Improvements in or Applicable to Machines for the Preparation of Slivers of Wool for Spinning.
Year: 1897

page_text: Date of Application, 3rd Aug., 1897
Complete Specification Left, 2nd May, 1898-Accepted, 4th June, 1898
PROVISIONAL SPECIFICATION.
Improvements in or Applicable to Machines for the Preparation of
Slivers of Wool for Spinning.
I, GEORGE FREDERICK REDFERN, of the Firm of G. F. Redforn & Co., The
General Patent Office, No. 4, South Street, Finsbury, in the County of London,
Patent Agents, do hereby declare the nature of this invention (a communication
to me by Cesar Jules Payen, of Rocchette, Venetia, in the Kingdom of Italy)
to be as follows:-
My invention relates to a novel arrangement of machine for preparing slivers
of wool for spinning according to the French system of drawing and is applicable
to all the operations of this system, each one of the machines by which these
operations are carried out, being in every way similar to the others and merely
differing in size as the slubbings or rovings are to be made lighter.
The simplicity of my arrangement and the good results that I obtain from it
prove that the large number of machines constituting a set of preparing mechanism
usually employed is neither rational nor necessary. It is a mistake to suppose that
all these machines are indispensable in order to obtain a perfectly regular and
properly prepared roving.
My new machine differs from these hitherto to employed more especially in
that it is provided with a second drawing roller without a porcupine roller preceded
by a trumpet or sliver funnel or other doubling device for uniting the slivers as
they issue already drawn by the first drawing roller and passing, before they
reach the before-named second drawing. roller, over two or more smooth or grooved
rollers which, with their loose pressure rollers, are mounted in adjustable sliding
bearings which allow of their being adjusted according to the length of the fibres
to be operated upon.
An indefinite number of ribbons at the inlet only forms one or two slubbings
or rovings as required, at the outlet of the rubbing leathers or condenser.
Owing to this arrangement, with 5 machines I am able to produce perfect work,
free from any fault as regards regularity. I can obtain from 30 to 40 doublings
according to the number of bobbins at the entrance to the first feeding roller,
and by passing the sliver to a second drawing roller without a porcupine regularity
is ensured because by dispensing with the same I considerably reduce the defects
of cut slivers which are chiefly occasioned by working with a dirty or badly
tended porcupine or by broken or bent pins.
The operation of my apparatus is as follows:—
Several ribbons are introduced, united by two or four sliver funnels, and pass
between a grooved feed roller and its pressure roller thence between a smooth
roller and its pressure roller and pass over a porcupine roller which feeds the
ribbons to the first drawing roller situated below its pressure roller the pressure
of which is variable.
At the outlet of the latter is an assembling trumpet or sliver funnel which
receives the slivers and conducts them to smooth or grooved rollers having movable
bearings and on which are small loose pressure rollers.

page_text: The ribbons thus united and only forming a single sliver pass over to the
second drawing roller which, like the first, has an upper roller the pressure of
which is also variable but with the great difference that it is not fed by a comb;'
afterwards they pass to the rubbing leathers and the slubbing or rovings thus
obtained are wound on to bobbins on a winding apparatus.
The pressure rollers of the drawing rollers are fitted with cleaning brushes.
My drawing apparatus, as already stated, besides possessing the advantages of
giving a better product and effecting a reduction of waste allows of effecting
considerable economy as regards purchasing price, cost of repairs, space required
for the erection of machines and, especially, hand labour since the latter will be
found to be reduced by one half that required for existing machines of the
French system of drawing.
For drawing frames proper the first three sets of rollers are divided into two
in the direction of their axes, but for frames, where thinner slubbings or rovings
have to be operated upon, the rollers are made in one piece.
I can also sometimes dispense with the porcupine roller in front of the first
drawing roller.
Daded thi 2nd
I nouat 1907
G. F. REDFERN & Co.,
4, South Street, Finsbury, London, Agents for the Applicant.
Improvements in or Applicable to Machines for the Preparation of
Slivers of Wool for Spinning.
I, GEORGE FREDERICK REDFERN, of the Firm of G. F. Redforn & Co., The
General Patent Office, No. 4, South Street, Finsbury, in the County of London,
Patent Agents, do hereby declare the nature of this invention (a communication
to me by Cesar Jules Payen, of Rocchette, Venetia, in the Kingdom of Italy)
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 a novel arrangement of machine for preparing slivers
of combed wool or worsted for spinning according to the French system of drawing
and is applicable to all the operations of this system, each one of the machines by
which these operations are carried out, being in every way similar to the others and
merely differing in size as the slubbings or rovings are to be made lighter.
The simplicity of my arrangement and the good results that I obtain from it
prove that the large number of machines constituting a set of preparing mechanism
usually employed is neither rational nor necessary. It is a mistake to suppose that
all these machines are indispensable in order to obtain a perfectly regular and
properly prepared roving.
My new machine differs from those hitherto employed more especially in
that it is provided with a second drawing roller without a porcupine roller preceded
by a trumpet or sliver funnel or other doubling device for uniting the slivers as
they issue already drawn by the first drawing roller and passing, before they
reach the before-named second drawing roller, over two or more smooth or grooved
rollers which, with their loose pressure rollers, are mounted in adjustable sliding
bearings which allow of their being adjusted according to the length of the fibres
to be operated upon.
An indefinite number of ribbons at the inlet only forms one or two slubbings
or rovings as required, at the outlet of the rubbing leathers or condenser.

page_text: Owing to this arrangement, with 5 machines I am able to produce perfect work,
free from any fault as regards regularity. I can obtain from 30 to 40 doublings
according to the number of bobbins at the entrance to the first feeding roller,
and by passing the sliver to a second drawing roller without a porcupine regularity
is ensured because by dispensing with the same I considerably reduce the defects
of cut slivers which are chiefly occasioned by working with a dirty or badly
tended porcupine or by broken or bent pins.
To enable my invention to be fully understood I will describe the same by reference
to the accompanying drawing in which..
Figure 1 is an elevation; and,
Figure 2 is a plan of a machine for preparing slivers of combed wool or worsted
for spinning, arranged according to my invention,
A is the grooved feeding roller and A¹ the corresponding pressure roller; B is
a smooth roller and B' the corresponding pressure roller; C is the porcupine roller,
D the first drawing roller D¹ its pressure roller the pressure of which can be
regulated, and G a cleaning brush for the latter roller, I the rubbing leathers
or condenser and L the winding apparatus all of which parts are usual in hereto-
fore known machines.
E is my additional trumpet or sliver funnel, F, F¹ the smooth or grooved rollers
with adjustable sliding bearings and F", F their respective pressure rollers;
H is the second drawing roller, H¹ its adjustable pressure roller, and G¹ the cleaning
brush of the roller H₁ all of which I combine with the hereinbefore enumerated
usual parts.
The operation of my apparatus is as follows:-
Several ribbons are introduced, united by two or four sliver funnels, and pass
between the grooved feed roller A and its pressure roller A¹ thence between the
smooth roller B and its pressure roller B₁ and pass over the porcupine roller C
which feeds the ribbons to the first drawing roller D situated below its pressure
roller 1 the pressure of which is variable.
At the outlet of the latter is the assembling trumpet or sliver funnel E which
receives the slivers and conducts them to the smooth or grooved rollers F, FI
having movable bearings and above which are located the small loose pressure
rollers F1 and F.
The ribbons thus united and only forming a single sliver pass over to the second
drawing roller H which, like the first, has an upper roller H₁ the pressure of
which is also variable but with the great difference that it is not fed by a
porcupine roller; afterwards they pass to the rubbing leathers I and the slubbing
or rovings thus obtained are wound on to bobbins on the winding apparatus L.
The pressure rollers D¹ and H¹ of the drawing rollers are fitted with the cleaning
brushes G and G₁ respectively.
My drawing apparatus, as already stated, besides possessing the advantages of
giving a better product and effecting a reduction of waste, allows of effecting
considerable economy as regards purchasing price, cost of repairs, space required
for the erection of machines and, more especially, hand labour since the latter will
be found to be reduced by about one half that required for existing machines of the
French system of drawing.
For drawing frames proper the rollers A A¹, B B¹, C, D D¹ are divided into
two in the direction of their axes as illustrated in Figure 2, but for frames,
where thinner slubbings or rovings have to be operated upon, like the frames the
French call "bobinoirs" the rollers are made in one piece.
I sometimes dispense with the porcupine roller in front of the first drawing
roller D.
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:
A machine for the preparation of combed wool or worsted for spinning (drawing

page_text: frame or "bobinoir" frame) characterized by the employment of a second drawing
roller without a porcupine roller, in combination with an ordinary or first drawing
roller, with or without a porcupine roller, whereby. a double drawing is effected
in one and the same machine, substantially as hereinbefore described and illus-
trated in the accompanying drawing.
Doted this 20th day of Anil 1000
G. F. REDFERN & Co.,
4, South Street, Finsbury, London, Agents for the Applicant.