Improvements in Rubbers for Carding Engine Condensers.
Year: 1893

page_text: Date of Application, 10th Nov., 1893
Complete Specification Left, 17th July, 1894-Accepted, 18th Aug., 1894
PROVISIONAL SPECIFICATION.
Improvements in Rubbers for Carding Engine Condensers.
I, ARTHUR HARDWICK of Mount Terrace, Heckmondwike in the County of
York, Overlooker, do hereby declare the nature of this invention to be as
follows:-
:-
This invention relates to improvements in the rubbers of condensers for carding
engines, the object being to make such rubbers of uniform thickness, and practically
of uniform texture, and seamless throughout, also more durable and effective than
heretofore and the invention consists in constructing rubbers wherein the leather of
various textures (which variations occurs in all hides) blended or distributed so as
to produce a rubber even in all respects throughout.
According to this invention I employ strips of leather which are cemented or
glued together at the ends so as to form one long or continuous strip. A series of
strips of leather are laid nearly together and parallel to one another, and over these
strips and at right angles thereto, the long strip is laid or wound and cemented or
glued thereon, so that the rubber consists of a series of internal strips, surrounded
by practically one long strip wound round and round, and the joints of the long
strip when the rubber is completed are not lineable across the rubber consequently
the latter is practically seamless.
The long strip may be laid or wound on the strips so that the edges of the
long strip are alongside one another, or they may be at a short distance apart
so that the rubber when completed has grooves or lines in it in the direction in
which the rubber travels.
Dated this 8th day of November 1892
WALTER BRIERLEY,
Penny Bank Chambers, Halifax, Agent for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Rubbers for Carding Engine Condensers.
I, ARTHUR HARDWICK of Mount Terrace, Heckmondwike in the County of
York, Overlooker, 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 an improvement in the rubbers of carding engine
condensers, the object being to produce a rubber of uniform thickness practically
of uniform texture and seamless throughout the improved rubber being more
effective and durable than those heretofore produced my end being attained by
constructing a rubber in which the leather of various textures (which variation
occur in all hides) is blended or distributed so as to produce a rubber even in all
respects throughout.
In carrying out my invention I employ strips of leather which are cemented or
glued together at the ends so as to form a long or continuous strip and a series of
narrow strips which are laid nearly together and parallel to one another. Over
these narrow strips and at right angles thereto the long strip is laid or wound
and cemented or glued thereon so that the rubber consists of a series of internal

page_text: strips surrounded by practically one long strip wound round and round the joints
of the long strip when the rubber is completed not being in line across the rubber
so that the latter is practically seamless.
The long strip may be laid or wound on the strips so that the edges of the
long strip are touching one another or they may be at a short distance apart so
that the rubber when completed has grooves spaces or lines in it the direction in
which it travels and these grooves as well as the grooves between the narrow strips
if any are left, may if desired be filled or partially filled with yarn string or
like material to render the rubber more pliable by preventing the spaces becoming
filled with dirt.
I have illustrated in the accompanying drawings a portion of my improved
rubber and also for the sake of rendering my invention clear and enabling it to be
carried out machinery which I have found suitable for producing same.
Such being the nature and object of my said invention the following is a
complete description of same reference being had to the accompanying drawings
in which :-
Fig. 1 is view of a portion of one form of my improved rubber looking at the
working face, parts being removed, and broken away to shew its construction.
Fig. 2 is an edge view of same.
Fig. 3 is a side elevation of the machine.
Fig. 4 is an end elevation of same and
Fig. 5 is an end view of the drum of same on an enlarged scale.
The construction of the rubber illustrated in Figs. 1 and 2 will be best
explained by describing the machinery by which it is made and the process of
production.
The machine it will be seen consists of a framework 1 supporting a main cylinder
or drum the outer shell 2 of which may be of wood. Upon this drum narrow
strips 3 of leather are laid longitudinally and are temporarily fixed thereon by pins
or nails 4 such nails or pins being preferably without heads so that the strips 3 can
be pulled off when the rubber is completed.
A long strip of leather 5 composed of a series of shorter strips cemented end to
end of one another is passed over the roller 6 and between it and a pressing roller 7
thence around the roller 8 at the back of the machine and to the cylinder or drum 2
the end of the strip 5 being secured to the cylinder or drum and above the narrow
strips of leather 3. The cylinder or drum is now revolved by turning the handle 9
which through the train of wheels 10, 11, 12, 13, 14, 15 gives the required motion
to the shaft 16 of the cylinder or drum and also the screwed shaft 11 which
extends across the machine beneath the cylinder or drum 1. On the shatt 11A is
a screwed block or carriage having a guide eye 17 through which the strip 5 is
passed so that as the cylinder revolves the carriage and guide eye travels along
the screwed shaft 11 and the strip 5 is thereby laid evenly and spirally around
the cylinder 1 and over the strips 3 at about right angles thereto.
Before laying the strip 5 over the strips 3 the latter are covered with cement
or glue so that the strips 3 and 5 are cemented together.
When the cement or glue has set, the drum or cylinder 1 is removed from the
mach.ne and collapsed or rendered of slightly less diameter by turning the
screws 18 on the ends of same as shewn in Fig. 5 such screws causing the parts 2
of the drum to approach each other slightly so that the combined strips 3 and 5
forming the complete rubber can be drawn off the end of the drum or cylinder 1
after which the outer edges of the endless rubber are trimmed or cut straight and it
is ready for use. The long strip 5 forms the working face of the rubber such
rubber travelling when in use in the direction of the arrow Fig. 1 that is in the
direction of the lines of same.
When yarn or string as 34, 54, Figs. 1 and 2 is laid between the strips 3, 5 the
yarn or string 5* is passed through the eye 17 of the carriage together with the
strip 5, the yarn or string 34 being previously laid on the cylinder between
the strips 3 and slightly cemented if required to cause it to adhere to them.

page_text: By the strip 5 passing under the pressure roller 7 (which latter may be weighted
by a spring or otherwise) the necessary tension can be put upon the strip as it
passes through the machine.
It will be evident that my improved rubber may be prepared by machines
varying in construction from that above described.
Instead of the long or outside strip 5 being continuous in its length it may be
laid in lengths or rings around the inner strips 3 so as to form a succession of
parallel strips or rings each one of which extend once only round the cylinder or
drum but the joints of the several strips are not in line.
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 :-
A rubber for carding engine condenser consisting of a series of strips laid
parallel to one another, and a second long or condenser strip laid on and cemented
at approximately right angles to the former with or without string, yarn, or thread
between one or both sets of strips as herein fully described and as illustrated by
Figs. 1 and 2 of the accompanying drawings.
T
1004
ARTHUR HARDWICK,
By his Agent, Walter Brierley,
Penny Bank Chambers, Halifax.
ARTHUR HARDWICK,
By his Agent, Walter Brierley,
Penny Bank Chambers, Halifax.