Improvements in and connected with Carding Machines.
Year: 1895

page_text: Date of Application, 24th Oct., 1895
Complete Specification Left. 24th July. 1896-Accepted. 29th Aug., 1996
Date of Application, OTL OUL., 1990
Complete Specification Left. 24th July. 1896-Accepted. 29th Aug., 1996
PROVISIONAL SPECIFICATION.
Improvements in and connected with Carding Machines.
I, ALEXANDRE VINCHON, Manager of La Société du Peignage de l'Epeule, of
Roubaix, (Department du Nord) in the Republic of France, Manufacturer, do
hereby declare the nature of this invention to be as follows:-
:-
This invention relates to improvements in and connected with carding engines.
It has hitherto been customary in all carding engines to clean the wool on the
picker roller (roule-ta-bosse) or on the adjacent rollers which are furnished with
teeth. By this method, however, only an imperfect result is obtained for two
reasons, firstly, because the wool is very slightly divided on the said picker roller
which forms the first drawing roller of the carding machine and because it is
there entangled by large fibres so that the burs and other impurities remain hidden
and retained in the wool, whereby the pickers are unable to seize and remove them
and, secondly, because the roller has a very rough surface on which the picker can
never obtain a hold on the burs and other impurities to remove them.
To overcome these two defects I provide on the carding machine, directly after
the picker roller, a cleaning arrangement the chief feature of which is a roller on
the periphery of which are arranged strips provided longitudinally with serrations
or teeth and having a smooth part immediately behind the toothed portion, the
said smooth part being arranged transversely on the roller. The roller seizes the
wool which is suitably fed to it, draws it and fixes it in the teeth of its combs.
The fibres open out thereby exposing the burs and other impurities which one or
more pickers easily remove without injury to the fibre.
The same device can be employed with double carding engines, in which case
two such devices are used, that is to say, the wool is subjected to the action of
my device once after the picker-cylinder and once after passing the first doffing
cylinder, after which it is conducted to the second main carding cylinder.
The use of my device in combination with a carding engine produces a carded
wool which is perfectly cleaned and which after combing forms a material much
cleaner than that produced with machines at present in use.
In carrying out my invention the wool is spread on an endless band or carrier,
seized by two pairs of feed-rollers and fed to the picker cylinder which draws it
out, and enables the first picker to remove the larger burs and other impurities.
The wool then passes to my device which comprises the before mentioned toothed
roller and, between this roller and the picker cylinder, a brush and a carding
roller.
The brush and the carding roller both have the same circumferential velocity
which is greater than that of the picker cylinder whereby they detach the wool
from the latter and maintain it between them whilst the toothed roller which has a
circumferential velocity greater than that of the brush and carding roller seizes
the wool, draws it and fixes it in the teeth of the strips in such a way that the
fibres spread themselves out on the smooth parts of the said roller adjacent to the
teeth, whereby the burs and other impurities are forced to the top and can be easily
removed by pickers and thrown into a suitable receptacle.
The wool is then removed from the toothed roller by an ordinary roller which
passes it to the main carding cylinder from which it is conducted' to the doffing

page_text: As above mentioned the arrangement of the toothed roller, brush and carding
roller can be used with double carding engines, in which case the two devices are
similar to one another.
The arrangement of the brush and carding roller, which serve for detaching the
wool from the picker roller and also as the feed rollers for the toothed roller, may
have a different construction from that above described; for instance, instead of
the brush and the roller I could employ two rollers provided with card clothing.
The strips of the toothed roller should have their smooth portions arranged
transversely to the same to permit the wool to spread itself properly and to force
the burs and other impurities to come to the surface of the wool so as to be removed
by the pickers, but it suffices that these strips be smooth in the direction of the
movement of the said pickers, that is to say, transversely of the roller.
In a modified construction of the toothed strips I form the teeth on the latter,
raised so as to leave a cavity between adjacent teeth. The strips are in this case
so arranged on the roller that a tooth on one strip is opposite a cavity on the
next strip.
In another modified form of toothed roller I form longitudinal grooves on the
latter in which are fixed bars the surface of which is flush with that of the roller
but which have a less width. than the grooves. In these bars teeth are inserted
which fulfil the rôle of the teeth in the preceding. modifications.
Dated this 24th day of October 1895
G. F. REDFERN & Co.,
4, South Street, Finsbury, London, Agents for the Applicant.
1, ALEXANDRE VINCHON, Manager of La Société du Peignage de l'Epeule, of
Roubaix, (Department du Nord) in the Republic of France, Manufacturer, 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 improvements in and connected with carding engines.
It has hitherto been customary in all carding engines to clean the wool on the
picker roller (roule-ta-bosse) or on the adjacent rollers which are furnished with
teeth. By this method, however, only an imperfect result is obtained for two
reasons, firstly, because the wool is very slightly divided on the said picker roller
which forms the first drawing roller of the carding engine and because it is there
entangled by large fibres so that the burs and other impurities remain hidden and
retained in the wool, whereby, the pickers are unable to seize and remove them and,
secondly, because the roller has a very rough surface on which the picker can never
obtain a hold on the burs and other impurities to remove them.
To overcome these two defects I provide on the carding engine, directly after the
picker roller, a cleaning arrangement the chief feature of which is a roller on the
periphery of which are arranged strips provided longitudinally with serrations or
teeth and having a smooth part immediately behind the toothed portion, the said
smooth part being arranged transversely on the roller. The roller seizes the 'wool,
which is suitably fed to it, draws it and fixes it in the teeth of its combs. The
fibres open out thereby exposing the burs and other impurities which one or more
pickers easily remove without injury to the fibre.
The same device can be employed with double carding engines, in which case two
such devices are used, that is to say, the wool is subjected to the action of my
device once after the picker-cylinder and once after passing the first doffing cylinder,
after which it is conducted to the second main carding cylinder.

page_text: The use of my device in combination with a carding engine produces a carded
wool which is perfectly cleaned and which after combing forms a material much
cleaner than that produced with machines at present in use.
To enable my invention to be fully understood I will describe it by reference
to the accompanying drawing, in which :-
Figure 1 is a section of a portion of my cleaning device:
Figure 2 is an elevation of a portion of the periphery of the same shewing the
arrangement of the longitudinal toothed strips.
Figure 3 is a diagrammatic view representing the application of my device to a
simple carding engine:
Figure 4 is a similar view shewing the application of my device to a double
carding engine:
Figures 5 and 6 are a section and a front elevation respectively of a modified
form of toothed strip and roller:
Figure 7 shews similar views of a further modification of the toothed strip and
roller:
Figure 8 represents views similar to Figure 7 of another modification:
Figure 9 is a view of details:
Figure 10 is a diagrammatic view illustrating the application to my cleaning
roller of a fixed metal strip in combination with a brush.
In carrying out my invention the wool is spread on an endless band or carrier a
seized by two pairs of feed-rollers b, b' and fed to the picker cylinder e which draws
it out, and enables the first picker to remove the larger burs and other impurities.
The wool then passes to my device which comprises the toothed roller d and,
between this roller and the picker cylinder c, a brush fand a carding roller g.
The brush and the carding roller g both have the same circumferential velocity
which is greater than that of the picker cylinder c whereby they detach the wool
from the latter and maintain it between them whilst the toothed roller d which has
a circumferential velocity greater than that of the brush f and carding roller g
seizes the wool, draws it and fixes it in the teeth j of the strips l.in such a way
that the fibres spread themselves out on the smooth parts of the said roller adjacent
to the teeth, whereby the burs and other impurities are forced to the top and can
be easily removed by pickers m and thrown into a suitable receptacle n.
The wool is then removed from the toothed roller d by an ordinary roller p which
passes it to the main carding cylinder T.
Figure 4 shews the application of my invention to a double carding engine. In
this case the wool is removed from the doffing cylinder q by a brush f¹ and a
carding roller g³ similar to f and g and is then passed to the second toothed roller d¹
where it is operated on by one or more pickers m'. The roller p' then removes the
wool from the toothed roller d' and delivers it, quite cleaned, to the second inain
carding cylinder T¹.
By this means a perfect result is obtained although the employment of my device
before the first main carding cylinder is sufficient in most cases.
The arrangement of the brush and carding roller g, which serve for detaching
the wool from the picker roller c and also as the feed rollers for the toothed
roller d, may have a different construction from that above described; for instance,
instead of the brush fand the roller g I could employ two rollers provided with card
clothing.
The toothed strips which form the surface of the cleaning roller d have for object
to seize the wool in their teeth and draw it into a thin layer, forcing the fibres
to open out whereby the burs are caused to appear on the surface of the said layer..
The pickers m the axes of which are parallel to that of the roller d can then easily
seize the said burs and eject them.
With the strips d completely smooth behind their teeth as shewn in Figures 1, 2, 8
and 9 the work is satisfactorily carried out; but it will be understood that if these
strips were grooved or channelled longitudinally that is to say, parallel with the axis
of the roller the fibres of wool would be drawn with greater difficulty and on the.

page_text: other hand the edges of the grooves or channels would protect the burs from the
pickers; the work would therefore be defective. Nevertheless satisfactory work
can be done without having entirely smooth strips; as in the case where the grooves
or channels are transverse, that is to say, in planes normal to the axis of the roller.
In this case between each channel is a plain or smooth part over which the wool is
drawn and upon which the picker acts; a few burs may become lodged in the
channels, but the slightest action of the picker will expel them as the edges of the
channels do not offer any obstruction to their ejection.
Figures 5 to 7 of the drawings represent two arrangements with the strips
provided with channels at right angles to the axis of the roller.
In the construction of the toothed strips shewn in Figures 5 and 6 I form the
teeth s, on each strip r, raised so as to leave a cavity between adjacent teeth.
The strips are in this case so arranged on the roller that a tooth on one strip
opposite a cavity on the next strip 7.
is
In Figure 7 the roller d is shewn provided with longitudinal grooves tin which
are fixed bars v the surface of which is flush with that of the roller but which have
a less width than the grooves. In these bars v teeth are inserted which fulfil the
rôle of the teeth in the preceding modifications.
+
In the various arrangements above described, the longitudinal strips forming
the peripheral surface of the toothed roller are only provided with teeth on
one edge.
With this construction, therefore, spaces are left between the successive strips,
the said spaces being formed by the space left between the consecutive teeth of
each strip and the edge of the strip next it. To obviate this disadvantage, the
spaces between the teeth of each strip are filled up as follows, that is to say,
the back and the front of each strip are as shewn in Figures 8 and 9, provided
with teeth or serrations in such a manner that the teeth 1 on the rear edge of
one strip lie between the teeth 2 on the front edge of the adjacent strip, the teeth
of the two edges leaving between them a play or space of from seven to eight tenths
of a millimetre.
The front of the strips, that is to say, the front edge having regard to the
direction in which the roller rotates, is beveled or chamfered on its lower surface
so that the teeth formed on this edge seize the wool and comb it.
The rear edge of each strip is, on the contrary, left of the full thickness, so that
the teeth formed on the said edge do not interfere with the work in any way as they
can neither seize nor retain the wool.
Figure 10 is a diagrammatic sectional elevation of my cleaning device combined
with a fixed strip 4 and a brush 5 for detaching the burs. The strip 4 and the
brush 5 are designed to replace the picker m shewn in Figure 3. The said strip 4,
which is about two millimetres in thickness, is attached to a support or ribbed
crosspiece 6 so as to impart the necessary stiffness to it. The crosspiece or
support 6 is placed and fixed upon the outside supports of the roller d'and the
strip 4 is arranged parallel to the generatrix of this roller so that it can be adjusted
as near as possible to the outer surface of the same.
If desired, the strip 4 can be arranged with its plane forming a tangent or secant
to the outer surface of the roller d. It will be obvious that the roller when rotating
in the direction of the arrow 7 Figure 10, causes the strip 4 to arrest the burs and
other impurities which are then removed by the brush 5.
It will also be obvious that my device can be applied to all types of carding
engines, both after the picker roller and doffing cylinder, or after the picker
roller alone, or even after the doffing cylinder alone as above described.
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. In a carding engine the employment, either between the picker roller and the
first carding cylinder, or after the first doffing cylinder or after the picker roller and

page_text: the first doffing cylinder, of a cleaning device the peripheral surface of which is
formed of toothed strips or combs a part of the surface of which is smooth in
the direction in which the wool moves and of a suitable arrangement for removing
the burs or other impurities from the surface of the wool on the cleaning device
substantially as described.
2. In a carding engine of the kind described in Claim 1 a cleaning roller the
outer surface or periphery of which is formed of a series of strips provided with
teeth on
one side only and arranged in such a manner that the teeth are
perpendicular to grooves in the roller and so that the smooth portions of the said.
strips form a level peripheral surface to the roller substantially as described.
3. In a carding engine of the kind described in Claim 1 a cleaning roller the
surface of which is formed of strips grooved or channelled transversely in such a
manner that the teeth of one strip are opposite to the spaces between the teeth of
the next substantially as described.
4. In a carding engine of the kind described in Claim 1 a cleaning roller in
which the combs are formed by bars placed in longitudinal grooves in the roller,
the said bars being provided with teeth so as to form combs substantially as
described.
5. In a carding engine of the kind described in Claim 1 a cleaning roller in
which the strips or combs forming its outer surface are composed of a central
smooth part and of toothed ends or edges in such a manner that when the strips are
in position on the roller the teeth of the rear end or edge of one strip enter the
spaces between the teeth of the front end or edge of the adjacent strip substantially
as, and for the purpose, described.
6. In a carding engine of the kind described in Claim 1 the combination with a
cleaning roller, the cylindrical surface of which is formed of toothed strips, of one
or more pickers arranged around the periphery of the roller and designed to
remove the burs which rise to the surface of the wool substantially as described.
7. In a carding engine of the kind described in Claim 1 the combination with a
cleaning roller, the cylindrical surface of which is formed of toothed strips, of a
longitudinal fixed strip suitably inclined and of an ordinary brush for arresting and
removing the burs and other impurities substantially as described.
Dated the 24th day of July 1896.
G. F. REDFERN & Co.,
4, South Street, Finsbury, London, Agents for the Applicant.