IMPROVEMENTS IN CLEANING APPARATUS FOR CARDING-MACHINES
Year: 1879

page_text: LETTERS PATENT to Patrick O'Halloran, of 124, Ledbury Road, Bayswater, in
the County of Middlesex, Gentleman, for the Invention of "IMPROVEMENTS
IN CLEANING APPARATUS FOR CARDING-MACHINES." A communication from
abroad by Peter Hauser, of Zurich, Switzerland.
Sealed the 19th December 1879, and dated the 27th August 1879.
PROVISIONAL SPECIFICATION left by the said Patrick O'Halloran at the
Office of the Commissioners of Patents on the 27th August 1879.
PATRICK O'HALLORAN, of 124, Ledbury Road, Bayswater, in the County of
Middlesex, Gentleman. "IMPROVEMENTS IN CLEANING APPARATUS FOR CARDING
MACHINES." A communication from abroad by Peter Hauser, of Zurich,
Switzerland.
The object of the Invention is to do away with the necessity of removing the
large drum of a carding-machine, and yet not to interfere with the quality or
purity of the sliver which is delivered from the machine, and thus to economize
labor and reduce also the waste of the machine, because only the impure portions
of the wool or cotton is discharged by the cleaning cylinder leaving the good fibrous
parts to be properly carded; moreover, a greater quantity of carded fibre is obtained
from a given quantity of lap on a given machine, also a greater quantity of sliver
and a greater saving of carding teeth.
The apparatus consists of a large carding drum hung in a frame in the usual
manner, and supplied with fibre by a suitable licker-in; two. may be used, if
preferred, one placed above the other. Below the licker-in is placed the cleaning
drum, which made smaller in diameter than the large drum, and on which the
teeth are placed to incline in the direction of the rotation of the cleaning-drum.
The cleaning drum is covered with a band carrying projecting teeth of angular
form, each tooth being sharply pointed in contradistinction to the ordinary flat
ended teeth, and are preferably triangular in cross section.
The teeth on the ordinary cleaning drum are set further apart than on the carding
drum, but are equally spaced to uniformly cover the surface of the drum, about
one hundred teeth on a piece of strap measuring thirty six by twenty five
millimetres.
The speed of the cleaning drum to main drum should be about one third to one.

page_text: The cleaning drum is placed as close as possible to the large drum, but from the
licker-in it should be about one half to one millimetre distant.
On cards which have but one licker-in the cleaning drum is placed directly
below the same, where there are two lickers-in the cleaning-drum will be below the
lower one.
It will be perceived that the cleaning drum revolves in an opposite direction to
the licker-in which is next it, and also in an opposite direction to the large drum,
and that owing to the position and arrangement of its teeth it is admirably adapted
for the removal from the large drum of the remaining knots which the licker-in
and also the other.. carded.rollers may have left therein. The pointed teeth on the
cleaning-drum offers less resistance to the fibre than the flat ended teeth of the
main drum; therefore the cleaning drum is admirably adapted to and does take
from the large-drum all impurities, but it does not take therefrom the clean fibre
which the flatter teeth of the large drum retains.
Any fibre taken by the cleaning-drum will be restored to the large-drum, whose
teeth will remove it from the cleaning-drum as soon as presented.
The large drum is cleaned from all impurities by the isolated cleaning-drum,
and I do not require any other stripper drum wherewith to take the fibre from the
cleaning drum.
Having described my Invention,, what I claim is, the combination of the main-
carding with the isolated and continuously-revolving cleaning drum, which is set
with elongated teeth having tapering pointed ends, said teeth, being inclined in the
direction of their rotation and adapted to remove impurities and fibres from, and
thereupon to restore the fibres but not the impurities to the main-dŕuin, substan-
tially as set forth.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said Patrick O'Halloran in the Great Seal Patent Office on the 27th
February 1880.
PATRICK O'HALLORAN, of One hundred twenty four, Ledbury Road, Bayswater,.
in the County of Middlesex. "IMPROVEMENTS IN CLEANING APPARATUS FOR CARDING
MACHINES." A communication from Peter Hauser, of Zurich, Switzerland.
The Invention relates to Improvements in Cleaning Apparatus for Carding
Machines. For the better explanation and illustration of my said Invention Ĭ
refer to the Drawings hereunto attached. Figure I. is a top view of my improved
carding machine; Figure II. is a vertical transverse section of the same; and
Figure III. a detail cross section on an enlarged scale of the cleaning cylinder, part
thereof being broken away. Similar letters of reference indicate corresponding
parts in all the Figures.
The object of this Invention is to do away with the necessity of removing the
large drum of a carding machine, and yet not interfere with the quality or purity
of the sliver which is delivered from the machine, and thus to economize labour and
reduce also the waste of the machine, because I only cause the impure portions of
the wool or cotton to be discharged by the cleaning cylinder, leaving the good
fibrous parts to be properly carded. I moreover obtain a greater quantity of carded
fibre from a given quantity of lap on a given machine, a greater quantity of sliver,
and a greater saving of carding teeth.
My improved apparatus consists of a large carding drum A hung in the frame B
in the usual manner, and supplied with the fiber by a suitable licker-in C. But
one such licker is in show, but two may be used, one above the other: Below the
licker is placed the cleaning drum D, which is much smaller in diameter than the
large drum A, as indicated, and on which the teeth are placed to incline in the
direction of the rotation of the cleaning drum D, as clearly shown in Figures II.
and III.
The cleaning drum is covered with a band carrying projecting teeth a, a, of
angular form, each tooth being sharply pointed in contradistinction to the ordinary
flat ended teeth, and preferably triangular in cross section.
The teeth on the cleaning drum are set farther apart than on the carding drum,
but are equally spaced to uniformly cover the surface of the drum. The fact being
that there should on the cleaning drum be about one hundred teeth on a piece of
strap measuring thirty six by twenty five millimetres. The rapidity of motion of
the cleaning drum to the main drum should be as I., III. to I. The structure of the
carding teeth of the large drum A and of the licker in, and also the rapidity of
their rotation, can be as usual, but the construction of the teeth and the relative
rapidity of the cleaning drum D should be as above stated. The cleaning drum D
is to be placed as closely as possible to the large drum A, yet without touching the
same; but from the licker in C it should be, say, one half to one millimeter distant.
On cards which have but one licker, as in the Drawings, the cleaning drum D is
placed directly below the same, as indicated. Where there are two lickers in the
cleaning drum will be below the lower. It will be perceived that the cleaning
drum D revolves in opposite direction to the licker in C, which is next it, and also
in opposite direction to the large drum A, and that owing to the position and
arrangement of its teeth it is admirably adapted for the removal from the large
drum of the remaining knots which the licker in and also the other carded rollers
may have left therein.
The pointed teeth on the cleaning drum will serve to offer
less resistance to the fiber than the flat ended teeth of the main drum, therefore the
cleaning drum is admirably adapted to and does take therefrom the clean fiber
which the large drum has flatter teeth to retain. Any fiber taken by the cleaning
drum will be restored to the large drum, whose teeth will remove it from the

page_text: cleaning drum as soon as presented. I therefore clean the large drum of impurities
by the isolated cleaning drum, and do not require any other or stripper drum where-
with to take the fiber from the cleaning drum. I am aware that the cleaning
drum having flat ended teeth and in contact with the main drum and with a
stripper 'drum has already been used. This I do not claim. I am also aware that
it is not new to place a fancy roller close to the main drum of a carding machine,
the teeth of such fancy roller being inclined opposite to their plane of rotation.
Such an arrangement of fancy roller I do not claim, nor do I claim any arrange-
ment by which the fiber is merely adjusted in the drum, but not taken away there-
from, and then restored, but I do claim the combination of the main carding drum
A with the isolated and continuously revolving cleaning drum D, which is set
with elongated teeth having tapering pointed ends, said teeth being inclined in the
direction of their rotation and adapted to remove impurities and fibres from; and
thereupon to restore the fibres but not the impurities to the main drum, substan-
tially as specified.
In witness whereof, I, the said Patrick O'Halloran, have hereunto set my
hand and seal, this Twenty sixth day of February, in the year of our Lord
One thousand eight hundred and eighty.
PATRICK O'HALLORAN. (L.S.)