed drawings:-
Fig. 1, is a front elevation.
Fig. 2, transverse sectional elevation.
Fig. 3, longitudinal section of one roll with one ring of dies in position.
Fig. 4, end elevation of ring for securing the dies in position.
Fig. 5, extended plan of male dies for the name "Newton's Patent."
The framing or housing A and the bearings which support the rolls may be of
any ordinary construction. The rolls D and E which carry the dies upon their
peripheries are geared together by toothed wheels C and the dies H are fixed or
attached to the rolls with the back of each resting upon the periphery of its roll.
The lettering or figuring or design upon the face of the dies H may be of any
convenient size according to what is required to be produced. The dies H are
each separate and are movable and readily interchangeable so that any com-
bination of them to produce a given word or name may be quickly assembled in
position.
The dies H are preferably made by being cast in the form of a cylinder and
bored out internally to the diameter of the roll upon which they are to be placed
and then cut up into separate pieces of the required number, the letter or design
being subsequently engraved upon them. Or the cylinder may be cast in chills
with the letter or design cast at the same time. Or a ring or cylinder may be
forged out of wrought iron and after being turned and bored and cut into segments
the letter or design engraved thereon.
The ends of the dies H are each made bevelled broader at the bottom than the
top to fit into a dovetail groove by which they are secured in position on the
periphery of the rolls.
The top and bottom rolls D and E are similar in construction and are preferably
constructed to receive two rings or sets of, dies side by side. Each roll is formed
with a loose spacing ring or a fixed abutment e in the centre with a bevelled face
on each side against which one end of each die fits. On each end of the roll is a

page_text: securing ring or cover F which fits over the end like a cap the inner face being
bevelled to engage with the ends of the dies. The securing rings F are attached
to the roll by the clamping screws f by which they can be tightly screwed up
against the dies and thus be firmly secured when in position.
In the face of each of the securing rings F is formed a recess f¹ wide enough to
allow the largest of the dies H to enter, through which the dies are inserted one at
a time into position on the periphery of the roll. The recess f¹ is filled when the
required number of dies have been inserted with a loose key segment. H¹ bevelled
on the front face to correspond with the bevel on the face of the ring F and formed
at the back with a narrow shoulder by which it is secured when the ring F is
screwed up tight. The rolls are keyed or otherwise firmly secured to the shaft G
and the rings F are loose thereon. The top roll is raised or lowered and set to
any required distance from the bottom roll by the vertical adjusting screws and
hand wheels o.
It will be obvious that the rolls may be made to carry only a single set of dies
by forming them with a fixed ring at one end and a movable ring at the other or
to carry more than two sets of dies by providing one or more loose spacing rings-
similar to the fixed ring e but loose on the roll-which could be placed between the
ends of the dies.
It will be obvious that the rolls may be made with a number of flats or sides, one
for each die to rest upon instead of cylindrical in which case the back of the dies
would be flat instead of curved and the face of the dies curved to such arc as to
complete a given circle when all are in position.
Where it is desired to use small letters in conjunction with large ones the small
letter dies may be placed or clamped in a holder or box similar to what is known
in the printing trade as a "fudge box." This holder will be formed as the large
letter dies are, to conform to the periphery of the rolls and will be placed at the
side of the dies and be clamped and held in position by the same clamping rings by
which they are secured.
The plates to receive the impressions are fed between the rolls either in a hot or
cold state.
At the back and front of the rolls guide rollers S or other guides may be placed
to give proper direction to the sheets or strips in passing in and out of the rolls and
to prevent them buckling or curling. The guide rollers at the delivery side of the
rolls are preferably made to grip the edge of the plate as it passes out so as not to
press or flatten the lettering which has been impressed upon it.
Such guide rollers may have an intermittent movement imparted to them for
feeding forward the plates the movement each time being sufficient to feed a single
plate the feed being then stopped until the rolls have completed a revolution when
another plate is fed forward.
Single letters may be formed by cutting up the sheets by a shearing or other
machine after they have been rolled.
Having now particularly described and ascertained the nature of the said inven-
tion, and in what manner the same is to be performed, we declare that what we
claim is :-
1. In apparatus for producing by rolling lettering figuring and designs in relief
upon sheets of ductile metal the dies constructed each in the form of a segment cut
from a cylinder to be placed and secured on the periphery of the rolls substantially
as described.
2. Apparatus for producing lettering figuring and designs in relief upon sheets of
ductile metal constructed with rolls to receive the dies on their peripheries, cap
shaped clamping rings provided with bevelled faces to fit over the ends of the rolls
to secure the dies and letter dies provided with bevelled ends which rest upon the
periphery of the rolls and between the securing rings substantially as described.
3. Apparatus for producing lettering figuring and designs in relief upon sheets of

page_text: ductile metal with the several parts constructed and arranged substantially as
described and shown.
Dated this 3rd day of August 1892.
WM. P. THOMPSON & Co.,
Manchester, Liverpool, and London, Patent Agents.